Werner Herz
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(Suggest an Edit or Addition)Werner Herz's Published Works
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Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Progress in the Chemistry of Organic Natural Products (1979) (223)
- Ivalin, a New Sesquiterpene Lactone1 (1962) (125)
- Sesquiterpene lactones of Tithonia diversifolia. Stereochemistry of the tagitinins and related compounds (1979) (108)
- The Structures of Parthenin and Ambrosin (1962) (77)
- New furanoid ent-clerodanes from Baccharis tricuneata (1978) (71)
- New ent-clerodane-type diterpenoids from Baccharis trimera. (1977) (67)
- Oxidative rearrangements of tertiary and some secondary allylic alcohols with chromium vi reagents a new method for 1 3 functional group transposition and forming mixed aldol products (1977) (65)
- Cytotoxic activity of lupane-type triterpenes from Glochidion sphaerogynum and Glochidion eriocarpum two of which induce apoptosis. (2005) (65)
- New prenylated isoflavones and a prenylated dihydroflavonol from Millettia pachycarpa (1980) (62)
- Goyazensolide, a schistosomicidal heliangolide from Eremanthus goyazensis (1976) (62)
- Constituents of Helenium Species. XIII. The Structure of Helenalin and Mexicanin A (1963) (61)
- Protoberberine alkaloids from Coscinium fenestratum (1992) (61)
- The Preparation of Some Monosubstituted Derivatives of Pyrrole by the Mannich Reaction (1947) (59)
- Composition and antimicrobial activity of the essential oil of Achillea falcata L. (Asteraceae) (2005) (57)
- A linear sesterterpene, two squalene derivatives and two peptide derivatives from Croton hieronymi. (2003) (57)
- Ent-kauranes and other constituents of three Helianthus species (1983) (56)
- Structure elucidation of sesquiterpene dilactones from Mikania scandens (L.) Willd. (1970) (55)
- Sesquiterpene lactones and other constituents from Eremanthus seidelii, E. Goyazensis and Vanillosmopsis erythropappa (1989) (54)
- Acanthospermal A and acanthospermal B, two new melampolides from Acanthospermum species (1975) (53)
- New hydroxylated ent-kauranoic acids from Eupatorium album. (1976) (50)
- Stereochemistry of strictic acid and related furano-diterpenes from conyza japonica and grangea maderaspatana (1984) (49)
- Biogenetic Aspects of Sesquiterpene Lactone Chemistry (1977) (49)
- Coumarins of Artemisia dracunculoides and 3′,6-dimethoxy-4′,5,7-trihydroxyflavone in A. arctica (1970) (49)
- Constituents of Iva Species. V. Isolation, Structure, and Synthesis of Nevadensin, a New Flavone from Iva Nevadensis M. E. Jones and Iva Acerosa (Nutt.) Jackson1,2 (1966) (48)
- Dihydroflavonols and other flavonoids of Eupatorium species (1972) (47)
- Sesquiterpene lactones of Calea zacatechichi and C. urticifolia (1980) (47)
- Isolation and Structure of Coronopilin, a New Sesquiterpene Lactone1 (1961) (47)
- Sesquiterpene lactones from Helianthus grosseserratus (1981) (46)
- Sesquiterpene lactones and lactone glycosides from Hymenoxys species (1970) (45)
- Merodrimanes and other constituents from Talaromyces thailandiasis. (2007) (45)
- Flavonoids from Millettia pulchra (1984) (45)
- SOME AROMAS PRODUCED BY SIMPLE AMINO ACID, SUGAR REACTIONSa,b (1960) (45)
- Constituents of Liatris species. III. Provincialin, a cytotoxic germacradienolide from Liatris provincialis with unusual ester side chain (1973) (44)
- Resin acids. XI. Configuration and transformations of the levopimaric acid-p-benzoquinone adduct (1967) (44)
- Constituents of Ambrosia hispida Pursh.1,2 (1964) (43)
- Clerodane derivatives from Polyalthia viridis (1990) (43)
- Hymenovin. major toxic constituent of Western bitterweed (Hymenoxys odorata DC.) (1975) (43)
- 3-epi-betulinic acid, a new triterpenoid from Picramnia pentandra (1972) (43)
- Iron(II)-induced decomposition of unsaturated cyclic peroxides derived from butadienes. A simple procedure for synthesis of 3-alkylfurans (1977) (40)
- Secondary Metabolites from a Culture of the Fungus Neosartorya pseudofischeri and Their In Vitro Cytostatic Activity in Human Cancer Cells (2012) (40)
- Anticancer Activity Evaluation of Kuanoniamines A and C Isolated from the Marine Sponge Oceanapia sagittaria, Collected from the Gulf of Thailand (2007) (40)
- Constituents of Ambrosia ilicifolia (Gray) Payne1,2 (1966) (40)
- Isolation and structure of two new germacranolides from Polymnia uvedalia (1970) (40)
- The Effect of Benzoyl Peroxide on the Bromination of Methylthiophenes by N-Bromosuccinimide (1949) (39)
- Constituents of Iva species. IX. Ivangulin, a novel seco-eudesmanolide from Iva angustifolia (1967) (38)
- Sesquiterpene Lactones and Other Constituents of Vernonia mollissima and Vernonia squamulosa (1986) (38)
- Heliangolides from Helianthus maximiliani (1981) (38)
- Xanthones from Cratoxylum maingayi (1998) (37)
- Sesquiterpene lactones and flavones from Centaurea cineraria subsp. Umbrosa (1988) (37)
- Ent-pimaranes, ent-kauranes, Heliangolides and other Constituents of three Helianthus species (1984) (36)
- Further alkyl and alkenylphenols of Knema laurina and knema austrosiamensis: location of the double bond in the alkenyl side chains (1996) (36)
- Constituents of Gaillardia species. VI. 3-Epiisotelekin from Gaillardia aristata pursh. and the structure of farinosin (1968) (35)
- Immunomodulatory Activity of Xanthones from Calophyllum teysmannii var. inuphylloide. (1999) (35)
- Sesquiterpene lactones from Viguiera species (1982) (34)
- 10-Epideoxycumambrin b and other constituents of Stevia yaconensis var. subeglandulosa (1989) (34)
- Sesquiterpene alcohols and triterpenoids from Liatris microcephala (1983) (34)
- Constituents of Gaillardia species—I the structure of pulchellin (1963) (34)
- Sesquiterpene lactones of Eupatorium hyssopifolium. Germacranolide with an unusual lipid ester side chain (1976) (34)
- Cytotoxic activities of flavonoid glycoside acetates from Consolida oliveriana. (2008) (34)
- New melampolides and darutigenol from Sigesbeckia orientalis (1980) (33)
- Pycnolide, a seco-germacradienolide from Liatris pycnostachya, and other antitumor constituents of Liatris species. (1976) (33)
- Reaction of enedione epoxides with base (1975) (33)
- The Structure of Psilostachyin C, a New Sesquiterpene Dilactone from Ambrosia psilostachya DC. (1966) (32)
- SESQUITERPENE LACTONES, TRITERPENES AND FLAVONES FROM LYCHNOPHORA ERICOIDES AND LYCHNOPHORA PSEUDOVILLOSISSIMA (1998) (32)
- Desacetyleupaserrin and nevadensin from Helianthus pumilus (1977) (32)
- Stilbenes and other constituents of Knema austrosiamensis (1993) (32)
- Constituents of Helenium Species. X. Revised Structure of Tenulin (1962) (32)
- Chemistry of the eupatoriinae (2001) (32)
- Rotenoids from roots of Millettia pachycarpa (1982) (32)
- Constituents of Liatris species. VI. New guaianolides from Liatris species (1975) (32)
- Polyoxygenated cyclohexene derivatives from Ellipeiopsis cherrevensis. (2002) (31)
- trans-1,2-cis-4,5-Germacradienolide and other new germacranolides from Tithonia species (1975) (31)
- Xanthones from Calophyllum teysmannii var. inophylloide. (2000) (31)
- Artelastocarpin and carpelastofuran, two new flavones, and cytotoxicities of prenyl flavonoids from Artocarpus elasticus against three cancer cell lines. (2001) (31)
- Structures of parthenin and ambrosin (1961) (31)
- 15-Deoxygoyazensolide, a new heliangolide from Vanillosmopsis erythropappa (1976) (30)
- Guaianolides from Tricholepis glaberrima (1982) (30)
- Cycloartanes from Lindheimera texana (1985) (30)
- GLAUCOLIDES, HIRSUTINOLIDES AND OTHER SESQUITERPENE LACTONES FROM VERNONANTHURA PINGUIS (1997) (30)
- Sesquiterpene lactones from Centaurea tweediei. (2001) (30)
- Guaianolides and other constituents of Helianthus microcephalus (1988) (29)
- Lignans and other constituents of knema furfuracea (1990) (29)
- Sesquiterpene Lactones in Compositae (1971) (29)
- Sesquiterpene lactones of Eupatorium serotinum (1979) (29)
- The Sesquiterpene Lactones of Artemisia tilesii Ledeb.1 (1961) (29)
- Trihydroxy-C18-acids and a labdane from rudbeckia fulgida (1985) (29)
- Sesquiterpene lactones and other constituents of Eupatorium lancifolium and E. semiserratum (1981) (29)
- New flavonoids from Inula cappa (1979) (29)
- Sesquiterpene lactones from brazilian Tithonia diversifolia (1997) (29)
- Mannich Bases from N-Substituted Pyrroles (1951) (29)
- Sesquiterpene lactones of some Ambrosia species (1969) (28)
- Optical Rotatory Dispersion Studies. XIII.1Assignment of Absolute Configuration to Certain Members of the Guaianolide Series of Sesquiterpenes*2 (1957) (28)
- Prenylflavonoids from Artocarpus elasticus (1996) (28)
- Bacillisporins D and E, new oxyphenalenone dimers from Talaromyces bacillisporus. (2006) (28)
- Minor sesquiterpene lactones of Helianthus pumilus (1981) (28)
- Woodhousin, a new germacranolide from Bahia woodhousei(Gray) Gray' (1972) (28)
- Guaianolides and other constituents of Achillea ligustica (1988) (27)
- Germacranolides from Inula cappa (1984) (27)
- Lanostanes and friedolanostanes from the bark of Garcinia speciosa. (2004) (27)
- Mikanokryptin, a new guianolide from Mikania (1975) (27)
- The Pomeranz-Fritsch Reaction in the Pyrrole Series. The Synthesis of Apoharmine1 (1955) (27)
- Sesquiterpene lactones and other constituents of eirmocephala megaphylla and Cyrtocymura cincta (1996) (27)
- Eucannabinolide and other constituents of Schkuhria virgata (1980) (27)
- Quorum Sensing Inhibitors of Staphylococcus aureus from Italian Medicinal Plants (27)
- Constituents of Knema laurina and Knema tenuinervia ssp. setosa. (1991) (27)
- Isolation and synthesis of two new flavones from Conoclinium coelestinum (1980) (27)
- Piptocarphols and other constituents of Chrysolaena verbascifolia and Lessingianthus rubricaulis (1993) (27)
- Constituents of Helenium species. XXI. Sesquiterpene lactones of Helenium alternifolium. Structures of brevilin A, linifolin A, and alternilin (1968) (27)
- Glaucolides and related sesquiterpene lactones from Vernonia nudiflora and Chrysolaena propinqua (1992) (27)
- Norditerpene and diterpene alkaloids from Aconitum variegatum. (2005) (26)
- Constituents of Iva Species. II. The Structures of Asperilin and Ivasperin, Two New Sesquiterpene Lactones1 (1964) (26)
- A monoacyl galactosylglycerol from sonchus arvensis (1983) (26)
- Biogenetic-type synthesis of scalaranes (1982) (26)
- 7-methoxycoumarins from Micromelum minutum (1984) (26)
- Sartoryglabrins, Analogs of Ardeemins, from Neosartorya Glabra (2011) (26)
- Helifoline, a pyrrolizidine alkaloid from Heliotropium ovalifolium☆ (1981) (26)
- Sulfur Analogs of Isoquinolines and β-Carbolines. III. The Pomeranz—Fritsch Reaction (1953) (26)
- Sesquiterpene lactones of Eupatorium perfoliatum. (1977) (26)
- Sesquiterpene lactones and other constituents of Centaurea napifolia. (1995) (25)
- Polyhydroxyagarofuran derivatives from Austroplenckia populnea (1984) (25)
- Constituents of Iva species. IV. Structure of pseudoivalin, a new guaianolide. (1965) (24)
- Sulfur Analogs of Isoquinolines. IV. The Pictet-Gams Reaction and Attempts to Prepare Analogs of Papaverine1,2 (1955) (24)
- New Pseudoguaianolides from Hymenoxys Species. A New Type of Lactone Closure (1970) (24)
- Constituents of Helenium species—XV : The structure of mexicanin c., relative stereochemistry of its congeners (1963) (24)
- Constituents of gaillardia species—III (1966) (24)
- MONOTERPENES AND LIGNANS FROM MIKANIA SALTENSIS (1991) (24)
- Guaianolides, heliangolides and other constituents from Stevia alpina (1989) (23)
- Guaianolides and germacranolides from Stevia grisebachiana (1991) (23)
- Constituents of Viguiera aspillioides and V. robusta (1996) (23)
- Ligantrol and ligantrol monoacetate, two new linear polyoxygenated Diterpenes from Liatris elegans (1975) (23)
- Heliangolides, kauranes and other constituents of Helianthus heterophyllus (1986) (23)
- Cinnamoylgrandifloric acid from Mikania oblongifolia. (1977) (23)
- Determination of the absolute configuration of hydroxylated sesquiterpene lactones by Horeau's method of asymmetric esterification (1967) (23)
- Structure of goyazensolide and its congeners (1982) (23)
- Azulenes. VII. A Novel Rearrangement in the Synthesis of Azulenes (1956) (23)
- Sesquiterpene lactones and other constituents of Centaurea nicaensis (1996) (23)
- Flavones from Eupatorium leucolepis (1982) (22)
- Acylated flavonol glycosides from Delphinium staphisagria (2008) (22)
- Eregoyazin and eregoyazidin, two new guaianolides from Eremanthus goyazensis (1977) (22)
- Maculatin: An isomer of uvedalin epoxide from Polymnia maculata (1973) (22)
- Clerodanes from Polyalthia viridis (1993) (22)
- Photooxygenation of 1-vinylcycloalkenes. The competition between ene reaction and cycloaddition of singlet oxygen (1985) (22)
- Guaianolides and lignans from Centaurea solstitialis subs Schouwii (1991) (22)
- New coumarins from Pterocaulon polystachyum. (2001) (21)
- Guaianolides from Saussurea affinis (1983) (21)
- Ambrosanolides and secoambrosanolides from Ambrosia tenuifolia (1986) (21)
- PARTHENIN, A NEW GUAIANOLIDE (1959) (21)
- Pyrrolopyridines. IV. Synthesis of Possible Intermediates1,2 (1961) (21)
- Constituents of helenium species—XVII: Sesquiterpene lactones of helenium thurberi gray and the stereochemistry of bigelovin☆☆☆ (1965) (21)
- Cytotoxicity and Inhibition of Lymphocyte Proliferation of Fasciculatin, a Linear Furanosesterterpene Isolated from Ircinia variabilis Collected from the Atlantic Coast of Morocco (2005) (21)
- Further prenylflavonoids from Artocarpus elasticus (1998) (21)
- Lignans and Other Constituents of Centaurea sphaerocephala ssp. polyacantha. (1990) (21)
- Ent-kaurene diterpenes from Gochnatia polymorpha var. polymorpha (1997) (21)
- A new melampolide from Sigesbeckia orientalis (1979) (21)
- Tetillapyrone and nortetillapyrone, two unusual hydroxypyran-2-ones from the marine sponge Tetilla japonica. (2001) (21)
- Sesquiterpene lactones and other constituents of Arnica acaulis (1988) (20)
- A biphenyl type neolignan and a biphenyl ether from Magnolia henryi (1989) (20)
- Minor alkaloids of Heliotropium curassavicum (1982) (20)
- Anthraquinones and other constituents of two Senna species (1992) (20)
- Diterpenes and sesquiterpene Lactones from Mikania congesta (1985) (20)
- Crystal structure and stereochemistry of achalensolide, a new guaianolide from Stevia achalensis (1983) (19)
- Antileukemic C-15-functionalized ambrosanolides from Rudbeckia mollis (1981) (19)
- Pyrrolo [3,2-c]pyridines1 (1955) (19)
- Constituents of Gaillardia species. IX. Structure and stereochemistry of pulchellin B, C, E, and F (1970) (19)
- Drimane derivatives from Drimys brasiliensis (1986) (19)
- Eudesmanolides and ent-pimaranes from Liatris laevigata (1983) (19)
- Dolabranes from Endospermum diadenum (1994) (19)
- 2,5-Diaryl-3,4-dimethyltetrahydrofuran lignans from Talauma hodgsonii (1998) (19)
- Chromanones, benzofurans and other constituents from Ophryosporus lorentzii (1996) (19)
- Benzofurans, benzofuran dimers and other constituents from Ophryosporus charua (1997) (19)
- Remote oxidation in the Fe(II)-induced decomposition of a rigid epidioxide (1977) (19)
- trans,trans-Germacra-1(10),4-dien-cis-6,12-olides from Montanoa hibiscifolia (1980) (19)
- GLAUCOLIDES AND RELATED SESQUITERPENE LACTONES FROM VERNONIA CHAMAEDRYS (1988) (19)
- Coumarins and a kaurane from Gochnatia polymorpha ssp. polymorpha from Paraguay (2003) (19)
- Helenalin. I. Isolation and Properties (1949) (19)
- Cytotoxic sesquiterpene lactones of Eremanthus incanus and Heterocoma albida. Crystal structure and stereochemistry of eregoyazin (1980) (18)
- Ivalbatin, a new xanthanolide from Iva dealbata (1973) (18)
- Antileukemic pseudoguaianolides from Hymenoxys grandiflora (T. and G.) Parker. Application of lanthanide-induced shifts to structure determination. (1974) (18)
- The Organic Constituents of Higher Plants, Their Chemistry and Interrelationships. (1963) (18)
- Glycosidic disecoeudesmanolides and other secosesquiterpene lactones from Picradeniopsis species. X-ray analysis of Bahia I. (1980) (18)
- Photooxygenation of (R)-p-mentha-3,8(9)-diene and 1-isopropenyl-3,4-dihydronaphthalenes. Preparation of (R)-menthofuran, (R)-evodone and (.+-.)-chromolaenin (1985) (18)
- Sesquiterpene lactones of two centaurea species from Sicily (1998) (18)
- Structure and Stereochemistry of Diels-Alder Adducts of Levopimaric Acid (1964) (18)
- Bahifolin, a new sesquiterpene lactone, and 5,7-dihydroxy-3,3′,4′,6-tetramethoxyflavone, a new flavone, from Bahia oppositifolia (1972) (18)
- Diterpenes of helianthus rigidus and H. Salicifolius (1982) (18)
- Damsinic acid and ambrosanolides from vegetative ambrosia hispida (1981) (18)
- Flavonol-3-glucosides in eight Eupatorium species (1972) (18)
- Niruroidine, a norsecurinine-type alkaloid from Phyllanthus niruroides (1996) (18)
- Clerodanes from solidago virgaurea (1984) (17)
- Constituents of Iva species. VIII. Structure of ivalbin, a modified guaianolide from Iva dealbata (1967) (17)
- Unusual germacranolides from Inula eupatorioides (1980) (17)
- Constituents of Helenium species. XX. Virginolide, a new guaianolide from Helenium virginicum (1967) (17)
- Pschorr Cyclizations in the Pyridine Series. The Synthesis of Benz[f]- and Benz[h]isoquinoline1 (1961) (17)
- Sesquiterpene lactones of Mikania minima (1993) (17)
- Further constituents of Achillea ageratum (1999) (17)
- Germacranolides from Anthemis cupaniana (1991) (17)
- An amide from salmea scandens (1985) (17)
- GUAIANOLIDES FROM KAUNIA LASIOPHTHALMA (1990) (17)
- Remarkable case of intramolecular energy transfer (1967) (17)
- Sesquiterpene lactones and other constituents of Centaurea paniculata ssp. castellana (2002) (17)
- Further Halotyrosine Derivatives from the Marine Sponge Suberea aff. praetensa (2002) (17)
- Diprenylated derivatives of p-hydroxyacetophenone from Ophryosporus macrodon (1993) (17)
- High Resolution 1H-NMR and C-NMR Spectra of Saturated Pyrrolizidine Monoester Alkaloids (1982) (17)
- The Lactones of cis- and trans-2-Hydroxycycloheptaneacetic Acid1 (1963) (17)
- Sesquiterpene lactones, a labdane and other constituents of Urolepis hecatantha and chromolaena arnottiana (1995) (17)
- Sesquiterpene lactones of Anthemis alpestris (2002) (17)
- Sesquiterpene lactones and flavones of Iva frutescens (1972) (17)
- Resin acids. XIX. Structure and stereochemistry of adducts of levopimaric acid with cyclopentenone and 1-cyclopentene-3,5-dione. Fovarski reaction of an enedione epoxide (1969) (17)
- Guaianolides and other terpenoids from Anthemis aetnensis (1997) (17)
- Aromatic and other constituents of four Verbesina species: Structure and stereochemistry of verbesindiol (1981) (17)
- Sesquiterpene lactones and other constituents of Centaurea diffusa (2002) (16)
- Cadinanolides and other constituents from Vernonia fruticulosa and Vernonanthura discolor (1997) (16)
- Dibromotyrosine Derivatives, a Maleimide, Aplysamine-2 and Other Constituents of the Marine Sponge Pseudoceratina purpurea (2005) (16)
- 16-Hydroxy-3,13Z-kolavadien-16,15-olide from Polyalthia viridis (1989) (16)
- Alkylation of substituted malonic and cyanoacetic esters with 2-diamethylaminomethylpyrrole; a proposed synthesis of beta-2-pyrrolealanine. (1948) (16)
- 5-hydroxy-6,7,4′-trimethoxyflavone from Ageratina gilbertii (1972) (16)
- Cationic cyclizations of labda-8(17),12- and labda-8(17),13(16)-dien-14-ol (1977) (16)
- Sesquiterpene lactones from Centaurea sphaerocephala ssp. sphaerocephala (1994) (16)
- Pyrroles XIV. Mannich Bases of 2,5-Substituted Pyrroles1 (1959) (16)
- Parthemollin, a new xanthanolide from Parthenice mollis (1970) (16)
- Constituents of Iva Species. III. Structure of Microcephalin, A New Sesquiterpene Lactone1,2 (1964) (16)
- Constituents of Helenium Species. XII. Sesquiterpene Lactones of Some Southwestern Species1,2 (1962) (16)
- Cytotoxicities of xanthones and cinnamate esters from Hypericum hookerianum. (2005) (16)
- A thiol-containing ester side chain in a sesquiterpene lactone from Eupatorium mikanioides. Absolute configuration of deacetyleupaserrin and its congeners (1980) (16)
- Iso-lycopsamine, a pyrrolizidine alkaloid from Heliotropium keralense (1990) (16)
- Furano(3,2-c)pyridines1 (1955) (15)
- Constituents of Helenium species—XIX : Further transformations of helenalin and its congeners. The 1-epihelenalin and 1-epiambrosin series (1966) (15)
- New germacranolides from Liatris species (1975) (15)
- δ-Lactones of polyhydroxy-C26 acids in Eupatorium pilosum (1978) (15)
- Sesquiterpene lactones and other constituents of Vernonia species from ethiopia (1994) (15)
- Longipinanes and a germacranolide carboxylic acid from Stevia potrerensis (1987) (15)
- Eudesmanolides from Picris aculeata (1988) (15)
- Sesquiterpene Lactones, Chromans, and Other Constituents of Ophryosporus piquerioides (1992) (15)
- New 5-methylcoumarins from Ethulia conyzoides (1982) (15)
- Stereochemistry of ciliarin, zexbrevin, and their relatives (1980) (15)
- Constituents of Gaillardia species—II: Structures of pulchellin B and pulchellin C (1964) (15)
- Constituents of Helenium Species. VI. Correlation of Helenalin and Alloisotenulin1 (1958) (15)
- Sesquiterpene lactones and other constituents of argentine Ambrosia species (1992) (15)
- Resin Acids. III. 9-Hydroxyabietic Acid and Its Transformation Products*,1,2 (1965) (15)
- Sesquiterpene lactones and other constituents of three Cardueae from Cyprus. (2001) (14)
- A lactone analog of germacrone (1979) (14)
- A New Linalool Derivative and Other Constituents from Piper ribesoides. (1989) (14)
- A-Nitro- and 4-Amino-3-picoline (1954) (14)
- Germacranes and flavonoids from Achillea ageratum (1997) (14)
- Constituents of Helenium species XIV : The structure of Mexicanin E☆☆☆★ (1963) (14)
- CASSANES AND ANTHRAQUINONES FROM CHAMAECRISTA GREGGII (1994) (14)
- Flavonoids inositol esters and pantolactone homologues from marshallia tenuifolia (1987) (14)
- Acylated flavonol tetraglycosides from Delphinium gracile. (2010) (14)
- Sesquiterpene lactones of Baltimora recta (1979) (14)
- Incisol, an alcohol with a novel sesquiterpene skeleton from Xenophyllum incisum (2007) (14)
- Guaianolides and other constituents from Vernonia nitidula (1988) (14)
- New prenylated isoflavones from Millettia pachycarpa (1981) (14)
- Constituents of Helenium Species. XI. The Structure of Pinnatifidin1,2 (1962) (14)
- Ent-kauranes and trachylobanes from Helianthus radula (1983) (14)
- Piptocarphol esters and other constituents from Vernonia cognata (1988) (14)
- Sesquiterpene lactones from Anthemis plutonia. (1998) (14)
- A rearranged germacranolide and other sesquiterpene lactones from Stevia jujuyensis (1992) (14)
- Sesquiterpene lactones of eupatorium anomalum and eupatorium mohrii (1979) (13)
- Xanthanolides and a bis-norxanthanolide from Xanthium cavanillesii (1994) (13)
- Isolation of hymenovin from Hymenoxys richardsonii (pingue) and Dugaldia hoopesii (orange sneezeweed). (1976) (13)
- Deoxyelephantopin and 2-epideoxyelephantopin analogues from Gochnatia palosanto (1990) (13)
- Triterpenes and sesquiterpene lactones from Cyclolepis genistoides (1997) (13)
- Constituents of Helenium species. XXIII. Stereochemistry of flexuosin A and related compounds (1969) (13)
- Glaucolide B, A Molluscicidal Sesquiterpene Lactone, and Other Constituents of Vernonia eremophila. (1990) (13)
- Granilin and ivasperin from Ambrosia polystachya. 13C-NMR spectra of hydroxylated isoalantones (1976) (13)
- New clerodanes from Symphiopappus itatiayensis (1979) (13)
- Melampolides from Mikania cordifolia (1987) (13)
- Melampolides from Smallanthus macroscyphus (2003) (13)
- Isoflavones, a sesquiterpene lactone-monoterpene adduct and other constituents of Gaillardia species (1991) (13)
- A heliangolide from Calea lantanoides (1982) (13)
- Rhamnocitrin-3-glucuronid in Verbesina myricephala (1974) (13)
- Resin acids. XVII. Synthesis of 7- and 11-oxygenated abietanes (1969) (13)
- 5,7-Dihydroxychromones and 8-hydroxytetrahydrochromones from Horsfieldia irya. (2002) (13)
- Seco-germacradienolide from Liatris pycnostachya (1975) (13)
- Iron(II)-induced decomposition of epidioxides derived from .alpha.-phellandrene (1977) (13)
- GLAUCOLIDES, PIPTOCARPHINS AND CADINANOLIDES FROM LEPIDAPLOA REMOTIFLORA (1998) (13)
- Bisabolones and other constituents of Mikania shushunensis (1988) (13)
- Sulfur Analogs of Isoquinolines (1951) (13)
- Sesquiterpene lactones and other constituents of Mikania rimachii and Mikania microptera (1992) (13)
- Three new 5,10-epoxygermacranolides from Liatris chapmanii and Liatris gracilis☆ (1975) (13)
- Constituents of Iva Species. VII. New Guaianolides from Iva axillaris Pursh. ssp. robustior1,2 (1966) (13)
- Sesquiterpene ketones related to davanone from Artemisia pallens (1990) (13)
- Azulenes. III.1 An Attempted Synthesis of 1-Isopropyl-4,8-dimethylazulene. Migration of an Isopropyl Group (1953) (13)
- Micordilin, a complex elemanolide from Mikania cordifolia. (1977) (13)
- Triterpenes and 1-(ω-hydroxyceratyl)glycerols from Pentaclethra eetveldeana root bark (1996) (12)
- The Dimer of 1,3-Diphenyl-1,3-butadiene1,2 (1958) (12)
- Constituents of Helenium species. XXII. Mass spectra of pseudoguaianolides related to helenalin (1969) (12)
- DITERPENES OF MIKANIA LINDBERGII BAKER (1997) (12)
- Bioactive friedolanostanes and 11(10-->8)-abeolanostanes from the bark of Garcinia speciosa. (2004) (12)
- Arbiglovin. A New Guaianolide From Artemisia bigelovii Gray1 (1965) (12)
- IRON(II)-INDUCED DECOMPOSITION OF EPIDIOXIDES DERIVED FROM α-PHELLANDRENE (1977) (12)
- A Remarkably Facile Ring Closure Through Double Bond Participation (1962) (12)
- Resin Acids. IV. 12-Hydroxyabietic Acid and Its Reduction1 (1965) (12)
- Pyrroles. XIII. Structure and Reactivity of N-Methyl-2-pyrrolealdehyde1 (1958) (12)
- Chromans from helianthella quinquenervis (1984) (12)
- Sesquiterpene lactones from Liatris acidota, L. Aspera and L. Mucronata (1983) (12)
- Lychnopholic acid and its acetate from Lychnophora martiana (1980) (12)
- Pyrroles. XII. The Reaction of Pyrrolealdehydes with Arylacetonitriles1,2 (1958) (12)
- Eudesmanolides and 15-deoxygoyazensolide from Lychnophora pseudovillosissima (1992) (12)
- Notes- Isolation of 5-Hydroxy-3,6,7,3',4'-pentamethoxyflavone from Kuhnia eupatorioides L. var. pyramidalis (1961) (12)
- Terpenoid Chemistry of Mikania Species (1999) (12)
- Goyazensolides and isogoyazensolides from Argentine Centratherum punctatum ssp. punctatum (1998) (12)
- Sesquiterpene lactones of Eupatorium recurvans (1978) (12)
- Complete stereochemistry of tenulin. Carbon-13 nuclear magnetic resonance spectra of tenulin derivatives (1975) (12)
- New ent-clerodane-type diterpenoids from Baccharis trimera (1978) (12)
- Structures of the rolandrolides and isorolandrolides, unusual germacradienolides from Rolandra fruticosa (1981) (11)
- Sesquiterpene lactones of Eremanthus incanus and Porella japonica. Crystal structure and stereochemistry of eregoyazidin (1981) (11)
- 2-Vinylpyrrole and Homologs (1954) (11)
- Alkaloids from Delphinium pentagynum. (2004) (11)
- Sulfur Analogs of β-Carbolines (1950) (11)
- A new dihydrobenzofuran from Liatris provincialis (1973) (11)
- 1,17-Dideoxyagelorin A and B, New Bromotyrosine Derivatives and Analogs from the Marine Sponge Suberea aff. praetensa (2001) (11)
- Constituents of Helenium species—XVIII.: 1-Epiisotenulin and its transformations (1966) (11)
- Bisabolenes from Achillea cretica (1996) (11)
- 15-Hydroxyeremantholide B and derivatives from Eremanthus arboreus (1999) (11)
- Sesquiterpene lactones of Hymenoxys insignis. X-ray analyses of hymenograndin and hymenosignin (1980) (11)
- STRUCTURALLY RELATED GUAIANOLIDES FROM INULA THAPSOIDES (1995) (11)
- An unusual glucoside from Cleistanthus gracilis. (2006) (11)
- Unusual cassanes from a Chamaecrista species (1992) (11)
- Constituents of Helenium Species. IX. The Sesquiterpene Lactones of H. flexuosum Raf. and H. campestre Small1 (1960) (11)
- Secondary metabolites from a marine sponge Cliona patera (2008) (11)
- Flavonoids in ten Liatris species (1973) (11)
- The Structure of Tenulin (1956) (10)
- Clerodanes and other constituents of Cleidion spiciflorum. (2006) (10)
- Pseudoguianolides in Helenium autumnale from pennsylvania (1972) (10)
- Sesquiterpene Lactones and Flavonoids fromEremanthus mattogrossensisandEremanthus eriopus (1995) (10)
- Elemanolides from Zinnia peruviana (1981) (10)
- Isoalantolactone derivatives and germacranolides from Blumea densiflora (1985) (10)
- Sesquiterpene lactones and other constituents of Disynaphia multicrenulata from Argentina. (2001) (10)
- Mechanism of intramolecular photoreactions of two rigid cyclopentenones (1977) (10)
- Resin acids. XXV. Chromic acid oxidation of .DELTA.8,9-primaranes and isopimaranes. Long range deshielding in 8,9 epoxides (1974) (10)
- Guaianolides from Stevia sanguinea (1989) (10)
- Sesquiterpene lactones of Eupatorium scabridum (1982) (10)
- Ent-kauranes and 10α-methyl-eudesman-8αh,12-olides from wedelia calycina and wedelia hispida (1984) (10)
- Reaction of dihydrohexamethyl(Dewar benzene) with singlet oxygen (1977) (10)
- Constituents of IV A species—IX : Isolation, structure proof and synthesis of acerosin from IV A acerosa (nutt.) jackson (1967) (10)
- Oleanolic and ursolic acid derivatives from Polylepis australis (1998) (10)
- Glaucolides and related sesquiterpene lactones from Vernonia incana (1990) (10)
- Sesquiterpene Lactones in the Molluscidal Extract of Eremanthus glomerulatus. (1985) (9)
- Sesquiterpene lactones and diterpenes from Mikania periplocifolia (1985) (9)
- Stereochemistry of the biological divinyloxiran–dihydro-oxepin rearrangement: X-ray studies of the sesquiterpenoids miscanden in and dihydromikanolide (1973) (9)
- Modified helenanolides from Psilostrophe gnaphaloides and Psilostrophe cooperi (1987) (9)
- Constituents of Liatris species. V. Ligantrol and ligantrol monoacetate, two new linear polyoxygenated diterpenes from Liatris elegans (1975) (9)
- A NOVEL REARRANGEMENT IN THE SYNTHESIS OF AZULENES (1954) (9)
- Constituents of Helenium Species. VIII. Isolation and Structure of Balduilin1 (1959) (9)
- Germacranolides of Inula eupatorioides. 2. Absolute configuration of the ineupatorolides (1982) (9)
- Diterpenes from Vernonanthura amplexicaulis (1995) (9)
- The germacradienolide isabelin from Zexmenia valerii: stereochemistry and conformation of scandenolide and deoxymikanolide☆ (1981) (9)
- Sesquiterpene dilactones from Mikania ypacarayensis (1995) (9)
- Structures of the ratibidanolides, sesquiterpene lactones with a new carbon skeleton, and unusual xanthanolides from Ratibida columnifera (1985) (9)
- Two homofarnesane derivatives and other constituents from Gochnatia glutinosa (1994) (9)
- Two sesquiterpene lactones from Trichogonia gardneri (1985) (9)
- A glycosidic germacradienolide from Eupatorium altissimum (1978) (9)
- Sesquiterpene lactones and other constituents of Stevia jujuyensis (1992) (9)
- Resin acids. XX. Structure of levopimaric acid dioxide (1970) (9)
- Elephantopus-type sesquiterpene lactones from a Vernonanthura species, Vernonanthura nebularum (2003) (9)
- Guaianolides from Liatris squarrosa (1980) (9)
- Structure of deacetylviguiestenin (tagitinin E). An addendum (1980) (9)
- β-2-Pyrrole-ethylamine (1953) (9)
- Azulenes. IV. 4,5-Substituted Azulenes1 (1953) (8)
- Mikanokryptin in Melampodium divaricatum (1975) (8)
- Stereochemistry of the Tetrahydroabietic Acids1 (1966) (8)
- Sesquiterpene Lactones from Brazilian Tithonia diversifolia. (1997) (8)
- Dianthramide glucosides from tissue cell cultures of Delphinium staphisagria L. (2005) (8)
- Constituents of Helenium Species. VII. Bitter Principles of H. pinnatifidum (Nutt.) Rydb., H vernale Walt., H. brevifolium (Nutt.) A. Wood and H. flexuosum Raf.1 (1959) (8)
- Structure of tirotundin (1978) (8)
- Synthesis of Viridifloric Acid (1950) (8)
- A eudesmanolide from Picris spinifera (1992) (8)
- Reduction of Benzalacetophenone Oxide (1952) (8)
- Germacran-5,14,6,12-diolides from Mikania urticifolia (1988) (8)
- 10α-methyl-eudesman-8αH,12-olides and other constituents from Wedelia pinetorum (1986) (8)
- A guaianolide diol monoacetate from centaurea behen and C. Solstitialis ssp. Schouwii (1993) (8)
- Tetracyclic analogs of the rosane lactones from Eupatorium album (1979) (8)
- Model Lactones Related to Eudesmanolides and Guaianolides1 (1964) (8)
- Constituents of Gaillardia species. V. Isolation and structure of spathulin. (1967) (8)
- Flavonoides in Vernonia arten (1972) (8)
- Resin Acids. XXVI. Biogenetic-Type Rearrangements of the HomoallylicCation from Methyl 15(R)-Hydroxypimar-8( 14)-en-18-oate1 (1974) (8)
- Crystal structure and stereochemistry of ivaxillin (1982) (8)
- Constituents of Helenium species—XVI (1964) (8)
- Flavonoids and eupahakonenin B from Stevia satureiaefolia (1984) (8)
- Sesquiterpene lactones and other constituents of Stevia maimarensis and Synedrellopsis grisebachii (1996) (8)
- Elephantopus-type sesquiterpene lactones from a second Vernonanthura species, Vernonanthura lipeoensis (2004) (8)
- Helenanolides from Gaillardia powellii (1986) (8)
- Secoiridoids from Exacum tetragonum (1984) (8)
- Flavonol 3,7-glycosides and dihydroxyphenethyl glycosides from Aconitum napellus subsp. lusitanicum (2005) (8)
- Stereochemistry of spathulin (1974) (8)
- Azulenes. VIII.1 1- and 2-t-Butylazulene. Migration of the t-Butyl Group (1958) (8)
- Stereochemistry of chapliatrin and its congeners from Liatris gracilis (1984) (8)
- Constituents of helenium species—XVI : The structures of flexuosin a and flexuosin B (1964) (8)
- An improved synthesis of beta-2-thienylalanine. (1946) (8)
- Notes: Pyrrolopyridines. III. The Madelung Cyclization of 3-Acylamino-4-picolines (1960) (8)
- Constituents of Polyalthia jucunda. and Their Cytotoxic Effect on Human Cancer Cell Lines (2007) (7)
- Patuletin-3-O-β-glucosid in Flaveria Arten (1971) (7)
- Helenanolides, guaianolide glucosides and other constituents of two Helenium donianum varieties (1992) (7)
- TRIXANE DERIVATIVES FROM TRIXIS PRAESTANS (1988) (7)
- Diene Reaction of Some Furans (1946) (7)
- Vasorelaxant Activity of Essential Oils from Croton zambesicus and Some of Their Constituents (7)
- Flavones of Iva hayesiana (1970) (7)
- Resin acids. XV. Oxidative transformations of the levopimaric acid-acetylenedicarboxylic ester adduct (1969) (7)
- Flavone-C-glycosides in Helenium species (1972) (7)
- Chemical constituents of Duabanga grandiflora (Lythraceae) (2009) (7)
- Sesquiterpene lactones and monoterpene glucopyrano-sides of Tetraneuris linearifolia var. arenicola (1992) (7)
- A cyperane and trixanes from Jungia polita (1992) (7)
- Resin acids. XXIII. Oxidation of levopimaric acid with potassium permanganate and osmium tetroxide (1972) (7)
- Cytotoxicity of prenylated xanthones and other constituents from the wood of Garcinia merguensis. (2008) (7)
- Sesquiterpene Lactones and Flavones from Stevia procumbens (1985) (7)
- Apachin, a new sesquiterpene lactone, and other xanthanolides from Iva ambrosiaefolia (1971) (7)
- Guaianolides and germacradienolides from Stevia sanguinea (1997) (7)
- Two flavones from Graziela mollissima (1994) (7)
- Isorhamnetin-3-glykoside in Eupatorium leptophyllum (1972) (7)
- Acetylenic and terpenoid constituents of Boltonia asteroides (1994) (7)
- Constituents of Schisandra verruculosa. and Their Cytotoxic Effect on Human Cancer Cell Lines (2006) (7)
- Triterpenes and other constituents of Nassauvia axillaris (2005) (6)
- The Synthesis of 1- and 2-Pyrrolealkylamines (1956) (6)
- Resin Acids. II. Cationic Cyclization of Isopimaric Acid Derivatives. Partial Synthesis of Isohibane*,1 (1965) (6)
- 5,4′-Dihydroxy-3,7-dimethoxyflavone from Ambrosia eriocentra (1973) (6)
- Crystal structure and stereochemistry of verbesindiol (1982) (6)
- Resin acids. XIV. Synthesis of methyl 13,16-cycloatisan-18-oate (methyl anti-trachylobanate) (1968) (6)
- Chrysoeriol-7-glucuronid in grindelia squarrosa (1972) (6)
- The crystal and molecular structure of bromoambrosin (1966) (6)
- An elemanolide from Zinnia grandiflora (1982) (6)
- The synthesis and microbiological properties of two isomeric naphthylalanines. (1948) (6)
- A cadinanolide and other sesquiterpene lactones from Mikania haenkeana (1992) (6)
- Cyclotagitinin C and its transformations (1983) (6)
- Flavonol-3-glycosides in eight Hymenoxys species (1972) (6)
- Cationic cyclizations and rearrangements as models for strobane and hispanane biogenesis (1983) (6)
- Sesquiterpene lactones of Ambrosia cordifolia (1973) (6)
- Fe(II)-induced decomposition of epidioxides. A chemical model for prostaglandin E, prostacyclin and thromboxane biosynthesis (1977) (6)
- Melampolides and germacranolides from Blainvillea gayana (1993) (6)
- Sesquiterpenoids. Part XX. X-Ray crystallographic determination of the molecular structure of berlandin, a guaianolide epoxide. Comments on the circular dichroism of sesquiterpenoid α-methylene γ-lactones with αβ-unsaturated ester side chains (1975) (6)
- Migratory Aptitudes of Unsaturated Groups1 (1964) (6)
- Hydrolysis of Certain ζ-Ketonitriles (1957) (6)
- Constituents of gaillardia species—III : The structure of gaillardilin, a new pseudoguaianolide (1966) (6)
- The diterpene darutigenol from Palafoxia arida (1978) (6)
- Use of the Peak Shaving-Recycle Technique for Separation of Labdadiene and Labdatriene Isomers by HPLC (1981) (6)
- Notes - Nature of the So-Called Grignard Reagent Formed From N-Methylpyrrole (1957) (6)
- Piptocarphol esters from Piptocarpha opaca (1983) (6)
- Structure proof by synthesis of unusual secodehydroabietanes from tall oil (1980) (5)
- Flavonol-3-glycosides in Plummera ambigens (1972) (5)
- Terpenoids and Flavones from Achillea falcata (Asteraceae) (2003) (5)
- Resin acids. XVIII. Lithium-ammonia reduction of some resin acid enones (1969) (5)
- Synthesis of -methyl trachylobanate from levopimaric acid (1968) (5)
- The structure of mikanolide, a new sesquiterpene dilactone from (L.) Willd. (1967) (5)
- Resin acids. XXI. Synthesis of methyl podocarp-8(14)-en-13-on-15-oate from the levopimaric acid-formaldehyde adduct (1971) (5)
- Sesquiterpene lactones and a neolignan from Hyaloseris andrade-limae (2004) (5)
- Ambrosanolides and other constituents of two rudbeckia species. (1990) (5)
- 3-Germacren-612-olides, from an undescribed liatris taxon (1984) (5)
- HELIANGOLIDES FROM STEVIA YACONENSIS VAR. ARISTIFERA (1990) (5)
- Azulenes. II. Synthesis of 1,4,8-Trisubstituted Azulenes1 (1952) (5)
- Trixanolide and germacratriene derivatives from Trixis grisebachii (1989) (5)
- SESQUITERPENE LACTONES FROM LIVESTOCK POISONS (1978) (5)
- Resin Acids. V. Partial Synthesis of (-)-Rimuane1,2 (1965) (5)
- A NEW SYNTHESIS OF β-2-FURYLALANINE. SOME DERIVATIVES OF β-2-FURYLALANINE AND β-2-THIENYLALANINE (1947) (5)
- Condensation of 2-Pyrrolealdehyde with Hippuric Acid: Isolation of cis and trans Isomers (1949) (5)
- Flavone-C-glycosides in a coastal race of Gaillardia pulchella (1972) (5)
- Photosensitized oxygenation of labda-8(17), 12-diene, labda-8(17), 13-diene, and the biformenes (1981) (5)
- Synthesis of 2,4,8-Trimethylazulene (1951) (5)
- Constituents of Viguiera species with antibacterial activity (1998) (5)
- Notes. The Triterpenes of Befaria racemosa (Vent.) (1961) (4)
- Clerodanes from Onoseris alata (1999) (4)
- Acid-Catalyzed Rearrangements of Nopinic Acid (1962) (4)
- A SECO-GERMACRADIENOLIDE FROM LIATRIS PYCNOSTACHYA (1975) (4)
- Biogenetic - Type Synthesis of 12,16 - Deoxyfuroscalarol (1983) (4)
- Crystal structure and stereochemistry of ivalbin, a xanthanolide (1979) (4)
- Forschritte der Chemie organischer Naturstoffe/Progress in the Chemistry of Organic Natural Products (1998) (4)
- Solvent shift studies on pseudoguaianolides of the helenalin series (1969) (4)
- A new tetralone from Diospyros cauliflora (2009) (4)
- Crystal structure and stereochemistry of frutescin (1982) (4)
- Unusual effect of epoxidic oxygen on the ease of base-catalyzed decomposition of epidioxides (1977) (4)
- Isolation, structure and synthesis of 4', 5,6,7-tetrahydroxy-3'-methoxyflavone (batatifolin) a new flavone from Mikania batatifolia DC. (1969) (4)
- The reaction of pyrrolealdehyde with rhodanine and hydantoin. (1948) (4)
- The crystal and molecular structure of bromohelenalin (1964) (4)
- Hydrolysis and Rearrangement of 2-Carbethoxy-2-(o-cyanobenzyl)-cycloalkanones (1956) (4)
- Punctatin: A new germacradienolide from Liatris punctata☆ (1974) (4)
- THE SYNTHESIS OF CERTAIN ACIDS DERIVED FROM CYCLOPENTANE (1955) (4)
- Pyrroles. XV. Some New Alkylations by Means of Pyrrole Mannich Bases1 (1964) (4)
- Resin acids. XXIV. Intramolecular functionalizations of 11-oxygenated abietanes and podocarpanes (1974) (4)
- Ent-kauranes from Helianthus atrorubens (1990) (4)
- Chemistry of the Oxylobinae (2003) (4)
- Relative and absolute configuration of axivalin and its congeners (1972) (4)
- New water soluble flavone and xanthone glycosides from Hypericum canariense L. (2010) (4)
- Chemistry of the Critoniinae (2004) (4)
- A nor-monoterpene from Artemisia schimperi (1991) (4)
- Resin acids. XXVIII. Rearrangements in the photolevopimaric acid series. Paradigm of bicyclo[2.2.0]- and bicyclo[2.1.1]hexane chemistry (1975) (4)
- Azulenes. VI. A Further Instance of Isopropyl Group Migration1a (1955) (4)
- Flavonol-3-glucosides in Baccharis angustifolia and Berlandiera pumila (1972) (4)
- MICORDILIN, A COMPLEX ELEMANOLIDE FROM MIKANIA CORDIFOLIA (1977) (4)
- Identification of pyrethrol with taraxasterol. (1966) (4)
- Helenalin. III. Reduction and Dehydrogenation (1949) (4)
- Stereochemistry of woodhousin (1978) (4)
- Sesquiterpenoids. Part 26. X-Ray crystallographic analysis of mikanokryptin, a cytotoxic guaianolide (1979) (4)
- Coumarin in amblyolepis setigera (1970) (3)
- REVISED STRUCTURES OF PLENIRADIN AND BAILEYIN AND THEIR BEARING ON THE BIOGENESIS OF HELENANOLIDES (1979) (3)
- Synthesis and mass spectra of tricyclic C22, C23 and C24 terpane isomers of the ent-isocopalane series (1984) (3)
- Pseudoguianolides of Gaillardia amblyodon (1972) (3)
- Azulenes. IX.1Migration of the Isopropyl Group during the Synthesis of 1-Isopropyl-8-methylazulene (1958) (3)
- The Stereochemistry of an Ivalin Degradation Product1 (1963) (3)
- GERMACRENOLIDE AND FLAVONOIDS FROM ACHILLEA AGERATUM (1997) (3)
- Flavonoids of Helenium brevifolium (1972) (3)
- Ent-norlabdane triols from Austroeupatorium inulaefolium (1984) (3)
- New pseudoguaianolides from gaillardia pulchella (1969) (3)
- Structure elucidation of a mixture of two novel isomeric sesquiterpenoids (1979) (3)
- Sesquiterpene Lactones and Flavones from Artemisia copa (1986) (3)
- Crystal structure and stereochemistry of florigrandin (1982) (3)
- Separation of diastereomeric pyrrolizidine alkaloids by chromatography on alkalised silica gel (1982) (3)
- Resin Acids. VI. Stereochemistry of the Tetrahydropimaric Acids1 (1965) (3)
- KAURANES AND RELATED DITERPENES FROM ADENOSTEMMA BRASILIANUM (1996) (2)
- Reaction of Furfural Derivatives with Maleic Anhydride (1945) (2)
- An introduction to spectroscopic methods for the identification of organic compounds: Vol. 2, F. Scheinmann (ed.). Pergamon Press, Oxford, 1974, 354 pp. $12.00 (hardback); $7.00 (flexicover). (1975) (2)
- A piptocarphin and other constituents of Lepidaploa myriocephala (2003) (2)
- Correction. Berlandin and Subacaulin. Two New Guianolides from Berlanderia subacaulis (1973) (2)
- Resin Acids. VIII. Reaction of Levopimaric Acid with Acetylenic Dienophiles1,2 (1966) (2)
- Structure of the products resulting from photochemically induced hydrogen transfers in the levopimaric acid-cyclopentenedione adduct (1974) (2)
- Resin acids. XVI. Transformations of methyl 12.alpha.-hydroxy-13.beta.-abiet-8(9)-en-18-oate (1969) (2)
- Resin acids. XXII. Unusual decarboxylation induced by a degenerate acyloin rearrangement (1971) (2)
- Constituents of Helenium amarum, IV. Desacetyl-1-epiisotenulin. (1984) (2)
- X-ray structure of the .gamma.-lactone formed by acid treatment of dihydroisopimaric acid (1979) (2)
- Reexamination of Gaillardia amblyodon: Isolation of new pseudoguaianolides☆ (1974) (2)
- New Compounds. N-Furfurylmaleamic Acid and N, N-Furfurylmethylmaleamic Acid (1945) (2)
- Alkaloids ofConoclinium coelestinum (L.) DC.,Eupatorium compositifolium walt., andE. altissimum L.: Isolation of crystalline intermedine fromC. coelestinum (1981) (2)
- Germacranolides fromEremanthus elaeagnus (1993) (2)
- NEW GUAIANOLIDES FROM LIATRIS SPECIES (1975) (2)
- The mass spectra of pseudoguaianolides related to helenalin. (1969) (2)
- Stereochemistry of parthemollin and related xanthanolides (1973) (2)
- Biochemical applications of mass spectrometry : edited by George R. Waller (Oklahoma State University), Wiley-Interscience, New York, 1972. xiv + 872 pp. $49.95. (1973) (2)
- Chemistry of the Liatrinae (2003) (2)
- BROMOTYROSINE DERIVATIVES FROM THE MARINE SPONGE SUBEREA AFF (2004) (2)
- Crystal structure and stereochemistry of amblyodiol (1982) (2)
- Constituents of Mikania species (1986) (1)
- Pyromeconic acid in Parthenium integrifolium (1971) (1)
- Notes - Hydrolysis and Rearrangement of 4-(1-Carbethoxy-2-oxo-cyclopentyl)crotonic Esters (1957) (1)
- Additions and Corrections-Constituents of Helenium Species. VIII. Isolation and Structure of Balduilin (1961) (1)
- Elephantopus-type sesquiterpene lactones from a Vernonanthura species, Vernonanthura nebularum [Biochemical Systematics and Ecology 31 (2003) 397–405] (2003) (1)
- TETRANEURIS LINEARIFOLIA VAR. ARENICOLA (ASTERACEAE: HEUANTHEAE): A NEW VARIETY FROM SOUTH TEXAS (1992) (1)
- Diterpenes from Viguiera porteri (1985) (1)
- Biphenyl Type Lignans and Costunolide from Manglietia garrettii. (1990) (1)
- The crystal and molecular structure of axivalin hydrate (1973) (1)
- Synthesis of 9,10-epoxy-9,10-secoabieta-8,11,13-triene (1984) (1)
- GLYCOSIDIC DISECOEUDESMANOLIDES AND OTHER SECOSESQUITERPENE LACTONES FROM PICRADENIOPSIS SPECIES. X-RAY ANALYSIS OF BAHIA I (1980) (1)
- Crystal structure of spicatin hydrobromide. Revision of the structure of spicatin. (1975) (1)
- Relative and absolute configuration of pseudoivalin (1973) (1)
- The Hydrolysis and Rearrangement of 2-Carbomethoxy-2-(o-cyanobenzyl)-1-tetralone (1957) (1)
- 1,7-Dimethyl-4-isopropylindan (1952) (1)
- Reaction of Thiophenealdehyde Derivatives with Maleic Anhydride (1949) (1)
- Correction. Woodhousin, a New Germacranolide from Bahia woodhousei (Gray) Gray (1973) (1)
- Correction. A trans-1,2-cis-4,5-Germacradienolide and Other Germacradienolides from Tithonia Species. (1978) (1)
- [Experimental pharmacology of ginkgo-biloba]. (1973) (0)
- Correction. The Synthesis of Methyl 13,16-Cycloatisan-18-oate (Methyl anti-trachylobanate (1969) (0)
- Sesquiterpene lactones in the molluscidal extract of Eremanthus glomerulatus. (1985) (0)
- A piptocarphin and other constituents of Lepidaploa myriocephala [Biochemical Systematic and Ecology 31 (2003) 107-109] (2003) (0)
- The Antimicrobial Principle of Clematis Dioscoreifolia (1951) (0)
- Germacranes and Flavonoids from Achillea ageratum. (1997) (0)
- RESIN ACIDS PART 26, BIOGENETIC-TYPE REARRANGEMENTS OF THE HOMOALLYLIC CATION FROM METHYL 15(R)-HYDROXYPIMAR-8(14)-EN-18-OATE (1974) (0)
- Xanthones from Calophyllum teysmannii var. inophylloide. (2001) (0)
- ANTILEUKEMIC PSEUDOGUAIANOLIDES FROM HYMENOXYS GRANDIFLORA (T. AND G.) PARKER, APPLICATION OF LANTHANIDE-INDUCED SHIFTS TO STRUCTURE DETERMINATION (1974) (0)
- Spiciflorin: a novel clerodane from Cleidion spiciflorum (Euphorbiaceae) (2007) (0)
- REARRANGEMENTS IN THE PHOTOLEVOPIRAMIC ACID SERIES. A PARADIGM OF BICYCLO(2,2,0)- AND BICYCLO(2,1,1)HEXANE CHEMISTRY (1975) (0)
- [Isolation, structure, and synthesis of 5,6,7,4'-tetrahydroxy-3'-methoxyflavone (Batatifoline), a new flavone from Mikania batatifolia D.C]. (1970) (0)
- OXIDATIVE REARRANGEMENTS OF TERTIARY AND SOME SECONDARY ALLYLIC ALCOHOLS WITH CHROMIUM(VI) REAGENTS. A NEW METHOD FOR 1,3-FUNCTIONAL GROUP TRANSPOSITION AND FORMING MIXED ALDOL PRODUCTS (1977) (0)
- Correction. Structure Elucidation of Sesquiterpene Lactones from Mikania scandens (L.) Willd. (1973) (0)
- B-6-3 Sesquiterpene Lactones of Iva Species(Terpenoids) (1964) (0)
- Glaucolide B, a molluscicidal sesquiterpene lactone, and other constituents of Veronica eremophila. (1990) (0)
- SESQUITERPENOIDS PART 20, X-RAY CRYSTALLOGRAPHIC DETERMINATION OF THE MOLECULAR STRUCTURE OF BERLANDIN, A GUAIANOLIDE EPOXIDE, COMMENTS ON THE CIRCULAR DICHROISM OF SESQUITERPENOID ALPHA-METHYLENE GAMMA-LACTONES WITH ALPHA,BETA-UNSATU (1975) (0)
- Additions and Corrections - The Structures of Parthenin and Ambrosin (1962) (0)
- SESQUITERPENE LACTONES OF MIKANlA MlNIMA (1993) (0)
- PROVINCIALIN, A CYTOTOXIC GERMACRADIENOLIDE FROM LIATRIS PROVINCIALIS GODFREY WITH AN UNUSUAL ESTER SIDE CHAIN (1973) (0)
- Additions and Corrections-Structure and Stereochemistry of Diels-Alder Adducts of Levopimaric Acid (1965) (0)
- Resin Acids. VII. Partial Synthesis of (-)-13-epi-Rimuane1 (1965) (0)
- Correction. Solvent Shift Studies on Pseudoguaianolides of the Helenalin Series (1970) (0)
- Correction. Oxidative Rearrangements of Tertiary and Some Secondary Allylic Alcohols with Chromium (VI) Reagents. A New Method for 1,3-Functional Group Transposition and Forming Mixed Aldol (1978) (0)
- The Shape of Carbon Compounds: An Introduction to Organic Chemistry (1963) (0)
- 15‐Hydroxyeremantholide B and Derivatives from Eremanthus arboreus. (1999) (0)
- Constituents of Polyalthia jucunda and their cytotoxic effect on human cancer cell lines (2007) (0)
- RESIN ACIDS PART 25, CHROMIC ACID OXIDATION OF DELTA(8(9))-PIMARANES AND ISOPIMARANES, LONG RANGE DESHIELDING IN 8,9-EPOXIDES (1974) (0)
- SESQUITERPENE LACTONES OF EUPATORIUM PERFOLIATUM (1977) (0)
- Niruroidine (I), a Norsecurinine-Type Alkaloid from Phyllanthus niruroides. (1996) (0)
- Germacranolides from eremanthus alaeagnus (1993) (0)
- Unusual germacranolides from Inula eupatorioides (1981) (0)
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