Roger Alder
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Emeritus Professor of organic chemistry at the University of Bristol
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Why Is Roger Alder Influential?
(Suggest an Edit or Addition)According to Wikipedia, Roger William Alder, FRS is an Emeritus Professor of organic chemistry at the University of Bristol. His research involves the study of novel compounds with unusual properties, such as proton sponges and stable carbenes.
Roger Alder'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
- Planar tetracoordinate carbon (1970) (395)
- Strain effects on amine basicities (1989) (259)
- Bis(diisopropylamino)carbene (1996) (216)
- When and how do diaminocarbenes dimerize? (2004) (215)
- Stable carbenes as strong bases (1995) (196)
- Complexation of stable carbenes with alkali metals (1999) (140)
- pKas of the conjugate acids of N-heterocyclic carbenes in water. (2011) (131)
- Mechanism in organic chemistry (1971) (113)
- The remarkable basicity of 1,8-bis(dimethylamino)naphthalene (1968) (113)
- In/Out Isomerism. (1996) (102)
- Diaminocarbenes; Calculation of Barriers to Rotation about Ccarbene−N Bonds, Barriers to Dimerization, Proton Affinities, and 13C NMR Shifts (1999) (91)
- A 3,4-trans-Fused Cyclic Protecting Group Facilitates α-Selective Catalytic Synthesis of 2-Deoxyglycosides** (2014) (82)
- Aromatic 4-tetrahydropyranyl and 4-quinuclidinyl cations. Linking Prins with Cope and Grob. (2002) (80)
- Stable aminooxy- and aminothiocarbenes (1998) (73)
- Complexity from simplicity: tricyclic aziridines from the rearrangement of pyrroles by batch and flow photochemistry. (2013) (62)
- Gas-phase basicities of N-methyl substituted 1,8-diaminonaphthalenes and related compounds (1978) (61)
- Advanced organic chemistry. reactions, mechanisms and structure. 3rd edition: By Jerry March. Pp. 1346. Wiley, Chichester. 1985. £46.20 (1985) (52)
- PROTON AFFINITIES AND IONIZATION ENERGIES OF BICYCLIC AMINES AND DIAMINES - THE EFFECTS OF RING STRAIN AND OF 3-ELECTRON SIGMA-BONDING (1981) (51)
- The out,out to out,in Transition for 1,(n+2)-Diazabicyclo[n.3.1]alkanes (1993) (51)
- Design of C2-chiral diamines that are computationally predicted to be a million-fold more basic than the original proton sponges. (2005) (47)
- Bis(N-piperidyl)carbene and its slow dimerisation to tetrakis(N-piperidyl)ethene (1997) (45)
- Preparation of tetraalkylformamidinium salts and related species as precursors to stable carbenes (2001) (44)
- Force field calculations on molecular belts built from cyclohexa-1,4-diene rings (1986) (44)
- Total synthesis of the marine natural product (-)-clavosolide A. (2006) (41)
- Bis(diethylamino)carbene and the mechanism of dimerisation for simple diaminocarbenes. (2004) (41)
- Medium-ring bicyclic compounds and intrabridgehead chemistry (1983) (37)
- The conformational effects of quaternary centres (1990) (35)
- The azulene-to-naphthalene rearrangement revisited: a DFT study of intramolecular and radical-promoted mechanisms. (2003) (34)
- Medium-ring diphosphines from diphosphabicyclo[k.l.0]alkanes: stereoselective syntheses, structure and properties (1998) (31)
- Preparation of a range of NNN′N′-tetrasubstituted 1,8-diaminonaphthalenes (1981) (28)
- Radical-promoted Stone-Wales rearrangements. (2004) (28)
- Intermolecular insertion of an N,N-heterocyclic carbene into a nonacidic C-H bond: Kinetics, mechanism and catalysis by (K-HMDS)2 (HMDS = Hexamethyldisilazide). (2006) (28)
- INSIDE-PROTONATED AND OUTSIDE-PROTONATED IONS FROM 1,6-DIAZABICYCLO[4.4.4]TETRADECANE (1979) (27)
- New synthetic routes to macrocyclic triamines (1992) (27)
- 1,6-Diazabicyclo[4.4.4]tetradecane and its oxidized ions (1979) (25)
- Bridgehead diphosphines in the bicyclo[3.3.3]undecane and bicyclo[4.4.4]tetradecane series: synthesis, structure and properties (1998) (24)
- Conformational control by quaternary centres: theory, database evidence and application to polymers (1998) (24)
- Electron-transfer chain catalysis of substitution reactions (1980) (22)
- Ab initio studies of proton sponges II: 1,6-diazobicyclo[4.4.4]-tetradecane (1995) (22)
- Reaction of a stable N ∴ N bonded radical cation with free radicals generated by pulse radiolysis: exceedingly rapid hydrogen abstraction from C–H bonds (1986) (21)
- THERMOLYSIS OF 2-METHYLAZULENE(1-CARBON-13) AND MECHANISM OF THE AZULENE TO NAPHTHALENE REARRANGEMENT (1979) (20)
- A new class of remote N-heterocyclic carbenes with exceptionally strong σ-donor properties: introducing benzo[c]quinolin-6-ylidene. (2013) (20)
- THE STRUCTURE OF 1,6-DIAZABICYCLO[4.4.4]TETRADECANE AND OF ITS INSIDE PROTONATED ION (1983) (20)
- Superbasic Bridgehead Diphosphines: the Effects of Strain and Intrabridgehead P...P Bonding on Phosphine Basicity (2001) (19)
- Synthesis of medium-ring bicyclic bridgehead diamines from monocyclic diamines via α-aminoammonium ions (1983) (19)
- A case of 2π+2π cycloaddition of two enolate ions at ambient temperature (1990) (18)
- Structures of the radical cation and dication from oxidation of 1,6-diazabicyclo[4.4.4]tetradecane (1985) (17)
- A 1,5-diazabicyclo[3.3.3]undecane derivative with almost planar bridgehead nitrogens (1976) (17)
- Approaches to the total synthesis of lycorine (1969) (17)
- Molecular Structure of 3,3-Diethylpentane (Tetraethylmethane) in the Gas Phase as Determined by Electron Diffraction and ab initio Calculations (1999) (17)
- How big is the pinacol boronic ester as a substituent? (2020) (17)
- Extremely strong but sluggish amine bases (1978) (16)
- Bridgehead phosphorus chemistry: in–out inversion, intrabridgehead P ⋯ P bonding, and reactivity (2001) (16)
- The preparation and reactions of 1,6-diphosphatricyclo[4.4.4.0]tetradecanediium ditrifluoromethanesulfonate (1992) (15)
- 908. An exceptionally powerful oxidant: the ion H3O2+ (1964) (15)
- peri-Interactions in naphthalene derivatives. Low temperature nuclear magnetic resonance study of 1,8-bisdimethylamino- and 1-benzylmethylamino-8-dimethylamino-naphthalene (1973) (15)
- Preparation of poly[(1,1-dipropyl)butane-1,4-diyl], (Pr2CCH2CH2CH2)n, via regiospecific ring opening polymerisation of 3,3-dipropylcyclobutene (1994) (14)
- Synthesis of medium-ring bicyclic diamines by the alkylation and cleavage of cyclic amidines (1982) (14)
- Synthesis and reactions of 1,6-diphosphabicyclo[4.4.0]decane and related molecules (1992) (14)
- Searching for intermediates in Prins cyclisations: the 2-oxa-5-adamantyl carbocation. (2010) (14)
- Fragmentation during the formic acid/formaldehyde (Eschweiler-Clarke) methylation of polyamines (1991) (13)
- Poly(1,1-bis(dialkylamino)propan-1,3-diyl)s; conformationally-controlled oligomers bearing electroactive groups. (2009) (13)
- T(h)-symmetrical N8(C=C)6 and P8(C=C)6; an extraordinary contrast in heterofullerene stability. (2001) (13)
- A stereoselective route to medium-ring cis-1,n-dialkyl-1,n-diphosphacycloalkanes (1996) (13)
- Polymers and oligomers with transverse aromatic groups and tightly controlled chain conformations (1998) (12)
- Medium-ring diphosphines: synthesis and transannular chemistry (1998) (12)
- Estimation of strength of the "three-electron .sigma. bond" of a hexaalkylhydrazine monocation radical (1980) (12)
- Deprotonation of hydrazinium dications in the diazoniapropellane series to form bridgehead iminium ions; external and intramolecular trapping (1984) (12)
- Bond-making in the 1,5-sigmatropic migration of unsaturated groups (1981) (12)
- Can (pi)6 + (pi)4 = 10? Exploring cycloaddition routes to highly unsaturated 10-membered rings. (2010) (11)
- Alkylations with methyl and ethyl fluorosulphonates (1968) (11)
- Reductive cleavage of propellane-type hydrazinium dications as a route to medium-sized ring bicyclic diamines with bridgehead nitrogen atoms (1982) (11)
- Thermal rearrangement of some 1- and 2-substituted azulenes to naphthalenes (1975) (10)
- INTRABRIDGEHEAD HYDROGEN-BONDED IONS - SPECTROSCOPIC CHARACTERISTICS AND THE QUESTION OF SINGLE VS DOUBLE MINIMUM POTENTIALS (1983) (10)
- Bicyclic medium-ring diphosphines: contrasting behaviour in the bicyclo[3.3.3]undecane and bicyclo[4.4.4]tetradecane series (1996) (9)
- Syntheses of medium-ring 1, k+ 2-diazabicyclo[k.l.m.]alkanes by reductive cleavage of hydrazinum dications (1977) (9)
- The thermal rearrangements of azulenes to naphthalenes (1975) (9)
- Strongly basic medium-ring diamines which mimic gas phase behaviour in solution: 1,6-dimethyl-1,6-diazacyclodecane (1988) (9)
- Unexpected reactions of α,β-unsaturated esters with hydrazine hydrate (2001) (9)
- Nitrogen-14 and nitrogen-15 ENDOR studies of intrabridgehead three-electron .sigma.-bonded radical cations. Observation of second-order splittings (1985) (8)
- Stable Carbenes as Strong Bases. (1995) (8)
- Intermediates for the synthesis of linear chains of 1,2:4,5-fused cyclohexa-1,4-diene rings and beltenes by repeated Diels–Alder reactions (1994) (8)
- Kinetic and equilibrium protonation of some alkylated 1,8-diaminonaphthalene monocations to form dications: carbon versus nitrogen protonation (1982) (8)
- N-14 AND N-15 ENDOR STUDIES OF INTRABRIDGEHEAD 3-ELECTRON SIGMA-BONDED RADICAL CATIONS - OBSERVATION OF 2ND-ORDER SPLITTINGS (1985) (8)
- Formation of three- and two-electron σ-bonds by removal of lone pair electrons from a diamine (1977) (8)
- Rearrangement of bifluorenylidene to dibenzo[g,p]chrysene (1975) (8)
- Methyl basicity and nucleophilicity: the N- and O-alkylation of carbamates (1969) (7)
- FORMATION OF INTRABRIDGEHEAD HYDROGEN-BONDED IONS FROM MEDIUM-RING BICYCLIC DIAMINES (1983) (6)
- Attempted equilibration of an insoluble spiran polymer with monomers and oligomers through reversible chemical reactions: transketalization route to spiropolymers from 1,4-cyclohexanedione and pentaerythritol (1994) (6)
- A case of kinetic N- and equilibrium C-protonation in strong acids (1976) (5)
- Some cyclic C9H6 isomers and their potential trefoil aromaticity (1985) (5)
- 1-Azabicyclo[4.4.4.]tetradec-5-ene (1982) (4)
- Synthesis of a hindered C2-symmetric hydrazine and diamine by a crisscross cycloaddition of citronellal azine (2006) (4)
- Evidence for hydrogen-bond enhanced structural anomeric effects from the protonation of two aminals, 5-methyl-1,5,9-triazabicyclo[7.3.1]tridecane and 1,4,8,11-tetraazatricyclo[9.3.1.1 4,8]hexadecane (1999) (4)
- 1,5-Diborabicyclo[3.3.3]undecane; thermolysis of the product from hydroboration of triallylborane with triethylamine–borane (1996) (4)
- Studies of P...P Bonding through Intrabridgehead Chemistry (1993) (3)
- A search for 1,6-didehydro[10]annulenes as reactive intermediates (1971) (3)
- Inside-protonated 1,7-diazabicyclo[5.5.2]tetradecane picrate (1988) (3)
- The 1-azabicyclo[4.4.4]tetradec-6-yl radical: evidence that three-electron C· : N bonding in a neutral radical is very weak (1988) (3)
- Lone-pair ionization energies of diazabicycloalkanes (1985) (3)
- 3× Axial vs 3× Equatorial: The ΔGGA Value Is a Robust Computational Measure of Substituent Steric Effects. (2021) (3)
- When and How Do Diaminocarbenes Dimerize (2005) (3)
- Direct observation of bicyclic α-alkoxyoxonium ions; reductive cleavage to medium-ring diethers (1989) (3)
- Site of protonation and BF3-complex formation of phenols in sulpholan (1970) (2)
- Inside-protonated 1,8-diazabicyclo[6.4.3]pentadecane picrate (1988) (2)
- The H0 function in tetrahydrothiophen 1,1-dioxide (sulpholane) (1966) (2)
- Inside-protonated 1,7-diazabicyclo[5.4.2]tetradecane picrate (1988) (2)
- Diaminocarbenes: Exploring Structure and Reactivity (2002) (2)
- THE PREPARATION AND SOME REACTIONS OF TRICYCLO(4.4.4.0)TETRADECANE‐2,7‐DIONE ((4.4.4)PROPELLANE‐2,7‐DIONE): X‐RAY CRYSTAL STRUCTURE OF 2,7‐BIS(TRIMETHYLSILYLOXY)TETRACYCLO(4.4.4.0.02,7)TETRADECANE (1984) (2)
- PREPARATION OF A RANGE OF N,N,N′,N′-TETRASUBSTITUTED 1,8-DIAMINONAPHTHALENES (1982) (2)
- The Chemistry of the Benz[cd]indazole System. Benz[cd]qindazole 1-Oxide, Benz[cd]indazole 1,2-Dioxide (1,8-Dinitrosonaphthalene), and Related Compounds (1970) (2)
- INSIDE- AND OUTSIDE-PROTONATED IONS FROM 1,6-DIAZABICYCLO(4.4.4)TETRADECANE (1979) (2)
- Inside-protonated 1,7-diazabicyclo[5.5.4]hexadecane p-nitrobenzoate p-nitrobenzoic acid solvate (1988) (2)
- A new azulene synthesis (1971) (1)
- Special properties of di‐ and polyamines (2010) (1)
- Stable Aminooxy- and Aminothiocarbenes. (1999) (1)
- Bis(N-piperidyl)carbene and Its Slow Dimerization to Tetrakis(N- piperidyl)ethene. (1997) (1)
- Perhydrohelicenes and other diamond-lattice based hydrocarbons: the choreography of inversion† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c7sc01759f Click here for additional data file. (2017) (1)
- Synthesis and Reactivity of Cyclic (R3 P-PR3)++ Dications (1992) (1)
- In/Out Isomerism (1997) (1)
- Inside‐protonated 1,7‐diazabicyclo[5.4.3]tetradecane trifluoromethanesulfonate (1988) (1)
- REARRANGEMENT OF BIFLUORENYLIDENE TO DIBENZO(G,P)CHRYSENE (1975) (1)
- Organic Reaction Mechanisms, 1981, A.C. Knipe, W.E. Watts (Eds.). Wiley, New York (1982), 652 (1983) (1)
- Methylation and protonation of 1-aza-5-bora-4,6,11-trioxabicyclo[3.3.3]undecane and 1-aza-5-borabicyclo[3.3.3]undecane (1996) (1)
- (Patais' 1992 guide to the chemistry of functional groups): (1992) (1)
- The design of organic catalysis for epoxidation by hydrogen peroxide (2005) (1)
- Medium-Ring Diphosphines from Diphosphabicyclo[k.l.0]alkanes: Stereoselective Syntheses, Structure and Properties. (1998) (1)
- Superbasic Bridgehead Diphosphines: The Effects of Strain and Intrabridgehead P×××P Bonding on Phosphine Basicity. (2001) (1)
- On the α-ketol and related rearrangements (1971) (1)
- New Synthetic Routes to Macrocyclic Triamines. (1992) (1)
- Synthesis and Reactions of 1,6-Diphosphabicyclo(4.4.0)decane and Related Molecules. (2010) (0)
- A Case of 2π + 2π Cycloaddition of Two Enolate Ions at Ambient Temperature. (1991) (0)
- DEPROTONATION OF HYDRAZINIUM DICATIONS IN THE DIAZONIAPROPELLANE SERIES TO FORM BRIDGEHEAD IMINIUM IONS: EXTERNAL AND INTRAMOLECULAR TRAPPING (1984) (0)
- Preparation of Tetraalkylformamidinium Salts and Related Species as Precursors to Stable Carbenes. (2001) (0)
- The Preparation and Reactions of 1,6‐Diphosphatricyclo(4.4.4.0 1,6) tetradecanediium Ditrifluoromethanesulfonate. (1992) (0)
- A search for redistribution reactions of carbonium ions with boranes and alanes (1974) (0)
- NITROGEN-14 AND NITROGEN-15 ENDOR STUDIES OF INTRABRIDGEHEAD THREE-ELECTRON Σ-BONDED RADICAL CATIONS. OBSERVATION OF SECOND-ORDER SPLITTINGS (1985) (0)
- Preparation and Some Reactions of 4-Methoxy-2,3-dihydrothiophene 1,1- Dioxide. (1995) (0)
- Synthesis and Reactivity of Cyclic (R3P-PR3)++ Dications. (1992) (0)
- Mechanism inorganic chemistry / Roger W. Alder, Ray Baker, John M. Nrown (1982) (0)
- Nucleophilic Aromatic Substitution (2007) (0)
- The preparation and reactions of 1,6-diphosphatricyclo[4.4.4.0]tetradecanium ditriflate (1992) (0)
- 1,6-Diazabicyclo[4.4.0]decane hydrate (1988) (0)
- PROTON AFFINITIES AND IONIZATION ENERGIES OF BICYCLIC AMINES AND DIAMINES. EFFECTS OF RING STRAIN AND OF 3-ELECTRON Σ BONDING (1982) (0)
- Synthesis & reactions of 9,10-diphosphabicyclo[4.4.0]decane and related compounds (1992) (0)
- SYNTHESES OF MEDIUM-RING 1,K + 2-DIAZABICYCLO(K.L.M.)ALKANES BY REDUCTIVE CLEAVAGE OF HYDRAZINUM DICATIONS (1978) (0)
- Organic Chemistry (1973) (0)
- Special Properties of Di- and Polyamides (119 Literaturangaben). (1982) (0)
- PERI-INTERACTIONS IN NAPHTHALENE DERIVATIVES, LOW TEMPERATURE NUCLEAR MAGNETIC RESONANCE STUDY OF 1,8-BISDIMETHYLAMINO- AND 1-BENZYL-METHYLAMINO-8-DIMETHYLAMINO-NAPHTHALENE (1974) (0)
- 1-AZABICYCLO(4.4.4)TETRADEC-5-ENE (1983) (0)
- THERMAL REARRANGEMENT OF 1- AND 2-SUBSTITUTED AZULENES TO NAPHTHALENES (1976) (0)
- Intermediates for the Synthesis of Linear Chains of 1,2:4,5-Fused Cyclohexa-1,4-diene Rings and Beltenes by Repeated Diels-Alder Reactions. (1995) (0)
- Cover Picture: Complexity from Simplicity: Tricyclic Aziridines from the Rearrangement of Pyrroles by Batch and Flow Photochemistry (Angew. Chem. Int. Ed. 5/2013) (2013) (0)
- ELECTRON-SPIN-RESONANCE EVIDENCE FOR THE FORMATION OF [3.3.3]PROPELLANE RADICAL CATION (1981) (0)
- Tetrahedron Report Number 268. Intrabridgehead Chemistry (1990) (0)
- Corrigendum: How Big is the Pinacol Boronic Ester as a Substituent? (2021) (0)
- Clean radical-induced isomerisation of homoadamantane to 1- and 2-methyladamantane (1985) (0)
- Ab initio Studies of Proton Sponges. Part 2. 1,6‐Diazabicyclo(4,4,4) tetradecane. (1996) (0)
- Unexpected Reactions of α,β‐Unsaturated Esters with Hydrazine Hydrate. (2001) (0)
- THERMAL REARRANGEMENTS OF AZULENES TO NAPHTHALENES (1975) (0)
- Titelbild: Complexity from Simplicity: Tricyclic Aziridines from the Rearrangement of Pyrroles by Batch and Flow Photochemistry (Angew. Chem. 5/2013) (2013) (0)
- The preparation and some reactions of 3-methoxy-4,5-dihydrothiophene-1,1-dioxide (1995) (0)
- METHYL FLUOROSULPHATE AS A METHYLATING AGENT (1974) (0)
- Bicyclic Medium-Ring Diphosphines: Contrasting Behavior in the Bicyclo( 3.3.3)undecane and Bicyclo(4.4.4)tetradecane Series. (1996) (0)
- A 1,5‐DIAZABICYCLO(3.3.3)UNDECANE DERIVATIVE WITH ALMOST PLANAR BRIDGEHEAD NITROGENS (1976) (0)
- BICYCLIC MADIUM-RING DIPHOSPHINES : CONTRASTING BEHAVIOUR IN THE BICYCLO3.3.3UNDECANE AND BICYCLO4.4.4TETRADECANE SERIES (1996) (0)
- Fragmentation During the Formic Acid/Formaldehyde (Eschweiler‐Clarke) Methylation of Polyamines. (1992) (0)
- Reaction of a Stable Three‐Electron Bonded N ′ N Radical Cation with Free Radicals Generated by Pulse Radiolysis: Exceedingly Rapid Hydrogen Abstraction from C‐ H Bonds. (1986) (0)
- Bridgehead Phosphorus Chemistry: in—out Inversion Intrabridgehead P×××P Bonding, and Reactivity. (2010) (0)
- 1,6-DIAZABICYCLO(4.4.4)TETRADECANE AND ITS OXIDIZED IONS (1979) (0)
- The out,out to out,in Transition for 1,(n + 2)-Diazabicyclo(n.3.1) alkanes. (1993) (0)
- Hypercarbon chemistry: By G. A. Olah, G. K. S. Prakash, R. E. Williams, L. D. Field and K. Wade. Pp. 311. Wiley, Chichester. 1987. £47.95 (1988) (0)
- Bridgehead Diphosphines in the Bicyclo[3.3.3]undecane and Bicyclo[4.4.4]tetradecane Series: Synthesis, Structure and Properties. (1998) (0)
- Conformational Control by Quaternary Centers: Theory, Database Evidence, and Application to Polymers. (1999) (0)
- Unexpected reactions of alpha,beta-unsaturated esters with hydrazine hydrate (2001) (0)
- Organic reaction mechanisms, 1982: Edited by A. C. Knipe and W. E. Watts. Pp. 360. Wiley, Chichester. 1984. £72.50 (1985) (0)
- REDUCTIVE CLEAVAGE OF PROPELLANE-TYPE HYDRAZINIUM DICATIONS AS A ROUTE TO MEDIUM SIZED RING BICYCLIC DIAMINES WITH BRIDGEHEAD NITROGEN ATOMS (1982) (0)
- OUT-6H-1-AZABICYCLO(4.4.4)TETRADECANE, AN AMINE WITH A HIDDEN LONE PAIR (1980) (0)
- 1,5‐Diborabicyclo(3.3.3)undecane; Thermolysis of the Product from Hydroboration of Triallylborane with Triethylamine‐borane. (1996) (0)
- A Stereoselective Route to Medium-Ring cis-1,n-Dialkyl-1,n- diphosphacycloalkanes. (1996) (0)
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