H. Cerfontain

发表

Aromatic sulfonation 86. Sulfonation of pyrene, 1-methylpyrene and perylene†

H. Cerfontain, K. Laali, H. J. A. Lambrechts, 1983 .

Aromatic sulphonation VII†: Orientation in the homogeneous sulphonation of toluene in aqueous and fuming sulphuric acid‡

H. Cerfontain, F. L. J. Sixma, L. Vollbracht, 2010 .

Aromatic sulfonation XI: Sulfonation of benzene and toluene with sulfur trioxide; sulfone formation and sulfonic acid isomer distribution.

H. Cerfontain, L. Vollbracht, A. Telder, 2010 .

Aromatic sulfonation XIV orientation in the homogeneous sulfonation of t‐butylbenzene in sulfuric acid

H. Cerfontain, J. Arends, 2010 .

Aromatic sulphonation VIII: Partial rate factors in the sulphonation of toluene with aqueous sulphuric acid†

H. Cerfontain, L. Vollbracht, A. Kaandorp, 2010 .

Mechanistic aspects in aromatic sulfonation and desulfonation

H. Cerfontain, 1968 .

The photolysis of Cyclopropanecarbaldehyde at 313 nm and 254 nm in the presence of CIS‐Butene

H. Cerfontain, J. Overwater, 2010 .

Steric control in the photochemical (E)‐(Z) isomerization of some (over)crowded α‐oxo oxime ethers

H. Cerfontain, J. Geenevasen, T. S. Buys, 1985 .

Photochemistry of dienones. Part 13. Photochemistry of the valeryl analogues of (E)‐α‐ and (E)‐β‐ionone; absence of Norrish type II processes

H. Cerfontain, H. V. D. Wel, C. P. Visser, 2010 .

Photochemistry of α-oxo-oximes—VI

P. Baas, H. Cerfontain, 1979 .

The Photoelectronspectra of Halogen Substituted Glyoxals

H. Cerfontain, J. Kelder, H. U. V. Piggelen, 1978 .

Photochemistry of dienones. Part 12. Photochemistry of (E)‐α‐ and (E)‐β‐damascone

H. Cerfontain, C. P. Visser, 2010 .

Photochemical behaviour of cyclic s-cis α-oxo oxime ethers. Ab-initio investigation on ethanedial monooxime as model compound†

H. Cerfontain, A. Sevin, F. Stunnenberg, 2010 .

Sulfonation of 1, 2‐(methylenedioxy)benzene, 1, 2‐(ethylenedioxy)benzene, 2‐methylanisole, 2, 3‐dihydrobenzofuran, chromane, benzo‐15‐crown‐5 and dibenzo‐30‐crown‐10 in concentrated sulfuric acid and with sulfur trioxide

H. Cerfontain, H. R. W. Ansink, 2010 .

REACTIONS OF SULFUR TRIOXIDE WITH BENZENE DERIVATIVES CONTAINING A DEACTIVATING OXY SUBSTITUENT

H. Cerfontain, H. R. W. Ansink, 2010 .

Ultraviolet Spectrometric Determination of Mixtures of Arylsulfonic Acids.

I. S. Herschberg, H. Cerfontain, J. Arends, 1964 .

Kinetics of the desulfonation of benzenesulfonic acid and the toluenesulfonic acids in aqueous sulfuric acid

H. Cerfontain, A. Wanders, 2010 .

Photochemistry of α-oxo oximes. Part 10: Photochemistry of three cyclic α-oxo oxime methyl ethers and their acyclic analogue at λ 254 nm†

H. Cerfontain, J. Geenevasen, T. S. Buys, 2010 .

Photochemistry of α-bis(methoxyimino)alkanes

H. Cerfontain, F. Stunnenberg, 2010 .

Reactions of α-aryl carbonyl compounds with lithium ester enolates

H. Cerfontain, J. Geenevasen, R. V. Veen, 1984 .

Photochemistry and spectroscopy of three α‐oxo oxime ethers: 4‐(methoxyimino)‐2,2,3,3‐tetramethylcyclobutanone, 3,3,5‐trimethyl‐4(5H)‐isoxazolone and 6‐(benzyloxyimino)‐2,2,5,5‐tetramethylcyclohexanone

H. Cerfontain, J. Geenevasen, F. Stunnenberg, 2010 .

Photochemistry of α-Oxo Oximes. Part 10. Photochemistry of Three Cyclic α-Oxo Oxime Methyl Ethers and Their Acyclic Analogue at . lambda. 254 nm.

H. Cerfontain, J. Geenevasen, T. S. Buys, 2010 .

Photochemistry of dienones. Part 11. Photochemistry of the pivaloyl analogues of (E)‐α‐ and (E)‐β‐ionone

H. Cerfontain, H. V. D. Wel, C. P. Visser, 2010 .

The UV absorption and He1 and He11 photoelectron spectra of some (E)‐ and (Z)‐α‐oxo oxime O‐methyl ethers and related compounds

H. Cerfontain, J. Louwen, T. S. Buys, 1986 .

Photochemistry of α-oxo-oximes. Part 5. Photolysis of 3-ethoxyiminobutan-2-one

P. Baas, H. Cerfontain, 1979 .

Photochemistry of α-oxo-oximes. Part 3. Photoisomerization of some α-oxo-oxime ethyl ethers

P. Baas, H. Cerfontain, 1979 .

Photochemistry of α-oxo-oximes. Part 4. Spectral properties, conformations, and photoisomerization of α-oxo-oximes and their acetates

P. Baas, H. Cerfontain, 1979 .

Photochemistry of α-oxo-oximes. Part 7. Photolysis of some α-oxo-oxime esters

P. Baas, H. Cerfontain, 1979 .

Photochemistry of α-oxo-oximes. Part 1. Photoisomerization of biacetyl mono-oxime ethyl ether

P. Baas, H. Cerfontain, 1977 .

The photochemistry of some cycloalkanecarbaldehydes in inert solvents

H. Cerfontain, J. Geenevasen, J. Boer, 1976 .

Synthesis and properties of a series of strained [2.2]paracyclophane‐4,15‐disulfonimides

H. Cerfontain, B. Bakker, J. Doorn, 2010 .

The photochemistry of α-aryl carboxylic anhydrides—II : Photolysis of some substituted phenylacetic anhydrides☆

H. Cerfontain, A. Roof, H. V. Woerden, 1976 .

Sulfonation of Alkenes by Chlorosulfuric Acid, Acetyl Sulfate, and Trifluoroacetyl Sulfate

H. Cerfontain, B. Bakker, 1999 .

Photochemical reactions of 1‐acetyl‐3‐methylbicyclo[1.1.0]butane

H. Cerfontain, J. Geenevasen, 2010 .

Stereochemical aspects in mass spectrometry: Comparison of the mass spectra of some (E)‐ and (Z)‐ionone and ‐ionol derivatives

H. Cerfontain, N. Nibbering, A. Wageningen, 2010 .

Photochemistry of dienones-VIII

H. Cerfontain, J. Geenevasen, 1981 .

Photochemistry of dienones. Part IX. Photochemistry of (E)‐ and (Z)‐α‐ionone

H. Cerfontain, C. P. Visser, 1981 .

Photochemistry of dienones. Part 141. The photochemistry of some 9‐demethylated ionyl and ionylidene compounds; a search for, and an example of, η‐hydrogen abstraction

H. Cerfontain, J. Geenevasen, R. Jorritsma, 2010 .

The photochemistry of α-aryl carboxylic anhydrides

H. Cerfontain, A. Roof, H. V. Woerden, 1975 .

Sulphonation of polymethylbenzensulphonic acids

H. Cerfontain, A. Prinsen, A. Koeberg-Telder, 1970 .

1,3,5‐Hexatriene photochemistry. The photo‐isomerization of (Z)‐3‐(6′,6′‐dimethyl‐2′‐methylenecyclohexylidene)‐1‐propene

H. Cerfontain, J. Geenevasen, 2010 .

Aromatic sulphonation VI: A kinetic study on the sulphonation and dealkylation of t‐butylbenzene in concentrated aqueous sulphuric acid

H. Cerfontain, F. L. J. Sixma, A. Kaandorp, 2010 .

Aromatic sulphonation—80: Sulphur trioxide sulphonation of some tri- and tetra-methylnaphthalenes

H. Cerfontain, H. J. A. Lambrechts, 1982 .

Photochemistry of .beta.,.gamma.-enones. 7. Intramolecular competition between di-.pi.-methane and oxa-di-.pi.-methane rearrangements. On the intermediary of charge-transfer complexes and zwitterions in the di-.pi.-methane rearrangements

H. Cerfontain, R. Veen, C. Kruk, 1983 .

Intramolecular competition between the di-π-methane and the oxa-di-π-methane rearrangements in a triplet-excited β, γ, β1, γ1-dienone.†

H. Cerfontain, R. Veen, C. Kruk, 1982 .

Photochemistry of non-conjugated dienones. Part V. Photolysis of (E)-β-ionone and its isomeric α-pyran

H. Cerfontain, J. Geenevasen, A. Wageningen, 1975 .

Mechanistic photochemical studies on the 1,3‐acyl shift and oxa‐di‐π‐methane rearrangement of two β,γ·γ′,δ′‐dienones

H. Cerfontain, M. Koppes, 2010 .

Photochemistry of α‐oxo oximes. Part 11: Photochemical E‐Z isomerization of two 2‐(methoxyimino)‐1‐indanones. Evidence for excimer formation upon direct excitation at λ 300 nm

H. Cerfontain, J. Geenevasen, T. S. Buys, 2010 .

UV spectroscopy and structures of α‐bis(methoxyimino)alkanes

H. Cerfontain, K. Goubitz, C. H. Stam, 2010 .

Spectroscopy and photochemistry of a series of alkyl-substituted o- and p-benzoquinones and their mono-oxime O-methyl ethers†

H. Cerfontain, F. Stunnenberg, R. Rexwinkel, 2010 .

Photochemistry of dienones—X: Photochemistry of (e)-β-ionone oxime ethyl ether

P. Baas, H. Cerfontain, P. V. Noort, 1981 .

Photochemistry of α-oxo-oximes. Part 2. Irradiation of 4-ethoxyimino-2,6-dimethylheptan-3-one: A novel type II cyclobutanol formation☆

P. Baas, H. Cerfontain, 1978 .

Photochemistry of two diphenyl β,γ‐enones and a series of methyl‐ and phenyl‐substituted α‐phenyl ketones

H. Cerfontain, M. Koppes, Astrid M. Crabbendam, 2010 .

Electrophilic substitution of two monohomoperylenes and perylene

H. Cerfontain, A. Koeberg-Telder, U. Lerch, 2010 .

Aromatic sulphonation II: Orientation in the sulphonation of toluene

H. Cerfontain, F. L. J. Sixma, L. Vollbracht, 2010 .

Reactivity and regioselectivity in the reaction of allylsilanes and some analogous all‐carbon alkenes with sulfur trioxide

H. Cerfontain, J. B. Kramer, B. Bakker, 2010 .

Reactions of cumulated and conjugated dienes with sulfur trioxide

H. Cerfontain, B. Bakker, R. M. Schonk, 2010 .

AROMATIC SULFONATION. 82. SULFONATION OF A SERIES OF BROMO- AND METHYLPHENANTHRENES WITH SULFUR TRIOXIDE

H. Cerfontain, H. J. A. Lambrechts, K. Laali, 1982 .

Solutes in sulfuric acid. Part VIII. Protonation of phenol, 4‐fluorophenol and the 2‐ and 4‐sulfonates of anisole and phenol in concentrated aqueous sulfuric acid; determination of pKa values by means of 13C NMR

H. Cerfontain, H. J. A. Lambrechts, A. Koeberg-Telder, 2010 .

Solutes in sulphuric acid—V

H. Cerfontain, P. K. Maarsen, R. Bregman, 1974 .

Solutes in sulfuric acid 4: Ionization of arenesulfonic acids; determination of pKa values by UV techniques

H. Cerfontain, B. Schnitger, 1972 .

On the lower excited electronic states of glyoxal

H. Cerfontain, J. Kelder, J. K. Eweg, 1974 .

Aromatic isomerizations and related reactions. Part 6 Reactions of the tetra‐ and pentamethylbenzenesulfonic acids and hexamethylbenzene in concentrated sulfuric acid; the mechanism of the Jacobsen reaction

H. Cerfontain, A. Koeberg-Telder, 2010 .

Photochemistry of non-conjugated dienones II: electrocyclic reactions of some 1,2-dimethylenecyclohexanes

H. Cerfontain, A. Roof, C. Kruk, 1972 .

Synthesis of Retro-γ-Ionols and the Corresponding-Ionones1

H. Cerfontain, A. Roof, A. Wageningen, 1975 .

SYNTHESIS OF SOME NON‐CONJUGATED DIENONES IN THE RETRO‐ALPHA‐IONONE SERIES

H. Cerfontain, P. V. Noort, F. W. M. Wielen, 1974 .

PMR-spectra of some diastereoisomeric ionol isomers in the presence of EUIII-2,2,6,6-tetramethylheptadionate

H. Cerfontain, A. Roof, C. Kruk, 2010 .

Aromatic sulphonation. Part 91. The sulphonation of anisole, phenol, phenyl methanesulphonate, potassium phenyl sulphate, and a series of methyl-, bromo-, and chloro-substituted anisoles and phenols in concentrated aqueous sulphuric acid

H. Cerfontain, H. J. A. Lambrechts, R. Coombes, 1985 .

Aromatic sulphonation. Part 92. Sulphonation of the three methylphenols and the six dimethylphenols in concentrated aqueous sulphuric acid; and the lsomerization of some of the resulting sulphonic acids and of m-xylene-2-and o-xylene-3-sulphonic acid

H. Cerfontain, H. J. A. Lambrechts, Z. R. H. Schaasberg-Nienhuis, 1985 .

Aromatic sulfonation X: Determination of the kinetic isotope effect of hydrogen in the sulfonation and sulfonylation of benzene remarks on hydrogen exchange between benzene and benzenesulfonic acid

H. Cerfontain, A. Telder, H. Hofman, 2010 .

Aromatic sulphonation IV Kinetics and mechanism of the sulphonation of benzene in aqueous sulphuric acid

H. Cerfontain, F. L. J. Sixma, A. Kaandorp, 2010 .

Photochemical isomerizations of 2‐vinyl‐2‐phenylcyclohexanone; ketene, alkenal and 1,3‐acyl shift product formation from the excited singlet state

H. Cerfontain, M. Koppes, 1988 .

Sulfonation of [2.2]paracyclophane; structures and modes of formation of the products

H. Cerfontain, H. C. A. V. Lindert, A. Koeberg-Telder, 2010 .

Conformational studies of trimethylene sulfite and related compounds III the conformational energy of substitutes at carbon atom 2

H. Cerfontain, H. V. Woerden, C. Green, 1968 .

Photochemical and Lewis-acid-catalyzed rearrangement of 1-phenyl-4-methyl-3,6-dioxabicyclo[3.1.0]hexan-2-one into its tetronic acid isomer†

H. Cerfontain, M. Caus, J. F. Piniella, 1983 .

Slow proton transfer in the nitration of anthracene; determination of the kinetic isotope effect of hydrogen in the nitration of naphthalene and anthracene with nitronium tetrafluoroborate

H. Cerfontain, A. Telder, 1967 .

Kinetics of the isomerization of toluenesulfonic acids in aqueous sulfuric acid

H. Cerfontain, C. Kort, A. Wanders, 2010 .

Aromatic protonation. 5. Diprotonated 1,6-methano[10]annulene. NMR evidence for a cyclopropyldicarbinyl dication moiety

K. Lammertsma, H. Cerfontain, 1980 .

Aromatic sulphonation V: A kinetic study on the sulphonation of toluene, ethylbenzene and isopropylbenzene in aqueous sulphuric acid

H. Cerfontain, F. L. J. Sixma, A. Kaandorp, 2010 .

Aromatic sulphonation I sulphonation of benzene and toluene in aqueous sulphuric acid: (Preliminary communication)

H. Cerfontain, F. L. J. Sixma, A. Kaandorp, 2010 .

Sulfonation of anisole, phenol, toluene and related alkyl and alkoxy derivatives with SO3. The influence of the solvent system on the reactivity and the sulfonic acid product distribution

H. Cerfontain, H. R. W. Ansink, 2010 .

Acid-catalyzed transfer sulfonation of anisole using overcrowded polymethylbenzenesulfonic acids†‡

H. Cerfontain, A. Koeberg-Telder, 2010 .

Solutes in sulfuric acid. Part VII. Ionization of benzenesulfonic acid; determination of pKBH by 13C NMR

H. Cerfontain, C. Kruk, A. Koeberg-Telder, 1975 .

Aromatic sulphonation. Part 56. The rearrangement of phenylsulphamic acid to aniliniumsulphonic acids in concentrated sulphuric acid: evidence for an intermolecular reaction pathway

H. Cerfontain, P. K. Maarsen, 1977 .

The photochemistry of benzotricyclo[3.1.0.02,6]Hex-3-ene1

H. Cerfontain, P. V. Noort, Arjan P. Konwenhoven, 1981 .

Aromatic sulfonation. 88. Protonation and sulfur trioxide sulfonation of some 1,6-methano[10]annulenes

H. Cerfontain, H. J. A. Lambrechts, H. Goossens, 1984 .

The radical induced oxidation of acetaldehyde

H. Cerfontain, 2010 .

The photolysis of cyclopropanecarbaldehyde at 313 nm, a possible example of triplet‐triplet annihilation

H. Cerfontain, J. Overwater, 2010 .

The photolysis of cyclopropylaldehyde: (Preliminary communication)

H. Cerfontain, J. Overwater, H. Hofman, 2010 .

The Photo-oxidation of Azoethane

H. Cerfontain, K. Kutschke, 1962 .

THE PHOTOLYSIS OF AZOETHANE

H. Cerfontain, K. Kutschke, 1958 .

Photochemistry of β,γ-enones. VIII: On the remarkable photostability of some β,γ-β',γ'-dienones and the 1,3-acyl shift photoreactivity of two β,γ-γ',δ'-dienones

H. Cerfontain, R. Veen, 1985 .

Photochemical reactivities of cyclic α‐phenyl‐β,γ‐enones. Singlet 1,3‐acyl shift, decarbonylation and unquenchable oxa‐di‐π‐methane reactions upon direct irradiation

H. Cerfontain, M. Koppes, 2010 .

Photochemistry of α,α,ω,ω-tetramethyl-1,2-cycloalkanediones; influence of the conformation of the diketo moiety on the photochemical behaviour†

H. Cerfontain, P. Verheijdt, 2010 .

On the luminescence and photochemistry of the lower excited electronic states of some acyclic 1,2-diketones†

H. Cerfontain, P. Verheijdt, L. A. Sarphatie, 1983 .

Observations on neutron-deficient rhodium isotopes

H. Cerfontain, A. Aten, W. Dzcubas, 1952 .

On the radioactive decay of 112Pd and 112Ag

A. H. Wapstra, H. Cerfontain, R. H. Nussbaum, 1953 .

Aromatic Sulfonation. Part XVI: Sulfonation of naphthalene and its monosulfonic acids in concentrated aqueous sulfuric acid

H. Cerfontain, A. Telder, 2010 .

Aromatic protonation—4

H. Cerfontain, F. V. D. Griendt, 1981 .

Photochemistry of α-oxo oximes. Part 9. The γ-hydrogen abstraction in α-oxo oxime ethers†

H. Cerfontain, J. Geenevasen, T. S. Buys, 1986 .

Reaction of (di)methoxynaphthalenes and 2,3‐(ethylenedioxy)naphthalene with sulfur trioxide

H. Cerfontain, H. R. W. Ansink, E. D. Graaf, 2010 .

Dipole moments, spectroscopy, and ground and excited state conformations of cycloalkane-1,2-diones

H. Cerfontain, P. Verheijdt, 1983 .

Solutes in sulfuric acid. Part IX. Effect of para‐substitution on the ionization of the oxonium ions of phenol and anisole

H. Cerfontain, H. J. A. Lambrechts, 2010 .

The photolysis of Cyclopropanecarbaldehyde at 254 nm

H. Cerfontain, J. Overwater, 2010 .

Reaction of carbon suboxide with alkylidenetriphenylphosphoranes: (Short communication)

H. Cerfontain, H. V. Woerden, Clara F. van Valkenburg, 2010 .

Aromatic sulfonation 20: The sulfonation of some chlorobenzenes with sulfur trioxide in nitromethane as solvent

H. Cerfontain, J. Bosscher, 2010 .

On the positional reactivity order in the sulfuric acid sulfonation of the two naphthalenesulfonic acids

H. Cerfontain, P. D. Wit, 1983 .

Aromatic sulphonation. Part 75. Intramolecular kinetic isotope effects of hydrogen in the aprotic sulphonation of 1,2,4,5-tetramethylbenzene, naphthalene, and 1,6-methano[10]annulene. Implications for the mechanism of the sulphur trioxide sulphonation

K. Lammertsma, H. Cerfontain, 1980 .

Aromatic sulphonation. Part XL. Rates of sulphonation ortho, meta, and para to a sulphonic acid group in methyl substituted benzenesulphonic acids

H. Cerfontain, A. Koeberg-Telder, 1973 .

Aromatic sulphonation with sulphur trioxide in trichlorofluoromethane as a solvent

Hans Cerfontain, H. Cerfontain, J. K. Bosscher, 1968 .

Sulfur trioxide sulfonation of aromatic hydrocarbons

H. Cerfontain, 2010 .

Aromatic sulfonation. 90. Sulfonation of three symmetrical 2,6-dialkylphenols, 2,6-dimethylanisole. Sulfation and sulfonation product distributions and mechanisms

H. Cerfontain, H. J. A. Lambrechts, P. D. Wit, 1984 .

Aromatic sulphonation III: Sulphonation of benzenesulphonic acid and m‐toluenesulphonic acid in fuming sulphuric acid

H. Cerfontain, 2010 .

Aromatic sulfonation 28: Degree of ortho-substitution in the sulfonation of toluene with sulfur trioxide, methanepyrosulfonic acid and fuming sulfuric acid. A mechanistic picture†

H. Cerfontain, A. Koeberg-Telder, 2010 .

Complex formation between organic nitro compounds and sulfur trioxide

H. Cerfontain, A. Koeberg-Telder, 1970 .

Aromatic sulfonation. Part 30: Sulfonation of anthracene with sulfur trioxide‐dioxane; slow proton transfer in the formation of 9‐anthracenesulfonic acid

H. Cerfontain, A. Koeberg-Telder, 2010 .

Aromatic sulfonation XIII determination of the kinetic isotope effect of hydrogen in the sulfonation and sulfonylation of benzene

H. Cerfontain, A. Telder, 2010 .

Aromatic sulfonation. Part 33: Effects of sulfonic acid addenda upon the isomer distribution in the sulfonation of toluene with sulfuric acid

H. Cerfontain, C. Ris, 2010 .

Aromatic sulfonation 84. Sulfonation of bi‐ and tri‐phenylene

H. Cerfontain, H. J. A. Lambrechts, K. Laali, 2010 .

Sulfonation of trans-10b,10c-dimethyl-10b,10c-dihydropyrene and its 2,7-di-tert-butyl derivative with sulfur trioxide†

R. H. Mitchell, H. Cerfontain, M. Tashiro, 1996 .

Reactions of overcrowded polymethylbenzenedisulfonic acids in concentrated aqueous sulfuric acid; protiodesulfonation and intramolecular sulfonic anhydride formation

H. Cerfontain, A. Koeberg-Telder, 1982 .

Isomerization, disproportionation, methylation and sulfonylation in the reaction of polyalkylbenzenes with methanesulfonic acid

H. Cerfontain, E. Willard, 1973 .

Reactions of a series of methyl ethers of the trihydroxybenzenes and three dimethoxyphenyl methanesulfonates with sulfur trioxide. The effect of initial sulfation on the sulfonation product distribution

H. Cerfontain, H. R. W. Ansink, A. Koeberg-Telder, 2010 .

Aromatic sulfonation 85. Halogen directing and steric effects in the sulfonation of the twelve halogenotoluenes and some related compounds

H. Cerfontain, H. J. A. Lambrechts, P. D. Wit, 2010 .

Aromatic sulfonation. Part XIX: Two mechanisms of sulfonation in aqueous sulfuric acid†

H. Cerfontain, C. Kort, 2010 .

On the positional reactivity order in the sulfonation of phenyl‐and naphthyl‐substituted naphthalenes with SO3

H. Cerfontain, B. Bakker, You-si Zou, 1994 .

REVERSIBILITY IN THE SULFONATION OF 3,5-DIMETHOXYPHENOL AND ITS METHANESULFONATE ESTER

H. Cerfontain, H. R. W. Ansink, 1991 .

Ring inversion in some fully α‐methylated cycloalkane‐1,2‐diones

H. Cerfontain, C. Kruk, Paul L. Verheidt, 2010 .

Photoreactions of trans‐10b,10c‐Dimethyl‐10b,10c‐dihydropyrenes

R. H. Mitchell, H. Cerfontain, B. Bakker, 1997 .

Photoreactions of trans-10b,10c-Dimethyl-10b,10c-dihydropyrenes.

R. H. Mitchell, H. Cerfontain, B. Bakker, 1997 .

Quantitave nuclear magnetic resonance analysis of mixtures of isomeric arenesulfonic acids in sulfonation mixtures

H. Cerfontain, C. Kruk, C. Ris, 1974 .

Reactions of styrene and derivatives with sulfur trioxide; characterization and chemistry of the initial products

H. Cerfontain, B. Bakker, R. M. Schonk, 2010 .

Reactions of ω-phenylalkenes with sulfur trioxide; sulfonation and Friedel-Crafts type of cyclization†

H. Cerfontain, B. Bakker, R. M. Schonk, 2010 .

Sulfonation and sulfation in the reactions of the chloro- and dichlorophenols, 3-fluorophenol and (2,3-, 2,4- and 3,4-dichlorophenoxy)acetic acid with concentrated aqueous sulfuric acid and sulfur trioxide†‡§

H. Cerfontain, P. D. Wit, 2010 .

Sulfonation and sulfation on reaction of 1,2‐dihydroxybenzene and its methyl ethers in concentrated aqueous sulfuric acid

H. Cerfontain, A. Koeberg-Telder, N. J. Coenjaarts, 2010 .

Reactions of the dihydroxybenzenes and their methyl ethers with sulfur trioxide. The effect of initial sulfation on the sulfonation product distribution

H. Cerfontain, A. Koeberg-Telder, N. J. Coenjaarts, 2010 .

Sulfur trioxide sulfodeprotonation of the rigidly bridged 1,6:8,13‐propane‐1,3‐diylidene[14]annulene

H. Cerfontain, P. D. Wit, C. Kruk, 2010 .

On the intermediacy of phenyl hydrogen sulfates in the sulfonation of phenols. Sulfonation of phenol, anisole, methyl phenyl sulfate, the 2‐halogenophenols, a series of phenyl methanesulfonates together with 2,6‐dimethylaniline and its N‐methylsulfonyl derivative

H. Cerfontain, P. D. Wit, A. Woldhuis, 2010 .

Sulfonation of a series of naphthalenes containing two different oxy substituents

H. Cerfontain, H. R. W. Ansink, Erwin Zelvelder, 2010 .

Sulfonation of 1- and 2-naphthol and their methanesulfonate esters with sulfur trioxide. The influence of initial sulfation on the sulfo-product composition†‡

H. Cerfontain, H. R. W. Ansink, Erwin Zelvelder, 2010 .

Aromatic Sulfonation, 131.† Formation of Sulfonic Acids and Sulfonic Anhydrides in the Sulfur Trioxide Sulfonation of Some Dialkylbenzenes and 1,ω-Diarylalkanes

H. Cerfontain, B. Bakker, H. C. A. V. Lindert, 1997 .

Reaction of Cyclopropylbenzene and Cyclopropylphenylketone with sulfur trioxide 1-3

H. Cerfontain, W. Ansink, 1995 .

SULFUR TRIOXIDE SULFONATION OF DIPHENYL ETHER, DIPHENYL SULFIDE, DIBENZO[B, E][1, 4]DIOXIN, AND XANTHENE

H. Cerfontain, B. Bakker, P. D. Wit, 1994 .

Aromatic Sulfonation, 130. – Relative Intramolecular Reactivity of the Insulated π Double Bond and the 14π Annulene Perimeter toward Sulfur Trioxide in the Sulfonation of Isopyrenes

H. Cerfontain, B. Bakker, A. Koeberg-Telder, 1997 .

Dimethylsulfonio-and sulfo-de-hydrogenation on reaction of azuleno[2,18-ija]azulene (isopyrene) with the dimethyl sulfoxide-sulfur trioxide complex as reagent

E. Vogel, H. Cerfontain, A. Koeberg-Telder, 1994 .

Intramolecular competition in Friedel‐Crafts sulfocyclization of ω‐(1‐naphthyl)‐n‐alkenes and 1,7‐diphenyl‐3‐heptene on reaction with sulfur trioxide

H. Cerfontain, B. Bakker, R. M. Schonk, 1993 .

Aromatic sulfonation. Part 120. Reaction of dihydroxy- and dimesyloxy-naphthalenes with sulfur trioxide in nitromethane. Directing effects and the influence of initial sulfation on the product distributions

H. Cerfontain, H. R. W. Ansink, E. D. Graaf, 1993 .

Reactions of methylenecycloalkanes and cycloalkylidenecycloalkanes with sulfur trioxide

H. Cerfontain, A. Meijere, B. Bakker, 1993 .

Sulfonation and sulfation in reactions of C‐methylated phenols and anisoles with sulfur trioxide. 4‐Substituted phenyl hydrogen sulfates: Effective reagents for transsulfonation

H. Cerfontain, H. J. A. Lambrechts, H. Goossens, 1988 .

The sulfonation and protonation of a series of azulenes. Observation of stable σ‐complexes in the sulfonation of 4,6,8‐trimethylazulene, guaiazulene and bis(3‐guaiazulenyl)methane

H. Cerfontain, P. D. Wit, 1985 .

Kinetics and Mechanism of the Sulfonation of 2-Phenyl-1-ethanesulfonic acid

H. Cerfontain, A. Koeberg-Telder, Z. R. H. Nienhuis, 1973 .

Kinetics of Sulfonation of Phenylmethanesulfonic Acid

W. J. Spillane, H. Cerfontain, Z. R. H. Nienhuis, 1972 .

Sulfonation and Isomerization of some Halogenobenzenesulfonic Acids

H. Cerfontain, A. Koeberg-Telder, W. A. Z. Voorspuy, 1972 .

The Ultraviolet Spectrometric Determination of the Three Isomeric Toluenesulfonic Acids in Excess of Aqueous Sulfuric Acid.

H. Cerfontain, L. Vollbracht, H. J. Duin, 1963 .

Aromatic sulphonation. Part XXII. Kinetic isotope effects in the reaction of [1,3,5-2H3]benzene with sulphur trioxide: competitive sulphonation of benzene and toluene

H. Cerfontain, J. Bosscher, 1968 .

Sultone formation in the sulphonation of 9--butylanthracene; an unusual rearrangement of the sultone involving the -butyl group.

H. Cerfontain, F. V. D. Griendt, 1978 .

Reactions of β-sultones and carbyl sulfates with nucleophiles†‡

H. Cerfontain, B. Bakker, R. M. Schonk, 2010 .

Sulfonation of norbornene with sulfur trioxide

H. Cerfontain, B. Bakker, R. M. Schonk, 2010 .

Sulfonation of alkenes with sulfur trioxide; reversible stereospecific β-sultone formation

H. Cerfontain, B. Bakker, 1989 .

Sulfonation of alkenes with an excess of sulfur trioxide. Stereospecific formation of carbyl sulfates

H. Cerfontain, B. Bakker, 1987 .

Sulfonation of alkenes with sulfur trioxide; stereospecific β-sultone formation

H. Cerfontain, B. Bakker, 1987 .

REACTIONS OF ALKENES AND ω-PHENYLALKENES WITH SULFUR TRIOXIDE; SULFONATION AND FRIEDEL-CRAFTS TYPE OF CYCLIZATION

H. Cerfontain, B. Bakker, R. M. Schonk, 1991 .

Aliphatic Sulfonation. Part 4. Sulfonation of Alkenes with Sulfur Trioxide: Reversible Stereospecific β-Sultone Formation.

H. Cerfontain, B. Bakker, 1990 .

Aliphatic sulfonation. 3. Reactions of adamantylidenealkanes and cyclopropylidenealkanes with sulfur trioxide

H. Cerfontain, B. Bakker, H. P. M. Tomassen, 1989 .

Aliphatic Sulfonation. Part 1. Sulfonation of Alkenes with Sulfur Trioxide. Stereospecific β‐Sultone Formation.

H. Cerfontain, B. Bakker, 1987 .

Aliphatic Sulfonation. Part 2. Sulfonation of Alkenes with an Excess of Sulfur Trioxide. Stereospecific Formation of Carbyl Sulfates.

H. Cerfontain, B. Bakker, 1987 .

Aromatic sulphonation. Part 79. Sulphonation of some (poly)methylanthracenes with dioxan–sulphur trioxide complex in dioxan

H. Cerfontain, C. P. Visser, F. V. D. Griendt, 1980 .

Aromatic sulphonation. Part 74. Sulphonation of some 9-alkenylanthracenes and the corresponding benzenes with dioxan–SO3

H. Cerfontain, F. V. D. Griendt, 1980 .

Aromatic Sulphonation. Part 72. Behaviour of Some 9‐Alkylanthracenes Containing 2 α‐Hydrogens and 0‐3 β‐Hydrogens in the Side‐chain with Dioxan‐Sulphur Trioxide in Dioxan as Sulphonating Medium; Mechanism for Alkyl Side‐chain Reduction and Subsequent Sulphonation.

H. Cerfontain, F. V. D. Griendt, 1980 .

Aromatic sulphonation. Part 73. Behaviour of three 9-alkylanthracenes containing one side-chain α-hydrogen in dioxan–SO3 complex in dioxan as sulphonating medium

H. Cerfontain, F. V. D. Griendt, 1980 .

Aromatic Sulfonation. Part 118. Sulfonation of 1- and 2-Naphthol and Their Methanesulfonate Esters with Sulfur Trioxide. The Influence of Initial Sulfation on the Sulfo-Product Composition.

H. Cerfontain, H. R. W. Ansink, Erwin Zelvelder, 1993 .

On the relative reactivity of the C C double bond and the [10] annulene moiety versus SO3†

H. Cerfontain, H. J. A. Lambrechts, 2010 .

Photochemical reactivity of α‐phenyl β,γ‐enones. Singlet 1,3‐acyl shift, triplet aromatic di‐π‐methane (DPM) rearrangement and triplet aryl‐carbonyl bridging

H. Cerfontain, P. Beentjes, M. Koppes, 2010 .

Photochemical oxetan formation: the Paterno–Büchi reaction of aliphatic aldehydes and ketones with alkenes and dienes

H. Cerfontain, C. Funke, 1976 .

Aromatic sulfonation 31: (Isomer distribution in the homogeneous sulfonation of toluene with sulfur trioxide and some acidic sulfonating reagents)

H. Cerfontain, M. P. V. Albada, A. Koeberg-Telder, 2010 .

Fuming sulphuric acid: Dependence of the concentration of sulphur trioxide and its activity coefficient on the composition of oleum

H. Cerfontain, 2010 .

Solubility of aromatic hydrocarbons in aqueous sulfuric acid

H. Cerfontain, 2010 .

The solubility of toluene and benzene in concentrated aqueous sulfuric acid; implications to the kinetics of aromatic sulfonation

H. Cerfontain, A. Telder, 2010 .

Aromatic sulfonation. Part 24: Kinetics and mechanism of the sulfonation of o‐ and m‐xylene in aqueous sulfuric acid

H. Cerfontain, A. Prinsen, 2010 .

Photoelectron and ultraviolet absorption spectra of cyclopropyl conjugated 1,2-diketones

D. R. Lloyd, H. Cerfontain, J. Kelder, 1974 .

Orientation in Aromatic Nitration Reactions

John D. Roberts, H. Cerfontain, F. L. J. Sixma, 1954 .

Aromatic Sulfonation 26: Kinetics and mechanism of the sulfonation of some polyfluorobenzenes in fuming sulfuric acid

H. Cerfontain, C. Kort, 1969 .

Nitration. Methods and Mechanisms. G. A. Olah, R. Malhotra and S. C. Narang. VCH Publishers, Weinheim, 1989. XII + 330 pp., DM 145.00/£52.00. ISBN 0-89573-144-4

H. Cerfontain, 2010 .

Helium I and helium II photoelectron and CNDO/S and MNDO MO calculations of some bridged [10]annulenes

R. R. Andréa, H. Cerfontain, H. J. A. Lambrechts, 1984 .