cached image

Egbert Havinga, Ph.D. - Publications

Affiliations: 
Chemistry Leiden University, Leiden, Netherlands 
Area:
organic chemistry
Website:
http://www.dwc.knaw.nl/biografie/pmknaw/?pagetype=authorDetail&aId=PE00000714

81 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
1981 Jacobs HJC, Gielen JWJ, Havinga E. Effects of wavelength and conformation on the photochemistry of vitamin D and related conjugated trienes Tetrahedron Letters. 22: 4013-4016. DOI: 10.1016/S0040-4039(01)82052-9  1
1981 Van Riel HCHA, Lodder G, Havinga E. Photochemical methoxide exchange in some nitromethoxybenzenes. The role of the nitro group in SN2 Ar* reactions Journal of the American Chemical Society. 103: 7257-7262.  1
1981 Jacobs HJC, Gielen JWJ, Havinga E. Wavelength-dependent photochemistry of trienes Journal of Photochemistry. 17: 3.  1
1980 Gielen JWJ, Koolstra RB, Jacobs HJC, Havinga E. Triplet-sensitized interconversion and photooxygenation of vitamin D and trans-vitamin D Recueil Des Travaux Chimiques Des Pays Bas. 99: 306-311.  1
1979 Cornelisse J, Lodder G, Havinga E. Pathways and intermediates of nucleophilic aromatic photosubstitution reactions Reviews of Chemical Intermediates. 2: 231-265. DOI: 10.1007/BF03156000  1
1977 Hoes C, van Batenburg OD, Kerling KE, Havinga E. Enzymatic hydrolysis of 2',3'-cyclic CMP by homohistidine-12-ribonuclease S'. Biochemical and Biophysical Research Communications. 77: 1074-7. PMID 901510 DOI: 10.1016/S0006-291X(77)80087-9  1
1977 van Batenburg OD, Voskuyl-Holtkamp I, Schattenkerk C, Hoes K, Kerling KE, Havinga E. The role of the imidazolyl nitrogen atoms of histidine-12 in ribonuclease S. The Biochemical Journal. 163: 385-7. PMID 869932  1
1977 Den Heijer J, Shadid OB, Cornelisse J, Havinga E. Photoreactions of aromatic compounds-XXXV1 1 Part XXXIV: C.M. Lok and E. Havinga, Proceedings Kon. Ned. Akad. Wetensch. B. 77, 15 (1974). Nucleophilic photosubstitution of methoxy substituted aromatic compounds. Monophotonic ionization of the triplet Tetrahedron. 33: 779-786. DOI: 10.1016/0040-4020(77)80192-0  1
1977 Van Batenburg OD, De Graaf JS, Kerling KET, Havinga E. Studies on polypeptides. XX. Synthesis and biological activities of some des-aspartylangiotensin II analogues Recueil Des Travaux Chimiques Des Pays Bas. 96: 37-39.  1
1977 Jacobs HJC, Boomsma F, Havinga E, Van Der Gen A. The photochemistry of previtamin D and tachysterol Recueil Des Travaux Chimiques Des Pays Bas. 96: 113-117.  1
1977 Boomsma F, Jacobs HJC, Havinga E, Van Der Gen A. The 'overirradiation products' of previtamin D and tachysterol: toxisterols Recueil Des Travaux Chimiques Des Pays Bas. 96: 104-112.  1
1976 Van Batenburg OD, Kerling KE, Havinga E. Synthesis and enzymatic activity of an RNase S' analogue in which the 4-imidazolylglycyl residue takes the position and the role of histidine-12. Febs Letters. 68: 228-30. PMID 987932 DOI: 10.1016/0014-5793(76)80442-5  1
1976 Voskuyl-Holtkamp I, Schattenkerk C, Havinga E. Studies on polypeptides. International Journal of Peptide and Protein Research. 8: 455-8. PMID 965153  1
1976 Havinga E, Cornelisse J. Aromatic photosubstitution reactions Pure and Applied Chemistry. 47: 1-10. DOI: 10.1351/pac197647010001  1
1976 Gielen JWJ, Jacobs HJC, Havinga E. Influence of wavelength on the photochemistry of E- and Z-hexa-1,3,5-trienes Tetrahedron Letters. 17: 3751-3754. DOI: 10.1016/S0040-4039(00)93100-9  1
1976 Havinga E. Photochemistry of trienes: Novel irradiation products in the vitamin D field Chimia. 30: 27-30.  1
1976 Hirsch JA, Havinga E. The 1-hetera-4-cyclohexanone system. Proton and carbon-13 magnetic resonance, transannular effects, and conformational analysis Journal of Organic Chemistry. 41: 455-462.  1
1975 Cornelisse J, Havinga E. Photosubstitution reactions of aromatic compounds Chemical Reviews. 75: 353-388. DOI: 10.1351/pac197541040433  1
1975 Cornelisse J, De Gunst GP, Havinga E. Nucleophilic Aromatic Photosubstitution Advances in Physical Organic Chemistry. 11: 225-266. DOI: 10.1016/S0065-3160(08)60343-3  1
1975 Bonfrèr JMG, Jacobs HJC, Havinga E. Photocyclization of an (E) -hexa-1.3,5-triene Tetrahedron Letters. 16: 3741-3742. DOI: 10.1016/S0040-4039(00)91324-8  1
1975 van Batenburg DD, Raap J, Kerling KET, Havinga E. A partially synthetic highly active ribonuclease S analogue in which L-homohistidine replaces histidine-12 as the operative component Tetrahedron Letters. 16: 4591-4594. DOI: 10.1016/S0040-4039(00)91078-5  1
1975 Boomsman F, Jacobs HJC, Havinga E, van der Gen A. Studies on vitamin D and related compounds XXIV new irradiation products of previtamin D3. Toxisterols. Tetrahedron Letters. 16: 427-430. DOI: 10.1016/S0040-4039(00)71884-3  1
1973 Havinga E. Vitamin D, example and challenge. Experientia. 29: 1181-93. PMID 4758912 DOI: 10.1007/BF01935064  1
1973 Vroegop PJ, Lugtenburg J, Havinga E. Conformational equilibrium and photochemistry of hexa-1,3,5-trienes Tetrahedron. 29: 1393-1398. DOI: 10.1016/S0040-4020(01)83160-4  1
1973 de Gunst GP, Havinga E. Photoreactions of aromatic compounds-XXIX. Pathway and intermediates of the photoreactions of 3,5-dinitroanisole with nucleophiles Tetrahedron. 29: 2167-2171. DOI: 10.1016/0040-4020(73)80160-7  1
1973 Lok CM, Den Boer ME, Cornelisse J, Havinga E. Photoreactions of aromatic compounds - XXVIII. Photo-induced reactions of 1-nitroazulene and derivatives with nucleophiles Tetrahedron. 29: 867-872. DOI: 10.1016/0040-4020(73)80030-4  1
1973 Boomsma F, Jacobs HJC, Havinga E, Van Der Gen A. Studies on vitamin D and related compounds. XXIII. The structure of bischolestadienol isomers Recueil Des Travaux Chimiques Des Pays Bas. 92: 1361-1367.  1
1972 Vink JAJ, Lok CM, Cornelisse J, Havinga E. Photoinduced reactions of some aromatic hydrocarbons with cyanide ion Journal of the Chemical Society, Chemical Communications. 710-711. DOI: 10.1039/C39720000710  1
1972 Brasem P, Lammers JG, Cornelisse J, Lugtenburg J, Havinga E. Photoreactions of aromatic compounds XXIV nucleophilic photosubstitution of fluorbenzene derivatives Tetrahedron Letters. 13: 685-686. DOI: 10.1016/S0040-4039(01)84410-5  1
1972 Lodder G, Havinga E. Photoreactions of aromatic compounds-XXVII. Reinvestigation of the photoinduced hydrogen isotope exchange of some aromatic compounds; photoacylation Tetrahedron. 28: 5583-5588. DOI: 10.1016/S0040-4020(01)93622-1  1
1972 Vink JAJ, Verheijdt PL, Cornelisse J, Havinga E. Photoreactions of aromatic compounds-XXVI. Photoinduced reactions of biphenyl and biphenyl derivatives with cyanide ion Tetrahedron. 28: 5081-5087. DOI: 10.1016/0040-4020(72)88161-4  1
1972 Jacobs HJC, Havinga E. Cotton effects and conformations of skeletally isomeric saturated 3-oxo-steroids Tetrahedron. 28: 135-153. DOI: 10.1016/0040-4020(72)80063-2  1
1971 Kleinhuis H, Wijting RLC, Havinga E. Photochemistry of some 1,2-dihydronaphthalenes Tetrahedron Letters. 12: 255-258. DOI: 10.1016/S0040-4039(01)96412-3  1
1970 Lok CM, Lugtenburg J, Cornelisse J, Havinga E. Photoreactions of aromatic compounds XXII photo-induced reactions of 1-nitroazulene with nucleophiles Tetrahedron Letters. 11: 4701-4702. DOI: 10.1016/S0040-4039(00)89371-5  1
1970 Van Vliet A, Kronenberg ME, Cornelisse J, Havinga E. Photoreactions of aromatic compounds-XVIII. Photoinduced aromatic substitution in liquid ammonia, ammonia/methanol and ammonia/watert Tetrahedron. 26: 1061-1067. DOI: 10.1016/S0040-4020(01)98782-4  1
1970 Buys HR, Leeuwestein CH, Havinga E. Conformation of non-aromatic ring compounds-58. Infrared and raman spectra of trans-2,3-dihalogenotetralins Tetrahedron. 26: 845-850. DOI: 10.1016/S0040-4020(01)97883-4  1
1970 Schutte L, Havinga E. Base catalysis in aromatic iodination. Kinetics and mechanism of the iodination of p-cresol, 2,6-dimethylphenol, imidazole and dimethylaminobenzenesulfonic acid Tetrahedron. 26: 2297-2304. DOI: 10.1016/S0040-4020(01)92809-1  1
1969 Lugtenburg J, Havinga E. Studies on vitamin D and related compounds XX. The conformation of tachysterol; N. O. E. and 220 MHz N. M. R. Tetrahedron Letters. 2391-4. PMID 5796592  1
1969 Sanders GM, Pot J, Havinga E. Some recent results in the chemistry and stereochemistry of vitamin D and its isomers. Fortschritte Der Chemie Organischer Naturstoffe = Progress in the Chemistry of Organic Natural Products. ProgrèS Dans La Chimie Des Substances Organiques Naturelles. 27: 131-57. PMID 4313834  1
1969 de Hoog AJ, Buys HR, Altona C, Havinga E. Conformation of non-aromatic ring compounds-LII. NMR spectra and dipole moments of 2-alkoxytetrahydropyrans Tetrahedron. 25: 3365-3375.  1
1969 Lugtenburg J, Havinga E. Structure elucidation of the photolysis product of 2,3-dimethoxy-5-nitro-naphthalene by application of N.O.E Tetrahedron Letters. 10: 1505-1506.  1
1969 Fráter G, Havinga E. Photosubstitution reactions of nitronaphthalenes leading to chloronaphthalenes Tetrahedron Letters. 10: 4603-4604.  1
1969 Elgersma RHC, Havinga E. Investigations on the Fischer indole synthesis I. The structure of a supposed intermediate Tetrahedron Letters. 10: 1735-1736.  1
1969 van Riel HCHA, Fischer FC, Lugtenburg J, Havinga E. Protodeboronation of ferroceneboronic acid and of pyridineboronic acids Tetrahedron Letters. 10: 3085.  1
1968 Havinga E, Kronenberg ME. Some problems in aromatic photosubstitution Pure and Applied Chemistry. 16: 137-152. DOI: 10.1351/pac196816010137  1
1968 Buys HR, Altona C, Havinga E. The conformation of non-aromatic ring compounds-XLIII. Carbon-halogen stretching frequencies and conformation of 3-halogeno- and trans-3-4-dihalogenotetrahydrofurans Tetrahedron. 24: 3019-3030.  1
1968 Buys HR, Havinga E. Conformation of non-aromatic ring compounds-XLVII. The conformation of trans-1,2-dihalogenoindans Tetrahedron. 24: 4967-4979.  1
1968 Buys HR, Havinga E. The conformation of non-aromatic ring compounds, part XLIX relationship between the conformational equilibria in halogenated open-chain and six-membered carbocyclic compounds Tetrahedron Letters. 9: 3759-3762.  1
1968 Lodder G, du Mée PEJ, Havinga E. Photoreactions of aromatic compounds XVI Photochemical valence isomerisation in anisole Tetrahedron Letters. 9: 5949-5952.  1
1968 Altona C, Hageman HJ, Havinga E. The conformation of non-aromatic ring compounds-XL. Characteristic vibration frequencies of some cyclic vicinal dihalogenides with anti configuration-I Spectrochimica Acta Part a: Molecular Spectroscopy. 24: 633-653.  1
1967 Schutte L, Havinga E. Investigations into a possible 14C isotope effect in photodissociations Tetrahedron. 23: 2281-2284.  1
1967 Altona C, Buys HR, Hageman HJ, Havinga E. Conformation of non-aromatic ring compounds-XXXIII. Trans-1,2-dihalogenocyclohexanes, trans-1,2-dihalogenocyclopentanes and α-halogenocyclohexanones; correlation between dipole moments and vicinal proton spin coupling constants Tetrahedron. 23: 2265-2279.  1
1967 Buys HH, Altona C, Havinga E. The conformation of open-chain compounds I. Dipole moments and vicinal proton spin coupling constants of 1,1,2-trichloro- and 1,1,2-tribromoethane Tetrahedron Letters. 8: 3067-3070.  1
1967 Altona C, Havinga E. Investigations into conformation on non-aromatic ring compounds-XI. Coupling constants in some cis-2-3disubstituted-1,4-dioxans; A reassignment of the structure of trans-naphthodioxan Tetrahedron. 23: 528.  1
1966 Schutte L, Kluit PP, Havinga E. The substitution reaction of histidine and some other imidazole derivatives with iodine Tetrahedron. 22: 295-306.  1
1966 Hageman HJ, Havinga E. The conformation of non-aromatic ring-compounds-XXVII. The dipole moments of trans-aa-dihalogeno-4-t-butylcyclohexanes Tetrahedron. 22: 2271-2274.  1
1966 Geise HJ, Tieleman A, Havinga E. The conformation of non-aromatic ring compounds-XIX. The dipole moments of trans-2,3- and trans-5,6-dihalogeno-5α-cholestanes Tetrahedron. 22: 183-187.  1
1966 Cornelisse J, Havinga E. Photoreactions of aromatic compounds X flash photolysis of 3,5-dinitroanisole in alkaline medium Tetrahedron Letters. 7: 1609-1610.  1
1966 Altona C, Havinga E. Investigations into the conformation of non-aromatic ring compounds-XI. Coupling constants in some cis-2,3-disubstituted-1,4-dioxans: a reassignment of the structure of trans-naphthodioxan Tetrahedron. 22: 2275-2280.  1
1966 Havinga E, Schattenkerk C. Studies on polypeptides-V. Properties of the arginyl residue of des-asp1-ile5-angiotensin II essential to pressor activity Tetrahedron. 22: 313-319.  1
1966 van Vliet A, Kronenberg ME, Havinga E. Photoreactions of aromatic compounds XI. Photoinduced substitution of nitrobenzene and derivatives in liquid ammonia Tetrahedron Letters. 7: 5957-5959.  1
1965 Havinga EE, Bosman AJ. Temperature dependence of dielectric constants of crystals with NaCl and CsCl structure Physical Review. 140: A292-A303. DOI: 10.1103/PhysRev.140.A292  1
1965 Nijhoff DF, Havinga E. Photoreactions of aromatic compounds VIII a photochemical substitution of halogen in 2-bromo-(chloro)-4-nitroanisole Tetrahedron Letters. 6: 4199-4201.  1
1965 de Bie DA, Havinga E. Photoreactions of aromatic compounds-IV. The directing influence of the methoxy- and the nitro- substituent in the photodeuteration of the benzene nucleus Tetrahedron. 21: 2359-2363.  1
1964 de Vries Van Doesburgh JTS, Havinga E. The reactivities towards iodine of the four tyrosine residues of insulin. Part III Bba - General Subjects. 82: 96-100.  1
1963 Mossel A, Romers C, Havinga E. Investigations into the conformation of non-aromatic ring compounds XII. Cyclohexanedione 1,4 and related compounds. Tetrahedron Letters. 4: 1247-1249.  1
1962 BORST PAUWELS GW, LOEF HW, HAVINGA E. The uptake of radioactive phosphate by yeast. II. The primary phosphorylation products. Biochimica Et Biophysica Acta. 65: 407-11. PMID 14014102  1
1961 LINKS J, VERLOOP A, HAVINGA E. The steroids and higher fatty acids of the phytoflagellate Polytoma uvella. Antonie Van Leeuwenhoek. 27: 161-70. PMID 13762469 DOI: 10.1007/BF02538436  1
1961 LAARHOVEN WH, NIVARD RJ, HAVINGA E. Estrogenic activity and steric hindrance to coplanarity of alkyl substituted 4,4'-dimethoxystilbenes. Experientia. 17: 214-5. PMID 13757952 DOI: 10.1007/BF02160621  1
1961 Links J, Verloop A, Havinga E. Some growth experiments with Polytoma uvella on synthetic media Antonie Van Leeuwenhoek. 27: 76-80. DOI: 10.1007/BF02538425  1
1961 Havinga E, Schlatmann JLMA. Remarks on the specificities of the photochemical and thermal transformations in the vitamin D field Tetrahedron. 16: 146-152.  1
1960 LINKS J, VERLOOP A, HAVINGA E. The carotenoids of Polytoma uvella. Archiv FüR Mikrobiologie. 36: 306-24. PMID 13762468 DOI: 10.1007/BF00410168  1
1960 Havinga E, de Kock RJ, Rappoldt MP. The photochemical interconversions of provitamin D, lumisterol, previtamin D and tachysterol Tetrahedron. 11: 276-284.  1
1959 HAVINGA E. [Photosynthesis]. Nederlands Tijdschrift Voor Geneeskunde. 103: 538-41. PMID 13644415  1
1959 Altona C, Romers C, Havinga E. Molecular structure and conformation of some dihalogenodioxanes Tetrahedron Letters. 1: 16-20.  1
1958 Engelsma G, Havinga E. Oxidations with copper-amine complexes-VI. Oxidation of aromatic amines and of aniline in particular Tetrahedron. 2: 289-295.  1
1954 HAVINGA E. Spontaneous formation of optically active substances. Biochimica Et Biophysica Acta. 13: 171-4. PMID 13140311  1
1953 Havinga E, Itano HA. Electrophoretic Studies of Globins Prepared From Normal Adult and Sickle Cell Hemoglobins. Proceedings of the National Academy of Sciences of the United States of America. 39: 65-7. PMID 16578425  0.01
1953 Havinga E. Comparison of the Phosphorus Content, Optical Rotation, Separation of Hemes and Globin, and Terminal Amino Acid Residurs of Normal Adult Human Hemoglobin and Sickle Cell Anemia Hemoglobin. Proceedings of the National Academy of Sciences of the United States of America. 39: 59-64. PMID 16578424  0.01
1953 HAVINGA E. [Some comments on photosynthesis]. ExposéS Annuels De Biochimie MéDicale. 10: 69-92. PMID 13151187  1
1951 VAN DUIJN P, HAVINGA E, LIGNAC GO. Arenicochrome, a new pigment from Arenicola marina L. Experientia. 7: 376-8. PMID 14879826 DOI: 10.1007/BF02168906  1
Show low-probability matches.