Zobrazeno 1 - 10 of 20 pro vyhledávání: '"H. Kienhuis"'
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Peptide derivatives related to the active site of some hydrolytic enzymes: I. Syntheses of tetrapeptide ethyl esters containing glutamic acid and serine
Autor: J. P. J. van der Holst, A. van De Linde, A. Verweij, H. Kienhuis
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 80:1278-1284
The syntheses of glycyl-α-L-glutamyl-L-serylglycine ethyl ester and of glycyl-α-L-glutamyl-O-acetyl-L-serylglycine ethyl ester are described. The mixed anhydride method and the carbodiimide method were used for condensing together two dipeptide der
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a283044db09881ae0e048c8bffd1bb8a
https://doi.org/10.1002/recl.19610801114
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3
Intramolecular catalysis in cis-diethyl 2-carboxyvinylphosphonate hydrolysis
Autor: H. Kienhuis, J. P. J. van der Holst, C. van Hooidonk
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 93:40-43
The hydrolysis of the title compound proceeds very fast in weakly acidic aqueous media by a stepwise release of both ethyl ester groups via phosphorus-oxygen bond fission. The reactions are about 106 times faster than that for the release of one ethy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::effbe740e76e7961fff3279e4be1456e
https://doi.org/10.1002/recl.19740930204
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4
Peptide derivatives related to the active site of some hydrolytic enzymes III. Syntheses and some physical properties of tetrapeptide derivatives protected by N-acetyl and amide groups
Autor: A. Verweij, J. P. J. van der Holst, H. Kienhuis
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 83:1129-1141
For our investigations of model compounds related to the active site of esterases some new peptide derivatives containing the amino acid sequences gly-asp-ser-gly, gly-glu-ser-gly and gly-gly-ser-gly were synthesized. The compounds were obtained by c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0aa85b43de3967551afe6aa611cda9bb
https://doi.org/10.1002/recl.19640831104
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5
Peptide derivatives related to the active site of some hydrolytic enzymes: IV. Tetrapeptide derivatives containing D-serine
Autor: A. Verweij, H. Kienhuis, J. P. J. van der Holst
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 88:592-596
The syntheses of derivatives of the L-L tetrapeptides Gly-Asp-Ser-Gly and Gly-Glu-Ser-Gly have been described in preceding communications 123 . These compounds were used as models for esterases. In order to study the effects of configuration and conf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3e0ac1a8bc6c3b6f022eae1e8c9f48a
https://doi.org/10.1002/recl.19690880511
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6
Paper chromatography of diastereoisomeric tetrapeptide derivatives: Short communication
Autor: A. Verweij, H. Kienhuis
Publikováno v: Recueil des Travaux Chimiques des Pays-Bas. 83:223-225
In six solvents the L-D diastereoisomers of H-gly-asp-ser-gly-OEt, H-gly-glu-ser-gly-OEt, H-gly-asp-ser(Ac)-gly-NH2 and H-gly-glu-ser(Ac)-gly-NH2 have higher Rt values than the corresponding L-L diastereoisomers.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dee8c6924b19d285750093d4c7c9892e
https://doi.org/10.1002/recl.19640830302
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Isolation, anticholinesterase properties and acute toxicity of the four stereoisomers of the nerve agent soman
Autor: H. P. Benschop, H. Kienhuis, L. P. A. De Jong, Cornelis A. G. Konings, J. Van Genderen
Publikováno v: Phosphorus and Sulfur and the Related Elements. 18:345-349
The four stereoisomers of pinacolyl methylphospho-nofluoridate (soman) were isolated with more than 99% optical purity. The bimolecular rate constants for inhibition of electric eel acetylcholinesterase and the LD50-values (sc, mice) of the stereoiso
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e9970405b5e8a1066b162e73927e7c8d
https://doi.org/10.1080/03086648308076036
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9
Action of Anhydrous Formic Acid on Peptides and Proteins
Autor: G. Blasse, J. Matze, H. Kienhuis
Publikováno v: Nature. 184:2015-2016
IN the course of our investigations on peptides containing serine, we tried to bring about N-O-acyl shift at the serine residue using anhydrous formic acid as described by Josefsson and Edman1.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79ec3827ff14efd34fa8be2df86843bc
https://doi.org/10.1038/1842015a0
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