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The carbonylhydrazone pseudopeptide link via quinonic oxidation of the peptide amino terminus

Identifieur interne : 001B21 ( Main/Exploration ); précédent : 001B20; suivant : 001B22

The carbonylhydrazone pseudopeptide link via quinonic oxidation of the peptide amino terminus

Auteurs : Mouhsine Lourak [Maroc] ; Régis Vanderesse [France] ; André Vicherat [France] ; Jamal Jamal-Eddine [Maroc] ; Michel Marraud (chimiste) [France]

Source :

RBID : ISTEX:56B46860BE4B62EB767987BA6079730322183743

English descriptors

Abstract

Abstract: Oxidation of the amino terminus in α-amino acid derivatives using 3,5-di-tert-butyl-1,2-quinone generally failed to give the corresponding ketone, and cyclic compounds due to the nucleophilic attack of the phenol hydroxyl in the intermediate 2-aminophenol were recovered. The expected ketone was obtained by using 2,6-di-tert-butyl-1,4-quinone, and the condensation of the ketone and a peptide hydrazide gave the pseudopeptide carbonylhydrazone link.

Url:
DOI: 10.1016/S0040-4039(00)01551-3


Affiliations:


Links toward previous steps (curation, corpus...)


Le document en format XML

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<div type="abstract" xml:lang="en">Abstract: Oxidation of the amino terminus in α-amino acid derivatives using 3,5-di-tert-butyl-1,2-quinone generally failed to give the corresponding ketone, and cyclic compounds due to the nucleophilic attack of the phenol hydroxyl in the intermediate 2-aminophenol were recovered. The expected ketone was obtained by using 2,6-di-tert-butyl-1,4-quinone, and the condensation of the ketone and a peptide hydrazide gave the pseudopeptide carbonylhydrazone link.</div>
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