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Eine einfache Darstellungsmethode für Nucleosid-5′amidophosphorsäurediester

✍ Scribed by Vratislav Kvita; Gerhard Baschang

Publisher
John Wiley and Sons
Year
1972
Tongue
German
Weight
147 KB
Volume
55
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

The reaction of phosphites with derivatives of 5′‐azido‐uridine and 5′‐azidoadenosine in the presence of nucleophiles is a simple method to obtain the corresponding 5′‐amidophosphoric esters. The dependency of heterocyclic alkylation of reaction temperature and solver has been investigated.

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## Abstract Mild treatment of the methyl ester of (+)‐N~α~‐(γ‐chlorobutyry1)‐L‐tryptophane with silver tetrafluoroborate gives a high yield of a crystalline iminolactone derivative. This compound is a useful intermediate in preparing (+)‐Nα‐methyl‐L‐tryptophane ((+)‐abrine).