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Derivatives of heterocyclic α-iminocarboxylic acids. 1. Syntheses of hydrazides of heterocyclic α-iminocarboxylic acids and their hydrazones

✍ Scribed by R. Nurdinov; É. É. Liepin'sh; I. B. Mazheika; I. Ya. Kalvin'sh

Publisher: Springer US
Year: 1993
Tongue: English
Weight: 393 KB
Volume: 29
Category: Article
ISSN: 0009-3122
DOI: 10.1007/bf00534398

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## Abstract For Abstract see ChemInform Abstract in Full Text.

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The reactions of mono Boc-protected amino monocarboxylic acids with phosphoranylideneacetonitrile yield ylido nitriles which on ozonolysis at low temperature form labile a,b-diketo nitriles. These derivatives may be used in situ for reaction with diamines or related dinucleophiles to yield hetero de