Canadian journal of chemistry

Phosphoryl to carbonyl migration of amino groups in mixed anhydrides

J Symes, TA Modro

Index: Symes, Jill; Modro, Tomasz A. Canadian Journal of Chemistry, 1986 , vol. 64, p. 1702 - 1708

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Citation Number: 11

Abstract

Mixed anhydrides derived from carboxylic and amidophosphoric acids,(RO)(R'2N) P (O) OC (O) R'(1), undergo unimolecular fragmentation yielding carboxyamides, R'C (O) NR'2, and metaphosphate esters, ROPO2. The mechanism of the amino group transfer was studied for substrate 1 a (1, R= R'= Me; R'= Ph); solvent as well as substituent effects indicate little (if any) charge development in the transition state. The effects of solvents and Lewis acids on ...

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