Side reactions in the polymerization of a-amino acid N-carbonic anhydrides : titration data of polyglycine and polyalanine

L.A.A.E. Sluyterman, B. Labruyere

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7 Citations (Scopus)

Abstract

Polyglycine and polyalanine obtained by polymerization of their N-carbonic anhydrides often appeared to contain more acid groups than amino groups. This is ascribed, at least partly, to the formation of hydantoin groups. A small amount of 2,5-diketopiperazine was isolated from polyglycine. A discussion of the results and their bearing upon the calculation of molecular weights is given.
Original languageEnglish
Pages (from-to)347-354
JournalRecueil des Travaux Chimiques des Pays-Bas
Volume73
Issue number4
DOIs
Publication statusPublished - 1954

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