Chemical and pharmaceutical bulletin

Epimerization of amoxicillin piperazine-2, 5-dione in acidic solutions.

萩中淳， 若居純子

Index: Haginaka; Wakai Chemical and Pharmaceutical Bulletin, 1986 , vol. 34, # 5 p. 2239 - 2242

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Citation Number: 17

Abstract

... There are two marked differences in the 1H chemical shifts and coupling constants (Table I) between products A and B; one is the downfield shifts of the 3'C and 4'C protons in the case of product B, and the other is the smaller coupling ... 2) J. Haginaka and J. Wakai, J. Pharm ...