학술논문
Une application du cycle pyrazoline à la lactamisation et à la formylation de 6Hthiazines-1,3
Document Type
Article
Source
Canadian Journal of Chemistry; July 1989, Vol. 67 Issue: 7 p1125-1131, 7p
Subject
Language
ISSN
00084042; 14803291
Abstract
A pyrazoline ring is used as a masking, a stereodirecting, and a latent formyl group in the synthesis of 7-amino-4-formyl cephems from 6H-1,3-thiazines. Keywords: thiazine, cephem, pyrazoline, benzeneseleninic anhydride.