PHOTOCHEMICAL-TRANSFORMATIONS OF CEPHALOSPORINS

被引:3
|
作者
CAPPS, NK
DAVIES, GM
HITCHCOCK, PB
YOUNG, DW
机构
[1] UNIV SUSSEX,SCH CHEM & MOLEC SCI,BRIGHTON BN1 9QJ,E SUSSEX,ENGLAND
[2] ICI PHARMACEUT PLC,MACCLESFIELD SK10 4TG,CHESHIRE,ENGLAND
关键词
D O I
10.1039/p19920000763
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Two new photochemical reactions of the ceph-3-em 4 have been discovered. In methanol, rearrangement to the 2-isopropenyl-6-methoxy-4-oxotetrahydro-1,3-thiazine 14 occurs, whilst in tetrahydrofuran-acetone, regio- and stereo-specific addition leads to the tricyclic lactone 25.
引用
收藏
页码:763 / 767
页数:5
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