2-ALPHA-ALKOXYMETHYL CEPHALOSPORINS - REACTIONS OF EXO-2-METHYLENE CEPHALOSPORIN SULFONES WITH ALCOHOLS

被引:0
作者
CUMMINGS, MD [1 ]
CZAJKOWSKI, DP [1 ]
BRUNSTEIN, J [1 ]
REDDY, NAV [1 ]
PHILLIPS, OA [1 ]
FIAKPUI, C [1 ]
SPEVAK, P [1 ]
MICETICH, RG [1 ]
MAITI, SN [1 ]
机构
[1] SYNPHAR LABS INC,TAIHO ALBERTA CTR 2,4290-91A ST,EDMONTON T6E 5V2,AB,CANADA
关键词
D O I
10.1135/cccc19942282
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A series of 2alpha-alkoxymethyl cephem sulfones were prepared by nucleophilic addition of a variety of alcohols to exo-2-methylene cephem sulfones. The 2alpha-alkoxymethyl group was introduced with the aim of improving the inhibitory activity against human leukocyte elastase (HLE) over the unsubstituted compounds. However, against HLE the in vitro activity was still inferior to that shown by the C-2 unsubstituted cephem sulfones.
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页码:2282 / 2292
页数:11
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