2-氯苯磺酰氯 、 、 3-羟基甲基-4-氧杂-1-氮杂双环[3.2.0]庚烷-7-酮 、 三乙胺 、 二氯甲烷 在
silica gel 作用下,
以420 mg of (3R,5S)-3-(4-chlorobenzenesulfonyl)oxymethyl-4-oxa-1-azabicyclo[3,2,0] heptan-7-one was obtained as white solid的产率得到(3R,5S)-3-[(4-Chlorobenzenesulfonyl)oxymethyl]-4-oxa-1-azabicyclo[3.2.0]heptan-7-one
参考文献:
名称:
3-Substituted-4-oxa-1-azabicyclo \x9b3,2,0!heptan-7-one as cysteine
3-Substituted-4-oxa-1-azabicyclo \x9b3,2,0!heptan-7-one as cysteine
申请人:Synphar Laboraties, Inc.
公开号:US05925633A1
公开(公告)日:1999-07-20
The use of certain 3-substituted-4-oxa-1-azabicyclo\x9b3,2,0! heptan-7-one derivatives of general formula I, ##STR1## or physiologically acceptable salts thereof or isomers thereof, as active ingredients for the preparation of pharmaceutical composition and treatment of different diseases associated with deregulation of cysteine proteases is disclosed.