申请人:Tanabe Seiyaku Co., Ltd.
公开号:US05442055A1
公开(公告)日:1995-08-15
There is disclosed an azetidinone compound of the formula [I]: ##STR1## wherein Ring B is a benzene ring which may have substituent(s), R.sup.1 is a hydroxy-substituted lower alkyl group which may have substituent(s), X is oxygen atom and the like, Y is oxygen atom and the like, and Z is a methylene group which may have substituent(s), which is useful as a synthetic intermediate of the 1.beta.-methylcarbapenem-type antibacterial agent.
本发明公开了一种式为[I]的氮杂四环酮化合物:##STR1## 其中,环B是苯环,可以有取代基;R1是羟基取代的低碳基,可以有取代基;X是氧原子等;Y是氧原子等;Z是甲基烷基,可以有取代基。该化合物可用作1-β-甲基碳青霉烯类抗菌剂的合成中间体。