There is disclosed an azetidinone compound of the formula [I]:
wherein Ring B is a benzene ring which may have substituent(s), R¹ 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 1β-methylcarbapenem-type antibacterial agent.
本发明公开了一种式[I]的氮杂
环丁酮化合物:
其中环 B 是可能具有取代基的苯环,R¹ 是可能具有取代基的羟基取代的低级烷基,X 是氧原子等,Y 是氧原子等,Z 是可能具有取代基的亚甲基,该化合物可用作 1β-甲基碳青霉烯类抗菌剂的合成中间体。