NOVEL 3-(SUBSTITUTED METHYL)-4-OXA-1-AZABICYCLO 3.2.0]HEPTAN-7-ONE DERIVATIVES USEFUL AS ANTITUMOR AGENTS
申请人:TAIHO PHARMACEUTICAL CO., LTD.
公开号:EP0688324A1
公开(公告)日:1995-12-27
JPH1171278A
申请人:——
公开号:JPH1171278A
公开(公告)日:1999-03-16
.beta.-Lactam antibiotics
申请人:Beecham Group Limited
公开号:US04093626A1
公开(公告)日:1978-06-06
Compounds of the formula ##STR1## wherein R is hydrogen, alkyl of 1 to 4 carbon atoms, alkenyl of 2 to 4 carbon atoms, epoxide of 2 to 4 carbon atoms or alkyl of 1 to 4 carbon atoms substituted by 1 or 2 halogen atoms, hydroxyl, etherified or acylated hydroxyl of 1 to 7 carbon atoms, azido, phthaliamido, SR.sup.1, SOR.sup.1 or SO.sub.2 R.sup.1 wherein R.sup.1 is aryl, are useful for their .beta.-lactamase inhibitory activity and their antibacterial activity.