申请人:SUMITOMO PHARMACEUTICALS COMPANY, LIMITED
公开号:EP0934942A1
公开(公告)日:1999-08-11
A β-lactam compound of the formula:
wherein R1 is lower alkyl or OH-substituted lower alkyl, R2 is H or lower alkyl, X is O, S or NH, n is 1 to 3, R3 is -C(Ra)=NH (Ra is H, lower alkyl or substituted lower alkyl), or a salt thereof, or an ester thereof. These compounds show excellent antibacterial activity against Gram-positive bacteria, particularly against methicillin-resistant Staphylococci and methicillin-resistant and coagulase-negative Staphylococci.
一种β-内酰胺化合物,其式如下
其中 R1 是低级烷基或 OH 取代的低级烷基,R2 是 H 或低级烷基,X 是 O、S 或 NH,n 是 1 至 3,R3 是 -C(Ra)=NH (Ra 是 H、低级烷基或取代的低级烷基),或其盐,或其酯。这些化合物对革兰氏阳性菌,尤其是耐甲氧西林葡萄球菌和耐甲氧西林凝固酶阴性葡萄球菌具有极佳的抗菌活性。