Clavulanic acid derivatives, their preparation and pharmaceutical compositions
申请人:BEECHAM GROUP PLC
公开号:EP0019457A2
公开(公告)日:1980-11-26
The compounds of the formula (I):
and pharmaceutically acceptable salts and in-vivo hydrolysable esters thereof wherein X is a sulphur atom or SO or SO2 group and R is a hydrogen atom or an alkyl group of 1 to 6 carbon atoms have been found to be β-lactamase inhibitors and antibacterial agents. Their preparation and use is described.
式(I)化合物:
及其药学上可接受的盐和体内可水解的酯,其中 X 是硫原子或 SO 或 SO2 基团,R 是氢原子或 1 至 6 个碳原子的烷基。本文介绍了它们的制备和使用方法。
Transformations of diglycolaldehyde dithioacetals in the presence of boron trifluoride-ether complex