Penicillins, per se and for use as antibacterially active antibiotics and their production
申请人:SANDOZ AG
公开号:EP0003115A1
公开(公告)日:1979-07-25
Penicillins and cephalosporins of formula I,
in which R, is hydrogen or pivaloyloxymethyl,
R2 is phenyl, 4-hydroxyphenyl or 1,4-cyclohexadien-1-yl,
R3 is hydrogen, lower alkyl or lower alkylthio,
R4 and R5, which may be the same or different, are hydrogen, lower alkyl, hydroxy, lower alkoxy, carboxyl, lower alkoxycarbonyl, lower alkoxycarbonylmethyl, carboxymethyl or halogen,
A is the group
in which Rs is hydrogen or lower alkyl,
B is oxygen of sulphur,
X is a group of formula IIa or IIb,
in which R7 is hydrogen, acetoxy or a group of formula IIc,
and Ring D is a 5- or 6-membered, unsaturated ring,
which may contain one or more hetero atoms, and salts of compounds of formula I, in which R, is hydrogen, methods for their production and their anti-bacterial use.
式 I 的青霉素和头孢菌素
其中 R 为氢或新戊酰氧基甲基、
R2 是苯基、4-羟基苯基或 1,4-环己二烯-1-基、
R3 是氢、低级烷基或低级烷硫基、
R4 和 R5(可以相同或不同)是氢、低级烷基、羟基、低级烷氧基、羧基、低级烷氧羰基、低级烷氧羰基甲基、羧甲基或卤素、
A 是以下基团
其中 Rs 为氢或低级烷基、
B 是硫的氧、
X 是式 IIa 或 IIb、
其中 R7 是氢、乙酰氧基或式 IIc、
环 D 是 5 或 6 元不饱和环、
以及式 I 化合物的盐(其中 R 为氢)、其生产方法和抗菌用途。