Cephem compounds and processes for preparation thereof
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0345671A2
公开(公告)日:1989-12-13
A compound of the formula :
wherein
R' is amino or a protected amino group,
Z is N or CH,
R2 is an organic group, and
R is a group of the formula :
(in which
R3 and R4 are each lower alkyl, or
R3 and R4 are linked together to form C3-C6 alkylene,
A is lower alkylene, and
R5 is hydroxy or a protected hydroxy group)
or a group of the formula :
(in which
R6 is lower alkyl.
R7 and R8 are each hydroxy or a protected hydroxy group, and
Y is N or CH),
and a pharmaceutically acceptable salt thereof,
processes for their preparation and pharmaceutical compositions comprising them as an active ingredient. The invention relates also to intermediates of the formula
and their preparation.
式中的化合物
式中
R' 是氨基或受保护的氨基、
Z 是 N 或 CH
R2 是有机基团,以及
R 是式中的一个基团:
其中
R3 和 R4 分别为低级烷基,或
R3 和 R4 连接在一起形成 C3-C6 亚烷基、
A 是低级亚烷基,以及
R5 是羟基或受保护的羟基)。
或式如下的基团
其中
R6 是低级烷基
R7 和 R8 分别是羟基或受保护的羟基,以及
Y 是 N 或 CH)、
及其药学上可接受的盐、
它们的制备工艺和含有它们作为活性成分的药物组合物。本发明还涉及式
及其制备方法。
US5244890A
申请人:——
公开号:US5244890A
公开(公告)日:1993-09-14
US5401734A
申请人:——
公开号:US5401734A
公开(公告)日:1995-03-28
US5532354A
申请人:——
公开号:US5532354A
公开(公告)日:1996-07-02
Cephem compounds
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05244890A1
公开(公告)日:1993-09-14
Cephem compounds having the following formula are disclosed: ##STR1## R.sup.1 =amino or protected amino R.sup.2 =an organic group ##STR2## R.sup.6 =lower alkyl R.sup.7, R.sup.8 .dbd.OH or protected OH Y.dbd.N or CH The compounds are useful as antimicrobial agents.