Cephem compounds, processes for their preparation and pharmaceutical compositions containing them
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0029998A2
公开(公告)日:1981-06-10
A new cephem compound of the formula:
wherein R' is amino or a substituted amino group;
R2 is carboxy or a protected carboxy group;
R is a group of the formula: -A1-R3a
[in which A, is hydroxy(lower)alkylene, amino-(lower)alkylene, protected amino-(lower)alkylene, lower alkenylene or hydroxyimino(lower)alkylene wherein the hyrogen atom of the hydroxyimino group may be replaced with a lower aliphatic hydrocarbon group; and
R3a is carboxy or a protected carboxy group] or
a group of the formula:
一种新的 Cephem 化合物,其化学式为
其中 R' 是氨基或取代的氨基;
R2 是羧基或受保护的羧基;
R 是式中的基团:-A1-R3a
[其中 A 是羟基(低级)亚烷基、氨基(低级)亚烷基、受保护氨基(低级)亚烷基、低级烯基或羟基亚氨基(低级)亚烷基,其中羟基亚氨基基团的偶氮原子可被低级脂肪族烃基团取代;和
R3a 是羧基或受保护的羧基] 或
式中的一个基团:
6-Beta-(alpha-etherified oxyimino)-acylamino penicillanic-acid derivatives, their preparation and use
申请人:BEECHAM GROUP PLC
公开号:EP0210815A2
公开(公告)日:1987-02-04
The present invention provides a compound offormula (I) or a pharmaceutically acceptable salt or in-vivo hydrolysable
wherein R' is hydrogen or an amino protecting group and R is substituted methyl; optionally substituted C2-12 alkyl, alkenyl or alkynyl; carbocyclyl; aryl or heterocyclyl. These compounds have antibacterial properties, and therefore are of use in the treatment of bacterial infections in humans and animals caused by a wide range of organisms.