申请人:Sankyo Company Limited
公开号:US04007177A1
公开(公告)日:1977-02-08
A compound of the formula ##STR1## wherein A represents acetoxy group, carbamoyloxy group or (1-metyl-1H-tetrazol-5-yl)thio group and Y represents propargylthio group, azidomethylthio group, 2-hydroxyethylthio group, 3-isoxazolyloxy group, 3-isoxazolylthio group, methylsulfonyl group, ethylsulfonyl group, 2-cyanoethyl-sulfonyl group or sydnon-3-yl group and nontoxic pharmaceutically acceptable salts thereof are prepared by a process which comprises reacting a compound of the formula ##STR2## wherein R represents a protective group for a carboxyl group and A has the same meaning as defined above with a carboxylic acid of the formula Y - CH.sub.2 COOH wherein Y has the same meaning as defined above or a reactive derivative thereof to give a compound having the formula ##STR3## wherein A, R and Y have the same meanings as defined above and removing the protective group for the carboxyl group from said compound. The compounds are antibacterial agents.
该化合物的公式为##STR1##其中A代表乙酰氧基,氨基甲酰氧基或(1-甲基-1H-四唑-5-基)硫基,Y代表丙炔硫基,偶氮甲基硫基,2-羟基乙基硫基,3-异噁唑氧基,3-异噁唑硫基,甲磺酰基,乙磺酰基,2-氰基乙基磺酰基或sydnon-3-yl基团及其无毒药学上可接受的盐,通过一种方法制备,该方法包括将化合物##STR2##其中R代表羧基的保护基,A与上述定义相同,与公式为Y-CH.sub.2COOH的羧酸或其反应性衍生物反应,以得到具有公式##STR3##其中A,R和Y与上述定义相同的化合物,并从该化合物中除去羧基的保护基。这些化合物是抗菌剂。