申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04609730A1
公开(公告)日:1986-09-02
The invention relates to novel cephem compounds of high antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is amino, lower alkanoylamino, ar(lower)alkanoylamino, amino- or alkanoylaminothiazolyl(lower)alkanoylamino having a lower alkoxyimino, amino- or alkanoylaminothiazolyl(lower)alkanoylamino an ar(lower)alkoxycarbonyl(lower)alkoxyamino, aminothiazolyl(lower)alkanoylamino having a carboxy(lower)alkoxyamino, or aminothiadiazolyl(lower)alkanoylamino having a lower alkoxyimino, R.sup.2 is 2,2,-dihalovinyl or ethynyl, and R.sup.3 is carboxy or protected carboxy, and pharmaceutically acceptable salts thereof.
本发明涉及具有高抗菌活性的新型头孢烯化合物,其通式为:##STR1## 其中R1为氨基、低级烷酰氨基、芳基(低级)烷酰氨基、氨基或烷酰氨基噻唑基(低级)烷酰氨基,带有低级烷氧亚氨基、氨基或烷酰氨基噻唑基(低级)烷酰氨基、芳基(低级)烷氧羰基(低级)烷氧氨基、氨基噻唑基(低级)烷酰氨基,带有羧基(低级)烷氧氨基,或氨基噻二唑基(低级)烷酰氨基,带有低级烷氧亚氨基;R2为2,2-二卤乙烯基或乙炔基;R3为羧基或保护的羧基,以及其药学上可接受的盐。