申请人:LUCKY LTD.
公开号:EP0582261A1
公开(公告)日:1994-02-09
The present invention relates to a cephalosporin compound including the pharmaceutically acceptable non-toxic salts, physiologically hydrolyzable esters, hydrates and solvates thereof of the formula(I) and its isomers:
wherein:
R¹ isa C₁₋₄ alkyl, C₃₋₄ alkenyl, C₃₋₄ alkynyl or -C(Ra)(Rb)-COOH wherein Ra and Rb are, independently of each other, a hydrogen or a C₁₋₄ alkyl group, respectively, or jointly form a C₃₋₇ cycloalkyl group together with the carbon atoms to which they are attached;
R² isa hydrogen or an amino which may be substituted or unsubstituted, alkoxy or heterocyclic group which is linked with a nitrogen atom;
R³ isa hydrogen or a C₁₋₄ alkyl, amino, aminomethyl, hydroxy, hydroxymethyl, carboxy or carboxymethyl group;
R⁴ isa hydrogen or a C₁₋₄ alkyl, amino, hydroxy, hydroxyalkl, acetamide, carboxyalkyl or sulfonylethyl group;
R⁵ isa hydrogen or a C₁₋₄ alkyl, amino, carboxy, carboxyalkyl or hydroxy group; and
Q and T areindependently CH or N, provided that R² is an amino group when T is N.
本发明涉及一种头孢菌素化合物,包括其药学上可接受的非毒性盐、生理水解酯、水合物和溶剂化合物,其分子式为(I)及其异构体:其中:R¹为C₁₋₄烷基、C₃₋₄烯基、C₃₋₄炔基或-C(Ra)(Rb)-COOH,其中Ra和Rb分别为氢或C₁₋₄烷基,或者共同形成与它们连接的碳原子一起的C₃₋₇环烷基;R²为氢或与氮原子连接的可取代或不可取代的氨基、烷氧基或杂环基团;R³为氢或C₁₋₄烷基、氨基、氨甲基、羟基、羟甲基、羧基或羧甲基基团;R⁴为氢或C₁₋₄烷基、氨基、羟基、羟基烷基、乙酰胺基、羧基烷基或磺酰乙基基团;R⁵为氢或C₁₋₄烷基、氨基、羧基、羧基烷基或羟基基团;Q和T独立地为CH或N,条件是当T为N时,R²为氨基团。