申请人:MAY & BAKER LIMITED
公开号:EP0252682A2
公开(公告)日:1988-01-13
Tetrazines of the formula:
wherein R¹ represents cycloalkyl, optionally substituted alkyl, alkenyl or alkynyl, A¹ represents nitrogen or -CR³= wherein R³ represents hydrogen or a substituent, A² represents nitrogen or, when A¹ represents nitrogen, A² represents nitrogen or a group -CR³= as hereinbefore defined, Z¹ represents oxygen or sulphur, and R² represents a cyano or azidocarbonyl group or a group of the formula -COZ²R⁹, -CONHOR⁹, -CONHNR⁹R¹⁰, -CONHNHCOOR⁹, -CONHNHCONHR⁹ -COCR¹¹=N₂, -CONHR¹² or -CON=S(O)R¹³R¹⁴ wherein Z² is oxygen or sulphur and R⁹ and R¹⁰ each represents hydrogen, alkyl which may carry an optionally substituted phenyl substituent, or represents optionally substituted phenyl, R¹¹ represents hydrogen or alkyl, and R¹² represents optionally substituted alkyl and R¹³ and R¹⁴ each represent alkyl, and when R¹, R², or R³ represents or contains an acidic group, salts thereof are useful as pharmaceuticals; processes for their preparation and new intermediates are described.
式中的四嗪:
其中 R¹ 代表环烷基、任选取代的烷基、烯基或炔基,A¹ 代表氮或-CR³= 其中 R³ 代表氢或取代基,A² 代表氮或当 A¹ 代表氮时、Z¹ 代表氧或硫,R² 代表氰基或叠氮羰基或式-COZ²R⁹、-CONHOR⁹、-CONHNR⁹R¹⁰、-CONHNHCOOR⁹、-CONHNHCONHR⁹ -COR¹=N₂的基团、-CONHR¹²或-CON=S(O)R¹³R¹⁴,其中 Z² 是氧或硫,R⁹和 R¹⁰ 各自代表氢、可带有任选取代的苯基取代基的烷基或代表任选取代的苯基、 R¹¹代表氢或烷基,R¹²代表任选取代的烷基,R¹³和R¹⁴各自代表烷基,当R¹、R²或R³代表或含有酸性基团时,其盐可用作药物;描述了其制备工艺和新的中间体。