申请人:MAY & BAKER LIMITED
公开号:EP0252682A3
公开(公告)日:1990-01-10
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.
公式为:其中R¹代表环烷基、可选取代基的烷基、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,A²代表氮或一个如上所定义的-CR³=基团;Z¹代表氧或硫;R²代表氰基或叠氮基,或者代表公式-COZ²R⁹、-CONHOR⁹、-CONHNR⁹R¹⁰、-CONHNHCOOR⁹、-CONHNHCONHR⁹、-COCR¹¹=N₂、-CONHR¹²或-CON=S(O)R¹³R¹⁴中的一种基团,其中Z²代表氧或硫,R⁹和R¹⁰分别代表氢、可携带可选取代苯基的烷基,或代表可选取代苯基;R¹¹代表氢或烷基;R¹²代表可选取代烷基;R¹³和R¹⁴各代表烷基。当R¹、R²或R³代表或含有酸性基团时,其盐可用作药物;描述了其制备过程和新的中间体。