申请人:ZENECA LIMITED
公开号:EP0515108A2
公开(公告)日:1992-11-25
A compound of the formula I
wherein :
A1 and A2 are each independently N or CT in which T is hydrogen or (1-4C)alkyl ;
R1 and R2 are each independently hydrogen, (1-6C)alkyl, or (1-4C)alkanoyl;
X1 and X2 are each independently 0, S or NH ; and
L is a (3-7C)cycloalkylene group or a (1-8C)alkylene chain optionally interrupted or extended by a group selected from phenylene, phenyleneoxy or oxyphenyleneoxy, the phenylene portion of said group being unsubstituted or substituted by one of halogen, hydroxy and (1-4C)alkoxy, provided that all heteroatoms in the group X1-L-X2 are separated from one another by at least two carbon atoms ; or a pharmaceutically acceptable salt thereof, processes for preparing the compounds and pharmaceutical compositions containing them. The compounds are useful as adenosine antagonists.
式 I 的化合物
其中:
A1和A2各自独立地为N或CT,其中T为氢或(1-4C)烷基;
R1和R2各自独立地为氢、(1-6C)烷基或(1-4C)烷酰基;
X1 和 X2 各自独立地为 0、S 或 NH;以及
L是(3-7C)环亚烷基或(1-8C)亚烷基链,可任选被选自亚苯基、亚苯基氧基或氧基亚苯基氧基的基团打断或延伸,所述基团的亚苯基部分未被取代或被卤素、羟基和(1-4C)烷氧基中的一种取代,条件是基团 X1-L-X2 中的所有杂原子彼此至少相隔两个碳原子;或其药学上可接受的盐、制备化合物的工艺和含有这些化合物的药物组合物。这些化合物可用作腺苷拮抗剂。