申请人:Euro-Celtique, S.A.
公开号:US06440979B1
公开(公告)日:2002-08-27
Disclosed are compounds having formula (II):
wherein: Q3, Q6a, Q6b and Q8 are independently a bond, C1-8 alkylene, C2-8 alkenylene and C2-8 alkynylene, and R3, R6a, R6b and R8 are independently hydrogen, aryl or heteroraryl, optionally substituted by halogen, hydroxy, alkoxy, nitro, cyano and carboxy, provided that: Q3R3 is not hydrogen or methyl. The compounds are effective PDE IV inhibitors and possess improved PDE IV inhibition and improved selectivity with regard to PDE III inhibition.
本发明涉及具有以下式子(II)的化合物:其中:Q3,Q6a,Q6b和Q8独立地是键,C1-8烷基,C2-8烯基和C2-8炔基,而R3,R6a,R6b和R8独立地是氢,芳基或杂芳基,可选择地被卤素,羟基,烷氧基,硝基,氰基和羧基取代,条件是:Q3R3不是氢或甲基。这些化合物是有效的PDE IV抑制剂,并具有改进的PDE IV抑制和改进的选择性,与PDE III抑制有关。