申请人:ZENECA LIMITED
公开号:EP0736531A1
公开(公告)日:1996-10-09
The invention relates to alpha-substituted pyridazinoquinoline compounds of the formula I:
wherein Ring A is chosen from an ortho fused aromatic or heteroaromatic five- or six-membered ring; R1 is selected from a variety of substituents including halogen, (1-4C)alkyl and nitro; R2 is selected from a group of the formula R2', R2'' or R2''' wherein R2' is -CHR3(CH2)nC(O)NR5R6; R2'' is -CHR3(CH2)nR4 and R2''', is -CHR3(CH2)nL wherein n is 0-6; R5 is aryl or substituted aryl; R6 is (1-6C)alkyl or hydrogen; R3 is (1-6C)alkyl, (0-6C)alkylCF3 or (0-6C)alkylCOOR'; R4 is (1-6C)alkyl, (2-6C)alkyl containing a double or triple bond, or (0-6C)alkylaryl; L is a variety of substituents including phenyl, heteroaryl and CO2R'; R' is hydrogen or (1-4C)alkyl; Z is selected from oxo, -OH, H,H-, H, (1-6C)alkyl or (1-6C)alkylaryl; and R7 is hydrogen or -(CO)R8 wherein R8 is a variety of substituents including hydrogen and (1-12C) alkyl.
本发明涉及式 I 的α-取代哒嗪喹啉化合物:
其中环 A 选自正交融合的芳香族或杂芳族五元或六元环;R1 选自各种取代基,包括卤素、(1-4C)烷基和硝基;R2选自式 R2'、R2''或 R2'''的基团,其中 R2'是-CHR3(CH2)nC(O)NR5R6;R2''是-CHR3(CH2)nR4,R2'''是-CHR3(CH2)nL,其中 n 是 0-6;R5 是芳基或取代芳基;R6 是(1-6C)烷基或氢;R3是(1-6C)烷基、(0-6C)烷基CF3或(0-6C)烷基COOR';R4是(1-6C)烷基、含有双键或三键的(2-6C)烷基或(0-6C)烷芳基;L是各种取代基,包括苯基、杂芳基和 CO2R';R' 是氢或 (1-4C) 烷基;Z 选自氧代、-OH、H、H-、H、(1-6C) 烷基或 (1-6C) 烷芳基;以及 R7 是氢或-(CO)R8,其中 R8 是包括氢和 (1-12C) 烷基在内的各种取代基。