申请人:NOVARTIS AG
公开号:EP1978012A1
公开(公告)日:2008-10-08
The present invention relates to synthetic routes to prepare a compound of the formula
wherein R1 is halogen, C1-6halogenalkyl, C1-6alkoxy-C1-6alkyloxy or C1-6alkoxy-C1-6alkyl; R2 is halogen, C1-4alkyl or C1-4alkoxy; R3 and R4 are independently branched C3-6alkyl; and R5 is cycloalkyl, C1-6alkyl, C1-6hydroxyalkyl, C1-6alkoxy-C1-6alkyl, C1-6alkanoyloxy-C1-6alkyl, C1-6aminoalkyl, C1-6alkylamino-C1-6alkyl, C1-6dialkylamino-C1-6alkyl, C1-6alkanoylamino-C1-6alkyl, HO(O)C-C1-6alkyl, C1-6alkyl-O-(O)C-C1-6alkyl, H2N-C(O)-C1-6alkyl, C1-6alkyl-HN-C(O)-C1-6alkyl or (C1-6alkyl)2N-C(O)-C1-6alkyl; or a pharmaceutically acceptable salt thereof as well as key intermediates obtained when following these routes as well as their preparation.
本发明涉及合成路线以制备一个化合物,其化学式为:其中,R1为卤素,C1-6卤代烷基,C1-6烷氧基-C1-6烷氧基或C1-6烷氧基-C1-6烷基;R2为卤素,C1-4烷基或C1-4烷氧基;R3和R4分别是支链C3-6烷基;R5为环烷基,C1-6烷基,C1-6羟基烷基,C1-6烷氧基-C1-6烷基,C1-6酰氧基-C1-6烷基,C1-6氨基烷基,C1-6烷基氨基-C1-6烷基,C1-6二烷基氨基-C1-6烷基,C1-6酰胺基烷基,HO(O)C-C1-6烷基,C1-6烷基-O-(O)C-C1-6烷基,H2N-C(O)-C1-6烷基,C1-6烷基-HN-C(O)-C1-6烷基或(C1-6烷基)2N-C(O)-C1-6烷基;或其药学上可接受的盐,以及在遵循这些路线时获得的关键中间体及其制备方法。