申请人:Mitsubishi Tanabe Pharma Corporation
公开号:US08034949B2
公开(公告)日:2011-10-11
The present invention relates to a novel pyrrolidine compound, which has a potent antagonistic activity against central cannabinoid (CB1) receptor, having the formula [I]: wherein each of R1 and R2 is (A) optionally substituted aryl (or heteroaryl) group, or (B) both of the groups combine to form a group of the formula: one of R3 and R4 is hydrogen and another is hydrogen, hydroxyl, hydroxyalkyl, etc., or both of R3 and R4 combine to form oxo group, R5 is hydrogen or alkyl, Y is single bond, oxygen atom or a group of the formula: —N(R7)—, R6 is optionally substituted hydrocarbon group or optionally substituted cyclic group, R7 is alkyl or alkyloxycarbonylalkyl, provided that R6 is not 4-amino-5-chloro-2-methoxyphenyl group when Y is single bond and one of the R3 and R4 is hydrogen and another is hydroxymethyl, or a pharmaceutically acceptable salt thereof.
本发明涉及一种新型吡咯烷化合物,具有对中枢大麻素(CB1)受体的强烈拮抗活性,其化学式为[I]:其中R1和R2中的每一个是(A)可选取代芳基(或杂环芳基)基团,或(B)两个基团组合形成一个式子为的基团:R3和R4中的一个是氢,另一个是氢、羟基、羟基烷基等,或R3和R4组合形成氧代基,R5是氢或烷基,Y是单键、氧原子或式子为的基团:—N(R7)—,R6是可选取代的碳氢基团或可选取代的环状基团,R7是烷基或烷氧羰基烷基,前提是当Y为单键且R3和R4中的一个是氢,另一个是羟甲基时,R6不是4-氨基-5-氯-2-甲氧基苯基团,或其药学上可接受的盐。