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,其对中枢
大麻素(CB1)受体具有强效的拮抗活性,
化学式为[I]:其中R1和R2中的每一个是(A)可选择取代的芳基(或杂环芳基)基团,或(B)两个基团结合形成下式的基团:R3和R4中的一个是
氢,另一个是
氢、羟基、羟基烷基等,或者R3和R4中的两个结合形成
酮基团,R5是
氢或烷基,Y是单键、
氧原子或下式的基团:-N(R7)-,R6是可选择取代的烃基团或可选择取代的
环烷基团,R7是烷基或烷
氧羰基烷基,但要求当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。