申请人:TAISHO PHARMACEUTICAL CO., LTD
公开号:EP1295608A1
公开(公告)日:2003-03-26
There are provided a therapeutic preparation for anxiety neurosis or depression which comprises a MC4 receptor antagonist as an effective ingredient; and a piperazine derivative represented by Formula [1]:
[wherein Ar1 is a phenyl group, a substituted phenyl group, a naphthyl group or a substituted naphthyl group; Ar2 is a naphthyl group, a substituted naphthyl group, a quinolyl group, a group represented by the formula:
(wherein R4 is a hydrogen atom or a halogen atom; and X-Y is CH-NH, CH-O, CH-S or N-O) or a group represented by the formula:
(wherein R5 is a hydrogen atom, a hydroxyl group or a C1-10 alkoxy group); R1 is a hydrogen atom, a C1-10 alkyl group, a C3-8 cycloalkyl group, a C3-10 alkenyl group, a phenyl group, a 1-cyanoethyl group, a pyrimidin-2-yl group or an amidyl group; R2 and R3 are the same or different, and are each a hydrogen atom or a C1-10 alkyl group; A-B is N-CH2, CH-CH2, C(OH)-CH2 or C=CH; T1 is a single bond, -N(R6)- (wherein R6 is a hydrogen atom or a C1-10 alkyl group), -O-, -CH=CH- or -C(=O)-; n is an integer of from 1 to 10 and when T1 is a single bond, -CH=CH- or -C(=O)-, n is an integer of from 2 to 10 when T1 is -N(R6)- or -O-], or a pharmaceutically acceptable salt thereof.
提供了一种治疗焦虑神经症或抑郁症的制剂,它包括作为有效成分的 MC4 受体拮抗剂;以及由式[1]表示的哌嗪衍生物:
其中Ar1是苯基、取代的苯基、萘基或取代的萘基;Ar2是萘基、取代的萘基、喹啉基、由式[1]代表的基团:
(其中 R4 是氢原子或卤素原子;X-Y 是 CH-NH、CH-O、CH-S 或 N-O)或由式表示的基团:
(其中 R5 是氢原子、羟基或 C1-10 烷氧基);R1 是氢原子、C1-10 烷基、C3-8 环烷基、C3-10 烯基、苯基、1-氰乙基、嘧啶-2-基或酰胺基;R2 和 R3 相同或不同,且各自是氢原子或 C1-10 烷基;A-B是N-CH2、CH-CH2、C(OH)-CH2或C=CH;T1是单键、-N(R6)-(其中R6是氢原子或C1-10烷基)、-O-、-CH=CH-或-C(=O)-;n 为 1-10 的整数,当 T1 为单键时,为-CH=CH-或-C(=O)-,当 T1 为-N(R6)-或-O-时,n 为 2-10 的整数],或其药学上可接受的盐。