申请人:Takeda Chemical Industries, Ltd.
公开号:EP1447402A1
公开(公告)日:2004-08-18
A compound, which has a melanin-concentrating hormone antagonistic action and useful as an agent for preventing or treating obesity, and which is represented by the formula:
wherein
Aris a cyclic group optionally having substituent(s) ;
Xis a bond or a spacer having a main chain of 1 to 6 atoms;
R1 and R2are the same or different and each is a hydrogen atom or a hydrocarbon group optionally having substituent(s), or R1 and R2 may form, together with the adjacent nitrogen atom, a nitrogen-containing heterocycle optionally having substituent(s);
Yis a divalent hydrocarbon group optionally having substituent(s) (except CO);
R3is a hydrogen atom or a hydrocarbon group optionally having substituent(s); and
ring A and ring Bmay further have substituents, and when ring B further has a substituent, the substituent may be linked to R1 to form a ring,
or a salt thereof, or a prodrug thereof, is provided.
一种化合物,具有拮抗黑色素浓缩激素的作用,可作为预防或治疗肥胖症的药物,由式表示:
式中
Ar 是一个环状基团,可选择具有取代基;
X 是主链为 1 至 6 个原子的键或间隔物;
R1 和 R2 相同或不同,各自为氢原子或任选具有取代基的烃基,或 R1 和 R2 可与邻近的氮原子一起形成任选具有取代基的含氮杂环;
Y 是可选具有取代基的二价烃基(CO 除外);
R3 是氢原子或可选具有取代基的烃基;以及
环 A 和环 B 可进一步具有取代基,当环 B 进一步具有取代基时,该取代基可与 R1 连接形成一个环、
或其盐或其原药。