申请人:Yamanouchi Pharmaceutical Co., Ltd.
公开号:US05830902A1
公开(公告)日:1998-11-03
A quinuclidine derivative represented by the following general formula (I), a pharmaceutically acceptable salt thereof, a hydrate thereof or a solvate thereof, which has strong squalene synthase inhibiting activity and is useful as a cholesterol lowering agent without causing side effects. ##STR1## (Symbols in the formula represent the following meanings; R.sub.1 : a hydrogen atom, a halogen atom or a lower alkyl group, R.sub.2 : a hydrogen atom, a hydroxyl group or a lower alkoxy group, . . : a single bond or a double bond, with the proviso that R.sub.2 does not exist when . . . is a double bond, X and Y: the same or different from each other and each represents a bond, an oxygen atom (--O--), a carbonyl group (--CO--), a group represented by the formula --S(O).sub.p -- or a group represented by the formula --NR.sub.3 --, p: 0, 1 or 2, R.sub.3 : a hydrogen atom or a lower alkyl group which may have a substituent, A: a saturated or unsaturated lower alkylene group, a group of the formula --(CH.sub.2).sub.m Z(CH.sub.2).sub.n -- or a group of the formula --(CH.sub.2).sub.m Z(CH.sub.2).sub.n CR.sub.4 =, Z: an oxygen atom (--O--), a group of the formula --S(O).sub.q --, a carbonyl group (--CO--) or a group of the formula --NR.sub.5 --, R.sub.4 : a hydrogen atom, a halogen atom or a lower alkyl group, R.sub.5 : a hydrogen atom or a lower alkyl group, m and n: the same or different from each other and each is 0 or an integer of 1 to 5, m+n: an integer of 1 to 5 q: 0, 1 or 2, with the proviso that, when either one of X and Y is a bond, A is a group represented by the formula --(CH.sub.2).sub.m Z(CH.sub.2).sub.n CR.sub.4 =.)
一种以以下一般式(I)表示的喹诺啉衍生物,其药学上可接受的盐、水合物或溶剂化合物,具有强烈的角鲨烯合酶抑制活性,可用作降低胆固醇的药物,而不会引起副作用。##STR1##(式中的符号表示以下含义;R.sub.1:氢原子、卤原子或较低的烷基基团,R.sub.2:氢原子、羟基或较低的烷氧基团,...:单键或双键,条件是当...为双键时,R.sub.2不存在,X和Y:相同或不同,每个代表键,氧原子(--O--),羰基(--CO--),由式--S(O).sub.p --表示的基团或由式--NR.sub.3 --表示的基团,p:0、1或2,R.sub.3:氢原子或可能具有取代基的较低烷基基团,A:饱和或不饱和的较低烷基基团,式--(CH.sub.2).sub.m Z(CH.sub.2).sub.n --的基团或式--(CH.sub.2).sub.m Z(CH.sub.2).sub.n CR.sub.4 =的基团,Z:氧原子(--O--),式--S(O).sub.q --的基团,羰基(--CO--)或式--NR.sub.5 --的基团,R.sub.4:氢原子、卤原子或较低烷基基团,R.sub.5:氢原子或较低烷基基团,m和n:相同或不同,每个为0或1至5的整数,m+n:1至5的整数,q:0、1或2,条件是当X和Y中的任一个为键时,A为由式--(CH.sub.2).sub.m Z(CH.sub.2).sub.n CR.sub.4 =表示的基团。