申请人:Nippon Chemiphar Co., Ltd.
公开号:US05693651A1
公开(公告)日:1997-12-02
The invention has an object to provide a novel quinoline derivative of the following formula (I) which has no benzyl group in the 5-position and shows hypoglycemic effect, particularly, by oral administration: ##STR1## in which R.sup.1 is hydrogen; an alkyl group of 1-6 carbon atoms, an amino group of the formula of --NR.sup.4 R.sup.5 in which each of R.sup.4 and R.sup.5 independently is hydrogen, alkyl of 1-6 carbon atoms, phenyl, pyridyl, pyrimidyl or benzoyl; or a phenyl group, a naphthyl group, a cycloalkyl group having 3 to 8 carbon atoms, or a 5 to 8 membered heterocyclic group comprising, as ring-constituting atoms, 1 to 2 nitrogens, oxygens or sulfurs and remaining carbon atoms, each of which may have, as a substituent, alkyl of 1-6 carbon atoms, alkoxy of 1-6 carbon atoms, halogen, hydroxyl, halogenoalkyl of 1-6 carbon atoms, halogenoalkoxy of 1-6 carbon atoms, nitro, amino, phenyl, thienyl, furyl, thiazolyl or pyridyl; Z is O, S, C.dbd.O, or CH.sub.2 ; E is S or O; m is an integer of 0 to 4; p is an integer of 0 to 4; q is an integer of 0 to 4; and the double line composed of a broken line and a solid line means a single or double bond.
该发明的目的是提供一种新型喹啉衍生物,其具有以下式(I)中5-位没有苯甲基,并且通过口服具有降血糖作用的特点:##STR1## 其中R.sup.1为氢; 1-6个碳原子的烷基,具有--NR.sup.4 R.sup.5的氨基,其中R.sup.4和R.sup.5各自独立地为氢,1-6个碳原子的烷基,苯基,吡啶基,嘧啶基或苯甲酰基; 或苯基,萘基,具有3-8个碳原子的环状烷基,或由1-2个氮,氧或硫和其余碳原子组成的5-8个成员的杂环基,每个杂环基都可以具有1-6个碳原子的烷基,1-6个碳原子的烷氧基,卤素,羟基,1-6个碳原子的卤代烷基,1-6个碳原子的卤代烷氧基,硝基,氨基,苯基,噻吩基,呋喃基,噻唑基或吡啶基作为取代基; Z为氧,硫,C.dbd.O或CH.sub.2; E为硫或氧; m为0至4的整数; p为0至4的整数; q为0至4的整数; 双线由断线和实线组成,表示单键或双键。