申请人:Hanwha Corporation
公开号:US06028197A1
公开(公告)日:2000-02-22
The present invention provides a 5,6-dihydrodibenzo[a,g]quinolizinium derivative and the salts thereof of formula (I) which specifically inhibits the sterol 14-reductase which is involved in the distal pathway of cholesterol biosynthesis, and the use of the compound of formula (I) for treating hypercholesterolaemia or hyperlipidaemia. ##STR1## wherein, R.sup.1 and R.sup.2 which may be the same or different from each other, represent a hydroxy group or an alkoxy group having 1 to 4 carbons or R.sup.1 and R.sup.2 together represent a methylenedioxy group; R.sup.3 represents a hydroxy group or an alkoxy group having 1 to 4 carbons; R.sup.4 represents a hydrogen atom, an alkyl group having 1 to 8 carbons, or an alkenyl group having 3 to 8 carbons; X represents inorganic acid ion, organic acid ion or halide, more particularly, nitrate, sulfate, acetate, tartrate, maleate, succinate, citrate, fumarate, aspartate, salicylate, glycerate, ascorbate, fluoride, chloride, iodide or bromide, Z represents an alkyl group having 5 to 12 carbons, or an alkenyl group having 4 to 6 carbons, a N-benzotriazolyl group, a quinolinyl group, a furyl group, a substituted furyl group, or a radical represented by the formula ##STR2## wherein Z.sup.1, Z.sup.2, Z.sup.3, Z.sup.4 and Z.sup.5 which may be the same or different from each other, represent a hydrogen atom, halogen, an alkyl group having 1 to 5 carbons, a trifluoromethyl group, a phenyl group, a substituted phenyl group, a nitro group, an alkoxy group having 1 to 4 carbons, a methylenedioxy group, a trifluoromethoxy group, a hydroxy group, a benzyloxy group, a phenoxy group, a vinyl group, a benzenesulfonylmethyl group or a methoxycarbonyl group; and A and B which may be the same or different from each other, represent carbon or nitrogen.
本发明提供了一种5,6-二氢二苯并[a,g]喹啉铵衍生物及其盐,其具有式(I)的结构,特异性地抑制参与胆固醇生物合成远端途径的甾醇14-还原酶,并且利用式(I)化合物治疗高胆固醇血症或高脂血症。其中,R.sup.1和R.sup.2可以相同也可以不同,代表一个具有1到4个碳的羟基或烷氧基,或者R.sup.1和R.sup.2一起代表一个亚甲二氧基基团;R.sup.3代表一个具有1到4个碳的羟基或烷氧基;R.sup.4代表一个氢原子,一个具有1到8个碳的烷基,或一个具有3到8个碳的烯基;X代表无机酸离子、有机酸离子或卤素,更具体地说,是硝酸根离子、硫酸根离子、乙酸根离子、酒石酸根离子、马来酸根离子、琥珀酸根离子、柠檬酸根离子、富马酸根离子、天冬氨酸根离子、水杨酸根离子、甘油酸根离子、抗坏血酸根离子、氟化物、氯化物、碘化物或溴化物;Z代表一个具有5到12个碳的烷基,或一个具有4到6个碳的烯基,一个N-苯并三唑基团,一个喹啉基团,一个呋喃基团,一个取代呋喃基团,或一个由式子所代表的基团。其中,Z.sup.1、Z.sup.2、Z.sup.3、Z.sup.4和Z.sup.5可以相同也可以不同,代表一个氢原子、卤素、一个具有1到5个碳的烷基,三氟甲基基团,苯基,取代苯基,硝基,一个具有1到4个碳的烷氧基,亚甲二氧基基团,三氟甲氧基基团,羟基,苄氧基,苯氧基,乙烯基,苯甲磺酰甲基,或甲氧羰基;A和B可以相同也可以不同,代表碳或氮。