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.
本发明提供了式(I)的5,6-二氢二苯并[a,g]喹啉衍生物及其盐,该衍生物特异性地抑制甾醇14-还原酶,该酶参与胆固醇生物合成的远端途径,并且该化合物的用于治疗高胆固醇血症或高脂血症。其中,R^1和R^2可以相同也可以不同,表示具有1到4个碳的羟基或烷氧基,或者R^1和R^2一起表示亚甲二氧基基团;R^3表示具有1到4个碳的羟基或烷氧基;R^4表示氢原子,具有1到8个碳的烷基,或具有3到8个碳的烯基;X表示无机酸离子、有机酸离子或卤素,特别是硝酸盐、硫酸盐、乙酸盐、酒石酸盐、马来酸盐、琥珀酸盐、柠檬酸盐、富马酸盐、天冬氨酸盐、水杨酸盐、甘油酸盐、抗坏血酸盐、氟化物、氯化物、碘化物或溴化物;Z表示具有5到12个碳的烷基或具有4到6个碳的烯基、N-苯并三唑基、喹啉基、呋喃基、取代呋喃基或由式(II)表示的基团:其中,Z^1、Z^2、Z^3、Z^4和Z^5可以相同也可以不同,表示氢原子、卤素、具有1到5个碳的烷基、三氟甲基基团、苯基、取代苯基、硝基、具有1到4个碳的烷氧基、亚甲二氧基基团、三氟甲氧基、羟基、苄氧基、苯氧基、烯丙基、苯磺酰甲基或甲氧羰基;A和B可以相同也可以不同,表示碳或氮。