Disclosed is a squalene synthetase inhibitor which comprises the compound represented by the formula ##STR1## wherein R.sub.1 is hydrogen or an optionally substituted hydrocarbon group; R.sub.2 is hydrogen, an optionally substituted alkyl group, an optionally substituted phenyl group or an optionally substituted aromatic heterocyclic ring group; X' is a substituent comprising an optionally esterified carboxyl group, an optionally substituted carbamoyl group, an optionally substituted hydroxyl group, an optionally substituted amino group or an optionally substituted heterocyclic radical having a protonizable hydrogen; Ring A is an optionally substituted benzene ring or an optionally substituted aromatic heterocyclic ring; Ring J' is a 7- to 8-membered heterocyclic ring containing at most three ring constituting hetero atoms; D is C or N; the Ring J' optionally having, besides R.sub.1, R.sub.2 and X', a further substituent; provided that the condensed ring composed of Ring A and ring J' is not a 2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepine ring, or a pharmaceutically acceptable salt thereof, and which is useful for the prophylaxis or therapy of hypercholesteremia or coronary sclerosis of mammals.
本发明涉及一种
角鲨烷合成酶抑制剂,其包括如下式所示的化合物:##
STR1##其中,R.sub.1是
氢或可选取代的
碳氢基团;R.sub.2是
氢、可选取代的烷基团、可选取代的
苯基团或可选取代的芳香族杂环环基团;X'是取代基,包括可选
酯化的羧基团、可选取代的
氨基甲酰基团、可选取代的羟基团、可选取代的
氨基团或可质子化
氢的可选取代杂环基团;环A是可选取代的
苯环或可选取代的芳香族杂环环;环J'是含有最多三个环构成杂原子的7-至8-成员杂环环;D是C或N;环J'除了R.sub.1、R.sub.2和X'外,还可具有进一步的取代基;但是,由环A和环J'组成的缩合环不是2-
氧代-1,2,3,5-四
氢-4,1-
苯并
噁唑环,或其药学上可接受的盐,该化合物对于哺乳动物的高
胆固醇血症或
冠状动脉硬化的预防或治疗具有用途。