The present invention provides a phosphorus-containing isoprenoid derivative represented by the following general formula (I) or a pharmacologically acceptable salt thereof, which is useful as a preventive and therapeutic agent for diseases for which a squalene synthetase inhibiting action is efficacious: ##STR1## wherein R.sup.1 and R.sup.2 each represent a hydrogen atom, a lower alkyl, cycloalkyl, alkenyl or alkynyl group, an aryl group which may be substituted, an arylalkyl group in which the aryl group may be substituted, or a heteroaryl or heteroarylalkyl group: R.sup.3 and R.sup.4 each represent a hydrogen atom, a lower alkyl group or an alkali metal; Y represents a group represented by the formula: ##STR2## (wherein R.sup.5 and R.sup.6 each represent a hydrogen atom, a lower alkyl group or an alkali metal or a group represented by the formula: --CO.sub.2 R.sup.7 (wherein R.sup.7 represents a hydrogen atom, a lower alkyl group or an alkali metal); Z represents a group represented by the Formula: --(CH.sub.2).sub.m -- (wherein m is an integer of 0 to 3), a group represented by the formula: --(CH.sub.2).sub.p --CH.dbd.CH--(CH.sub.2).sub.q -- (wherein p is 0 or 1 and q is 1 or 2) or a group represented by the Formula: ##STR3## (wherein R.sup.8 represents a hydrogen atom or a lower alkyl group; A represents an alkylene chain which has 1 to 5 carbon atoms and which may have a substituent on each carbon atom; and r is zero or an integer of 1 to 5); and n is zero or an integer of 1 to 5.
本发明提供了一种
磷含量的
异戊二烯衍
生物,其由以下一般式(I)表示,或其药理学上可接受的盐,该衍
生物对于具有
角鲨烯合酶抑制作用有效的疾病作为预防和治疗剂有用:##STR1## 其中R.sup.1和R.sup.2分别表示氢原子,较低的烷基,环烷基,烯基或炔基,可能被取代的芳基,可能被取代的芳基烷基,或杂芳基或杂芳基烷基:R.sup.3和R.sup.4分别表示氢原子,较低的烷基或碱
金属;Y表示由以下式表示的基团:##STR2##(其中R.sup.5和R.sup.6分别表示氢原子,较低的烷基或碱
金属,或由以下式表示的基团:--CO.sub.2 R.sup.7(其中R.sup.7表示氢原子,较低的烷基或碱
金属);Z表示由以下式表示的基团:--(CH.sub.2).sub.m--(其中m是0到3的整数),由以下式表示的基团:--(CH.sub.2).sub.p--CH.dbd.CH--(CH.sub.2).sub.q--(其中p为0或1,q为1或2),或由以下式表示的基团:##STR3##(其中R.sup.8表示氢原子或较低的烷基;A表示具有1到5个碳原子并且每个碳原子上可能有取代基的烷基链;r为零或1到5的整数);n为零或1到5的整数。