申请人:Kanebo Ltd.
公开号:US04607031A1
公开(公告)日:1986-08-19
An ethyl benzylphosphinate derivative represented by the general formula (I) ##STR1## wherein Y represents a hydrogen or fluorine atom, X represents a methylene group or an oxygen atom, and n is 2, 3 or 4. The said compounds can be produced by reacting a compound represented by the following formula (II) ##STR2## wherein Y is as defined above, with a compound represented by the following formula (III) ##STR3## wherein X and n are as defined, and M is an alkali metal atom, in an inert medium. These compounds are useful as a calcium antagonist.
一种以一般式(I)表示的乙基苯基膦酸盐衍生物,其中Y代表氢原子或氟原子,X代表亚甲基基团或氧原子,n为2、3或4。所述化合物可以通过在惰性介质中反应以下式子(II)所表示的化合物:##STR2## 其中Y如上所定义,与以下式子(III)所表示的化合物反应而制得:##STR3## 其中X和n如上所定义,M为碱金属原子。这些化合物可用作钙拮抗剂。