Patent · US Expired

Novel ethyl benzylphosphinate derivatives, process for production thereof, and their use as calcium antagonist

US4607031A · kind A · utility

2Cited by
2References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1985
Grant dateAug 19, 1986
Priority date
Expiry dateMay 22, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/65583
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.