Patent · US Expired

Preparation of phosphinic acids

US4810425A · kind A · utility

3Cited by
5References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 7, 1988
Grant dateMar 7, 1989
Priority date
Expiry dateMar 7, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/30
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of a phosphinic acid, ##STR1## said process comprising reacting a phosphorus oxyhalide, POX.sub.3, with an alkali metal tetraalkyl aluminate, MAlR.sub.4, wherein X is halogen, M is an alkali metal, and R is an alkyl radical.

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