Patent · US Expired

Production of phosphinites and phosphonites

US4751321A · kind A · utility

2Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 3, 1987
Grant dateJun 14, 1988
Priority date
Expiry dateFeb 3, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/46
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Phosphinites or phosphonites are produced by reacting potassium or sodium aryls with compounds of formula ROPClX in which X is an R'O, Cl or aryl group, R and R' being alkyl or cycloalkyl groups at a temperature of at most 10.degree. C.

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