Patent · US Expired

Process for preparing tertiary phosphines

US4507504A · kind A · utility

4Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 1983
Grant dateMar 26, 1985
Priority date—
Expiry dateNov 25, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/509
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Tertiary phosphine oxides, such as triphenylphosphine oxide, are reduced to the corresponding phosphines in the presence of a trialkylaluminum/boron trihalide reducing agent.

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