Patent · US Expired

Preparation of tertiary phosphines

US5792884A · kind A · utility

1Cited by

6References

2Claims

0Family size

Assignee

BASF SE

Inventor

Thomas Wettling · Schifferstadt, DE

Key dates

Filing date	Dec 21, 1993
Grant date	Aug 11, 1998
Priority date	—
Expiry date	Dec 21, 2013

Classification

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

Abstract

Tertiary phosphines (I) are prepared by reducing the corresponding phosphine oxides (IIa) or phosphine dihalides (IIb) using silicon or a silicon alloy as reducing agent.

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