Preparation of triaryl phosphines
US4008282A · kind A · utility
12Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1974 |
| Grant date | Feb 15, 1977 |
| Priority date | — |
| Expiry date | Oct 29, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/5022
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The conversion of triaryl phosphine oxide to the corresponding phosphine by reduction with hydrogen utilizing sulfur or selenium as the catalyst wherein said reduction is carried out in the presence of silicon tetrahalide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.