Process for the preparation of catalysts
US5912376A · kind A · utility
11Cited by
0References
9Claims
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Key dates
| Filing date | Oct 27, 1997 |
| Grant date | Jun 15, 1999 |
| Priority date | — |
| Expiry date | Oct 27, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F15/002
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of a metal carbene, in which a metal salt is first reacted in the presence of a base and a secondary or tertiary alcohol with a tertiary phosphine or phosphite or a ditertiary diphosphine or diphosphite and then reacted in the presence of an acid with an alkyne and, if desired, an alkene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.