Process for preparing (metal) alkylphosphonites II
US6815558B1 · kind B1 · utility
3Cited by
17References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 25, 2000 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | May 25, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/4816
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for the preparation of (metal) salts of alkylphosphonous acids, which comprises reacting elemental yellow phosphorus with alkyl halides in the presence of carbonates, bicarbonates, amides, alkoxides, amine bases and/or solid hydroxides as bases.The invention also relates to the use of the (metal) salts of alkylphosphonous acids prepared by this process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.