Process for preparing organophosphorus and organophosphono fluorines
US4108950A · kind A · utility
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5Claims
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Key dates
| Filing date | Apr 29, 1977 |
| Grant date | Aug 22, 1978 |
| Priority date | — |
| Expiry date | Apr 29, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/425
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of preparing anticholinesterase organophosphoro and organophosph-fluoridates, e.g., GB in situ by mixing a phosphorous ester in an aprotic solvent with a solution of tetraethylammonium in the same solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.