Process for making aryl fluorophosphites useful as stabilizers
US5659060A · kind A · utility
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6Claims
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Key dates
| Filing date | Nov 7, 1996 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Nov 7, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/146
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a process for making compounds of the formula ##STR1## by reacting phosphorus trihalide with the corresponding phenol and fluorinating the resulting halophosphite intermediate, in the presence of a catalyst which comprises dimethylformamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.