Halogenated hydrocarbons and a method for their preparation
US4259263A · kind A · utility
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4Claims
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Key dates
| Filing date | Oct 1, 1979 |
| Grant date | Mar 31, 1981 |
| Priority date | — |
| Expiry date | Oct 1, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/25
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A halogenated hydrocarbon having the general formula: ##STR1## wherein Y represents fluorine, chlorine, bromine or --(CF.sub.2).sub.m W, R represents hydrogen or lower alkyl, R.sup.1 represents lower alkyl, X represents chlorine, bromine or iodine, W represents hydrogen, fluorine or chlorine and m is 1 or 2, is prepared by heating a compound having the general formula: ##STR2## wherein R, R.sup.1, X, Y, W and m have the meanings given above and Z represents chlorine, bromine or iodine, in a polar aprotic solvent together with an alkanolamine, optionally in the presence of a copper salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.