.beta.,.beta.-Chlorinated and brominated ethers
US3940449A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 15, 1972 |
| Grant date | Feb 24, 1976 |
| Priority date | — |
| Expiry date | Nov 15, 1992 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C43/123
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds are prepared having the formula EQU X -- B -- [--O--A--].sub.n X' (hereinafter referred to as AAE's), wherein X and X' are chlorine or bromine atoms, n is an integer from 1 to about 4, A is a vicinal alkylene group of up to about 8 carbon atoms and may bear a phenyl, chlorine, bromine or hydroxy substituent, and B is a vicinal alkylene group of from 8 to about 18 carbon atoms and may bear a chlorine, bromine or aromatic substituent. The above compounds are prepared by reacting the halogen XX' with a mixture of the B mono-olefin (hereinafter BMO) and the epoxide AO. The compounds are useful as solvents and dielectric fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.