Process for the preparation of unsaturated compound .alpha.-chlorinated with respect to two electron-attracting groups in a .beta.-position
US4806280A · kind A · utility
5Cited by
3References
6Claims
0Family size
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Key dates
| Filing date | Aug 3, 1987 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Aug 3, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/203
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula ##STR1## in which n denotes an integer from 1 to 10 and X and Y, which are identical or different, each denote an electron-attracting group, are made by reacting a halogenating agent with a compound of formula ##STR2## in which R, X and Y are as hereinbefore defined, anionized by a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.