Chlorinated derivatives of hexadecene, their preparation and their use in the synthesis of vitamin E
US4665244A · kind A · utility
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6Claims
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Key dates
| Filing date | Sep 19, 1985 |
| Grant date | May 12, 1987 |
| Priority date | — |
| Expiry date | Sep 19, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/72
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Hexadecene derivatives of the formulae: ##STR1## and ##STR2## in which X and X.sub.1, which may be identical or different, each represent hydrogen or chlorine, and their mixtures, are useful in the preparation of tocopherol and tocopherol acetate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.