Chlorinated .beta.-ketoesters
US4906414A · kind A · utility
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1References
1Claims
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Inventor
Key dates
| Filing date | Jan 25, 1989 |
| Grant date | Mar 6, 1990 |
| Priority date | — |
| Expiry date | Jan 25, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/203
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New chlorinated .beta.-ketoesters of the formula: ##STR1## wherein R represents alkyl of 1 through 6 carbon atoms or alkenyl of 2 through 6 carbon atoms, and R.sub.1 represents alkyl of 1 through 4 carbon atoms, their preparation and their use for the preparation of ethylenic ketones of the formula: ##STR2## wherein R is as hereinbefore defined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.