Process for the preparation of .alpha.,.beta.-unsaturated ketones
US4480132A · kind A · utility
1Cited by
6References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 21, 1983 |
| Grant date | Oct 30, 1984 |
| Priority date | — |
| Expiry date | Nov 21, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a process for the preparation of .alpha.,.beta.-unsaturated ketones containing a 2-oxopropylidene moiety by the reaction of an aldehyde with a 2,2-dialkyl-4-methyl-6-keto-1,3-dioxene in the presence of a catalytic amount of certain metallic halides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.