Preparation of ketene acetals
US4513143A · kind A · utility
23Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1982 |
| Grant date | Apr 23, 1985 |
| Priority date | — |
| Expiry date | Dec 1, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C41/48
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Rearrangement of allyl acetals to ketene acetals is disclosed. The rearrangement is accomplished by mixing the allyl acetal with a solution of an alkali metal lower alkyl in a water-soluble primary amine. After several hours contact with the allyl acetal with the solution ketene acetal formed during the contact is separated from the reaction mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.