Preparation of ketene acetals by rearrangement of allyl and substituted allyl acetals
US4532335A · kind A · utility
25Cited by
2References
5Claims
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Key dates
| Filing date | Mar 7, 1983 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | Mar 7, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D493/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Allyl acetals and substituted allyl acetals are rearranged to produce ketene acetals by heating the acetals in a solution of an alkali metal alkoxide in an ethylene amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.