2-Methyl-2-hepten-6-on-1-al acetals
US3932520A · kind A · utility
5Cited by
2References
2Claims
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Key dates
| Filing date | Jun 3, 1974 |
| Grant date | Jan 13, 1976 |
| Priority date | — |
| Expiry date | Jun 3, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11B9/0015
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2-METHYL-2-HEPTEN-6-ON-1-AL ACETALS AND A METHOD FOR THE PRODUCTION OF THESE COMPOUNDS. The acetals are obtained by reacting the acetals of 2-methyl-4-halo-2-buten-1-al with an alkali compound of an ester of acetoacetic acid and eliminating, by means of an alkali, the alkoxycarbonyl group from the intermediate obtained. 2-methyl-2-hepten-6-on-1-al is obtained from the acetals by acid hydrolysis. The products are perfumes having a pleasant fruity odor and are intermediates for advantageous synthesis of the natural orange aromatics and orange odorants .alpha.-sinensal and .beta.-sinensal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.