Cyclohexene derivatives and their use as odorants
US8304380B2 · kind B2 · utility
1Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2008 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Jun 2, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the production of formyl cyclohexene derivatives which are suitable as odorants as such or as intermediates for the preparation of further odorants. In particular the present invention relates to a domino-methylenation-Diels-Alder reaction of α,β-unsaturated aldehydes using formaldehyde in the presence of 1,3-butadienes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.