Invention Application
- Patent Title: CYCLOHEXENE DERIVATIVES AND THEIR USE AS ODORANTS
- Patent Title (中): 环己酮衍生物及其作为气味的使用
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Application No.: PCT/CH2008000337Application Date: 2008-08-07
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Publication No.: WO2009021342A3Publication Date: 2009-07-30
- Inventor: GOEKE ANDREAS , ZOU YUE
- Applicant: GIVAUDAN SA , GOEKE ANDREAS , ZOU YUE
- Assignee: GIVAUDAN SA,GOEKE ANDREAS,ZOU YUE
- Current Assignee: GIVAUDAN SA,GOEKE ANDREAS,ZOU YUE
- Priority: GB0715496 2007-08-10
- Main IPC: C07C47/45
- IPC: C07C47/45 ; C07C35/18 ; C07C35/27 ; C07C47/445
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, a,ß-unsaturated aldehydes using formaldehyde in the presence of 1,3-butadienes
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