Title:
METHOD FOR PREPARING 3-CYCLOPENTYLOXY-4-METHOXYBENZALDEHYDE
Document Type and Number:
WIPO Patent Application WO2005100291
Kind Code:
A3
Abstract:
Processes for coupling phenol and cycloalkyls including combining an optionally substituted phenol, a cycloalkyl substituted with a leaving group, carbonate salt, tetrahydrofuran, and an optional phase transfer agent are provided. Also provided are processes for preparing 3-cyclopentyloxy-4-methoxybenzaldehyde by combining 3-hydroxy-4-methoxybenzaldehyde, a cyclopentyl compound, a carbonate salt, a solvent, and an optional phase transfer agent.
Inventors:
WILK BOGDAN KAZIMIERZ (US)
MWISIYA NALUKUI (US)
HELOM JEAN LOUISE (US)
MWISIYA NALUKUI (US)
HELOM JEAN LOUISE (US)
Application Number:
PCT/US2005/014022
Publication Date:
December 15, 2005
Filing Date:
April 07, 2005
Export Citation:
Assignee:
WYETH CORP (US)
WILK BOGDAN KAZIMIERZ (US)
MWISIYA NALUKUI (US)
HELOM JEAN LOUISE (US)
WILK BOGDAN KAZIMIERZ (US)
MWISIYA NALUKUI (US)
HELOM JEAN LOUISE (US)
International Classes:
C07C41/01; C07C41/26; C07C43/253; C07C45/64; C07C45/71; C07C45/90; C07C47/575; (IPC1-7): C07C45/64; C07C47/575
Foreign References:
| US4102495A | 1978-07-25 | |||
| US5665737A | 1997-09-09 | |||
| US4308278A | 1981-12-29 |
Other References:
DATABASE BEILSTEIN Institut für das Förderung der Chemischen Wissenschaften; XP002350507, accession no. 1615269
DATABASE BEILSTEIN Institut zur Förderung der Chemischen Wissenschaften; XP002350512, accession no. 3864124
DATABASE BEILSTEIN Institut zur Förderung der Chemischen Wissenschaften; XP002350512, accession no. 3864124
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