New 1-Methoxy-2-Phenyl Ethenes Useful for the Preparation of 5-Carboxaldehyde-2-3-Dihydrobenzoxepines
申请人:Saleh Twana
公开号:US20070219381A1
公开(公告)日:2007-09-20
The present invention relates to the compounds of general formula (I)
wherein R, R
1
, R
2
are as defined in claim
1.
Compounds of formula (I) are particularly useful for preparing 3,3-dimethyl-5-formyl-2,3-dihydrobenzoxepines derivatives.
NEW 1-METHOXY-2-PHENYL ETHENES FOR THE PREPARATION OF 5-CARBOXALDEHYDE-2-3-DIHYDROBENZOXEPINES
申请人:Merck Patent GmbH
公开号:EP1740523A1
公开(公告)日:2007-01-10
US7442814B2
申请人:——
公开号:US7442814B2
公开(公告)日:2008-10-28
[EN] NEW 1-METHOXY-2-PHENYL ETHENES FOR THE PREPARATION OF 5-CARBOXALDEHYDE-2-3-DIHYDROBENZOXEPINES<br/>[FR] ETHENES 1-METHOXY-2-PHENYLE POUR LA PREPARATION DE 5-CARBOXALDEHYDE-2-3-DIHYDROBENZOXEPINES
申请人:MERCK PATENT GMBH
公开号:WO2005102977A1
公开(公告)日:2005-11-03
The present invention relates to the compounds of general formula (I): wherein R, R1, R2 are as defined in claim 1. Compounds of formula (I) are particularly useful for preparing 3,3-dimethyl-5-formyl-2,3-dihydrobenzoxepines derivatives.
New 1-methoxy-2-phenyl ethenes useful for the preparation of 5-carboxaldehyde-2-3-dihydrobenzoxepines