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.