Optically active alkyl 3-aryl-3-hydroxypropionates and a method for producing thereof
申请人:CHISSO CORPORATION
公开号:EP0451668A2
公开(公告)日:1991-10-16
The invention relates to optically active alkyl 3-aryl-3-hydroxypropionates represented by the general formula:
wherein R¹, R², R³, R ⁴ and R⁵ are hydrogen, hydroxyl, alkoxy of 1-4 carbon atoms, benzyloxy, flurorine, chlorine or bromine and R⁶ is alkyl,
and a method for producing the above compounds.
Process for the production of optically active alkyl 3-aryl-3-hydroxypropionates
申请人:CHISSO CORPORATION
公开号:EP0451668B1
公开(公告)日:1997-08-13
US5202457A
申请人:——
公开号:US5202457A
公开(公告)日:1993-04-13
Catalysis of Mukaiyama Aldol Reactions by a Tricyclic Aluminum Alkoxide Lewis Acid
作者:Steven M. Raders、John G. Verkade
DOI:10.1021/jo9009134
日期:2009.8.7
The Mukayiama aldolreaction of aldehydes is efficiently accomplished with a low concentration of the dimeric alumatrane catalyst 2 at mild or subambient temperatures. Our protocol tolerates a wide variety of electron-rich, neutral, and deficient aryl, alkyl, and heterocyclic aldehydes. A wide variety of enol silyl ethers are also tolerated. An intermediate that was isolated provides mechanistic information