Clay Montmorillonite: An Efficient, Heterogeneous Catalyst for Michael Reactions of Silyl Ketene Acetals and Silyl Enol Ethers with α,β-Unsaturated Carbonyl Compounds
作者:Motomitsu Kawai、Makoto Onaka、Yusuke Izumi
DOI:10.1246/bcsj.61.2157
日期:1988.6
The Michael addition of silyl ketene acetals to α,β-unsaturated esters (enoates) is investigated. The reaction is catalyzed by clay montmorillonite (solid acid) most effectively among various, homo...
Enantioselective Michael reactions. Stereoselective addition of enolates of phenmenthol esters to crotonates
作者:E.J. Corey、Richard T. Peterson
DOI:10.1016/s0040-4039(01)80843-1
日期:——
A method is described for enantioselective synthesis which is based on the stereoselective Michael addition of phenmenthol enolates such as 5 to -crotonate esters. A stereomechanistic rationale is presented.
PROCESS FOR MAKING HYDROXYLATED CYCLOPENTYLPYRIMIDINE COMPOUNDS
申请人:Array BioPharma Inc.
公开号:US20150099881A1
公开(公告)日:2015-04-09
The invention provides new processes for making and purifying hydroxylated cyclopenta[d]pyrimidine compounds, which are useful for the treatment of diseases such as cancer as AKT protein kinase inhibitors, including the compound (S)-2-(4-chlorophenyl)-1-(4-((5R,7R)-7-hydroxy-5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)piperazin-1-yl)-3-(isopropylamino)propan-1-one.