Ketene bis(trimethylsilyl) acetals. Cross-aldol condensation with aldehydes. Stereochemistry of the reaction
作者:Jacques-Emile Dubois、Georges Axiotis、Emmanuel Bertounesque
DOI:10.1016/s0040-4039(01)91225-0
日期:1984.1
The titanium tetrachloride catalyzed condensation of the title acetals with aldehydes, leads to threo or erythro β-hydroxyacids with good stereoselectivity which depends mainly on the nature of the acetal counterion.
标题缩醛与醛的四氯化钛催化缩合反应生成具有良好立体选择性的苏式或赤式β-羟基酸,这主要取决于缩醛抗衡离子的性质。