Dibutyltin dimethoxide-catalyzed aldol reaction of enol trichloroacetates
作者:Akira Yanagisawa、Takayuki Sekiguchi
DOI:10.1016/s0040-4039(03)01840-9
日期:2003.9
A catalytic aldol condensation of aldehydes with enol trichloroacetates was achieved usingdibutyltindimethoxide as a novel catalyst in a mixed solvent consisting of THF and MeOH. Various β-hydroxy ketones were diastereoselectively obtained in high yields up to 99%.
Selective Dimerisation and Addition of Carboxylic Acids to Terminal Alkynes, Catalysed by Thermolysed Grubbs’ Catalyst: A Novel Synthesis of Enynes and Vinyl Esters