(E)-Selective Horner–Wadsworth–Emmons reaction of aryl alkyl ketones with bis(2,2,2-trifluoroethyl)phosphonoacetic acid
作者:Shigeki Sano、Yuka Takemoto、Yoshimitsu Nagao
DOI:10.1016/j.tetlet.2003.09.185
日期:2003.12
The stereoselective Horner–Wadsworth–Emmons reaction of aryl alkylketones with bis(2,2,2-trifluoroethyl)phosphonoacetic acid utilizing lithium hexamethyldisilazide in DMF afforded (E)-α,β-unsaturated carboxylic acids as the major products.