E1cB elimination from 2-halogeno-3-methoxy-1,3-diphenylpropan-2-ones
作者:Mercedes C. Cabaleiro、Raul O. Garay
DOI:10.1039/p29840000179
日期:——
Kinetic and stereochemical evidence has been obtained from the dehydromethoxylation of 2-halogeno-3-methoxy-1,3-diphenylpropan-2-ones with isopropoxide in isopropyl alcohol that is consistent with an E1cB reversible mechanism. The influence of the halogen both on the deprotonation rate and upon the methoxy-group expulsion has been evaluated.