在强碱作用下酯缩合的反应机制 P CHaCHCOCHsCHaCCOCaHs (CH3)2CHCOC2Hs QCH3 OCH3 -C2H50 (CH3)2CHC-C-CO2C2H5 -(CH3)2CHC-C-CO2C2H5 C2H5O CH3 CH3 OCH3 (CH3)2C-C-C-CO2C2H5 Ph3CH CH3 |H20 OCH3 (CH3)2CHC-C-CO2C2H5 CH3 □ 在强碱作用下酯缩合的反应机制 Ph3C -Na + (CH3 )2CHC-C-CO2C2H5 O CH3 CH3 (CH3 )2CHCO2C2H5 Ph3C - (CH3 )2CCO2C2H5 - (CH3 )2CHCOC2H5 O (CH3 )2CHC-C-CO2C2H5 O -CH3 C2H5O CH3 - C2H5O - (CH3 )2C-C-C-CO2C2H5 O CH3 CH3 - + Ph3CH H2O (CH3 )2CHC-C-CO2C2H5 O CH3 CH3