超共轭与立体电子效应
洪鹄,黄兆和,柴正祺,张沅珒
Hyperconjugative and Stereoelectronic Effect
Hu HONG,Zhao-He HUANG,Zheng-Qi CHAI,Yuan-Jin ZHANG
图9
外异头效应两种构型能量差
Δ
E
= -16 kJ∙moL
-1
