mesomer

For the reason why optical activity of mesomer is counteracted classical answer was not convincing.

指消旋体消旋原因统解释的不合理。

For the reason why optical activity of mesomer is counteracted classical answer was not convincing. By use of the helix theory and stable staggered conformation answer can be obtained.

指消旋体消旋原因统解释的不合理。螺旋理论和稳定的交叉式构象，合理地解释消旋体消旋的原因。