mesomer

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

指出了内消旋体消旋原因统解合理性。

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.

指出了内消旋体消旋原因统解合理性。利用螺旋理论交叉式构象，合理地解了内消旋体消旋原因。