The stereospecific rule of the cycloaddition reaction of ketene and imine has been treated theoretically in this Paper. By comparing the barrier heights, it can be seen that for trans imine the reaction will give cis ...The stereospecific rule of the cycloaddition reaction of ketene and imine has been treated theoretically in this Paper. By comparing the barrier heights, it can be seen that for trans imine the reaction will give cis product, and for cis imine the reaction will give trans Produet.展开更多
文摘The stereospecific rule of the cycloaddition reaction of ketene and imine has been treated theoretically in this Paper. By comparing the barrier heights, it can be seen that for trans imine the reaction will give cis product, and for cis imine the reaction will give trans Produet.
