Stereospecificity of the Thermal [4+2] Cycloaddition : The thermal [4+2] electrocyclization is selectively disrotatory, allowing absolute elucidation of the product cycle's stereochemistry. Thus, this is a sterespecific transformation :
Stereospecificity of the Thermal [4+2] Cycloaddition :The thermal [4+2] electrocyclization is selectively disrotatory, allowing absolute elucidation of the product cycle's stereochemistry. Thus, this is a sterespecific transformation :