Perpendicularly oriented .pi. systems. Thermal activation of annulated bicyclo[4.2.0]octatrienes and establishment of the tetracyclo[4.2.0.02,8.05,7]octene pathway of bond relocation
Perpendicularly oriented .pi. systems. Thermal activation of annulated bicyclo[4.2.0]octatrienes and establishment of the tetracyclo[4.2.0.02,8.05,7]octene pathway of bond relocation