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.
Leo A. Paquette, Robert E. Wingard Jr., James M. Photis, J. Am. Chem. Soc., 1974, 96 (18), pp 5801–5806
DOI:
- DOI:
http://dx.doi.org/10.1021/ja00825a018