Unsaturated 8-membered ring compounds. VIII. Photochemistry of 7,8-dimethylene-1,3,5-cyclooctatrienes. Synthesis of bicyclo[6.2.0]deca-1,3,5,7-tetraene
Unsaturated 8-membered ring compounds. VIII. Photochemistry of 7,8-dimethylene-1,3,5-cyclooctatrienes. Synthesis of bicyclo[6.2.0]deca-1,3,5,7-tetraene