Tetracyclo2.7.04,6>hept-1-ene: Formation and Trapping of 1,2-Dehydroquadricyclane. Ab Initio Calculations on Dehydroquadricyclanes

Article abstract of DOI:10.1021/jo00067a053

Hydrogen chloride elimination from chloroquadricyclane 14 with tert-butyllithium or n-butyllithium/potassium tert-butoxide in ether at 0 deg C led to the title compound 4 as a reactive intermediate.Generating 4 with LDA in the presence of diphenylisobenzo