72316-06-4Relevant articles and documents
A "frustrated" cope rearrangement: Thermal interconversion of 2,6-diphenylhepta-1,6-diene and 1,5-diphenylbicyclo[3.2.0]heptane
Roth, Wolfgang R.,Lennartz, Hans-Werner,Doering,Birladeanu, Ludmila,Guyton, Catherine A.,Kitagawa, Toshikazu
, p. 1722 - 1732 (1990)
The title reaction constitutes a reliable model of a nonconcerted, diradical mechanism closely related to a Cope rearrangement. Its activation parameters relate to a transition state approximated by 1,5-diphenylcyclohepta-1,5-diyl (7). Force field calcula