Radical rearrangements of bicyclo[2.2.0]hexane: homolytic substitution of a cyclobutane ring
Abstract
Bromine atoms react with bicyclo[2.2.0]hexane in an SH2 reaction at the bridgehead carbon atoms; the bicyclo[2.2.0]hex-2-yl radical rearranges by β-scission of the inter-ring bond.