Reversible cyclopropyl ring opening of 1-aroyl-2-phenylcyclopropane radical anions. Determination of the ring opening and closure rates of the intermediate ketyls

Article abstract of DOI:10.1021/ja00028a045

The phenylcyclopropylketyl ring opening has been used as a mechanistic probe for the detection of radical intermediates. The reaction is of limited use since the ring-opening reaction is reversible. 1-Benzoyl-2-phenylcyclopropane (II) was considered to be