Isolation of the [6 + 4].pi. cycloadduct and facile successive Cope rearrangements of the [2 + 4].pi. cycloadduct in a frontier-controlled pericyclic reaction of oxepin with cyclopentadienone
Isolation of the [6 + 4].pi. cycloadduct and facile successive Cope rearrangements of the [2 + 4].pi. cycloadduct in a frontier-controlled pericyclic reaction of oxepin with cyclopentadienone