R. R. Gataullin, M. F. Nasyrov, O. V. Shitikova, L. V. Spirikhin, I. B. Abdrakhmanov, “Heterocyclization of <i>N</i>-[2-(cyclopent-1-enyl)phenyl]acetamides and ethyl <i>N</i>-[2-(cyclopent-1-enyl)phenyl]carbamates under the action of hydrogen peroxide”, Mendeleev Commun., 11:5 (2001), 200–201