1. Yu. V. Tomilov, G. P. Okonnishnikova, E. V. Shulishov, and O. M. Nefedov,Mendeleev Commun., 1994, 119.
2. Yu. V. Tomilov, G. P. Okonnishnikova, E. V. Shulishov, and O. M. Nefedov,Izv. Akad. Nauk, Ser. Khim., 1994, 1993 [Russ. Chem. Bull., 1994,43, 1880 (Engl. Transl.)].
3. Yu. V. Tomilov, E. V. Shulishov, G. P. Okonnishnikova, and O. M. Nefedov,Izv. Akad. Nauk, Ser. Khim., 1995, 2199 [Russ. Chem. Bull., 1995,44, 2105 (Engl. Transl.)].
4. M. I. Komendantov, R. R. Bekmukhamedov, and V. G. Novitsky,Zh. Org. Khim., 1967,12, 801 [J. Org. Chem., 1967,12 (Engl. Transl.)].
5. M. Franck-Neumann and C. Buchecker,Tetrahedron Lett., 1969, 2659.