... Page 2. Mendeleev Communications Electronic Version, Issue 6, 2003 2 ... Chem., 1953, 18, 501. 4 P. Couvreur and A. Bruylants, Bull. Soc. ... 5 R. Seux, G. Morel and A. Foucaud, Tetrahedron, 1975, 31, 1335. 6 T. Tsuji, Y. Watanabe and T. Mukaiyama, Chem. Lett., 1979, 481. ...