Daia, G.Elena; Gabbutt, Christopher D.; Hepworth, John D.; Heron, B.Mark; Hibbs, David E.; Hursthouse, Michael B.
Tetrahedron Letters, 2002 , vol. 43, # 25 p. 4507 - 4510

Ghosh, Chandra Kanta; Bandyopadhyay, Chandrakanta; Morin, Christophe
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , p. 1989 - 1994