Chavan, Subhash P.; Khobragade, Dushant A.; Kamat, Subhash K.; Sivadasan, Latha; Balakrishnan, Kamalam; Ravindranathan; Gurjar, Mukund K.; Kalkote, Uttam R. Tetrahedron Letters, 2004 , vol. 45, # 39 p. 7291 - 7295