Mandal, Samir Kumar; Roy, Subhas Chandra Tetrahedron Letters, 2006 , vol. 47, # 10 p. 1599 - 1601 Title/Abstract Full Text View citing articles Show Details Mandal, Samir Kumar; Roy, Subhas Chandra Tetrahedron, 2007 , vol. 63, # 46 p. 11341 - 11348