Miyake, Hideyoshi; Nishino, Shouko; Nishimura, Akinori; Sasaki, Mitsura
Chemistry Letters, 2007 , vol. 36, # 4 p. 522 - 523

Das, Jhantu; Ghosh, Somnath
Tetrahedron Letters, 2011 , vol. 52, # 52 p. 7189 - 7194