Hassan, Jwanro; Lavenot, Laurence; Gozzi, Christel; Lemaire, Marc
Tetrahedron Letters, 1999 , vol. 40, # 5 p. 857 - 858

Itahara, Toshio; Hashimoto, Miyuki; Yumisashi, Hitomi
Synthesis, 1984 , # 3 p. 255 - 256

Sosonkin, I. M.; Strogov, G. N.; Ponomareva, T. K.; Domarev, A. N.; Glushkova, A. A.; Freidlin, G. N.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 2 p. 137 - 140
Khimiya Geterotsiklicheskikh Soedinenii, 1981 , vol. 17, # 2 p. 195 - 198