Noonan, Gary M.; Newton, David; Cobley, Christopher J.; Suarez, Andres; Pizzano, Antonio; Clarke, Matthew L.
Advanced Synthesis and Catalysis, 2010 , vol. 352, # 6 p. 1047 - 1054

Zakharkin,L.I.; Khorlina,I.M.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1964 , # 3 p. 435 - 438
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1964 , # 3 p. 465 - 469

Cardani, Silvia; De Toma, Carlo; Gennari, Cesare; Scolastico, Carlo
Tetrahedron, 1992 , vol. 48, # 27 p. 5557 - 5564