Roscini, Claudio; Cubbage, Kara L.; Berry, Malcolm; Orr-Ewing, Andrew J.; Booker-Milburn, Kevin I.
Angewandte Chemie - International Edition, 2009 , vol. 48, # 46 p. 8716 - 8720

Macleod, Fraser; Lang, Stuart; Murphy, John A.
Synlett, 2010 , # 4 art. no. D32209ST, p. 529 - 534

Hernandez, Rosendo; Melian, Daniel; Prange, Thierry; Suarez, Ernesto
Heterocycles, 1995 , vol. 41, # 3 p. 439 - 454

Sokolov, V. V.; Potekhin, A. A.; Ovchinnikova, I. V.; Gindin, V. A.; Smirnov, S. N.
Russian Journal of Organic Chemistry, 1994 , vol. 30, # 4 p. 582 - 589
Zhurnal Organicheskoi Khimii, 1994 , vol. 30, # 4 p. 546 - 553