Myslinska, Malgorzata; Heise, Glenn L.; Walsh, Dana J.
Tetrahedron Letters, 2012 , vol. 53, # 24 p. 2937 - 2941

Pulis, Alexander P.; Blair, Daniel J.; Torres, Eva; Aggarwal, Varinder K.
Journal of the American Chemical Society, 2013 , vol. 135, # 43 p. 16054 - 16057

Kuznetsov,V.V. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1978 , vol. 14, p. 19 - 22
Khimiya Geterotsiklicheskikh Soedinenii, 1978 , vol. 14, # 1 p. 26 - 30