Ostrovskaya, V. M.; D'yakonova, I. A.; Poponova, R. V.; Kozlova, N. P.; Ryabokobylko, Yu. S.; Filatova, M. P.
Journal of Organic Chemistry USSR (English Translation), 1989 , vol. 25, # 8.2 p. 1583 - 1588
Zhurnal Organicheskoi Khimii, 1989 , vol. 25, # 8 p. 1753 - 1758

Sultanov, A. V.; Savvin, S. B.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 106 - 109
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 1 p. 126 - 130

More; Ardhapure; Naik; Bhusare; Jadhav; Pawar
Synthetic Communications, 2005 , vol. 35, # 24 p. 3113 - 3118

Salunkhe, Manikrao M.; Kavitake, Bhanudas P.; Patil, Sucheta V.; Wadgaonkar, Prakash P.
Journal of Chemical Research, Synopses, 1995 , # 12 p. 503

Jaunin; Holl
Helvetica Chimica Acta, 1958 , vol. 41, p. 1783,1784 Anm.4,1789

Baker
Journal of the Chemical Society, 1931 , p. 1765,1768

Sultanov, A. V.; Savvin, S. B.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 106 - 109
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 1 p. 126 - 130