Simonian, S.O.; Smit, W.A.; Gybin, A.S.; Shashkov, A.S.; Mikaelian, G.S.; et al.
Tetrahedron Letters, 1986 , vol. 27, # 11 p. 1245 - 1248

Smit, V. A.; Simonyan, S. O.; Tarasov, V. A.; Gybin, A. S.; Mikaelyan, G. S.; et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1988 , vol. 37, # 12 p. 2526 - 2535
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1988 , # 12 p. 2802 - 2812

Billington, David C.; Willison, Debra
Tetrahedron Letters, 1984 , vol. 25, # 36 p. 4041 - 4044

Smit, V. A.; Simonyan, S. O.; Tarasov, V. A.; Gybin, A. S.; Mikaelyan, G. S.; et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1988 , vol. 37, # 12 p. 2526 - 2535
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1988 , # 12 p. 2802 - 2812