Bhat, K. S.; Joshi, P. L.; Rao, A. S.
Synthesis, 1984 , # 2 p. 142 - 145

Kang, Dong Ho; Joo, Tae Young; Lee, Eun Hwa; Chaysripongkul, Skaydaw; Chavasiri, Warinthorn; Jang, Doo Ok
Tetrahedron Letters, 2006 , vol. 47, # 32 p. 5693 - 5696

Manchand; Belica; Holman; Huang; Maehr; Tam; Yang
Journal of Organic Chemistry, 1992 , vol. 57, # 12 p. 3473 - 3478