Wipf, Peter; Uto, Yoshikazu
Journal of Organic Chemistry, 2000 , vol. 65, # 4 p. 1037 - 1049

Nakajima, Kiichiro; Neya, Masahiro; Yamada, Shinichi; Okawa, Kenji
Bulletin of the Chemical Society of Japan, 1982 , vol. 55, # 9 p. 3049 - 3050