Boehme,H.; Krack,W.
Justus Liebigs Annalen der Chemie, 1977 , p. 51 - 60

Ishibashi, H.; Akai, S.; Choi, H.-D.; Nakagawa, H.; Tamura, Y.
Tetrahedron Letters, 1983 , vol. 24, # 36 p. 3877 - 3878

Ishibashi, H.; Akai, S.; Choi, H.-D.; Nakagawa, H.; Tamura, Y.
Tetrahedron Letters, 1983 , vol. 24, # 36 p. 3877 - 3878

Ishibashi, Hiroyuki; Okada, Motofumi; Nakatani, Hiroshi; Ikeda, Masazumi; Tamura, Yasumitsu
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1986 , p. 1763 - 1768

Boehme,H.; Krack,W.
Justus Liebigs Annalen der Chemie, 1977 , p. 51 - 60