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Nishio, Takehiki; Fujisawa, Masaru; Omote, Yoshimori
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 2523 - 2530

Hirai, Yoshiro; Egawa, Hiroyuki; Yamada, Shoko; Yamazaki, Takao
Heterocycles, 1983 , vol. 20, # 7 p. 1243 - 1246

Takahashi, Tamiko; Hirokami, Shun-ichi; Kato, Kazuko; Nagata, Masanori; Yamazaki, Takao
Journal of Organic Chemistry, 1983 , vol. 48, # 17 p. 2914 - 2920