Yamato, Takehiko; Matsumoto, Jun-ichi; Tokuhisa, Kiwamu; Tsuji, Katsuya; Suehiro, Kazuaki; Tashiro, Masashi Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1992 , # 20 p. 2675 - 2682