A Synthesis of Taxanes by Lactam-sulfoxide Ring Contraction and Intramolecular Pinacol Coupling - Takatori, Kazuhiko; Takeuchi, Yoshinari; Shinohara, Yuka; Yamaguchi, Kenji; Nakamura, Masayuki; Hirosawa, Tatsuya; Shimizu, Takeshi; Saito, Masae; Aizawa, Shouich; Sugiyama, Osamu; Ohtsuka, Yasuo; Kajiwara, Masahiro (Synlett, 1999)