A New Sulfenylation Reagent, 3-Phenylsulfenyl-2-(N-cyanoimino)thiazolidine, and Its Optically Active Version - Tanaka, Tetsuaki; Azuma, Tsutomu; Fang, Xie; Uchida, Shuji; Iwata, Chuzo; Ishida, Toshimasa; In, Yasuko; Maezaki, Naoyoshi (Synlett, 2000)