Stereoselect ive S- Oxidation of 5-Su bst ituted 4-Acetyl -A2-l ,3,4-t hia- diazolines : X- Ray Crystal Structure of 4-Acetyl-2-acetylamino-5-methyl- 5- phenyl -A2-l ,3,4- t h iad iazol i ne I -Oxide ... Seiju Kubota,*a Kouhei Toyooka,a Naoya Yamamoto,a Masayuki Shibuya,a and Masaru Kidob a Faculty of Pharmaceutical Sciences, University of Tokushima, Shomachi, Tokushima, Japan b Tokushima Research Institute, Otsuka Pharmaceutical Co. L td., Tokushima, Japan
