Penicillin-cephalosporin conversion X. New synthesis of dithioazetidinones from thiazoline-azetidinones |
| |
| Authors: | Sigeru Torii Hideo Tanaka Takashi Siroi Michio Sasaoka |
| |
| Affiliation: | Department of Industrial Chemistry, School of Engineering, Okayama University, Okayama 700, Japan |
| |
| Abstract: | New ring-opening reaction of thiazoline-azetidinones 1 to dithioazetidinones 2 was achieved with 2-benzothiazolyl disulfide in aqueous acidic media and its potentiality for the preparation of a variety of cephalosporins 3 from various thiazoline-azetidinones 1 is demonstrated. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
