| 摘要 |
1,130,754. Thiazolidine derivatives. FARBENFABRIKEN BAYER A.G. 29 Oct., 1965 [30 Oct., 1964], No. 46914/65. Heading C2C. [Also in Division C3] N - P- toluenesulphonylthiazolidine, N-phenylsulphonylthiazolidine and N-methylthiazolidine are prepared by reacting thiazolidine hydrochloride with the appropriate sulphonyl chloride. N-p-tolunesulphonylthiazolidine is also obtained by the action of formaldehyde in formic acid on N-2-mercaptoethyl-p-toluenesulphonamide; itself obtained from 2-mercaptoethylamine hydrochloride and p-toluenesulphonyl chloride. |
