| 摘要 |
1306558 Thiazolino - pyrimidin - 5 - one derivatives SEPERIC 3 Aug 1971 [14 Aug 1970] 39189/70 Heading C2C Novel compounds of the Formula I wherein R, R 1 and R 2 are each hydrogen, or an alkyl group and A is either a phenyl group optionally substituted with halogens, alkyl, alkoxy or trifluoromethyl groups or a thienyl, furyl, pyridyl, cycloalkyl, phenylalkyl, trifluoromethyl or alkyl group and acid addition salts thereof may be prepared by cyclizing a 2-imino-thiazolidine (II) with a #-carbonyl ester wherein B is an alkyl group. Pharmaceutical compositions of the compounds I show analgesic properties when administered orally, parenterally or rectally with the usual excipients. |
