[CH:1](=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[S:9]1[CH2:13][C:12](=[O:14])[NH:11][C:10]1=[O:15].N1CCCCC1>C(O)C>[CH:1](=[C:13]1[S:9][C:10](=[O:15])[NH:11][C:12]1=[O:14])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=113.6 ml (135.0 mmol) benzaldehyde, 23.7 g (202.5 mmol) 2,4-thiazolidindione and 2.7 ml (27.0 mmol) piperidine are stirred in 400 ml ethanol under reflux for 13 hours. The resulting precipitate is filtered off and dried: Yield 17.1 g (61%).
読み込み中…