[O:1]=[CH:2][CH2:3][CH2:4][C:5]([OH:7])=[O:6].[NH:8]1[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1>C1C=CC=CC=1>[NH2+:8]1[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1.[O:1]=[CH:2][CH2:3][CH2:4][C:5]([O-:7])=[O:6]100 Mg. of 4-(8-methoxy-6,11-dihydrodibenzo-[b.e.]-thiepin-11-one-3-yl)-4-oxobutyric acid in 10 ml. of benzene is treated with 60 mg. of piperidine. The solution obtained is allowed to stand for one hour and the crystalline material which forms is filtered, washed with ether and air dried to yield piperidinium 4-(8-methoxy-6,11-dihydrodibenzo-[b.e.]-thiepin-11-one-3-yl)-4-oxobutyrate.
Wird geladen…