[CH3:1][O:2][C:3](=[O:23])[C:4]1[CH:9]=[CH:8][C:7]([N:10]2[CH2:15][CH2:14][N:13](CC3C=CC=CC=3)[CH2:12][CH2:11]2)=[CH:6][CH:5]=1.[H][H]>CO.[Pd].C>[CH3:1][O:2][C:3](=[O:23])[C:4]1[CH:5]=[CH:6][C:7]([N:10]2[CH2:15][CH2:14][NH:13][CH2:12][CH2:11]2)=[CH:8][CH:9]=14-(4-Benzyl-piperazin-1-yl)-benzoic acid methyl ester (19.4 mmol) is dissolved in methanol (150 ml) and Pd/charcoal is added (0.6 g). The mixture is stirred in a hydrogen atmosphere until consumption has ceased. The catalyst is filtered off and the filtrate evaporated. The residue is suspended in diethylether/pentane and the solid filtered of and dried (vacuum). A powder with mp. 95-97° C. is obtained.
Wird geladen…