[CH3:1][N:2]1[CH2:7][CH:6]=[C:5]([C:8]2[C:16]3[C:11](=[CH:12][CH:13]=[C:14]([CH2:17][CH:18]([NH2:21])[CH2:19][OH:20])[CH:15]=3)[NH:10][CH:9]=2)[CH2:4][CH2:3]1.[H][H]>C(O)C.[Pd]>[CH3:1][N:2]1[CH2:7][CH2:6][CH:5]([C:8]2[C:16]3[C:11](=[CH:12][CH:13]=[C:14]([CH2:17][CH:18]([NH2:21])[CH2:19][OH:20])[CH:15]=3)[NH:10][CH:9]=2)[CH2:4][CH2:3]1The product from step (e) (0.08 g) was dissolved in ethanol (25 ml) and 10% w/w Pd/C (0.23 g) added. The mixture was stirred under 1 atmos. pressure of hydrogen for 7 hours when uptake was complete. The mixture was filtered through celite and the filtrate evaporated in vacuo to give the desired product as colourless oil which was eluted through a silica column using DCM/EtOH/NH4OH (50:8:1) as eluant.
Wird geladen…