[CH2:1]([O:8][C:9]1[CH:14]=[CH:13][C:12]([CH:15]=[CH:16][C:17](=[O:21])[CH:18]([CH3:20])[CH3:19])=[CH:11][CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[O-]S([O-])(=O)=O.[Ba+2]>[Pd].C1COCC1>[CH2:1]([O:8][C:9]1[CH:10]=[CH:11][C:12]([CH2:15][CH2:16][C:17](=[O:21])[CH:18]([CH3:19])[CH3:20])=[CH:13][CH:14]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1Hydrogenation of 50 g (190 mmol) of 1-(4-benzyloxy-phenyl)-4-methyl-pent-1-en-3-one prepared in Example B was effected as described in General Method 3 using 1.08 g 5% Pd over BaSO4 and 1000 mL of THF under hydrogen atmosphere.
Wird geladen…