[OH:1][C:2]1[C:3]([CH2:27][CH2:28][CH3:29])=[C:4]([C:17]([CH2:24][CH2:25][CH3:26])=[CH:18][C:19]=1[C:20](=[O:23])[CH2:21][CH3:22])[O:5][CH:6]([C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)[C:7]([O:9]C)=[O:8].[OH-].[Na+]>>[OH:1][C:2]1[C:3]([CH2:27][CH2:28][CH3:29])=[C:4]([C:17]([CH2:24][CH2:25][CH3:26])=[CH:18][C:19]=1[C:20](=[O:23])[CH2:21][CH3:22])[O:5][CH:6]([C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)[C:7]([OH:9])=[O:8]The ester of step 2 (18.6 gm) was hydrolyzed with NaOH (98 ml) as for example 1, step 5.
Wird geladen…