[F:1][C:2]1[CH:3]=[CH:4][C:5]([O:30][CH2:31][C:32]2[CH:37]=[CH:36][C:35]([C:38]3[CH:43]=[CH:42][C:41]([CH3:44])=[CH:40][CH:39]=3)=[CH:34][CH:33]=2)=[C:6]([CH2:8][CH2:9][N:10]([CH2:19][C:20]2[CH:29]=[CH:28][C:23]([C:24]([O:26]C)=[O:25])=[CH:22][CH:21]=2)[CH2:11][CH2:12][CH2:13][CH2:14][C:15]([O:17]C)=[O:16])[CH:7]=1.[OH-].[Na+].ClCCl>CO>[C:15]([CH2:14][CH2:13][CH2:12][CH2:11][N:10]([CH2:19][C:20]1[CH:29]=[CH:28][C:23]([C:24]([OH:26])=[O:25])=[CH:22][CH:21]=1)[CH2:9][CH2:8][C:6]1[CH:7]=[C:2]([F:1])[CH:3]=[CH:4][C:5]=1[O:30][CH2:31][C:32]1[CH:37]=[CH:36][C:35]([C:38]2[CH:43]=[CH:42][C:41]([CH3:44])=[CH:40][CH:39]=2)=[CH:34][CH:33]=1)([OH:17])=[O:16]0.45 g (0.69 mmol) of methyl 4-{[(2-{5-fluoro-2-[(4′-methyl-1,1′-biphenyl-4-yl)methoxy]phenyl}ethyl)(5-methoxy-5-oxopentyl)amino]methyl}benzoate from Ex. 185 is dissolved in 8 ml of methanol. 0.5 ml of aqueous sodium hydroxide solution (45%) and 1.5 ml of dichloromethane are added, and the solution is stirred at RT for 8 hours. The reaction is extracted with diethyl ether, the aqueous phase is acidified using sulphuric acid and extracted with ethyl acetate and the extract is filtered through Extrelut and concentrated.
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