[C:1]([O:4][CH2:5][C:6]1[CH:11]=[C:10]([O:12][CH2:13][C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[C:9]([O:20]CC2C=CC(OC)=CC=2)=[CH:8][N:7]=1)(=[O:3])[CH3:2].C([SiH](CC)CC)C.[F:37][C:38]([F:43])([F:42])[C:39]([OH:41])=[O:40]>ClCCl>[F:37][C:38]([F:43])([F:42])[C:39]([OH:41])=[O:40].[C:1]([O:4][CH2:5][C:6]1[CH:11]=[C:10]([O:12][CH2:13][C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=2)[C:9]([OH:20])=[CH:8][N:7]=1)(=[O:3])[CH3:2]A solution of {5-({[4-(methyloxy)phenyl]methyl}oxy)-4-[(phenylmethyl)oxy]-2-pyridinyl}methyl acetate (26.3 g, 67 mmol) in dichloromethane (700 ml) was treated with triethylsilane (10 ml, 62.6 mmol)and trifluoroacetic acid (35 ml). After 16 hours the mixture was evaporated and triturated with toluene/ethyl acetate (250 ml/5 ml) affording a white solid that was isolated by filtration and dried in vacuo (22.5 g).
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