Trifluoroacetic acid → HCID 59759379, 화합물
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[CH3:1][O:2][C:3]([C:5]1[CH:6]=[C:7]([C:30]2[CH:35]=[CH:34][C:33]([F:36])=[CH:32][CH:31]=2)[CH:8]=[CH:9][C:10]=1[O:11][CH2:12][CH2:13][C:14]1[N:15]=[C:16]([S:19][C:20]([CH3:29])([CH3:28])[C:21]([O:23]C(C)(C)C)=[O:22])[S:17][CH:18]=1)=[O:4].FC(F)(F)C(O)=O>ClCCl>[F:36][C:33]1[CH:32]=[CH:31][C:30]([C:7]2[CH:8]=[CH:9][C:10]([O:11][CH2:12][CH2:13][C:14]3[N:15]=[C:16]([S:19][C:20]([CH3:29])([CH3:28])[C:21]([OH:23])=[O:22])[S:17][CH:18]=3)=[C:5]([C:3]([O:2][CH3:1])=[O:4])[CH:6]=2)=[CH:35][CH:34]=1참가 물질
4
실험 절차
4-(2-{2-[(2-tert-Butoxy-1,1-dimethyl-2-oxoethyl)thio]-1,3-thiazol-4-yl}ethoxy)-4′-fluoro-biphenyl-3-carboxylic acid methyl ester (250 mg) obtained in Example 92-2 was dissolved in dichloromethane (2 mL), trifluoroacetic acid (2 mL) was added, the mixture was stirred at room temperature for 12 hr. The reaction mixture was concentrated under reduced pressure, and the residue was purified by silica gel chromatography (elution solvent; hexane:ethyl acetate=1:1 to 0:1) to give the title compound (175 mg) as a colorless oil.