O[CH2:2][C:3]1[CH:8]=[CH:7][C:6]([CH2:9][CH2:10][C:11]2[N:12]=[C:13]([NH:16][C:17](=[O:19])[CH3:18])[S:14][CH:15]=2)=[CH:5][CH:4]=1.C(Cl)(Cl)(Cl)[Cl:21].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>ClCCl>[Cl:21][CH2:2][C:3]1[CH:8]=[CH:7][C:6]([CH2:9][CH2:10][C:11]2[N:12]=[C:13]([NH:16][C:17](=[O:19])[CH3:18])[S:14][CH:15]=2)=[CH:5][CH:4]=1To a suspension of N-(4-{2-[4-(hydroxymethyl)phenyl]ethyl}-1,3-thiazol-2-yl)acetamide (1.383 g, 5.005 mmol) in anhydrous dichloromethane (60 ml) were added carbon tetrachloride (5.8 ml, 60 mmol) and triphenylphosphine (1.574 g, 6.000 mmol), and the mixture was stirred at room temperature for 22.5 hr. Triphenylphosphine (786.0 mg, 2.997 mmol) was added, and the mixture was stirred at room temperature for 1.5 hr. The reaction mixture was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (FUJI SILYSIA CHEMICAL LTD. BW-300SP 100 g, ethyl acetate:hexane=2:3) to give N-(4-{2-[4-(chloromethyl)phenyl]ethyl}-1,3-thiazol-2-yl)acetamide (1.224 g, 4.153 mmol, yield 83.0%) as a white solid.
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