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(Br)(Br)(Br)[Br:21].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>ClCCl>[Br: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 mixture of N-(4-{2-[4-(hydroxymethyl)phenyl]ethyl}-1,3-thiazol-2-yl)acetamide (50 mg) prepared in a similar manner according to Step 3 of the following Production Example 16, carbon tetrabromide (72 mg) and dichloromethane (1 ml) was added triphenylphosphine (71 mg), and the mixture was stirred at ambient temperature for 1 hour. The reaction mixture was purified by flash column chromatography on silica gel with 1% methanol/chloroform as an eluent. The crystalline residue was collected and washed with diisopropyl ether to give N-(4-{2-[4-(bromomethyl)phenyl]ethyl}-1,3-thiazol-2-yl)acetamide (48 mg).
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