Cl[CH2:2][CH2:3][CH2:4][CH2:5][N:6]1[C:10]2[C:11](=[O:18])[CH2:12][N:13]([CH3:17])[S:14](=[O:16])(=[O:15])[C:9]=2[CH:8]=[CH:7]1.[F:19][C:20]1[CH:25]=[CH:24][C:23]([N:26]2[CH2:31][CH2:30][NH:29][CH2:28][CH2:27]2)=[CH:22][CH:21]=1.C(=O)([O-])[O-].[K+].[K+].[I-].[Na+]>C(#N)C>[F:19][C:20]1[CH:21]=[CH:22][C:23]([N:26]2[CH2:31][CH2:30][N:29]([CH2:2][CH2:3][CH2:4][CH2:5][N:6]3[C:10]4[C:11](=[O:18])[CH2:12][N:13]([CH3:17])[S:14](=[O:16])(=[O:15])[C:9]=4[CH:8]=[CH:7]3)[CH2:28][CH2:27]2)=[CH:24][CH:25]=1A suspension of 233 mg (0.8 mmol) of Compound 17, 216 mg (1.2 mmol) of 1-(4-fluorophenyl)piperazine, 166 mg (1.2 mmol) of potassium carbonate and 240 mg (1.6 mmol) of sodium iodide in 20 ml of acetonitrile was refluxed for 23 hours. Post-treatment was conducted in a similar manner as in Example 18. The residue was purified by chromatography on a silica gel column (eluent: methanol/chloroform=1/49), whereby 291 mg of the title compound were obtained (yield: 84%).
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