[Cl:1][C:2]1[CH:17]=[CH:16][C:5]([CH2:6][C:7]2[C:8](=[O:15])[NH:9][C:10](=[S:14])[NH:11][C:12]=2[CH3:13])=[CH:4][CH:3]=1.[CH3:18]I>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([CH2:6][C:7]2[C:8](=[O:15])[NH:9][C:10]([S:14][CH3:18])=[N:11][C:12]=2[CH3:13])=[CH:16][CH:17]=15-(4-Chlorobenzyl)-6-methyl-2-thiouracil was methylated with methyl iodide as described in Example 1 (i) to give 5-(4-chlorobenzyl)-6-methyl-2-methylthio-4-pyrimidone (m.p. 248°-251°).
読み込み中…