[N:1]1[NH:2][N:3]=[N:4][C:5]=1[C:6]1[C:7]([NH2:12])=[N:8][CH:9]=[CH:10][CH:11]=1.[CH2:13]([O:20][C:21]1[CH:28]=[CH:27][C:24]([CH2:25]Cl)=[CH:23][CH:22]=1)[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1.[I-].[Na+].[H-].[Na+]>O.CN(C=O)C>[CH2:13]([O:20][C:21]1[CH:22]=[CH:23][C:24]([CH2:25][N:3]2[N:2]=[N:1][C:5]([C:6]3[C:7]([NH2:12])=[N:8][CH:9]=[CH:10][CH:11]=3)=[N:4]2)=[CH:27][CH:28]=1)[C:14]1[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=1
To a solution of 3-(2H-tetrazol-5-yl)-pyridin-2-ylamine (100 mg) described in Manufacturing Example 5-1, 4-benzyloxybenzyl chloride (172 mg), sodium iodide (111 mg), and DMF (3 mL) was added NaH (18 mg), which was stirred for 40 minutes at 60° C. Water was added to the reaction solution, which was then extracted with ethyl acetate. The organic layer was concentrated under a reduced pressure, and the residue was purified by NH silica gel column chromatography (hexane:ethyl acetate=4:1, then 2:1, then 1:1). Ethyl acetate was added to the resulting residue, and the solids were filtered off to obtain the titled compound (38 mg).
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