C[O:2][C:3](=[O:19])[CH2:4][C:5]1[N:9]([CH2:10][C:11]2[CH:16]=[CH:15][C:14]([C:17]#[N:18])=[CH:13][CH:12]=2)[CH:8]=[N:7][CH:6]=1.[OH-].[Li+].Cl>C1COCC1>[C:17]([C:14]1[CH:15]=[CH:16][C:11]([CH2:10][N:9]2[C:5]([CH2:4][C:3]([OH:19])=[O:2])=[CH:6][N:7]=[CH:8]2)=[CH:12][CH:13]=1)#[N:18]A solution of [1-(4-cyanobenzyl)-1H-imidazol-5-yl]acetic acid methyl ester (4.44 g, 17.4 mmol ) in THF (100 ml) and 1M lithium hydroxide (17.4 ml, 17.4 mmol) was stirred at RT for 18 hr. 1M HCl (17.4 ml) was added and the THF was removed by evaporation in vacuo. The aqueous solution was lyophilized to afford the title compound containing lithium chloride as a white solid.
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