N-[1-(2-phenylethyl)-4-ethoxycarbonyl-5-bromopyrazol-3-yl]-N-[(2'-(N-triphenylmethyl-(1H-tetrazol-5-yl))biphenyl-4-yl)methyl]-n-propylamine → HCID 178457033, compound

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356 mg of N-[1-(2-phenylethyl)-4-ethoxycarbonyl-5-bromopyrazol-3-yl]-N-[(2'-(N-triphenylmethyl-(1H-tetrazol-5-yl))biphenyl-4-yl)methyl]-n-propylamine were dissolved in 5 ml of ethanol and heated under reflux for 2 hours, and the solvent was distilled off under reduced pressure. The resulting residue was subjected to silica gel column chromatography (n-hexane-ethyl acetate=2:1→ethyl acetate) to obtain 224 mg of the intended compound as a pale yellow, amorphous solid.

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