Triethylamine → HCID 178511955, compound

Participants

Reaction Steps

2-[3′-Amino-2-hydroxy-5-(3-pyridin-3-yl-propionylsulfamoyl)-biphenyl-3-yl]-1H-benzoimidazole-5-carboxamidine (0.015 g, 0.023 mmol), prepared as in Example 10, was dissolved in a mixture of methanol and water and then triethylamine was added to bring the solution to pH 9. The mixture was heated with potassium cyanate (0.018 g, 0.23 mmol) for 12 hour at 40° C., concentrated by evaporation under reduced pressure and the crude product was purified by reversed phase HPLC (acetonitrile gradient) to give 2-[2-hydroxy-5-(3-pyridin-3-yl-propionylsulfamoyl)-3′-ureido-biphenyl-3-yl]-1H-benzoimidazole-5-carboxamidine (0.01 g). MS. found (M+H+) 599.5, (M−H+) 597.7, calc. 598.17.

Provenance & Evidence