1H-Benzimidazole-2-carboxylic acid, 6-amino-, ethyl ester → Ethyl 6-({2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]butanoyl}amino)-1H-benzimidazole-2-carboxylate

Participants

Reaction Steps

87 mg (0.25 mmol) of 2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]butanoic acid (racemate) and 56 mg (0.28 mmol, 1.1 eq.) of ethyl 6-amino-1H-benzimidazole-2-carboxylate were reacted according to General Method 5A. The crude product was purified by preparative HPLC (Reprosil C18, acetonitrile/water+0.1% formic acid gradient). Yield: 86 mg (64% of theory)

Provenance & Evidence