1-Iodopropane → 6-[[1-(4-Methylphenyl)-2-propylmercapto-1H-benzimidazol-6-yl]oxy]Hexanoic Acid Methyl Ester

Participants

Reaction Conditions

Reaction Steps

1 g of 6-[[2-mercapto-1-(4-methylphenyl)-1H-benzimidazol-6-yl]oxy]hexanoic acid methyl ester was dissolved in 15 ml of N,N-dimethylformamide, mixed with 0.3 ml of propyl iodide, 0.55 g of potassium hydrogen carbonate and 97 mg of dicyclohexano-18-crown-6, and the mixture was stirred for 48 hours at 20° C. It was filtered, and the filtrate was concentrated by evaporation in a vacuum. The residue was purified by column chromatography on silica gel. 1.06 g was obtained.

Provenance & Evidence