Imidazole → HCID 66880843, compound

Participants

Reaction Steps

A mixture of 0.31 g of 2-(3-fluoropyridin-4-yl)-5-(trifluoromethyl)benzoxazole, 0.14 g of imidazole, 0.55 g of potassium carbonate and 2 ml of DMF was stirred while heating at room temperature for 1.5 hours, and then at 60° C. for 1.5 hours. The reaction mixture was cooled to room temperature, and then water was added to the reaction mixture, followed by extraction with ethyl acetate twice. The combined organic layers were washed with a saturated sodium chloride solution, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was subjected to silica gel column chromatography to give 0.31 g of 2-[3-(imidazole-1-yl)pyridin-4-yl]-5-(trifluoromethyl)benzoxazole (hereinafter, referred to as “active compound 56”).

Provenance & Evidence