Anthranilic Acid → HCID 11710756, compound

Participants

Reaction Conditions

Reaction Steps

Triethylamine (0.46 ml) was added to a suspension of stearic acid (853 mg) in methylene chloride (8.5 ml). Then, ethyl chlorocarbonate (0.32 ml) was dropwise added to the mixture while being cooled with ice. After being stirred for 1 hour at 0° C., the mixture, with a mixed solution of anthranilic acid (411 mg) and triethylamine (0.42 ml) in methylene chloride (2 ml) dropwise added thereto, was stirred for 16 hours at 45C and cooled with ice. The reaction mixture, with triethylamine (0.46 ml) and ethyl chlorocarbonate (0.32 ml) dropwise added thereto, was stirred for 1 hour at 0° C. and for 1.5 hours at room temperature successively, and then concentrated. The residue, with ethyl acetate added thereto, was washed with water, neutralized with diluted hydrochloric acid, and washed with saturated brine. The organic layer was dried over magnesium sulfate anhydride and then concentrated. The residue was purified by silica gel column chromatography (silica gel 35 g, chloroform-methanol), thereby yielding 966 mg of the aimed compound as colorless crystals.

Provenance & Evidence