Triethylamine → 2-[3-[N-(4-Fluoro-2-trifluoromethylphenyl)sulfamoyl]propionylamino]-2-(1-hydroxyethyl)acetic Acid Ethyl Ester

Participants

Reaction Steps

Under the conditions of Example 2(a), 3.152 g (10 mmol) of 3-[N-(4-fluoro-2-trifluoromethylphenyl)sulfamoyl]propionic acid, 1.736 g (10 mmol) of L-threonine ethyl ester hydrochloride, 1.531 g (10 mmol) of hydroxybenzotriazole, hydrate, as well as 1.012 g (10 mmol) of triethylamine and 2.063 g (10 mmol) of dicyclohexylcarbodiimide are reacted and worked up analogously. The crude product is purified by column chromatography on silica gel. The title compound is eluted with ethyl acetate.

Provenance & Evidence