Triethylamine → HCID 43088322, compound

Participants

Reaction Steps

Stir a solution of 4-chloro-2-pyridine carboxylic acid (1.0 g, 6.3 mmol), 1-hydroxybenzotriazole (850 mg, 6.3 mmol), 1-(3-dimethylaminopropyl)-3-ethylcarbodimide hydrochloride (1.21 g, 6.3 mmol), dipropyl amine (862 μL, 6.3 mmol), and triethylamine (1.75 mL, 12.6 mmol) in dichloromethane (63 mL) at room temperature over the weekend. Wash the solution with 0.1 N citric acid (2×50 mL), saturated aqueous sodium bicarbonate (50 mL), saturated aqueous sodium chloride (50 mL), dry (sodium sulfate), concentrate and purify (silica gel chromatography, eluting with 10:90 to 20:80 ethyl acetate:hexanes)to give the title compound (1.02 g, 67%).

Provenance & Evidence