Triethylamine → HCID 18182420, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 2.07 g of 2-methoxycarbonyl-3-thienyl trifluoromethane sulfonate, 2.02 ml of trimethylsilylacetylene, 1.57 g of tetrakis (triphenylphosphine)palladium(0), 272 mg of cuprous iodide, 2.98 ml of triethylamine and 30 ml of N,N-dimethylformamide was stirred at 65° C. for 3 hours in a nitrogen atmosphere. Silica gel was added to the reaction solution, and the solvent was removed. The residue was subjected to silica gel column chromatography using 6% ethyl acetate/hexane, to give 1.78 g of the target compound.

Provenance & Evidence