Potassium Iodide → N-(5,5-diethoxy-1,1,1-trifluoro-pent-3-yn-2-ylidene)-4-methoxyaniline

Participants

Reaction Conditions

Reaction Steps

In a typical reaction, 2,2,2-trifluoro-N-(4-methoxyphenyl)acetimidoyl chloride and a slight excess of 3,3-diethoxyprop-1-yne are mixed with about 0.3 equivalents of copper (I) iodide and slight excesses of potassium phosphate and potassium iodide in anhydrous acetonitrile. The mixture is heated at about 60° C. under a nitrogen atmosphere until the reaction is complete. After cooling, an extraction solvent like a halogenated hydrocarbon is added to the mixture along with water. The organic layer is recovered, washed with brine and dried. The solvent is evaporated to provide crude N-(5,5-diethoxy-1,1,1-trifluoro-pent-3-yn-2-ylidene)-4-methoxyaniline.

Provenance & Evidence