Efficient direct alkynylation of trifluoromethyl ketones catalyzed by AgF in water and organic solvents.

[摘要]：A general and efficient method for the direct alkynylation of alkyl trifluoropyruvate and trifluoroacetophenone in water was developed by using AgF and tricyclohexylphosphine as a catalyst. The ligand enhanced the catalyst activity significantly. The reaction in water is comparable to the one carried out in org. solvents.

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