Syntheses of trifluoroethylated unsymmetrical 1,3-diynes by using 1,1-dichloro-2,2,2-trifluoroethane
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文摘
A hydrochlorofluorocarbon (HCFC) is used to synthesize 2,2,2-trifluoroethyl diynes. The C–C bond formation is promoted by copper and ethanolamine. Two examples of converting the diynes to heterocycles are demonstrated.

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