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- W2950873971 abstract "The difluoromethylation of terminal alkynes through the use of fluoroform as a source of difluorocarbene is described. The choice of solvents and bases was found to be crucial for the transformation. A series of terminal alkynes 1 were nicely converted into the corresponding difluoromethyl alkynes 2 using potassium tert-butoxide in n-decane in moderate to good yields. Functional groups such as methoxy, dimethylamino, and bromo as well as phenyl, heteroaryl, and sterically demanding naphthyl were well tolerated under the reaction conditions. One-step transformations of difluoromethyl alkynes 2 to difluoromethylated isoxazoles 3 and 1,2,3-triazoles 4 were also achieved." @default.
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- W2950873971 date "2015-12-01" @default.
- W2950873971 modified "2023-09-27" @default.
- W2950873971 title "ChemInform Abstract: Difluoromethylation of Terminal Alkynes by Fluoroform." @default.
- W2950873971 cites W2427436356 @default.
- W2950873971 doi "https://doi.org/10.1002/chin.201552065" @default.
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