4-Dimethylamino-1-trifluoroacetylpyridinium trifluoroacetate: An efficient reagent for the preparation of trifluoromethyl 1,3-dicarbonyl compounds

DOI: 10.1055/s-1997-1501

Source and publish data:

Synthesis p. 117 - 120 (1997)

Update date:2022-08-05

Topics:

Authors:

Simchen, Gerhard

Schmidt, Andreas

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Article abstract of DOI:10.1055/s-1997-1501

Enamines 2 and O-trimethylsilyl ketene acetals 4 are trifluoroacetylated on reaction with the title reagent to yield trifluoroacetyl enamines 3 and trifluoromethylsilylenol ethers 5, respectively. Trifluoromethyl 1,3-diketones 6 and trifluoromethyl β-keto esters 7 are obtained by hydrolysis of compounds 3 and 5.

Full text of DOI:10.1055/s-1997-1501

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