
Bulletin of the Chemical Society of Japan p. 2252 - 2256 (1990)
Update date:2022-08-04
Topics:
Keumi, Takashi
Shimada, Masakazu
Morita, Toshio
Kitajima, Hidehiko
A new trifluoroacetylating reagent, 2-(trifluoroacetyloxy)pyridine (TFAP), was prepared by the reaction of 2-pyridinol and trifluoroacetic anhydride.TFAP has been found to be effective in the trifluoroacetylation of aliphatic and aromatic amines and alcohols including phenol under mild conditions.The reaction of p-nitrophenol with TFAP in ether gave the hydrogen-bonded complex between the phenol and 2-pyridone.This reagent has also been shown to be useful for the intramolecular dehydration of aldehyde oximes and amides to give nitriles in high yields.
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