Trifluoroacetic Anhydride as an Activator in the Acylation of Aryl Methyl Ketones with Carboxylic Acids

Trifluoroacetic anhydride was used as an efficient activator of the acylation of aryl methyl ketones with carboxylic acids in the presence of Brønsted and Lewis acids (SF 3 SO 3 H, MeSO 3 H, 4-MeC 6 H 4 SO 3 H·H 2 O, BF 3 ·Et 2 O). In all cases, the products were the corresponding β-diketones. In th...

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Bibliographic Details
Published in:Russian journal of organic chemistry 2020-10, Vol.56 (10), p.1770-1774
Main Authors: Shokova, E. A., Tafeenko, V. A., Kovalev, V. V.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Organic Chemistry
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Summary:Trifluoroacetic anhydride was used as an efficient activator of the acylation of aryl methyl ketones with carboxylic acids in the presence of Brønsted and Lewis acids (SF 3 SO 3 H, MeSO 3 H, 4-MeC 6 H 4 SO 3 H·H 2 O, BF 3 ·Et 2 O). In all cases, the products were the corresponding β-diketones. In the reactions in the presence of boron trifluoride–diethyl ether complex, the products were isolated as BF 2 -chelates with high yields.
ISSN:1070-4280
1608-3393
DOI:10.1134/S1070428020100164