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Direct aromatic amination by azides: reactions of hydrazoic acid and butyl azides with aromatic compounds in the presence of both trifluoromethanesulfonic acid and trifluoroacetic acid

โœ Scribed by Takeuchi, Hiroshi; Adachi, Taki; Nishiguchi, Hideaki; Itou, Katsutaka; Koyama, Kikuhiko

Book ID
120040109
Publisher
Royal Society of Chemistry
Year
1993
Weight
504 KB
Volume
7
Category
Article
ISSN
1472-7781

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Solvent-free Friedelโ€“Crafts acylation of
Solvent-free Friedelโ€“Crafts acylation of aromatic compounds with carboxylic acids in the presence of trifluoroacetic anhydride and aluminum dodecatungstophosphate
โœ Habib Firouzabadi; Nasser Iranpoor; Farhad Nowrouzi ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 103 KB

The stable and non-hygroscopic aluminum dodecatungstophosphate (AlPW 12 O 40 ), was found to be an effective catalyst (3 mol%) for the solvent-free Friedel-Crafts acylation of aromatic compounds with carboxylic acids in the presence of trifluoroacetic anhydride under mild reaction conditions.