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Ring-Opening Rearrangements of 2-(Benzotriazol-1-yl) Enamines and a Novel Synthesis of 2,4-Diarylquinazoline

โœ Scribed by Katritzky, Alan R.; Yang, Baozhen; Jiang, Jinlong; Steel, Peter J.


Book ID
126210583
Publisher
American Chemical Society
Year
1995
Tongue
English
Weight
447 KB
Volume
60
Category
Article
ISSN
0022-3263

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a-Benzotriazolylamides 6a-d afforded N-(benzotriazol-1-ylmethyl)arylimidoyl chlorides (4a-d), which reacted in situ with potassium tert-butoxide to form 3-aryl-1,2,4-triazolo[1,2-a]benzotriazoles (7a-d) (44-68%), representatives of a novel heterocyclic system. The structure of 7a was confirmed by si