Ramachary, Dhevalapally B. ; Shashank, Adluri B. (2013) Organocatalytic Triazole Formation, Followed by Oxidative Aromatization: Regioselective Metal-Free Synthesis of Benzotriazoles Chemistry - A European Journal, 19 (39). pp. 13175-13181. ISSN 0947-6539
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Official URL: http://doi.org/10.1002/chem.201301412
Related URL: http://dx.doi.org/10.1002/chem.201301412
Abstract
Herein we report on our studies on the sequential one-pot combinations of amine-catalyzed multicomponent reactions (MCRs). We have developed the copper-free synthesis of functionalized bicyclic N-aryl-1,2,3-triazole and N-arylbenzotriazole products 4 and 5 from the simple unmodified starting materials through [3+2]-cycloaddition ([3+2]-CA) and oxidative aromatization reactions in one pot under amine catalysis. The sequential one-pot reaction proceeds in good yields with high selectivity by using pyrrolidine as the catalyst from the simple unmodified substrates of enones, aryl azides, and 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ). Furthermore, we have demonstrated the medicinal applications of products 4 and 5 through simple organic reactions.
Item Type: | Article |
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Source: | Copyright of this article belongs to John Wiley and Sons, Inc. |
ID Code: | 120675 |
Deposited On: | 03 Jul 2021 07:58 |
Last Modified: | 03 Jul 2021 07:58 |
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