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| Title: | Organic-Dye-Catalyzed Visible-Light-Mediated Regioselective C-3 Alkoxycarbonylation of Imidazopyridines by Carbazates |
| Authors: | Sarothiya, Durgesh Bhawale, Rajesh T. Kshirsagar, Umesh Achyutrao |
| Keywords: | Catalysts;Environmental protection;Light;Regioselectivity;Alkoxycarbonylation;Eco-friendly;Heterocycles;Imidazopyridines;Organic dye;Quinoxalines;Regio-selective;Rose Bengal;Visible light;]+ catalyst;Pyridine |
| Issue Date: | 2022 |
| Publisher: | American Chemical Society |
| Citation: | Sarothiya, D., Bhawale, R. T., & Kshirsagar, U. A. (2022). Organic-dye-catalyzed visible-light-mediated regioselective C-3 alkoxycarbonylation of imidazopyridines by carbazates. Journal of Organic Chemistry, 87(21), 14915-14922. doi:10.1021/acs.joc.2c01742 |
| Abstract: | A mild and eco-friendly visible-light-mediated regioselective C-H alkoxycarbonylation of imidazo[1,2-a]pyridine heterocycles using rose bengal as a photoredox catalyst at room temperature has been developed. Biologically important alkoxycarboxylated imidazo[1,2-a]pyridines at the C-3 position as well as coumarins and quinoxalin-2(1H)-ones have been prepared. The present approach has the advantage of having a user- and eco-friendly catalyst, a carbonyl source, as well as extremely mild conditions for direct and regioselective C-H alkoxycarbonylation mediated by visible light as a green energy source. © 2022 American Chemical Society. All rights reserved. |
| URI: | https://doi.org/10.1021/acs.joc.2c01742 https://dspace.iiti.ac.in/handle/123456789/11120 |
| ISSN: | 0022-3263 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Chemistry |
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