Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/105850
Title: | A tailored COF for visible-light photosynthesis of 2,3-dihydrobenzofurans | Authors: | Parvatkar, PT Kandambeth, S Shaikh, AC Nadinov, I Yin, J Kale, VS Healing, G Emwas, AH Shekhah, O Alshareef, HN Mohammed, OF |
Issue Date: | 8-Mar-2023 | Source: | Journal of the American Chemical Society, 8 Mar. 2023, v. 145, no. 9, p. 5074-5082 | Abstract: | Heterogeneous photocatalysis is considered as an ecofriendly and sustainable approach for addressing energy and environmental persisting issues. Recently, heterogeneous photocatalysts based on covalent organic frameworks (COFs) have gained considerable attention due to their remarkable performance and recyclability in photocatalytic organic transformations, offering a prospective alternative to homogeneous photocatalysts based on precious metal/organic dyes. Herein, we report Hex-Aza-COF-3 as a metal-free, visible-light-activated, and reusable heterogeneous photocatalyst for the synthesis of 2,3-dihydrobenzofurans, as a pharmaceutically relevant structural motif, via the selective oxidative [3+2] cycloaddition of phenols with olefins. Moreover, we demonstrate the synthesis of natural products (±)-conocarpan and (±)-pterocarpin via the [3+2] cycloaddition reaction as an important step using Hex-Aza-COF-3 as a heterogeneous photocatalyst. Interestingly, the presence of phenazine and hexaazatriphenylene as rigid heterocyclic units in Hex-Aza-COF-3 strengthens the covalent linkages, enhances the absorption in the visible region, and narrows the energy band, leading to excellent activity, charge transport, stability, and recyclability in photocatalytic reactions, as evident from theoretical calculations and real-time information on ultrafast spectroscopic measurements. | Publisher: | American Chemical Society | Journal: | Journal of the American Chemical Society | ISSN: | 0002-7863 | EISSN: | 1520-5126 | DOI: | 10.1021/jacs.2c10471 | Rights: | © 2023 The Authors. Published by American Chemical Society. This publication is licensed under CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/). The following publication Parvatkar, P. T., Kandambeth, S., Shaikh, A. C., Nadinov, I., Yin, J., Kale, V. S., Healing, G., Emwas, A.-H., Shekhah, O., Alshareef, H. N., Mohammed, O. F., & Eddaoudi, M. (2023). A Tailored COF for Visible-Light Photosynthesis of 2,3-Dihydrobenzofurans. Journal of the American Chemical Society, 145(9), 5074-5082 is available at https://doi.org/10.1021/jacs.2c10471. |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Parvatkar_Tailored_COF_Visible-Light.pdf | 6.5 MB | Adobe PDF | View/Open |
Page views
13
Citations as of Jun 30, 2024
Downloads
2
Citations as of Jun 30, 2024
SCOPUSTM
Citations
34
Citations as of Jul 4, 2024
WEB OF SCIENCETM
Citations
30
Citations as of Jul 4, 2024
![](/image/google_scholar.jpg)
Google ScholarTM
Check
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.