Regioselective, Solvent‐ and Metal‐Free Chalcogenation of Imidazo[1,2‐a]pyridines by Employing I2/DMSO as the Catalytic Oxidation System
Publication type: Journal Article
Publication date: 2016-07-08
scimago Q1
wos Q2
SJR: 0.981
CiteScore: 6.7
Impact factor: 3.7
ISSN: 09476539, 15213765
PubMed ID:
27388454
General Chemistry
Catalysis
Organic Chemistry
Abstract
Highly efficient molecular‐iodine‐catalyzed chalcogenations (S and Se) of imidazo[1,2‐a]pyridines were achieved by using diorganoyl dichalcogenides under solvent‐free conditions. This approach afforded the desired products that had been chalcogenated regioselectively at the C3 position in up to 96 % yield by using DMSO as an oxidant, in the absence of a metal catalyst, and under an inert atmosphere. This mild, green approach allowed the preparation of different types of chalcogenated imidazo[1,2‐a]pyridines with structural diversity. Furthermore, the current protocol was also extended to other N‐heterocyclic cores.
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Total citations:
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Citations from 2024:
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Rafique J. et al. Regioselective, Solvent‐ and Metal‐Free Chalcogenation of Imidazo[1,2‐a]pyridines by Employing I2/DMSO as the Catalytic Oxidation System // Chemistry - A European Journal. 2016. Vol. 22. No. 33. pp. 11854-11862.
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Rafique J., Saba S., Rosário A. R., Braga A. L. Regioselective, Solvent‐ and Metal‐Free Chalcogenation of Imidazo[1,2‐a]pyridines by Employing I2/DMSO as the Catalytic Oxidation System // Chemistry - A European Journal. 2016. Vol. 22. No. 33. pp. 11854-11862.
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TY - JOUR
DO - 10.1002/chem.201600800
UR - https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.201600800
TI - Regioselective, Solvent‐ and Metal‐Free Chalcogenation of Imidazo[1,2‐a]pyridines by Employing I2/DMSO as the Catalytic Oxidation System
T2 - Chemistry - A European Journal
AU - Rafique, Jamal
AU - Saba, Sumbal
AU - Rosário, Alisson R
AU - Braga, Antonio L
PY - 2016
DA - 2016/07/08
PB - Wiley
SP - 11854-11862
IS - 33
VL - 22
PMID - 27388454
SN - 0947-6539
SN - 1521-3765
ER -
Cite this
BibTex (up to 50 authors)
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@article{2016_Rafique,
author = {Jamal Rafique and Sumbal Saba and Alisson R Rosário and Antonio L Braga},
title = {Regioselective, Solvent‐ and Metal‐Free Chalcogenation of Imidazo[1,2‐a]pyridines by Employing I2/DMSO as the Catalytic Oxidation System},
journal = {Chemistry - A European Journal},
year = {2016},
volume = {22},
publisher = {Wiley},
month = {jul},
url = {https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.201600800},
number = {33},
pages = {11854--11862},
doi = {10.1002/chem.201600800}
}
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MLA
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Rafique, Jamal, et al. “Regioselective, Solvent‐ and Metal‐Free Chalcogenation of Imidazo[1,2‐a]pyridines by Employing I2/DMSO as the Catalytic Oxidation System.” Chemistry - A European Journal, vol. 22, no. 33, Jul. 2016, pp. 11854-11862. https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.201600800.