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Eaton’s reagent catalysed alacritous synthesis of 3-benzazepinones
Shubhavathi Thimmaiah (1)
, Mallesha Ningegowda (2) , Nanjunda Swamy Shivananju (3) , Raghu Ningegowda (4) , Ranjith Siddaraj (5) , Babu Shubha Priya (6,*) (1) Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
(2) Research and Development Centre, Chethan Joshi Exports Biochem Pvt. Ltd., Bommanahalli, Bangalore, 560068, India
(3) Department of Biotechnology, JSS Science and Technology University, JSS Technical Institutions Campus, Mysuru, 570006, Karnataka, India
(4) Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
(5) Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
(6) Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
(*) Corresponding Author
Received: 13 Jul 2016 | Accepted: 07 Aug 2016 | Published: 31 Dec 2016 | Issue Date: December 2016
Abstract
An expeditious method for the synthesis of 3-benzazepinones has been developed by using a mixture of phosphorus pentoxide-methane sulfonic acid (Eaton’s reagent) at room temperature under solvent and metal catalyst free condition. Wide functional group tolerance, mild reaction conditions, simple procedure, ease of work-up and high yields is the citable features of this protocol.
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DOI: 10.5155/eurjchem.7.4.391-396.1477
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Funding information
Science and Engineering Research Board, New Delhi [Start-Up-Research Grant (Young Scientists)-Life Sciences] No: SB/FT/LS-297/2012] and University Grants Commission, New Delhi, Govt. of India under UGC-MRP vide No. F. No: 41/224/2012 (SR).
Citations
[1]. Alexia N. Kim, Aurapat Ngamnithiporn, Eric R. Welin, Martin T. Daiger, Christian U. Grünanger, Michael D. Bartberger, Scott C. Virgil, Brian M. Stoltz
Iridium-Catalyzed Enantioselective and Diastereoselective Hydrogenation of 1,3-Disubstituted Isoquinolines
ACS Catalysis , 3241, 2020
DOI: 10.1021/acscatal.0c00211
[2]. Zhanwei Ma, Min Zhou, Lin Ma, Min Zhang
Synthesis of benzofurans from the cyclodehydration of α-phenoxy ketones mediated by Eaton’s reagent
Journal of Chemical Research , 174751982090724, 2020
DOI: 10.1177/1747519820907244
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DOI Link: https://doi.org/10.5155/eurjchem.7.4.391-396.1477
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European Journal of Chemistry 2016, 7(4), 391-396 | doi: https://doi.org/10.5155/eurjchem.7.4.391-396.1477 | Get rights and content
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