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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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.


Keywords


Alacritous; Eaton’s reagent; 3-Benzazepinone; Solvent free reaction; Methane sulfonic acid; Phosphorous pentoxide

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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

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[2]. Xiang-Yu Ye, Zhi-Qin Liang, Cong Jin, Qi-Wei Lang, Gen-Qiang Chen, Xumu Zhang
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[3]. Zhanwei Ma, Min Zhou, Lin Ma, Min Zhang
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How to cite


Thimmaiah, S.; Ningegowda, M.; Shivananju, N.; Ningegowda, R.; Siddaraj, R.; Priya, B. Eur. J. Chem. 2016, 7(4), 391-396. doi:10.5155/eurjchem.7.4.391-396.1477
Thimmaiah, S.; Ningegowda, M.; Shivananju, N.; Ningegowda, R.; Siddaraj, R.; Priya, B. Eaton’s reagent catalysed alacritous synthesis of 3-benzazepinones. Eur. J. Chem. 2016, 7(4), 391-396. doi:10.5155/eurjchem.7.4.391-396.1477
Thimmaiah, S., Ningegowda, M., Shivananju, N., Ningegowda, R., Siddaraj, R., & Priya, B. (2016). Eaton’s reagent catalysed alacritous synthesis of 3-benzazepinones. European Journal of Chemistry, 7(4), 391-396. doi:10.5155/eurjchem.7.4.391-396.1477
Thimmaiah, Shubhavathi, Mallesha Ningegowda, Nanjunda Swamy Shivananju, Raghu Ningegowda, Ranjith Siddaraj, & Babu Shubha Priya. "Eaton’s reagent catalysed alacritous synthesis of 3-benzazepinones." European Journal of Chemistry [Online], 7.4 (2016): 391-396. Web. 2 Mar. 2021
Thimmaiah, Shubhavathi, Ningegowda, Mallesha, Shivananju, Nanjunda, Ningegowda, Raghu, Siddaraj, Ranjith, AND Priya, Babu. "Eaton’s reagent catalysed alacritous synthesis of 3-benzazepinones" European Journal of Chemistry [Online], Volume 7 Number 4 (31 December 2016)

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