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Vala A, Parmar D, Rayani R, Kusurkar R, Guduru R, Kaneriya U, Gondaliya U, Parmar N, Soni JY. 1,4,2-Dioxazol-5-ones as Isocyanate Equivalents: Chemoselective Non-Metal-Catalyzed Carboxamidation of Indoles. Synlett 2022. [DOI: 10.1055/s-0041-1737338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Abstract1,4,2-Dioxazol-5-ones are known to undergo decarboxylation under thermal conditions followed by Lossen’s rearrangement to give isocyanates. Described herein is the in situ trapping of the isocyanates by indoles to give indole-3-carboxamides in good to excellent yields.
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Affiliation(s)
- Anand Vala
- Piramal Discovery Solutions, Pharmaceutical Special Economic Zone
- Department of Chemistry, Faculty of Science, The Madhav University
| | - Deepa Parmar
- Piramal Discovery Solutions, Pharmaceutical Special Economic Zone
- Department of Chemistry, Faculty of Science, The Madhav University
| | - Rahul Rayani
- Piramal Discovery Solutions, Pharmaceutical Special Economic Zone
- Department of Chemistry, Faculty of Science, The Madhav University
| | - Rakesh Kusurkar
- Piramal Discovery Solutions, Pharmaceutical Special Economic Zone
- Department of Chemistry, Faculty of Science, The Madhav University
| | | | - Uttam Kaneriya
- Piramal Discovery Solutions, Pharmaceutical Special Economic Zone
| | - Uday Gondaliya
- Piramal Discovery Solutions, Pharmaceutical Special Economic Zone
| | - Nirali Parmar
- Piramal Discovery Solutions, Pharmaceutical Special Economic Zone
| | - Jigar Y. Soni
- Department of Chemistry, Faculty of Science, The Madhav University
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