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Solvent free one pot syntheses of highly substituted propargyl ethers and propargyl amines from propargyl alcohols catalyzed by recyclable alumina-sulfuric acid. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Ghatak A, Bhar S. Chemoselective reduction of nitroaromatics using recyclable alumina-supported nickel nanoparticles in aqueous medium—exploration to one pot synthesis of benzimidazoles. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2021.2024853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Avishek Ghatak
- Department of Chemistry, Dr. A. P. J. Abdul Kalam Government College (West Bengal State University), Kolkata, India
| | - Sanjay Bhar
- Department of Chemistry, Jadavpur University, Kolkata, India
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Das AK, Nandy S, Bhar S. Cu(OAc)2 catalysed aerobic oxidation of aldehydes to nitriles under ligand-free conditions. RSC Adv 2022; 12:4605-4614. [PMID: 35425513 PMCID: PMC8981401 DOI: 10.1039/d1ra07701e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 11/23/2021] [Indexed: 11/21/2022] Open
Abstract
An economically efficient ligand-free oxidative conversion of aldehydes to nitriles has been achieved using Cu(OAc)2 and NH4OAc as inexpensive materials of low toxicity in the presence of aerial oxygen as an eco-friendly oxidant.
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Affiliation(s)
- Asit Kumar Das
- Department of Chemistry, Krishnath College, Berhampore, Murshidabad-742101, India
| | - Sneha Nandy
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata-700032, India
| | - Sanjay Bhar
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata-700032, India
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