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Singh RK, Sharda S, Sharma S, Kumar S, Prasad DN. Multicomponent Catalytic Synthesis of 1,5-Benzodiazepines: An Update. MINI-REV ORG CHEM 2020. [DOI: 10.2174/1570193x16666190509074109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
1,5-Benzodiazepines are considered some of the most vital classes of heterocyclic compounds due to their amazing biological and varied pharmacological activities. They are regarded as privileged structures and therefore have been striking synthetic targets for organic and medicinal chemists over the last decade. This results in the exploration of various silica supported catalysts, Lewis acids, organoacids, magnetic nanoparticles and other miscellaneous catalysts that have been investigated till date for an efficient and green synthesis of 1,5-benzodiazepine and its derivatives. The current review article primarily covers the one-pot green chemical synthesis of 1,5- benzodiazepines using various novel catalysts. The main motive of this review is the assessment of the literature on various catalysts along with their yield, reaction condition, and mechanism of action. In the end, the entire catalysts are structured systematically into various Lewis acids, Bronsted organoacids, supported catalysts, nanocatalysts, and miscellaneous catalysts and are presented in the form of tables for quick ‘at a glance’ study of catalysts, their reaction condition, time taken, etc.
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Affiliation(s)
- Rajesh K. Singh
- Department of Pharmaceutical Chemistry, Shivalik College of Pharmacy, Nangal, Dist. Rupnagar, 140126, Punjab, India
| | - Sadhna Sharda
- Department of Pharmaceutical Chemistry, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Shikha Sharma
- Department of Pharmaceutical Chemistry, Global College of Pharmacy, Kahnpur-Khui, Dist. Ropar, Punjab, India
| | - Sahil Kumar
- Department of Pharmacy, School of Medical and Allied Sciences, GD Goenka University, Sohna, Dist. Gurugram- 122103, Haryana, India
| | - Deo Nandan Prasad
- Department of Pharmaceutical Chemistry, Shivalik College of Pharmacy, Nangal, Dist. Rupnagar, 140126, Punjab, India
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Chemo-/regio-selective synthesis of 2-aryl-3-acetyl-2,4-dihydro-1H-5H-1,5-benzodiazepines using Lewis acid, CeCl3·7H2O. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.11.089] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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A review on green Lewis acids: zirconium(IV) oxydichloride octahydrate (ZrOCl2·8H2O) and zirconium(IV) tetrachloride (ZrCl4) in organic chemistry. RESEARCH ON CHEMICAL INTERMEDIATES 2015. [DOI: 10.1007/s11164-015-2260-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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