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Sadeghi M. The untold story of starch as a catalyst for organic reactions. RSC Adv 2024; 14:12676-12702. [PMID: 38645516 PMCID: PMC11027044 DOI: 10.1039/d4ra00775a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 04/04/2024] [Indexed: 04/23/2024] Open
Abstract
Starch is one of the members of the polysaccharide family. This biopolymer has shown many potential applications in different fields such as catalytic reactions, water treatment, packaging, and food industries. In recent years, using starch as a catalyst has attracted much attention. From a catalytic point of view, starch can be used in organic chemistry reactions as a catalyst or catalyst support. Reports show that as a catalyst, simple starch can promote many heterocyclic compound reactions. On the other hand, functionalized starch is not only capable of advancing the synthesis of heterocycles but also is a good candidate catalyst for other reactions including oxidation and coupling reactions. This review tries to provide a fair survey of published organic reactions which include using starch as a catalyst or a part of the main catalyst. Therefore, the other types of starch applications are not the subject of this review.
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Affiliation(s)
- Masoud Sadeghi
- Department of Organic Chemistry, Faculty of Chemistry, University of Kashan P.O. Box: 87317-51167 Kashan Iran
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2
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Yi D, Marcelot C, Romana I, Tassé M, Fazzini PF, Peres L, Ratel-Ramond N, Decorse P, Warot-Fonrose B, Viau G, Serp P, Soulantica K. Etching suppression as a means to Pt dendritic ultrathin nanosheets by seeded growth. NANOSCALE 2023; 15:1739-1753. [PMID: 36598381 DOI: 10.1039/d2nr05105b] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
2D ultrathin metal nanostructures are emerging materials displaying distinct physical and chemical properties compared to their analogues of different dimensionalities. Nanosheets of fcc metals are intriguing, as their crystal structure does not favour a 2D configuration. Thanks to their increased surface-to-volume ratios and the optimal exposure of low-coordinated sites, 2D metal nanostructures can be advantageously exploited in catalysis. Synthesis approaches to ultrathin nanosheets of pure platinum are scarce compared to other noble metals and to Pt-based alloys. Here, we present the selective synthesis of Pt ultrathin nansosheets by a simple seeded-growth method. The most crucial point in our approach is the selective synthesis of Pt seeds comprising planar defects, a main driving force for the 2D growth of metals with fcc structure. Defect engineering is employed here, not in order to disintegrate, but for conserving the defect comprising seeds. This is achieved by in situ elimination of the principal etching agent, chloride, which is present in the PtCl2 precursor. As a result of etching suppression, twinned nuclei, that are selectively formed during the early stage of nucleation, survive and grow to multipods comprising planar defects. Using the twinned multipods as seeds for the subsequent 2D overgrowth of Pt from Pt(acac)2 yields ultrathin dendritic nanosheets, in which the planar defects are conserved. Using phenylacetylene hydrogenation as a model reaction of selective hydrogenation, we compared the performance of Pt nanosheets to that of a commercial Pt/C catalyst. The Pt nanosheets show better stability and much higher selectivity to styrene than the commercial Pt/C catalyst for comparable activity.
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Affiliation(s)
- Deliang Yi
- Laboratoire de Physique et Chimie des Nano-Objets, UMR 5215 INSA, CNRS, UPS, Université de Toulouse, F-31077 Toulouse, France.
- LCC, CNRS-UPR 8241, ENSIACET, Université de Toulouse, 31030 Toulouse, France
| | - Cécile Marcelot
- CEMES-CNRS, Université de Toulouse, CNRS, 29 rue Jeanne Marvig, 31055 Toulouse, France
| | - Idaline Romana
- LCC, CNRS-UPR 8241, ENSIACET, Université de Toulouse, 31030 Toulouse, France
| | - Marine Tassé
- Laboratoire de Chimie de Coordination du CNRS, 205 route de Narbonne, F-31077 Toulouse, France
| | - Pier-Francesco Fazzini
- Laboratoire de Physique et Chimie des Nano-Objets, UMR 5215 INSA, CNRS, UPS, Université de Toulouse, F-31077 Toulouse, France.
| | - Laurent Peres
- Laboratoire de Physique et Chimie des Nano-Objets, UMR 5215 INSA, CNRS, UPS, Université de Toulouse, F-31077 Toulouse, France.
| | - Nicolas Ratel-Ramond
- CEMES-CNRS, Université de Toulouse, CNRS, 29 rue Jeanne Marvig, 31055 Toulouse, France
| | - Philippe Decorse
- ITODYS, UMR 7086, CNRS, Université de Paris, F-75013 Paris, France
| | | | - Guillaume Viau
- Laboratoire de Physique et Chimie des Nano-Objets, UMR 5215 INSA, CNRS, UPS, Université de Toulouse, F-31077 Toulouse, France.
| | - Philippe Serp
- LCC, CNRS-UPR 8241, ENSIACET, Université de Toulouse, 31030 Toulouse, France
| | - Katerina Soulantica
- Laboratoire de Physique et Chimie des Nano-Objets, UMR 5215 INSA, CNRS, UPS, Université de Toulouse, F-31077 Toulouse, France.
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3
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Yadav S, Dixit R, Sharma S, Dutta S, Arora B, Rana P, Kaushik B, Solanki K, Sharma RK. Unravelling the catalytic potential of a magnetic CoFe 2O 4/Cu–ABDC MOF composite in the sustainable synthesis of 2 H-indazole motifs. NEW J CHEM 2022. [DOI: 10.1039/d2nj01490d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A magnetic CoFe2O4/Cu–ABDC hybrid composite was fabricated for the synthesis of biologically active and pharmacologically significant 2H-indazole scaffolds.
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Affiliation(s)
- Sneha Yadav
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi – 110007, India
| | - Ranjana Dixit
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi – 110007, India
| | - Shivani Sharma
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi – 110007, India
| | - Sriparna Dutta
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi – 110007, India
| | - Bhavya Arora
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi – 110007, India
| | - Pooja Rana
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi – 110007, India
| | - Bhawna Kaushik
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi – 110007, India
| | - Kanika Solanki
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi – 110007, India
| | - Rakesh K. Sharma
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi – 110007, India
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Sharma S, Kaur M, Sharma C, Sharma S, Paul S. Amine Functionalized Silica Coated Cotton Fabric Supported Pd(0) Nanoparticles: Synthesis, Characterization and Catalytic Application for Suzuki Cross‐Coupling and Hydrogenations. ChemistrySelect 2021. [DOI: 10.1002/slct.202103088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Surbhi Sharma
- Department of Chemistry University of Jammu Jammu Tawi 180006 India
| | - Manpreet Kaur
- Department of Chemistry University of Jammu Jammu Tawi 180006 India
| | - Chandan Sharma
- Department of Chemistry University of Jammu Jammu Tawi 180006 India
| | - Shally Sharma
- Department of Chemistry University of Jammu Jammu Tawi 180006 India
| | - Satya Paul
- Department of Chemistry University of Jammu Jammu Tawi 180006 India
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Verma S, Kujur S, Agrahari B, Layek S, Pathak DD. Synthesis and Characterization of Cucurbit[6]uril Supported Copper Oxide Nanoparticles, CuO@CB[6]: Application as Nanocatalyst for the Synthesis of 2
H
‐indazoles. ChemistrySelect 2019. [DOI: 10.1002/slct.201902957] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Shruti Verma
- Department of Applied ChemistryIndian Institute of Technology (Indian School of Mines) Dhanbad- 826004 India
| | - Shelly Kujur
- Department of Applied ChemistryIndian Institute of Technology (Indian School of Mines) Dhanbad- 826004 India
| | - Bhumika Agrahari
- Department of Applied ChemistryIndian Institute of Technology (Indian School of Mines) Dhanbad- 826004 India
| | - Samaresh Layek
- Department of Applied ChemistryIndian Institute of Technology (Indian School of Mines) Dhanbad- 826004 India
| | - Devendra D. Pathak
- Department of Applied ChemistryIndian Institute of Technology (Indian School of Mines) Dhanbad- 826004 India
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Soltani Rad MN. Ultrasound promoted mild and facile one-pot, three component synthesis of 2H-indazoles by consecutive condensation, CN and NN bond formations catalysed by copper-doped silica cuprous sulphate (CDSCS) as an efficient heterogeneous nano-catalyst. ULTRASONICS SONOCHEMISTRY 2017; 34:865-872. [PMID: 27773314 DOI: 10.1016/j.ultsonch.2016.07.026] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Revised: 07/13/2016] [Accepted: 07/27/2016] [Indexed: 06/06/2023]
Abstract
An ultrasonic promoted facile and convenient one-pot three-component procedure for the synthesis of 2H-indazole derivatives using copper-doped silica cuprous sulphate (CDSCS) as a heterogeneous nano-catalyst has been described. In this approach, ultrasonic mediated reaction of different substituted 2-bromobenzaldehydes, structurally diverse primary amines, and tetrabutylammonium azide (TBAA) as an azide source in the presence of CDSCS in DMSO at room temperature furnishes 2H-indazoles in good to excellent yields. Utilizing ultrasonic irradiation techniques provided the dramatic improvements in terms of higher yields and shorter reaction times compared with conventional heating method.
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Affiliation(s)
- Mohammad Navid Soltani Rad
- Medicinal Chemistry Research Laboratory, Department of Chemistry, Shiraz University of Technology, Shiraz 71555-313, Iran.
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Lasch R, Heinrich MR. Zinc-Mediated Allylation and Benzylation of Phenylazocarboxylic Esters. J Org Chem 2015; 80:10412-20. [DOI: 10.1021/acs.joc.5b01978] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Roman Lasch
- Department of Chemistry and
Pharmacy, Pharmaceutical Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schuhstraße 19, 91052 Erlangen, Germany
| | - Markus R. Heinrich
- Department of Chemistry and
Pharmacy, Pharmaceutical Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schuhstraße 19, 91052 Erlangen, Germany
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