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Chakraborty S, Paul B, De UC, Natarajan R, Majumdar S. Water-SDS-[BMIm]Br composite system for one-pot multicomponent synthesis of pyrano[2,3- c]pyrazole derivatives and their structural assessment by NMR, X-ray, and DFT studies. RSC Adv 2023; 13:6747-6759. [PMID: 36860543 PMCID: PMC9969234 DOI: 10.1039/d3ra00137g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Accepted: 02/16/2023] [Indexed: 03/03/2023] Open
Abstract
Here, we report a simple, efficient, and green protocol for the one-pot synthesis of pyrano[2,3-c]pyrazole derivatives via a sequential three-component strategy using aromatic aldehydes, malononitrile and pyrazolin-5-one in a water-SDS-ionic liquid system. This is a base and volatile organic solvent-free approach that could be applicable to a wide substrate scope. The key advantages of the method over other established protocols are very high yield, eco-friendly conditions, chromatography-free purification and recyclability of the reaction medium. Our study revealed that the N-substituent present in pyrazolinone controls the selectivity of the process. N-unsubstituted pyrazolinone favours the formation of 2,4-dihydro pyrano[2,3-c]pyrazoles whereas under identical conditions N-phenyl substituent pyrazolinone favours the formation 1,4-dihydro pyrano[2,3-c]pyrazoles. Structures of the synthesized products were established by NMR and X-ray diffraction techniques. Energy optimized structures and energy gaps between the HOMO-LUMO of some selected compounds were estimated using density functional theory to explain the extra stability of the 2,4-dihydro pyrano[2,3-c]pyrazoles over 1,4-dihydro pyrano[2,3-c]pyrazoles.
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Affiliation(s)
- Sourav Chakraborty
- Department of Chemistry, Tripura University Suryamaninagar 799 022 India +91-381-2374802 +91-381-237-9070
| | - Bhaswati Paul
- CSIR-Indian Institute of Chemical Biology4,Raja S. C. Mullick RoadKolkata 700 032India
| | - Utpal Chandra De
- Department of Chemistry, Tripura University Suryamaninagar 799 022 India +91-381-2374802 +91-381-237-9070
| | - Ramalingam Natarajan
- CSIR-Indian Institute of Chemical Biology4,Raja S. C. Mullick RoadKolkata 700 032India
| | - Swapan Majumdar
- Department of Chemistry, Tripura University Suryamaninagar 799 022 India +91-381-2374802 +91-381-237-9070
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Zhang Q, Poncin S, Blanchard C, Ma Y, Li HZ. Coalescence of a Ferrofluid Drop at Its Bulk Surface with or without a Magnetic Field. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:461-468. [PMID: 36542524 DOI: 10.1021/acs.langmuir.2c02727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The coalescence of a ferrofluid drop at its bulk surface, with or without a magnetic field, was investigated experimentally by a high-speed camera. Shape deformations of both the pendant ferrofluid drop and the bulk surface in the axial direction were observed during the approaching process even in the absence of a magnetic field. The angle of the upper pendant peak at the first contact decreases with the magnetic flux density, while the lower ferrofluid peak displays an opposite trend. The coalescing width of the ferrofluid drop follows a power-law relationship. The exponent of 0.64 under medium and high magnetic fields as well as the case without magnetic field confirms the inertial regime of drop coalescence. Under the low magnetic field, the significant exponent increasing from 0.59 to 3.02 at about 4 ms is in coincidence with the sudden change to a smooth coalescing section according to the visualized images. A high-speed microparticle image velocimetry (micro-PIV) technique was employed with a transparent model fluid to reveal the flow fields during the drop coalescence instead of opaque ferrofluids.
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Affiliation(s)
- Qindan Zhang
- School of Mechanical and Electrical Engineering, Institute for Systems Rheology, Guangzhou University, Guangzhou, Guangdong510006, China
- Laboratory of Reactions and Process Engineering, CNRS, University of Lorraine, 1 rue Grandville, BP 20451, 54001Nancy CEDEX, France
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin300350, China
| | - Souhila Poncin
- Laboratory of Reactions and Process Engineering, CNRS, University of Lorraine, 1 rue Grandville, BP 20451, 54001Nancy CEDEX, France
| | - Christian Blanchard
- Laboratory of Reactions and Process Engineering, CNRS, University of Lorraine, 1 rue Grandville, BP 20451, 54001Nancy CEDEX, France
| | - Youguang Ma
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin300350, China
| | - Huai Z Li
- Laboratory of Reactions and Process Engineering, CNRS, University of Lorraine, 1 rue Grandville, BP 20451, 54001Nancy CEDEX, France
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Nie Z, Yang T, Su M, Luo WP, Liu Q, Guo CC. One‐Step Synthesis of Arylacetaldehydes from Aryl aldehydes or Diaryl ketones via One‐Carbon Extension by Using the System of DMSO/KOH/Zinc. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Yuan J, Mohammadnia M. Preparation of a novel, efficient, and recyclable magnetic catalyst, Cu(II)-OHPC-Fe3O4 nanoparticles, and a solvent-free protocol for the synthesis of coumarin derivatives. J COORD CHEM 2021. [DOI: 10.1080/00958972.2021.1954172] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Jingjing Yuan
- Hubei College of Chinese Medicine, Jingzhou, Hubei, China
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Mondal R, Chakraborty A, Ghanta R, Menéndez MI, Chattopadhyay T. Experimental and theoretical investigation of the catalytic performance of reduced Schiff base and Schiff base iron complexes: Transformation to magnetically retrievable catalyst. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6332] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Rimpa Mondal
- Department of Chemistry Diamond Harbour Women's University Sarisha India
| | - Aratrika Chakraborty
- Department of Chemistry, University College of Science University of Calcutta Kolkata India
- Department of Chemistry Lady Brabourne College Kolkata India
| | - Rinku Ghanta
- Department of Chemistry Diamond Harbour Women's University Sarisha India
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Gahrooee TR, Abbasi Moud A, Danesh M, Hatzikiriakos SG. Rheological characterization of CNC-CTAB network below and above critical micelle concentration (CMC). Carbohydr Polym 2021; 257:117552. [PMID: 33541625 DOI: 10.1016/j.carbpol.2020.117552] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/03/2020] [Accepted: 12/18/2020] [Indexed: 11/26/2022]
Abstract
The network of Cellulose Nanocrystal (CNC) suspension is explored below and above the critical micelle concentration (CMC), in the presence of cetyltrimethylammonium bromide (CTAB) with a positively charged head using TEM imaging and rheological characterization. CNC-CTAB gels show shear thinning behavior, complex relationship between strain amplitudes and CTAB concentration, diminishing thixotropic behavior as a function of CTAB and single and two yielding stress maxima as a function of CTAB, resulting from different microstructure below and above the critical Micelle Concentration (CMC) of CTAB. Comparing the flow curves of CNC-CTAB suspension/gel revealed the role played by CTAB content, CNC concentration and sonication energy in strengthening of the network. We analyzed and obtained yield stress from steady shear, creep testing and oscillatory experiments and compared them.
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Affiliation(s)
- Tina Raeisi Gahrooee
- Department of Chemical and Biological Engineering, The University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Aref Abbasi Moud
- Department of Chemical and Biological Engineering, The University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Marziyeh Danesh
- Department of Chemical and Biological Engineering, The University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Savvas G Hatzikiriakos
- Department of Chemical and Biological Engineering, The University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.
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Chakraborty A, Chowdhury T, Menéndez MI, Chattopadhyay T. Iron Complexes Anchored onto Magnetically Separable Graphene Oxide Sheets: An Excellent Catalyst for the Synthesis of Dihydroquinazoline-Based Compounds. ACS APPLIED MATERIALS & INTERFACES 2020; 12:38530-38545. [PMID: 32805955 DOI: 10.1021/acsami.0c08616] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this work, a green, sustainable, and efficient protocol for the syntheses of dihydroquinazoline derivatives is proposed. Initially, three Schiff base complexes of iron containing the ligand (2,2-dimethylpropane-1,3-diyl)bis(azanylylidene)bis(methanylylidene)bis(2,4-Xphenol), where X = Cl (complex 1)/Br (complex 2)/I (complex 3), were synthesized, fully characterized, and used in the desired syntheses. Complex 1 excelled as a catalyst, closely followed by complexes 2 and 3. DFT calculations helped in rationalizing the role of the halide substituent in the ligand backbone as a relevant factor in the catalytic superiority of complex 1 over complexes 2 and 3 for the synthesis of the dihydroquinazoline derivatives. Finally, to facilitate catalyst recoverability and reusability, complex 1 was immobilized on GO@Fe3O4@APTES (GO, graphene oxide; APTES, 3-aminopropyltriethoxysilane) to generate GO@Fe3O4@APTES@FeL1 (GOTESFe). GOTESFe was thoroughly characterized through scanning electron microscopy, transmission electron microscopy, powder X-ray diffraction, Fourier transform infrared spectroscopy, thermogravimetric analysis, and X-ray photoelectron spectroscopy and efficiently used for the synthesis of dihydroquinazoline derivatives. GOTESFe could be magnetically recovered and reused up to five cycles without compromising its catalytic efficiency. Therefore, immobilization of the chosen iron complex onto magnetic GO sheets offers an extremely competent route in providing a blueprint of a readily recoverable, reusable, robust, and potent catalyst for the synthesis of dihydroquinazoline-based compounds.
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Affiliation(s)
- Aratrika Chakraborty
- Department of Chemistry, University College of Science, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Tania Chowdhury
- Department of Chemistry, University College of Science, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - María Isabel Menéndez
- Departamento de Química Físicay Analítica, C/Julián Clavería, 8, Oviedo 33006, Spain
| | - Tanmay Chattopadhyay
- Department of Chemistry, Diamond Harbour Women's University, Diamond Harbour Road, Sarisha, South 24 Pgs, West Bengal 743368, India
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