1
|
Chettri S, Tamang S, Pradhan K, Sinha B, Brahman D. Copper borate (CuB 4O 7)-promoted multi-component green synthesis of 2,4,5-triarylimidazole derivatives and evidence of in situ conversion of copper borate (CuB 4O 7) into Cu(OAc) 2 in the presence of NH 4OAc. RSC Adv 2023; 13:19846-19855. [PMID: 37409029 PMCID: PMC10318610 DOI: 10.1039/d3ra03183g] [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: 05/13/2023] [Accepted: 06/19/2023] [Indexed: 07/07/2023] Open
Abstract
A green, efficient, and straightforward methodology for the three-component synthesis of 2,4,5-triarylimidazole has been developed under solvent-free conditions using unconventional CuB4O7 as a promoter. This green approach encouragingly provides access to a library of 2,4,5-tri-arylimidazole. Also, we have been able to isolate the compound (5) and (6) in situ, which provides an insight into the direct conversion of CuB4O7 into copper acetate in the presence of NH4OAc under solvent-free condition. The main advantage of this protocol includes an easy reaction procedure, short reaction time, and easy work up of the product without using any tedious separation method.
Collapse
Affiliation(s)
- Sailesh Chettri
- Department of Chemistry, St. Joseph's College Darjeeling 734104 India
| | - Sumiran Tamang
- Department of Chemistry, St. Joseph's College Darjeeling 734104 India
| | - Kiran Pradhan
- Department of Chemistry, University of North Bengal Darjeeling 734013 India
| | - Biswajit Sinha
- Department of Chemistry, University of North Bengal Darjeeling 734013 India
| | - Dhiraj Brahman
- Department of Chemistry, St. Joseph's College Darjeeling 734104 India
| |
Collapse
|
2
|
Malihishoja A, Dekamin MG, Eslami M. Magnetic polyborate nanoparticles as a green and efficient catalyst for one-pot four-component synthesis of highly substituted imidazole derivatives. RSC Adv 2023; 13:16584-16601. [PMID: 37274415 PMCID: PMC10234260 DOI: 10.1039/d3ra02262e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 05/06/2023] [Indexed: 06/06/2023] Open
Abstract
In this study, magnetic polyborate nanoparticles (MPBNPs) were prepared via a simple procedure from boric acid by using ball-milling and then characterized by various spectroscopic, microscopic and analytical methods including FT-IR, EDX, XRD, FESEM, VSM and TGA analysis. The obtained MPBNPs were further explored, as a green and highly efficient catalyst, in the multi-component synthesis of a wide range of tetra-substituted imidazoles from cascade cyclocondensation as well as in situ air oxidation of benzil or benzoin, aromatic aldehydes, primary amine and ammonium acetate in EtOH, as a green solvent, under reflux conditions. Additionally, environmentally friendly conditions for the preparation of the catalyst by the use of non-toxic reactants, facile procedure and high to excellent yields of the desired products as well as the use of a green solvent are some advantages of this new protocol.
Collapse
Affiliation(s)
- Alireza Malihishoja
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Mohammad G Dekamin
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Mohammad Eslami
- Department of Chemistry, Behbahan Khatam Alanbia University of Technology Behbahan 63616-63973 Iran
| |
Collapse
|
3
|
Dipake SS, Ingale VD, Korde SA, Lande MK, Rajbhoj AS, Gaikwad ST. An efficient green protocol for the synthesis of 1,2,4,5-tetrasubstituted imidazoles in the presence of ZSM-11 zeolite as a reusable catalyst. RSC Adv 2022; 12:4358-4369. [PMID: 35425417 PMCID: PMC8981000 DOI: 10.1039/d1ra07984k] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 12/29/2021] [Indexed: 11/21/2022] Open
Abstract
In this study, we have synthesized a series of ZSM-11 zeolite catalysts using tetrapropyl ammonium hydroxide as a structure-directing agent through a highly efficient hydrothermal method. The series of catalysts were studied by different techniques such as FT-IR spectroscopy, XRD, FE-SEM, HR-TEM, EDS, pyridine-FT-IR spectroscopy, and BET analysis. We focused on varying reaction time intervals from 18 to 48 hours to investigate the effect on catalytic activities of the synthesized series of catalysts. The percentages of aluminum increased in the framework of zeolites with increasing crystallinity, surface area, external surface area, and acidity in the series of ZSM-11 zeolites by increasing the time from 18 to 48 h. Then, we studied the catalytic activity of a series of ZSM-11 zeolites and found that the ZSM-11 zeolite (48 h) possesses higher catalytic activity towards the synthesis of 1,2,4,5-tetrasubstituted imidazoles under solvent-free conditions. The present protocol scored well with excellent yield, short reaction time, clean reaction profiles, low catalyst loading, and no tedious workup. The catalyst (ZSM-11 zeolite 48 h) was recycled and reused in five runs without any considerable loss of activity and product yield.
Collapse
Affiliation(s)
- Sudarshan S Dipake
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 India
| | - Vijayanand D Ingale
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 India
| | - Sonali A Korde
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 India
| | - Machhindra K Lande
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 India
| | - Anjali S Rajbhoj
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 India
| | - Suresh T Gaikwad
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 India
| |
Collapse
|
4
|
Azizi N, Heidarzadeh F, Farzaneh F. Facile fabrication of porous magnetic covalent organic frameworks as robust platform for multicomponent reaction. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Najmedin Azizi
- Department of Green Chemistry Chemistry and Chemical Engineering Research Center of Iran Tehran Iran
| | - Fatemeh Heidarzadeh
- Department of Green Chemistry Chemistry and Chemical Engineering Research Center of Iran Tehran Iran
| | - Fezeh Farzaneh
- Department of Green Chemistry Chemistry and Chemical Engineering Research Center of Iran Tehran Iran
| |
Collapse
|
5
|
Jayamoorthy K, Saravanan P, Rao VS, Rajagopalan NR, Rengarajan S, Nisha P. Carbon nanotubes functionalized with newly synthesized benzimidazole derivative for corrosion inhibition on the nickel alloy surface in a sulfuric acidic medium. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2021.1984534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- K. Jayamoorthy
- Department of Chemistry, St. Joseph’s College of Engineering, Chennai, Tamil Nadu, India
| | - P. Saravanan
- Department of Chemistry, St. Joseph’s College of Engineering, Chennai, Tamil Nadu, India
| | - Vaddi Seshagiri Rao
- Department of Mechanical Engineering, St. Joseph’s College of Engineering, Chennai, Tamil Nadu, India
| | - N. R. Rajagopalan
- Department of Chemistry, St. Joseph’s College of Engineering, Chennai, Tamil Nadu, India
| | - Sathish Rengarajan
- Department of Mechanical Engineering, St. Joseph’s College of Engineering, Chennai, Tamil Nadu, India
| | - P. Nisha
- Department of Electrical and Electronics Engineering, Easwari Engineering College, Chennai, Tamil Nadu, India
| |
Collapse
|
6
|
Synthesis and characterization of a new polymeric catalyst and used for the synthesis of imidazole derivatives. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04577-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
7
|
Tamilselvi V, Lalitha A. Click Synthesis of Novel 3‐(2‐(2,4,5‐Triphenyl‐1
H
‐imidazol‐1‐yl)ethyl)‐1
H
‐indoles Catalyzed by Glacial Acetic Acid and their Antibacterial Evaluation. ChemistrySelect 2021. [DOI: 10.1002/slct.202100152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
8
|
Hasanzadeh F, Behbahani FK. Synthesis of 8-Aryl-7H-acenaphtho[1,2-d]imidazoles Using Fe3O4 NPs@GO@C4H8SO3H as a Green and Recyclable Magnetic Nanocatalyst. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1070428020060160] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
|
9
|
Shekarchi M, Behbahani FK. [Bmim]HSO4-Catalyzed Synthesis of Tetrasubstituted Imidazoles as Potential Mutant Isocitrate Dehydrogenase 1 Inhibitors. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1070428020050243] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
|
10
|
Weber AL, Rios AC. Imidazolium-Catalyzed Synthesis of an Imidazolium Catalyst. ORIGINS LIFE EVOL B 2019; 49:199-211. [PMID: 31814059 DOI: 10.1007/s11084-019-09589-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 11/14/2019] [Indexed: 10/25/2022]
Abstract
The chemistry of imidazolium-catalyzed imidazolium synthesis was studied as part of an effort to develop a plausible prebiotic synthesis of a small catalytic molecule capable of catalyzing its own synthesis. Specifically, we investigated the one-pot 1-ethyl-3-methylimidazolium acetate (EMIM-Ac) catalyzed synthesis of 1,3-dibutyl-4,5-difuryl-imidazolium acetate (DBDFIM-Ac) from furfural, n-butylamine, formaldehyde, and acetic acid at 80 °C. Liu et al. (2012) had previously demonstrated the first reaction of the synthetic process, the EMIM-Ac catalyzed benzoin condensation of furfural that yields furoin. Our early studies established the second reaction of the synthetic process, the multicomponent reaction of furoin, n-butylamine, formaldehyde, and acetic acid that yields the imidazolium salt, DBDFIM-Ac. Studies of the complete two-reaction process that uses furfural for the synthesis of DBDFIM-Ac showed that the highest yield of DBDFIM-Ac was obtained when the mole ratio of n-butylamine, formaldehyde, and acetic acid relative to furfural was respectively (0.5:0.25:0.25:1.0-furfural), or one-half of the stoichiometric ratio (1.0:0.5:0.5:1.0-furfural). A time course study of the process showed transient formation of furoin, the obligatory reaction intermediate. DBDFIM-Ac and the imidazolium side product, 1,3-dibutyl-4,5-trifuryl-imidazolium acetate (DBTFIM-Ac), were stable under the reaction conditions. Imidazolium products (DBDFIM and DBTFIM) and the furoin intermediate were not formed in control reactions (80 °C, 24 h) in which EMIM catalyst was either absent or replaced with an equal volume of acetonitrile or DMF. The imidazolium product, DBDFIM-Ac, was shown to catalyze the synthesis of structurally similar 1,3-dipentyl-4,5-difuryl-imidazolium acetate (DPDFIM-Ac) from furfural, n-pentylamine, formaldehyde, and acetic acid at 80 °C.
Collapse
Affiliation(s)
- Arthur L Weber
- SETI Institute, Ames Research Center, Mail Stop 239-4, Moffett Field, CA, 94035, USA.
- Center for the Emergence of Life, NASA Ames Research Center, Moffett Field, CA, 94035, USA.
| | - Andro C Rios
- Center for the Emergence of Life, NASA Ames Research Center, Moffett Field, CA, 94035, USA
- Blue Marble Space Institute, Ames Research Center, Mail Stop 239-4, Moffett Field, CA, 94035, USA
| |
Collapse
|
11
|
Ultrasound-assisted synthesis of heterocyclic compounds. Mol Divers 2019; 24:771-820. [PMID: 31165431 DOI: 10.1007/s11030-019-09964-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 05/25/2019] [Indexed: 02/04/2023]
|
12
|
Shaker M. A Facile Procedure for Synthesis of Several 1, 4, 5-Trisubstituted-1Himidazole- 2(3H)-ones and -thiones via a One-pot Three-portion Reaction in Solvent and Microwave Irradiation. LETT ORG CHEM 2019. [DOI: 10.2174/1570178615666180522101532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
An ordinary procedure for the synthesis of several 1, 4, 5-trisubstituted-1H-imidazole- 2(3H)-ones and -thiones by a one-pot three-component reaction of glacial acetic acid under solvent, microwave irradiation condition is proposed. The products were formed through cyclization of benzoin with isothiocyanates or isocyanates and ammonium acetate. All incorporated combinations were determined for their spectral and microanalytical information. These compounds were subsequently studied for their fluorescence properties.
Collapse
Affiliation(s)
- Mohammad Shaker
- Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| |
Collapse
|
13
|
Sundar S, Rengan R. Direct synthesis of 2,4,5-trisubstituted imidazoles from primary alcohols by diruthenium(ii) catalysts under aerobic conditions. Org Biomol Chem 2019; 17:1402-1409. [DOI: 10.1039/c8ob02785d] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A straightforward synthetic approach to 2,4,5-trisubstituted imidazoles from readily available primary alcohols using arene diruthenium(ii) catalysts has been described.
Collapse
Affiliation(s)
- Saranya Sundar
- Centre for Organometallic Chemistry
- School of Chemistry
- Bharathidasan University
- Tiruchirappalli 620 024
- India
| | - Ramesh Rengan
- Centre for Organometallic Chemistry
- School of Chemistry
- Bharathidasan University
- Tiruchirappalli 620 024
- India
| |
Collapse
|
14
|
Rani N, Kumar P, Singh R. Molecular Modeling Studies of Halogenated Imidazoles against 14α- Demethylase from Candida Albicans for Treating Fungal Infections. Infect Disord Drug Targets 2018; 20:208-222. [PMID: 30499421 DOI: 10.2174/1871526519666181130101054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 11/22/2018] [Accepted: 11/25/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Imidazole is one of the most explored and marketed azole utilized for the treatment of fungal infections. Lanosterol 14α-demethylase (Cytochrome P450DM) is the active target site for azole antifungals. AIM AND OBJECTIVE This study emphasized on evaluation of a series of halogenated imidazole analogues using molecular docking studies for anti-Candidal activity. Furthermore, the model was refined by molecular dynamic simulation. METHODS Halogenated imidazole analogues (PS1-PS30) were obtained from literature for the study. The imidazole analogues were prepared using Chem sketch and molecular docking was performed using Molergo Virtual Docker program and ADMET study was carried out by using Accelry's Accord for Excel programme. RESULTS The docking study indicated that all the imidazole analogues (PS1-PS30) and standard drugs i.e., Ketoconazole, Miconazole and Clotrimazole possessed interaction with protein residue, heme cofactor and water molecule positioned above Heme cofactor of 14α-demethylase. Further, the ADMET study indicated that most of the halogenated imidazoles possessed good absorption, human intestinal absorption, aqueous solubility and blood brain penetration. CONCLUSION Halogenated imidazole analogues may be used as potential lead molecules as 14α- demethylase inhibitors.
Collapse
Affiliation(s)
- Nidhi Rani
- Maharishi Markandeshwar School of Pharmacy, Maharishi Markandeshwar Deemed to be University, Sadopur, Ambala, Haryana, India
| | - Praveen Kumar
- Sun Pharmaceutical Industries Ltd., Hill Top Industrial Area, Vill. Bhatolikalan, Distt. Solan, Himachal Pardesh, India
| | - Randhir Singh
- Department of Pharmacology, Maharishi Markandeshwar College of Pharmacy, Maharishi Markandeshwar Deemed to be University, Mullana-133203, Haryana, India
| |
Collapse
|
15
|
Kanaani E, Nasr-Esfahani M. Citrate trisulfonic acid: A heterogeneous organocatalyst for the synthesis of highly substituted Imidazoles. J CHIN CHEM SOC-TAIP 2018. [DOI: 10.1002/jccs.201800015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Elham Kanaani
- Department of Chemistry; Yasouj University; Yasouj Iran
| | | |
Collapse
|
16
|
Catalyst-free synthesis of 1,2,4,5-tetrasubstituted imidazoles from arylamins, benzonitriles, arylglyoxals, and Meldrum’s acid. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.03.093] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
|
17
|
Safari J, Naseh S, Zarnegar Z, Akbari Z. Applications of microwave technology to rapid synthesis of substituted imidazoles on silica-supported SbCl3as an efficient heterogeneous catalyst. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2018. [DOI: 10.1016/j.jtusci.2014.01.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Javad Safari
- Laboratory of Organic Compound Research, Department of Organic Chemistry, College of Chemistry, University of Kashan, PO Box: 87317-51167 Kashan, Islamic Republic of Iran
| | - Simin Naseh
- Laboratory of Organic Compound Research, Department of Organic Chemistry, College of Chemistry, University of Kashan, PO Box: 87317-51167 Kashan, Islamic Republic of Iran
| | - Zohre Zarnegar
- Laboratory of Organic Compound Research, Department of Organic Chemistry, College of Chemistry, University of Kashan, PO Box: 87317-51167 Kashan, Islamic Republic of Iran
| | - Zahra Akbari
- Laboratory of Organic Compound Research, Department of Organic Chemistry, College of Chemistry, University of Kashan, PO Box: 87317-51167 Kashan, Islamic Republic of Iran
| |
Collapse
|
18
|
The synthesis of imidazoles and evaluation of their antioxidant and antifungal activities. MONATSHEFTE FUR CHEMIE 2018. [DOI: 10.1007/s00706-018-2167-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
19
|
Ahmed Arafa WA. An eco-compatible pathway to the synthesis of mono and bis-multisubstituted imidazoles over novel reusable ionic liquids: an efficient and green sonochemical process. RSC Adv 2018; 8:16392-16399. [PMID: 35559116 PMCID: PMC9092604 DOI: 10.1039/c8ra02755b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 04/24/2018] [Indexed: 11/21/2022] Open
Abstract
Novel and environmentally benign ionic liquids are synthesized and used as robust catalysts for a sonochemical one pot multi-component synthetic route to functionalized annulated imidazoles in water with excellent yields.
Collapse
|
20
|
Selvakumar K, Shanmugaprabha T, Kumaresan M, Sami P. One-pot multi-component synthesis of N,N′-alkylidene bisamides and imidazoles using heteropoly-11-tungsto-1-vanadophosphoric acid supported on natural clay as catalyst: A green approach. SYNTHETIC COMMUN 2017. [DOI: 10.1080/00397911.2017.1366524] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Karuppaiah Selvakumar
- Department of Chemistry, V.H.N. Senthikumara Nadar College (Autonomous), Virudhunagar, India
| | | | - Murugan Kumaresan
- Department of Chemistry, V.H.N. Senthikumara Nadar College (Autonomous), Virudhunagar, India
| | - Ponnusamy Sami
- Department of Chemistry, V.H.N. Senthikumara Nadar College (Autonomous), Virudhunagar, India
| |
Collapse
|
21
|
Jagadishbabu N, Shivashankar K. One-Pot Synthesis of 2,4,5-Triphenyl Imidazoles from 1,2-Diols as Key Reagents. J CHIN CHEM SOC-TAIP 2017. [DOI: 10.1002/jccs.201600746] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Narasashetty Jagadishbabu
- P. G. Department of Chemistry, Central College Campus; Bangalore University; Bangalore 560 001 India
| | - Kalegowda Shivashankar
- P. G. Department of Chemistry, Central College Campus; Bangalore University; Bangalore 560 001 India
| |
Collapse
|
22
|
Synthesis, characterization and catalytic application of silica supported tin oxide nanoparticles for synthesis of 2,4,5-tri and 1,2,4,5-tetrasubstituted imidazoles under solvent-free conditions. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2012.11.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
|
23
|
Gabla JJ, Mistry SR, Maheria KC. An efficient green protocol for the synthesis of tetra-substituted imidazoles catalyzed by zeolite BEA: effect of surface acidity and polarity of zeolite. Catal Sci Technol 2017. [DOI: 10.1039/c7cy01398a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Zeolite BEA catalyzed synthesis of highly substituted imidazoles via a green approach.
Collapse
Affiliation(s)
- Jenifer J. Gabla
- Applied Chemistry Department
- S. V. National Institute of Technology
- Surat – 395007
- India
| | | | - Kalpana C. Maheria
- Applied Chemistry Department
- S. V. National Institute of Technology
- Surat – 395007
- India
| |
Collapse
|
24
|
Glycerol as a green solvent for efficient, one-pot and catalyst free synthesis of 2,4,5-triaryl and 1,2,4,5-tetraaryl imidazole derivatives. JOURNAL OF SAUDI CHEMICAL SOCIETY 2016. [DOI: 10.1016/j.jscs.2013.02.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
25
|
Zhang F, Gao Q, Chen B, Bai Y, Sun W, Lv D, Ge M. A practical and green approach towards synthesis of multisubstituted imidazoles using boric acid as efficient catalyst. PHOSPHORUS SULFUR 2016. [DOI: 10.1080/10426507.2015.1100184] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Feifei Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P.R. China
| | - Qi Gao
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P.R. China
| | - Bang Chen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P.R. China
| | - Yinjuan Bai
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P.R. China
| | - Wei Sun
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P.R. China
| | - Dongxu Lv
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P.R. China
| | - Man Ge
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, P.R. China
| |
Collapse
|
26
|
Shaker M, Davoodnia A, Vahedi H, Lari J, Roshani M, Mallaeke H. Synthesis of Some New 1,3,4,5-tetrasubstituted-1H-imidazole-2(3H)-thiones Via a Facile One-Pot Three-Component Reaction in the Presence of Solvent and Heteropolyacids. J Heterocycl Chem 2016. [DOI: 10.1002/jhet.2585] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mohammad Shaker
- Department of Chemistry, Faculty of Science; Payame Noor University; PO Box 19395-3697 Tehran Iran
| | - Abolghasem Davoodnia
- Department of Chemistry, Mashhad Branch; Islamic Azad University; PO Box 91735-413 Mashhad Iran
| | - Hooshang Vahedi
- Department of Chemistry, Faculty of Science; Payame Noor University; PO Box 19395-3697 Tehran Iran
| | - Jalil Lari
- Department of Chemistry, Faculty of Science; Payame Noor University; PO Box 19395-3697 Tehran Iran
| | - Mina Roshani
- Department of Chemistry, Mashhad Branch; Islamic Azad University; PO Box 91735-413 Mashhad Iran
| | - Hassan Mallaeke
- Department of Chemistry, Mashhad Branch; Islamic Azad University; PO Box 91735-413 Mashhad Iran
| |
Collapse
|
27
|
Cao J, Zhou X, Ma H, Shi C, Huang G. A facile and efficient method for the synthesis of 1,2,4-trisubstituted imidazoles with enamides and benzylamines. RSC Adv 2016. [DOI: 10.1039/c6ra08174f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
A novel and practical method for the construction of 1,2,4-trisubstituted imidazoles with enamides and benzylamines catalysed by CuBr and I2 has been developed.
Collapse
Affiliation(s)
- Jinhui Cao
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
| | - Xiaoqiang Zhou
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
| | - Haojie Ma
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
| | - Chong Shi
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
| | - Guosheng Huang
- State Key Laboratory of Applied Organic Chemistry
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Department of Chemistry
- Lanzhou University
- Lanzhou
| |
Collapse
|
28
|
Thimmaraju N, Shamshuddin SZM. Synthesis of 2,4,5-trisubstituted imidazoles, quinoxalines and 1,5-benzodiazepines over an eco-friendly and highly efficient ZrO2–Al2O3 catalyst. RSC Adv 2016. [DOI: 10.1039/c6ra13956f] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Where, R is alkyl, aryl, alkoxy, N,N-diethyl or halo group.
Collapse
Affiliation(s)
- N. Thimmaraju
- Chemistry Research Laboratory
- HMS Institute of Technology
- Tumkur-572104
- India
- Research and Development Center
| | - S. Z. Mohamed Shamshuddin
- Chemistry Research Laboratory
- HMS Institute of Technology
- Tumkur-572104
- India
- Research and Development Center
| |
Collapse
|
29
|
Wu P, Qu J, Li Y, Guo X, Tang D, Meng X, Yan R, Chen B. Iron(III)/Iodine-Catalyzed C(sp2)H Activation of α,β-Unsaturated Aldehydes/Ketones with Amidines: Synthesis of 1,2,4,5-Tetrasubstituted Imidazoles. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500701] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
|
30
|
Mohamed SK, Simpson J, Marzouk AA, Talybov AH, Abdelhamid AA, Abdullayev YA, Abbasov VM. Multicomponent green synthesis, spectroscopic and structural investigation of multi-substituted imidazoles. Part 1. ACTA ACUST UNITED AC 2015. [DOI: 10.1515/znb-2015-0067] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Abstract
Ten 1,2,4,5-tetra-substituted imidazole derivatives have been synthesized with a 2-hydroxyethy substituent at the 1-nitrogen atom and potentially electron releasing hydroxy-, methoxy-, dimethylamino- or nitro substituents in various positions on the benzene ring located on the 2-carbon atom. The prototypical derivative with an unsubstituted phenyl ring at the 2-position is also reported. The compounds are obtained in excellent yields (average 86%) via a four-component cyclocondensation reaction of benzil, ethanolamine, and the appropriate aromatic carbaldehyde together with ammonium acetate. The reaction uses a novel ionic liquid catalyst, DEAHS (diethyl ammonium hydrogen sulfate), under solvent-free conditions and a green synthetic protocol. The key advantages of this process are high yield, shorter reaction times and ease of work-up. Furthermore, the products can be purified by a non-chromatographic method and the catalyst is re-usable. All of these newly synthesized compounds have been characterized from spectral data; the X-ray structures of three representative molecules are also detailed.
Collapse
Affiliation(s)
| | - Jim Simpson
- Department of Chemistry, University of Otago, P. O. Box 56, Dunedin, New Zealand
| | - Adel A. Marzouk
- Faculty of Pharmacy, Pharmaceutical Chemistry Department, Al Azhar University, Egypt
| | - Avtandil H. Talybov
- Mamedaliev Institute of Petrochemical Processes, National Academy of Sciences of Azerbaijan, Baku, Azerbaijan
| | - Antar A. Abdelhamid
- Faculty of Science, Department of Chemistry, Sohag University, 82524 Sohag, Egypt
| | | | - Vagif M. Abbasov
- Mamedaliev Institute of Petrochemical Processes, National Academy of Sciences of Azerbaijan, Baku, Azerbaijan
| |
Collapse
|
31
|
Tang D, Guo X, Wang Y, Wang J, Li J, Huang Q, Chen B. Metal free, I2-catalyzed [3+1+1] cycloaddition reactions to synthesize 1,2,4-trisubstituted imidazoles. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.09.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
|
32
|
Aqua-mediated one-pot synthesis of Biginelli dihydropyrimidinone/thiones (DHPMs), Hantzsch dihydropyridines (DHPs), and polysubstituted pyridines sonocatalyzed by metal-supported nanocatalysts. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2015. [DOI: 10.1007/s13738-015-0734-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
33
|
Sonochemical syntheses of xanthene derivatives using zeolite-supported transition metal catalysts in aqueous media. RESEARCH ON CHEMICAL INTERMEDIATES 2015. [DOI: 10.1007/s11164-015-2192-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
34
|
Safa KD, Allahvirdinesbat M, Namazi H, Panahi PN. Synthesis of organosilyl compounds-containing 1,2,4,5-tetraaryl imidazoles sonocatalyzed by M/SAPO-34 (M = Fe, Co, Mn, and Cu) nanostructures. CR CHIM 2015. [DOI: 10.1016/j.crci.2015.04.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
35
|
Zhu Y, Li C, Zhang J, She M, Sun W, Wan K, Wang Y, Yin B, Liu P, Li J. A Facile FeCl3/I2-Catalyzed Aerobic Oxidative Coupling Reaction: Synthesis of Tetrasubstituted Imidazoles from Amidines and Chalcones. Org Lett 2015. [DOI: 10.1021/acs.orglett.5b01854] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Yuelu Zhu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education and College of Chemistry & Materials Science, Northwest University, Xi’an Shaanxi 710127, P. R. China
| | - Cheng Li
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education and College of Chemistry & Materials Science, Northwest University, Xi’an Shaanxi 710127, P. R. China
| | - Jidong Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education and College of Chemistry & Materials Science, Northwest University, Xi’an Shaanxi 710127, P. R. China
| | - Mengyao She
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education and College of Chemistry & Materials Science, Northwest University, Xi’an Shaanxi 710127, P. R. China
| | - Wei Sun
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education and College of Chemistry & Materials Science, Northwest University, Xi’an Shaanxi 710127, P. R. China
| | - Kerou Wan
- Xi’an Catalyst Chemical Co., Ltd., Xi’an
Shaanxi 710016, P. R. China
| | - Yaqi Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education and College of Chemistry & Materials Science, Northwest University, Xi’an Shaanxi 710127, P. R. China
| | - Bin Yin
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education and College of Chemistry & Materials Science, Northwest University, Xi’an Shaanxi 710127, P. R. China
| | - Ping Liu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education and College of Chemistry & Materials Science, Northwest University, Xi’an Shaanxi 710127, P. R. China
| | - Jianli Li
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education and College of Chemistry & Materials Science, Northwest University, Xi’an Shaanxi 710127, P. R. China
| |
Collapse
|
36
|
Heravi MM, Daraie M, Zadsirjan V. Current advances in the synthesis and biological potencies of tri- and tetra-substituted 1H-imidazoles. Mol Divers 2015; 19:577-623. [PMID: 25863807 DOI: 10.1007/s11030-015-9590-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Accepted: 03/25/2015] [Indexed: 02/05/2023]
Abstract
In this report, we review the current chemistry progress and in particular the synthesis approaches of tri- and tetra-substituted imidazoles.
Collapse
Affiliation(s)
- Majid M Heravi
- Department of Chemistry, School of Science, Alzahra University, Vanak, Tehran, Iran,
| | | | | |
Collapse
|
37
|
Zolfigol MA, Baghery S, Moosavi-Zare AR, Vahdat SM. Synthesis of 1,2,4,5-tetrasubstituted imidazoles using 2,6-dimethylpyridinium trinitromethanide {[2,6-DMPyH]C(NO2)3} as a novel nanostructured molten salt and green catalyst. RSC Adv 2015. [DOI: 10.1039/c5ra03241e] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
2,6-Dimethylpyridinium trinitromethanide {[2,6-DMPyH]C(NO2)3} as a novel nanostructured molten salt catalyst (MS) was synthesized, characterized and used for the synthesis of 1,2,4,5-tetrasubstituted imidazoles under solvent-free conditions.
Collapse
Affiliation(s)
| | - Saeed Baghery
- Faculty of Chemistry
- Bu-Ali Sina University
- Hamedan 6517838683
- Iran
| | | | | |
Collapse
|
38
|
Jayabharathi J, Ramanathan P, Thanikachalam V, Karunakaran C. Optical and theoretical studies on Fe3O4–imidazole nanocomposite and clusters. NEW J CHEM 2015. [DOI: 10.1039/c4nj02068e] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The larger surface curvature of nanocrystals reduces steric hindrance between surface binding molecules and provides a larger number of unsaturated dangling bonds on the nanocrystal surface.
Collapse
|
39
|
Jayabharathi J, Ramanathan P, Thanikachalam V. Synthesis and optical properties of phenanthromidazole derivatives for organic electroluminescent devices. NEW J CHEM 2015. [DOI: 10.1039/c4nj01515k] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The external quantum efficiency roll-off may be due to triplet–triplet annihilation (TTA) and triplet–polaron annihilation (TPA).
Collapse
|
40
|
Girish YR, Sharath Kumar KS, Thimmaiah KN, Rangappa KS, Shashikanth S. ZrO2-β-cyclodextrin catalyzed synthesis of 2,4,5-trisubstituted imidazoles and 1,2-disubstituted benzimidazoles under solvent free conditions and evaluation of their antibacterial study. RSC Adv 2015. [DOI: 10.1039/c5ra13891d] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A series of 2,4,5-trisubstituted imidazoles and 1,2-disubstituted benzimidazoles catalyzed by ZrO2-supported-β-cyclodextrin (ZrO2-β-CD) under solvent free conditions have been synthesized and characterized by spectral methods.
Collapse
Affiliation(s)
- Yarabhally R. Girish
- Department of Studies in Chemistry
- Manasagangotri
- University of Mysore
- Mysore-570006
- India
| | | | | | | | - Sheena Shashikanth
- Department of Studies in Chemistry
- Manasagangotri
- University of Mysore
- Mysore-570006
- India
| |
Collapse
|
41
|
Jayabharathi J, Arunpandiyan A, Thanikachalam V, Ramanathan P. Photoinduced Electron Transfer from Phenanthrimidazole to Magnetic Nanoparticles. J Fluoresc 2015; 25:137-45. [DOI: 10.1007/s10895-014-1490-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 12/02/2014] [Indexed: 10/24/2022]
|
42
|
Maleki B, Eshghi H, Khojastehnezhad A, Tayebee R, Ashrafi SS, Kahoo GE, Moeinpour F. Silica coated magnetic NiFe2O4 nanoparticle supported phosphomolybdic acid; synthesis, preparation and its application as a heterogeneous and recyclable catalyst for the one-pot synthesis of tri- and tetra-substituted imidazoles under solvent free conditions. RSC Adv 2015. [DOI: 10.1039/c5ra10534j] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel heteropolyacid supported on silica coated nickel ferrite nanoparticles (NFS–PMA) was synthesized and used as a green catalyst for one-pot syntheses of tri/tetra-substituted imidazoles. The catalyst could be recycled and reused through application of a magnetic field.
Collapse
Affiliation(s)
- Behrooz Maleki
- Department of Chemistry
- Hakim Sabzevari University
- Sabzevar
- Iran
| | - Hossein Eshghi
- Department of Chemistry
- Faculty of Sciences
- Ferdowsi University of Mashhad
- Mashhad
- Iran
| | - Amir Khojastehnezhad
- Department of Chemistry
- Faculty of Sciences
- Ferdowsi University of Mashhad
- Mashhad
- Iran
| | - Reza Tayebee
- Department of Chemistry
- Hakim Sabzevari University
- Sabzevar
- Iran
| | | | | | - Farid Moeinpour
- Department of Chemistry
- Bandar Abbas Branch
- Islamic Azad University
- Bandar Abbas 7915893144
- Iran
| |
Collapse
|
43
|
Rafiee E, Joshaghani M, Ghaderi-Shekhi Abadi P. Shape-dependent catalytic activity of Fe3O4 nanostructures under the influence of an external magnetic field for multicomponent reactions in aqueous media. RSC Adv 2015. [DOI: 10.1039/c5ra14467a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Fe3O4 nanostructures were synthesized under external magnetic field, shown shape-dependent catalytic activity for the synthesis of imidazole derivatives in water.
Collapse
Affiliation(s)
- E. Rafiee
- Department of Inorganic Chemistry
- Faculty of Chemistry
- Razi University
- Kermanshah
- Iran
| | - M. Joshaghani
- Department of Inorganic Chemistry
- Faculty of Chemistry
- Razi University
- Kermanshah
- Iran
| | | |
Collapse
|
44
|
Nasr-Esfahani M, Montazerozohori M, Abdizadeh T. Multi-component synthesis of highly substituted imidazoles catalyzed by nanorod vanadatesulfuric acid. CHEMICAL PAPERS 2015. [DOI: 10.1515/chempap-2015-0156] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractNanorod vanadatesulfuric acid (VSA NRs), as a recyclable and eco-benign catalyst, was used for one-pot synthesis of 2,4,5-trisubstituted imidazoles and 1,2,4,5-tetrasubstituted imidazoles using aldehydes, benzil, benzoin or 9,10-phenanthrenequinone and ammonium acetate or aniline under solvent-free conditions providing high to excellent yields. VSA is easily prepared by a simple reaction of chlorosulfonic acid and sodium metavanadate in high purity. As compared with the conventional procedures, the present protocol offers several advantages such as simplicity of procedure, short reaction time, high yields, easy workup, recoverability and reusability of the catalyst and simple purification of the products.
Collapse
|
45
|
Magar RL, Thorat PB, Waware JL, More RR, Solanke UA, Patil BR, Pawar RP. Synthesis of Some Novel 3-Substituted Indole Derivatives Using Polyamine Functionalized Heterogeneous Catalyst. J Heterocycl Chem 2014. [DOI: 10.1002/jhet.2265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
46
|
Safa KD, Sarchami L, Allahvirdinesbat M, Feyzi A, Panahi PN. Synthesis of 2-aryl-1,1-Bis(Silyl)Alkenes-Containing Tetrasubstituted Imidazoles Catalysed by M–Cu/ZSM-5 (M: Cr, Mn, Co, Ni, V, Zn and Fe) Zeolites-Supported Bimetallic Nanostructures. JOURNAL OF CHEMICAL RESEARCH 2014. [DOI: 10.3184/174751914x14109443490507] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The one-pot synthesis of tetrasubstituted imidazoles by using a series of M-Cu/ZSM-5 (M: Cr, Mn, Co, Ni, V, Zn and Fe) zeolites-supported bimetallic catalysts was studied. Fe-Cu/ZSM-5 bimetallic oxide catalyst had the highest activity in improving the efficiency of the heterogeneous cyclo-condensation reaction. Some imidazole derivatives terminated by vinylbis(silanes) have been synthesised using (Me3Si)3CLi through the Peterson olefination reaction.
Collapse
Affiliation(s)
- Kazem D. Safa
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, 5166616471, Tabriz, Iran
| | - Leila Sarchami
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, 5166616471, Tabriz, Iran
| | - Maryam Allahvirdinesbat
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, 5166616471, Tabriz, Iran
| | - Aynaz Feyzi
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, 5166616471, Tabriz, Iran
| | | |
Collapse
|
47
|
A facile one-pot synthesis of tetrasubstituted imidazoles catalyzed by eutectic mixture stabilized ferrofluid. J Mol Liq 2014. [DOI: 10.1016/j.molliq.2014.03.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
48
|
Sivaguru P, Parameswaran K, Kiruthiga M, Vadivel P, Lalitha A. Synthesis of 2-aryl-2,3-dihydroquinazolin-4(1H)-ones using boric acid-functionalized MCM-41 as a novel heterogeneous catalyst under solvent-free condition. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2014. [DOI: 10.1007/s13738-014-0459-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
49
|
Pandya AN, Agrawal DK. A concise synthesis of highly substituted imidazoles via copper-mediated oxidative C-H functionalization. Tetrahedron Lett 2014; 55:1835-1838. [PMID: 24882889 DOI: 10.1016/j.tetlet.2014.01.136] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
We herein report a simple and concise route for the synthesis of highly substituted imidazole derivatives via copper-mediated oxidative C-H functionalization in good to high yields. The advantage of the reaction lies in its mild reaction conditions and readily available starting materials.
Collapse
Affiliation(s)
- Amit N Pandya
- Department of Biomedical Sciences, Creighton University School of Medicine, Omaha, NE 68178, USA
| | - Devendra K Agrawal
- Department of Biomedical Sciences, Creighton University School of Medicine, Omaha, NE 68178, USA ; Center for Clinical and Translational Science, Creighton University School of Medicine, Omaha, NE 68178, USA
| |
Collapse
|
50
|
Heravi MRP, Vessally E, Behbehani GRR. An efficient green MCR protocol for the synthesis of 2,4,5-trisubstituted imidazoles by Selectfluor™ under ultrasound irradiation. CR CHIM 2014. [DOI: 10.1016/j.crci.2012.12.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|