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Khodakarami H, Habibi D, Beiranvand M. Room-temperature synthesis of Fe 3O 4@MOF-5 magnetic hybrid as an efficient catalyst for the one-pot green synthesis of tetrahydropyridines. Sci Rep 2024; 14:31510. [PMID: 39732913 DOI: 10.1038/s41598-024-83092-1] [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: 05/31/2024] [Accepted: 12/11/2024] [Indexed: 12/30/2024] Open
Abstract
In recent two decades, considerable efforts have been devoted to the room-temperature green syntheses of metal-organic frameworks (MOFs) to reduce energy consumption and increase safety. It could improve some properties (e.g., catalysis, gas adsorption) and facilitate the utilities of sensitive compounds. Herein, the magnetic hybrid catalyst (Fe3O4@MOF-5) was synthesized through a mixing procedure at room temperature and confirmed by various techniques. The SEM images exhibit cubic crystals that were uniformly coated by the Fe3O4 cores. Then, the catalytic ability of Fe3O4@MOF-5 was studied in the green synthesis of tetrahydropyridines via a domino multi-component reaction, which led to the desired products with high yield. Magnetic solid properties make it easily separated from the reaction medium, so the proposed catalyst can be reused five times while maintaining the catalytic activity over 80%.
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Affiliation(s)
- Hosein Khodakarami
- Department of Organic Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, Iran
| | - Davood Habibi
- Department of Organic Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, Iran.
| | - Masoumeh Beiranvand
- Department of Organic Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, Iran
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2
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Diastereo- and Enantioselective Synthesis of Highly Functionalized Tetrahydropyridines by Recyclable Novel Bifunctional C2-Symmetric Ionic Liquid–Supported (S)-Proline Organocatalyst. Catalysts 2023. [DOI: 10.3390/catal13010209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
An efficient, novel bifunctional C2-symmetric ionic liquid–supported (S)-proline organocatalyst 7 was developed for a one-pot, five-component reaction involving β-keto esters 8, aryl aldehydes 9, and aryl amines 10, affording highly functionalized tetrahydropyridines 11a–o by simultaneous generation of fives bonds and two stereogenic centers with extraordinary diastereo- and enantioselectivities (up to >99:1 dr, 95:5 er) in isopropanol with high yields (up to 92%). This protocol provides quick access to diverse enantio-enriched, highly functionalized diastereo- and enantioselective tetrahydropyridines in a green medium without any column chromatographic purification. The catalyst was recycled five times without significant loss of its catalytic activity.
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3
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Karimi F, Tighsazzadeh B, Asadi B, Mohammadpoor-Baltork I, Layeghi M, Mirkhani V, Tangestaninejad S, Moghadam M. 3-(Propylthio)propane-1-sulfonic acid immobilized on functionalized magnetic nanoparticles as an efficient catalyst for one-pot synthesis of dihydrotetrazolo[1,5- a]pyrimidine and tetrahydrotetrazolo[5,1- b]quinazolinone derivatives. RSC Adv 2022; 12:22180-22187. [PMID: 36043092 PMCID: PMC9364204 DOI: 10.1039/d2ra03813g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 07/29/2022] [Indexed: 01/21/2023] Open
Abstract
An efficient and reusable catalyst, which is 3-(propylthio)propane-1-sulfonic acid immobillized on functionalized magnetic nanoparticles [PTPSA@SiO2-Fe3O4], has been synthesized. For the first time, it is highlighted under solvent-free conditions for the catalytic activity in multicomponent synthesis of dihydrotetrazolo[1,5-a]pyrimidines, dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylates and tetrahydrotetrazolo[5,1-b]quinazolinones. The structure of the catalyst was well confirmed by characterization techniques, such as FT-IR, TGA, SEM-EDX, elemental mapping, TEM, VSM and elemental analysis. Besides, this unique catalyst was found to be effectual up to six cycles, which made it spotlighted. Recyclability of catalyst, excellent yield of the products, short reaction time and clean reaction profile are the advantages of the present protocol.
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Affiliation(s)
- Fatemeh Karimi
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3668 9732 +98 31 3793 4927
| | - Behnaz Tighsazzadeh
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3668 9732 +98 31 3793 4927
| | - Beheshteh Asadi
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3668 9732 +98 31 3793 4927
| | - Iraj Mohammadpoor-Baltork
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3668 9732 +98 31 3793 4927
| | - Mahsa Layeghi
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3668 9732 +98 31 3793 4927
| | - Valiollah Mirkhani
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3668 9732 +98 31 3793 4927
| | - Shahram Tangestaninejad
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3668 9732 +98 31 3793 4927
| | - Majid Moghadam
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3668 9732 +98 31 3793 4927
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4
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Fernandes T, Daniel-da-Silva AL, Trindade T. Metal-dendrimer hybrid nanomaterials for sensing applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214483] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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5
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Hartwig D, Soares LK, Dapper LH, Nascimento JER, Lenardão EJ. Dicarbonyl compounds in the synthesis of heterocycles under green conditions. PHYSICAL SCIENCES REVIEWS 2022. [DOI: 10.1515/psr-2021-0095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Carbon–carbon and carbon-heteroatom bond forming reactions are strategically employed for the generation of a variety of heterocyclic systems. This class of compounds represents the most general structural unit, present in many natural compounds. They are recognized for their valuable biologically properties and wide range of applications in medicinal, pharmaceutical, and other related fields of chemistry. This is an updated review on the use of dicarbonyl compounds under environmentally friendly conditions to access a series of heterocyclic structures, e.g., quinoxaline, quinazolinones, benzochalcogenazoles, indoles, among others. Synthetic protocols involving copper-catalyzed, multicomponent and cascade reactions, decarboxylative cyclization, recycling of CO2, and electrochemical approaches are presented and discussed.
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Affiliation(s)
- Daniela Hartwig
- Laboratório de Síntese Orgânica Limpa – LASOL, CCQFA, Universidade Federal de Pelotas - UFPel , P.O. Box 354, 96010-900 Pelotas , RS , Brazil
| | - Liane K. Soares
- Laboratório de Síntese Orgânica Limpa – LASOL, CCQFA, Universidade Federal de Pelotas - UFPel , P.O. Box 354, 96010-900 Pelotas , RS , Brazil
| | - Luiz H. Dapper
- Laboratório de Síntese Orgânica Limpa – LASOL, CCQFA, Universidade Federal de Pelotas - UFPel , P.O. Box 354, 96010-900 Pelotas , RS , Brazil
| | - José E. R. Nascimento
- Laboratório de Síntese Orgânica Limpa – LASOL, CCQFA, Universidade Federal de Pelotas - UFPel , P.O. Box 354, 96010-900 Pelotas , RS , Brazil
| | - Eder João Lenardão
- Laboratório de Síntese Orgânica Limpa – LASOL, CCQFA, Universidade Federal de Pelotas - UFPel , P.O. Box 354, 96010-900 Pelotas , RS , Brazil
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6
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Nikoofar K, Shahriyari F. Ultrasound-assisted aqua-mediated synthesis of multi-substituted tetrahydropyridine-3-carboxylates using N-carboxymethyl-3-pyridinium hydrogensulfate ([N-CH2CO2H-3-pic]+HSO4−) as a new efficient ionic liquid catalyst. SN APPLIED SCIENCES 2021. [DOI: 10.1007/s42452-021-04671-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
AbstractA simple, straightforward, and ultrasound-promoted method for the preparation of some highly functionalized tetrahydropyridines reported via pseudo five-component reaction of (hetero)aromatic aldehydes, different anilines, and alkyl acetoacetates in the presence of [N-CH2CO2H-3-pic]+HSO4−, as a novel ionic liquid, in green aqueous medium. The IL was synthesized utilizing simple and easily-handled substrates and characterized by FT-IR, 1H NMR, 13C NMR, GC-MASS, FESEM, EDX, and TGA/DTG techniques. The procedure contains some highlighted aspects which are: (a) performing the MCR in the presence of aqua and sonic waves, as two main important and environmentally benign indexes in green and economic chemistry, (b) high yields of products within short reaction times, (c) convenient work-up procedure, (d) preparing the new IL via simple substrates and procedure.
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7
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Ma X, Zhi S, Zhang W. Recent Developments on Five-Component Reactions. Molecules 2021; 26:molecules26071986. [PMID: 33915870 PMCID: PMC8037922 DOI: 10.3390/molecules26071986] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/25/2021] [Accepted: 03/26/2021] [Indexed: 12/03/2022] Open
Abstract
Multicomponent reactions (MCRs) have inherent advantages in pot, atom, and step economy (PASE). This important green synthetic approach has gained increasing attention due to high efficiency, minimal waste, saving resources, and straightforward procedures. Presented in this review article are the recent development on 5-compoment reactions (5CRs) of the following six types: (I) five different molecules A + B + C + D + E; pseudo-5CRs including (II) 2A + B + C + D, (III) 2A + 2B + C, (IV) 3A + B + C, (V) 3A + 2B, and (VI) 4A + B. 5CRs with more than five-reaction centers are also included.
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Affiliation(s)
- Xiaoming Ma
- School of Pharmacy, Changzhou University, 1 Gehu Road, Changzhou 213164, China;
| | - Sanjun Zhi
- Jiangsu Key Laboratory for the Chemistry of Low-Dimensional Materials, Huaiyin Normal University, Huai’an 223300, China;
| | - Wei Zhang
- Department of Chemistry, University of Massachusetts Boston, 100 Morrissey Boulevard, Boston, MA 02125, USA
- Correspondence: ; Tel.: +1-617-287-6147; Fax: +1-617-287-6030
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8
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Samadani M, Asadi B, Mohammadpoor-Baltork I, Mirkhani V, Tangestaninejad S, Moghadam M. Triazine bis(pyridinium) hydrogen sulfate ionic liquid immobillized on functionalized halloysite nanotubes as an efficient catalyst for one-pot synthesis of naphthopyranopyrimidines. RSC Adv 2021; 11:11976-11983. [PMID: 35423765 PMCID: PMC8696591 DOI: 10.1039/d1ra01230d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 03/15/2021] [Indexed: 11/21/2022] Open
Abstract
1,1′-(6-(Propyl amino)-1,3,5-triazine-2,4-diyl)bis(pyridinium) hydrogen sulfate immobillized on halloysite nanotubes [(PATDBP)(HSO4)2@HNT] as a solid acid nanocatalyst was successfully synthesized and characterized by various analysis techniques such as FT-IR, TGA, SEM/EDX, elemental mapping, TEM and elemental analysis. This catalyst was found to be highly efficient for the convenient synthesis of naphthopyranopyrimidine derivatives through a one-pot three-component reaction of β-naphthol, aldehydes and N,N-dimethylbarbituric acid in excellent yields under solvent-free conditions. Furthermore, the catalyst could be recovered and reused five times without any notable loss of its activity. A novel method for synthesis of naphthopyranopyrimidines, using [(PATDBP)(HSO4)2@HNT] as a green and reusable catalyst is reported.![]()
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Affiliation(s)
- Marzieh Samadani
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3793 4927
| | - Beheshteh Asadi
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3793 4927
| | - Iraj Mohammadpoor-Baltork
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3793 4927
| | - Valiollah Mirkhani
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3793 4927
| | - Shahram Tangestaninejad
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3793 4927
| | - Majid Moghadam
- Department of Chemistry, Catalysis Division, University of Isfahan Isfahan 81746-73441 Iran +98 31 3793 4927
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9
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Anand PS, Sethukumar A, Kumar CU, Krishnasamy K, Senthan S, Manikandan G, Prakasam BA. Synthesis, stereochemical, single crystal X-ray structural and antimicrobial studies of some isobutyl-1,2,6-triaryl-4-(arylamino)-1,2,5,6-tetrahydropyridine-3-carboxylates: Exploring RAHB with S(6) graph set. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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10
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Ali S, Khan AT. Copper(ii) triflate catalyzed three-component reaction for the synthesis of 2,3-diarylquinoline derivatives using aryl amines, aryl aldehydes and styrene oxides. Org Biomol Chem 2021; 19:3255-3262. [DOI: 10.1039/d1ob00125f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
An efficient and expedient synthetic protocol is reported for the synthesis of 2,3-diarylquinoline derivatives from readily available aryl amines, aryl aldehydes and styrene oxides using 10 mol% copper(ii) triflate by employing three-component reaction.
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Affiliation(s)
- Saghir Ali
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati-781039
- India
| | - Abu T. Khan
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati-781039
- India
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11
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Nenajdenko VG. Access to molecular complexity. Multicomponent reactions involving five or more components. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr5010] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The evaluation of the significance of a chemical transformation addresses many factors, including such important characteristics as the number of chemical bonds formed in one step, the reaction time, labour intensity, the cost of reactants and catalysts and so on. The amount of waste produced in the reaction has also gained increasing importance in recent years. Multicomponent reactions (MCRs) occupy a special place as a synthetic tool in modern organic chemistry. These reactions allow the synthesis of target products with complex structures, minimizing labour costs. This review summarizes the literature on multicomponent reactions involving five or more components. The data in the review are classified according to the number of reactants participating in the reaction and the types of reactions. It is worth noting that in some cases, these transformations can be a part of a domino process, making this classification difficult, if not impossible. The structural diversity of the reaction products greatly increases with increasing number of components involved in the MCR, which becomes virtually unlimited when using combinations of MCRs. This review highlights the main trends of past decades in the field of MCRs. The last two decades have witnessed an explosive growth in the number of publications in this area of chemistry.
The bibliography includes 309 references.
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12
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13
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Asadi B, Mohammadpoor‐Baltork I, Mirkhani V, Tangestaninejad S, Moghadam M. Synthesis of Bi(III) Immobilized on Carboxyl‐Terminated Triazine Dendrimer Stabilized Magnetic Nanoparticles: Improvement of Catalytic Activity for Synthesis of Indol‐3‐yl Acrylates. ChemistrySelect 2020. [DOI: 10.1002/slct.202001638] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Beheshteh Asadi
- Department of Chemistry, Catalysis DivisionUniversity of Isfahan Isfahan 81746-73441 Iran
| | | | - Valiollah Mirkhani
- Department of Chemistry, Catalysis DivisionUniversity of Isfahan Isfahan 81746-73441 Iran
| | | | - Majid Moghadam
- Department of Chemistry, Catalysis DivisionUniversity of Isfahan Isfahan 81746-73441 Iran
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14
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Alishahi N, Mohammadpoor‐Baltork I, Tangestaninejad S, Mirkhani V, Moghadam M, Kia R. Calixarene Based Ionic Liquid as an Efficient and Reusable Catalyst for One‐Pot Multicomponent Synthesis of Polysubstituted Pyridines and Bis‐pyridines. ChemistrySelect 2019. [DOI: 10.1002/slct.201900902] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Nasrin Alishahi
- Department of ChemistryCatalysis DivisionUniversity of Isfahan Isfahan 81746–73441 Iran
| | | | | | - Valiollah Mirkhani
- Department of ChemistryCatalysis DivisionUniversity of Isfahan Isfahan 81746–73441 Iran
| | - Majid Moghadam
- Department of ChemistryCatalysis DivisionUniversity of Isfahan Isfahan 81746–73441 Iran
| | - Reza Kia
- Chemistry DepartmentSharif University of Technology P.O. Box 11155–3516 Tehran Iran
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15
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Kaur G, Devi M, Kumari A, Devi R, Banerjee B. One-Pot Pseudo Five Component Synthesis of Biologically Relevant 1,2,6-Triaryl-4-arylamino-piperidine-3-ene-3- carboxylates: A Decade Update. ChemistrySelect 2018. [DOI: 10.1002/slct.201801887] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Gurpreet Kaur
- Department of Chemistry; Indus International University V.P.O. Bathu, Distt. Una, Himachal Pradesh -; 174301 India
| | - Mamta Devi
- Department of Chemistry; Indus International University V.P.O. Bathu, Distt. Una, Himachal Pradesh -; 174301 India
| | - Anjana Kumari
- Department of Chemistry; Indus International University V.P.O. Bathu, Distt. Una, Himachal Pradesh -; 174301 India
| | - Rekha Devi
- Department of Chemistry; Indus International University V.P.O. Bathu, Distt. Una, Himachal Pradesh -; 174301 India
| | - Bubun Banerjee
- Department of Chemistry; Indus International University V.P.O. Bathu, Distt. Una, Himachal Pradesh -; 174301 India
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16
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Khan MM, Khan S, Saigal, Sahoo SC. Efficient and Eco-Friendly One-Pot Synthesis of Functionalized Furan-2-one, Pyrrol-2-one, and Tetrahydropyridine Using Lemon Juice as a Biodegradable Catalyst. ChemistrySelect 2018. [DOI: 10.1002/slct.201702933] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- M. Musawwer Khan
- Department of Chemistry; Aligarh Muslim University; Aligarh- 202002 India
| | - Sarfaraz Khan
- Department of Chemistry; Aligarh Muslim University; Aligarh- 202002 India
| | - Saigal
- Department of Chemistry; Aligarh Muslim University; Aligarh- 202002 India
| | - Subash C. Sahoo
- Department of Chemistry; Punjab University; Chandigarh- 160014 India
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17
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Wei J, Li Y, Tao C, Wang H, Cheng B, Zhai H, Li Y. Organocatalytic Synthesis of 4-Aryl-1,2,3,4-tetrahydropyridines from Morita-Baylis-Hillman Carbonates through a One-Pot Three-Component Cyclization. J Org Chem 2018; 83:835-842. [DOI: 10.1021/acs.joc.7b02818] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Jian Wei
- The
State Key Laboratory of Applied Organic Chemistry, College of Chemistry
and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Yuntong Li
- The
State Key Laboratory of Applied Organic Chemistry, College of Chemistry
and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Cheng Tao
- The
State Key Laboratory of Applied Organic Chemistry, College of Chemistry
and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Huifei Wang
- Laboratory
of Chemical Genomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School of Peking University, Shenzhen 518055, China
| | - Bin Cheng
- The
State Key Laboratory of Applied Organic Chemistry, College of Chemistry
and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Hongbin Zhai
- Laboratory
of Chemical Genomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School of Peking University, Shenzhen 518055, China
| | - Yun Li
- The
State Key Laboratory of Applied Organic Chemistry, College of Chemistry
and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
- State
Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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18
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Rahmani F, Mohammadpoor-Baltork I, Khosropour AR, Moghadam M, Tangestaninejad S, Mirkhani V. Novel Multicomponent Synthesis of Pyridine-Pyrimidines and Their Bis-Derivatives Catalyzed by Triazine Diphosphonium Hydrogen Sulfate Ionic Liquid Supported on Functionalized Nanosilica. ACS COMBINATORIAL SCIENCE 2018; 20:19-25. [PMID: 29215873 DOI: 10.1021/acscombsci.7b00079] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this Research Article, we report an efficient synthesis of 1,3-dimethyl-5-aryl-7-(pyridine-3(2)(4)-yl)pyrimidine-2,4(1H,3H)-diones via a three-component reaction of aryl aldehydes, 1,3-dimethyl-6-aminouracil and carbonitriles in the presences of triazine diphosphonium hydrogen sulfate ionic liquid supported on functionalized nanosilica (APTADPHS-nSiO2) as a reusable catalyst under microwave irradiation and solvent-free conditions. The bis-derivatives of pyridine-pyrimidines were also efficiently prepared from dialdehydes and dinitriles. In addition, 3-methyl-1H-pyrazole-5-amine was used successfully instead of 1,3-dimethyl-6-aminouracil under the same conditions to afford the corresponding products in high yields. The catalyst can be reused at least five times without any significant loss of its activity. The easy recovery, reusability and excellent activity of the catalyst as well as easy workup are other noteworthy advantages of this method.
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Affiliation(s)
- Fahime Rahmani
- Catalysis
Division, Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | | | - Ahmad Reza Khosropour
- Catalysis
Division, Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Majid Moghadam
- Catalysis
Division, Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Shahram Tangestaninejad
- Catalysis
Division, Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Valiollah Mirkhani
- Catalysis
Division, Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
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