1
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Paul B, Panja D, Kundu S. Synthesis of N-heterocycles through alcohol dehydrogenative coupling. Nat Protoc 2024:10.1038/s41596-024-01031-w. [PMID: 39174661 DOI: 10.1038/s41596-024-01031-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 05/24/2024] [Indexed: 08/24/2024]
Abstract
Nitrogen heterocycles are found in the structures of many biologically important compounds, as well as materials used in the synthesis of fine chemicals. Notably, ~59% of US Food and Drug Administration-approved small-molecule drugs contain nitrogen heterocycles. It is therefore meaningful to explore greener or more sustainable methods for their synthesis. The use of alcohols as reagents is attractive as they can be readily obtained from biomass derived natural resources. In the last two decades, alcohol dehydrogenative coupling reaction to synthesize various heterocycles were extensively explored which furnished hydrogen (H2) and water (H2O) as the two greener byproducts. In this protocol, we describe several efficient catalytic transformations to synthesize quinolines, 1,8-naphthyridines, quinoxalines, quinazolines, pyrimidines, benzimidazoles, pyrroles and pyridines, using alcohol as starting materials. We also describe the synthesis of several homogeneous iridium/ruthenium catalysts and heterogeneous cobalt/copper catalysts that can be used in these transformations. The reaction setup is simple; in a Schlenk/reaction tube with magnetic stir-bar, alcohol, corresponding coupling reagents (nucleophiles), catalyst, base and solvent (water or organic solvent such as toluene, dioxane or p-xylene) are added. The reaction mixture is refluxed at the specified temperature (110-150 °C)-either in air or under argon-to furnish these heterocycles. Synthesis of the catalysts takes 3-5 h and the coupling reactions take 4-5 h depending on the target product. The cobalt- and copper-based heterogeneous catalytic systems displayed an good catalyst recyclability.
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Affiliation(s)
- Bhaskar Paul
- Department of Chemistry, University of Oxford, Oxford, UK.
- Department of Chemistry, Indian Institute of Technology Kanpur (IITK), Kanpur, India.
| | - Dibyajyoti Panja
- Department of Chemistry, Indian Institute of Technology Kanpur (IITK), Kanpur, India
| | - Sabuj Kundu
- Department of Chemistry, Indian Institute of Technology Kanpur (IITK), Kanpur, India.
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2
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Farghaly TA, Alqurashi RM, Masaret GS, Abdulwahab HG. Recent Methods for the Synthesis of Quinoxaline Derivatives and their Biological Activities. Mini Rev Med Chem 2024; 24:920-982. [PMID: 37885112 DOI: 10.2174/0113895575264375231012115026] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/31/2023] [Accepted: 08/11/2023] [Indexed: 10/28/2023]
Abstract
Quinoxaline derivatives have been incorporated into numerous marketed drugs used for the treatment of various diseases. Examples include glecaprevir (Mavyret), voxilaprevir (Vosevi), Balversa (L01EX16) (erdafitinib), carbadox, XK469R (NSC698215), and becampanel (AMP397). These quinoxaline derivatives exhibit a diverse range of pharmacological activities, including antibacterial, antitubercular, antiviral, anti-HIV, anti-inflammatory, antifungal, anticancer, antiproliferative, antitumor, kinase inhibition, antimicrobial, antioxidant, and analgesic effects. Recognizing the significance of these bioactive quinoxaline derivatives, researchers have dedicated their efforts to developing various synthetic methods for their production. This review aimed to compile the most recent findings on the synthesis and biological properties of quinoxaline derivatives from 2015 to 2023.
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Affiliation(s)
- Thoraya A Farghaly
- Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Raghad M Alqurashi
- Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Ghada S Masaret
- Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Hanan Gaber Abdulwahab
- Department of Pharmaceutical Medicinal Chemistry and Drug Design, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt
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3
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Pérez Mayoral E, Godino Ojer M, Ventura M, Matos I. New Insights into N-Doped Porous Carbons as Both Heterogeneous Catalysts and Catalyst Supports: Opportunities for the Catalytic Synthesis of Valuable Compounds. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2013. [PMID: 37446528 DOI: 10.3390/nano13132013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/15/2023]
Abstract
Among the vast class of porous carbon materials, N-doped porous carbons have emerged as promising materials in catalysis due to their unique properties. The introduction of nitrogen into the carbonaceous matrix can lead to the creation of new sites on the carbon surface, often associated with pyridinic or pyrrolic nitrogen functionalities, which can facilitate various catalytic reactions with increased selectivity. Furthermore, the presence of N dopants exerts a significant influence on the properties of the supported metal or metal oxide nanoparticles, including the metal dispersion, interactions between the metal and support, and stability of the metal nanoparticles. These effects play a crucial role in enhancing the catalytic performance of the N-doped carbon-supported catalysts. Thus, N-doped carbons and metals supported on N-doped carbons have been revealed to be interesting heterogeneous catalysts for relevant synthesis processes of valuable compounds. This review presents a concise overview of various methods employed to produce N-doped porous carbons with distinct structures, starting from diverse precursors, and showcases their potential in various catalytic processes, particularly in fine chemical synthesis.
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Affiliation(s)
- Elena Pérez Mayoral
- Departamento de Química Inorgánica y Química Técnica, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Urbanización Monte Rozas, Avda. Esparta s/n Ctra. de Las Rozas al Escorial Km 5, Las Rozas, 28232 Madrid, Spain
| | - Marina Godino Ojer
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria (UFV), Ctra. Pozuelo-Majadahonda Km 1.800, Pozuelo de Alarcón, 28223 Madrid, Spain
| | - Márcia Ventura
- LAQV/REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Ines Matos
- LAQV/REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
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4
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Keri RS, Reddy D, Budagumpi S, Adimule V. Reusable nano-catalyzed green protocols for the synthesis of quinoxalines: an overview. RSC Adv 2023; 13:20373-20406. [PMID: 37425629 PMCID: PMC10326672 DOI: 10.1039/d3ra03646d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 06/28/2023] [Indexed: 07/11/2023] Open
Abstract
Heterocyclic compounds are very widely distributed in nature and are essential for life activities. They play a vital role in the metabolism of all living cells, for example, vitamins and co-enzyme precursors thiamine, riboflavin etc. Quinoxalines are a class of N-heterocycles that are present in a variety of natural and synthetic compounds. The distinct pharmacological activities of quinoxalines have attracted medicinal chemists considerably over the past few decades. Quinoxaline-based compounds possess extensive potential applications as medicinal drugs, presently; more than fifteen drugs are available for the treatment of different diseases. Diverse synthetic protocols have been developed via a one-pot approach using efficient catalysts, reagents, and nano-composites/nanocatalysts etc. But the use of homogeneous and transition metal-based catalysts suffers some demerits such as low atom economy, recovery of catalysts, harsh reaction conditions, extended reaction period, expensive catalysts, the formation of by-products, and unsatisfactory yield of products as well as toxic solvents. These drawbacks have shifted the attention of chemists/researchers to develop green and efficient protocols for synthesizing quinoxaline derivatives. In this context, many efficient methods have been developed for the synthesis of quinoxalines using nanocatalysts or nanostructures. In this review, we have summarized the recent progress (till 2023) in the nano-catalyzed synthesis of quinoxalines using condensation of o-phenylenediamine with diketone/other reagents with plausible mechanistic details. With this review, we hope that some more efficient ways of synthesizing quinoxalines can be developed by synthetic chemists.
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Affiliation(s)
- Rangappa S Keri
- Centre for Nano and Material Sciences, Jain (Deemed-to-be University) Jain Global Campus, Kanakapura Bangalore Karnataka 562112 India +918027577199 +919620667075
| | - Dinesh Reddy
- Centre for Nano and Material Sciences, Jain (Deemed-to-be University) Jain Global Campus, Kanakapura Bangalore Karnataka 562112 India +918027577199 +919620667075
| | - Srinivasa Budagumpi
- Centre for Nano and Material Sciences, Jain (Deemed-to-be University) Jain Global Campus, Kanakapura Bangalore Karnataka 562112 India +918027577199 +919620667075
| | - Vinayak Adimule
- Angadi Institute of Technology and Management (AITM) Savagaon Road Belagavi-5800321 Karnataka India
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5
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Godino-Ojer M, Morales-Torres S, Maldonado-Hódar FJ, Pérez-Mayoral E. Towards selective synthesis of quinoxalines by using transition metals-doped carbon aerogels. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.01.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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6
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Zinc ferrite as reusable and green catalyst for synthesis of quinoxaline derivatives. J CHEM SCI 2022. [DOI: 10.1007/s12039-022-02074-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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7
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Wang Q, Zhu B, Zhang X, Shi G, Liu J, Xu Q. Direct construction of quinoxaline derivatives from vicinal diols and o‐nitroanilines via NaOH‐mediated intermolecular cascade redox and annulation reactions. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Qi Wang
- Yangzhou University School of Chemistry and Chemical Engineering 225002 Yangzhou CHINA
| | - Boran Zhu
- Yangzhou University School of Chemistry and Chemical Engineering 225002 Yangzhou CHINA
| | - Xiaolan Zhang
- Yangzhou University School of Chemistry and Chemical Engineering 225002 Yangzhou CHINA
| | - Guojun Shi
- Yangzhou University School of Chemistry and Chemical Engineering 225002 Yangzhou CHINA
| | - Jianping Liu
- Wenzhou University College of Chemistry and Materials Engineering 325035 Wenzhou CHINA
| | - Qing Xu
- Wenzhou University College of Chemistry and Materials Engineering Wenzhou University Town 325035 Wenzhou CHINA
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8
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Angajala G, Aruna V, Pavan P, Guruprasad Reddy P. Biocatalytic one pot three component approach: Facile synthesis, characterization, molecular modelling and hypoglycemic studies of new thiazolidinedione festooned quinoline analogues catalyzed by alkaline protease from Aspergillus niger. Bioorg Chem 2021; 119:105533. [PMID: 34902647 DOI: 10.1016/j.bioorg.2021.105533] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 11/26/2021] [Accepted: 11/27/2021] [Indexed: 12/01/2022]
Abstract
A novel ANAP (Aspergillus niger from alkaline protease) catalyzed one pot three component approach in the synthesis of new thiazolidinedione festooned quinoline analogues via Knoevenagel condensation and N-alkylation have been reported. The catalytic effect of enzyme was monitored and optimized by adjusting various parameters including catalyst concentration, choice of solvent and temperature. The isolated alkaline protease exhibits favorable features for the reaction response such as the shorter reaction time, simple work-up procedure, clean reaction profiles and excellent product yields through reusability of the catalyst upto five cycles. In silico molecular docking simulations were carried out to find out the effective binding affinity of the synthesized quinoline analogues 4(a-i) towards PPARγ protein (Id-2XKW). In vitro α-amylase and α-glucosidase assays were performed for hypoglycemic activity evaluation. In vivo hypoglycemic studies carried out on streptozotocin (SZT) induced diabetic male albino rats have shown that compounds 4e and 4f significantly reduced blood glucose levels with percentage reduction of 43.7 ± 0.91 and 45.6 ± 0.28 at a concentration of 50 mg/kg body wt. The results obtained from molecular docking simulations and in vitro enzyme assays are in consistent with in-vivo studies which clearly demonstrated that out of the synthesized quinoline analogues, compounds 4e and 4f possess promising hypoglycemic activity which was on par to that of standards pioglitazone and rosiglitazone respectively.
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Affiliation(s)
- Gangadhara Angajala
- Department of Chemistry, Kalasalingam Academy of Research and Education, Anand nagar, Krishnankoil 626126, Tamilnadu, India.
| | - Valmiki Aruna
- Department of Chemistry, Kalasalingam Academy of Research and Education, Anand nagar, Krishnankoil 626126, Tamilnadu, India
| | - Pasupala Pavan
- Department of Humanities and Basic Sciences, G. Pulla Reddy Engineering College, Kurnool 518007, Andhra Pradesh, India
| | - Pulikanti Guruprasad Reddy
- School of Basic Sciences, Indian Institute of Technology Mandi, Kamand 175005, Himachal Pradesh, India; Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 91120, Israel
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9
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Sun K, Shan H, Lu G, Cai C, Beller M. Synthesis of N-Heterocycles via Oxidant-Free Dehydrocyclization of Alcohols Using Heterogeneous Catalysts. Angew Chem Int Ed Engl 2021; 60:25188-25202. [PMID: 34138507 PMCID: PMC9292538 DOI: 10.1002/anie.202104979] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Indexed: 01/15/2023]
Abstract
N-Heterocycles, such as pyrroles, pyrimidines, quinazolines, and quinoxalines, are important building blocks for organic chemistry and the fine-chemical industry. For their synthesis, catalytic borrowing hydrogen and acceptorless dehydrogenative coupling reactions of alcohols as sustainable reagents have received significant attention in recent years. To overcome the problems of product separation and catalyst reusability, several metal-based heterogeneous catalysts have been reported to achieve these transformations with good yields and selectivity. In this Minireview, we summarize recent developments using both noble and non-noble metal-based heterogeneous catalysts to synthesize N-heterocycles from alcohols and N-nucleophiles via acceptorless dehydrogenation or borrowing hydrogen methodologies. Furthermore, this Minireview introduces strategies for the preparation and functionalization of the corresponding heterogeneous catalysts, discusses the reaction mechanisms and the roles of metal electronic states, and the influence of support Lewis acid-base properties on these reactions.
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Affiliation(s)
- Kangkang Sun
- School of Chemical EngineeringNanjing University of Science & TechnologyXiaolingwei 200Nanjing210094P. R. China
- Applied Homogeneous CatalysisLeibniz-Institut für Katalyse e.VAlbert-Einstein-Straße 29a18059RostockGermany
| | - Hongbin Shan
- School of Chemical EngineeringNanjing University of Science & TechnologyXiaolingwei 200Nanjing210094P. R. China
| | - Guo‐Ping Lu
- School of Chemical EngineeringNanjing University of Science & TechnologyXiaolingwei 200Nanjing210094P. R. China
| | - Chun Cai
- School of Chemical EngineeringNanjing University of Science & TechnologyXiaolingwei 200Nanjing210094P. R. China
| | - Matthias Beller
- Applied Homogeneous CatalysisLeibniz-Institut für Katalyse e.VAlbert-Einstein-Straße 29a18059RostockGermany
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10
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Sun K, Shan H, Lu G, Cai C, Beller M. Synthesis of
N
‐Heterocycles via Oxidant‐Free Dehydrocyclization of Alcohols Using Heterogeneous Catalysts. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202104979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Kangkang Sun
- School of Chemical Engineering Nanjing University of Science & Technology Xiaolingwei 200 Nanjing 210094 P. R. China
- Applied Homogeneous Catalysis Leibniz-Institut für Katalyse e.V Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Hongbin Shan
- School of Chemical Engineering Nanjing University of Science & Technology Xiaolingwei 200 Nanjing 210094 P. R. China
| | - Guo‐Ping Lu
- School of Chemical Engineering Nanjing University of Science & Technology Xiaolingwei 200 Nanjing 210094 P. R. China
| | - Chun Cai
- School of Chemical Engineering Nanjing University of Science & Technology Xiaolingwei 200 Nanjing 210094 P. R. China
| | - Matthias Beller
- Applied Homogeneous Catalysis Leibniz-Institut für Katalyse e.V Albert-Einstein-Straße 29a 18059 Rostock Germany
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11
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Rock J, Garcia D, Espino O, Shetu SA, Chan-Bacab MJ, Moo-Puc R, Patel NB, Rivera G, Bandyopadhyay D. Benzopyrazine-Based Small Molecule Inhibitors As Trypanocidal and Leishmanicidal Agents: Green Synthesis, In Vitro, and In Silico Evaluations. Front Chem 2021; 9:725892. [PMID: 34604170 PMCID: PMC8484882 DOI: 10.3389/fchem.2021.725892] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 09/01/2021] [Indexed: 01/18/2023] Open
Abstract
World Health Organization (WHO) identified twenty tropical disease categories as neglected tropical diseases (NTDs). Chagas' disease (also known as American trypanosomiasis) and leishmaniasis are two major classes of NTDs. The total number of mortality, morbidity, and disability attributed each year due to these two categories of diseases in magnitudes is much higher than the so-called elite diseases like cancer, diabetes, AIDS, cardiovascular and neurodegenerative diseases. Impoverished communities around the world are the major victim of NTDs. The development of new and novel drugs in the battle against Chagas' disease and leishmaniasis is highly anticipated. An easy and straightforward on-water green access to synthesize benzopyrazines is reported. This ultrasound-assisted procedure does not require any catalyst/support/additive/hazardous solvents and maintains a high atom economy. A series of eleven benzopyrazines has been synthesized, and most of the synthesized compounds possess the drug-likeness following Lipinski's "Rule of 5". Benzopyrazines 3 and 4 demonstrated moderate leishmanicidal activity against L. mexicana (M378) strain. The selective lead compound 1 showed good leishmanicidal, and trypanocidal activities (in vitro) against both L. mexicana (M378) and T. cruzi (NINOA) strains compared to the standard controls. The in vitro trypanocidal and leishmanicidal activities of the lead compound 1 have been validated by molecular docking studies against four biomolecular drug targets viz. T. cruzi histidyl-tRNA synthetase, T. cruzi trans-sialidase, leishmanial rRNA A-site, and leishmania major N-myristoyl transferase.
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Affiliation(s)
- Jonathan Rock
- Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, TX, United States
| | - Daniel Garcia
- Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, TX, United States
| | - Omar Espino
- Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, TX, United States
| | - Shaila A. Shetu
- Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, TX, United States
| | - Manuel J. Chan-Bacab
- Departamento de Microbiología Ambiental y Biotecnología, Universidad Autónoma de Campeche, Campeche, México
| | - Rosa Moo-Puc
- Unidad Médica de Alta Especialidad, Instituto Mexicano Del Seguro Social, Mérida, México
| | - Navin B. Patel
- Department of Chemistry, Veer Narmad South Gujarat University, Gujrat, India
| | - Gildardo Rivera
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa, México
| | - Debasish Bandyopadhyay
- Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, TX, United States
- School of Earth Environment and Marine Sciences (SEEMS), University of Texas Rio Grande Valley, Edinburg, TX, United States
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12
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Ruthenium−p-cymene complexes with acylthiourea, and its heterogenized form on graphene oxide act as catalysts for the synthesis of quinoxaline derivatives. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121933] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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13
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Maikhuri VK, Prasad AK, Jha A, Srivastava S. Recent advances in the transition metal catalyzed synthesis of quinoxalines: a review. NEW J CHEM 2021. [DOI: 10.1039/d1nj01442k] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This review summarizes the recent developments in the synthesis of a variety of substituted quinoxalines using transition metal catalysts.
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Affiliation(s)
- Vipin K. Maikhuri
- Bioorganic Laboratory
- Department of Chemistry
- University of Delhi
- Delhi 110007
- India
| | - Ashok K. Prasad
- Bioorganic Laboratory
- Department of Chemistry
- University of Delhi
- Delhi 110007
- India
| | - Amitabh Jha
- Department of Chemistry
- Acadia University
- Wolfville
- Canada
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14
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Maji M, Panja D, Borthakur I, Kundu S. Recent advances in sustainable synthesis of N-heterocycles following acceptorless dehydrogenative coupling protocol using alcohols. Org Chem Front 2021. [DOI: 10.1039/d0qo01577f] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In this review, we have summarized various aspects of homogeneous and heterogeneously catalyzed recent advancements in the synthesis of heterocycles following the ADC approach.
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Affiliation(s)
- Milan Maji
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Dibyajyoti Panja
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Ishani Borthakur
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Sabuj Kundu
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
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15
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Wu J, Darcel C. Iron-Catalyzed Hydrogen Transfer Reduction of Nitroarenes with Alcohols: Synthesis of Imines and Aza Heterocycles. J Org Chem 2020; 86:1023-1036. [DOI: 10.1021/acs.joc.0c02505] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jiajun Wu
- UnivRennes, CNRS ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, F-35000 Rennes, France
| | - Christophe Darcel
- UnivRennes, CNRS ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, F-35000 Rennes, France
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