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Ganesh BH, Raj AG, Aruchamy B, Nanjan P, Drago C, Ramani P. Pyrrole: A Decisive Scaffold for the Development of Therapeutic Agents and Structure-Activity Relationship. ChemMedChem 2024; 19:e202300447. [PMID: 37926686 DOI: 10.1002/cmdc.202300447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/25/2023] [Accepted: 11/01/2023] [Indexed: 11/07/2023]
Abstract
An overview of pyrroles as distinct scaffolds with therapeutic potential and the significance of pyrrole derivatives for drug development are provided in this article. It lists instances of naturally occurring pyrrole-containing compounds and describes the sources of pyrroles in nature, including plants and microbes. It also explains the many conventional and modern synthetic methods used to produce pyrroles. The key topics are the biological characteristics, pharmacological behavior, and functional alterations displayed by pyrrole derivatives. It also details how pyrroles are used to treat infectious diseases. It describes infectious disorders resistant to standard treatments and discusses the function of compounds containing pyrroles in combating infectious diseases. Furthermore, the review covers the uses of pyrrole derivatives in treating non-infectious diseases and resistance mechanisms in non-infectious illnesses like cancer, diabetes, and Alzheimer's and Parkinson's diseases. The important discoveries and probable avenues for pyrrole research are finally summarized, along with their significance for medicinal chemists and drug development. A reference from the last two decades is included in this review.
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Affiliation(s)
- Bharathi Hassan Ganesh
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE-AMGT), Amrita School of Engineering, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
| | - Anirudh G Raj
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
| | - Baladhandapani Aruchamy
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE-AMGT), Amrita School of Engineering, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
| | - Pandurangan Nanjan
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
- Amrita School of Engineering, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
| | - Carmelo Drago
- Institute of Biomolecular Chemistry CNR, via Paolo Gaifami 18, 95126, Catania, Italy
| | - Prasanna Ramani
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE-AMGT), Amrita School of Engineering, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
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2
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Yue Y, Dai J, Jin L, Liu C, Sun J, Ye K, Lu R. The Factor beyond Schmidt's Criteria Impacting the Photo-Induced [2+2] Cycloaddition Reactivity and Photoactuation of Molecular Crystals Based on Cyclic Chalcone Analogues. Chemistry 2023; 29:e202301525. [PMID: 37313774 DOI: 10.1002/chem.202301525] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/07/2023] [Accepted: 06/13/2023] [Indexed: 06/15/2023]
Abstract
Generally, the potential reactive "olefin pairs" in the molecular crystals satisfying Schmidt's criteria could undergo topological [2+2] cycloaddition. In this study, another factor that affects the photodimerization reactivity of chalcone analogues was found. The cyclic chalcone analogues of (E)-2-(2,4-dichlorobenzylidene)-2,3-dihydro-1H-inden-1-one (BIO), (E)-2-(naphthalen-2-ylmethylene)-2,3-dihydro-1H-inden-1-one (NIO), (Z)-2-(2,4-dichlorobenzylidene)benzofuran-3(2H)-one (BFO), and (Z)-2-(2,4-dichlorobenzylidene)benzo[b]thiophen-3(2H)-one (BTO) have been synthesized. While the geometrical parameters for the molecular packing of the above four compounds did not exceed Schmidt's criteria, [2+2] cycloaddition did not occur in the crystals of BIO and BTO. The single crystal structures and Hirshfeld surface analyses revealed that interactions of C=O⋅⋅⋅H (CH2 ) existed between adjacent molecules in the crystal of BIO. Therefore, the carbonyl and methylene groups linked with one carbon atom in carbon-carbon double bond were tightly confined in the lattice, acting as a tweezer to inhibit free movement of the double bond and suppressing [2+2] cycloaddition. In the crystal of BTO, similar interactions of Cl⋅⋅⋅S and C=O⋅⋅⋅H (C6 H4 ) prevented free movement of the double bond. In contrast, the intermolecular interaction of C=O⋅⋅⋅H only exists around the carbonyl group in the crystals of BFO and NIO, leaving the C=C double bonds to move freely and allowing the occurrence of [2+2] cycloaddition. Driven by photodimerization, the needle-like crystals of BFO and NIO displayed evident photo-induced bending behavior. This work demonstrates that the intermolecular interactions around carbon-carbon double bond affect the [2+2] cycloaddition reactivity except for Schmidt's criteria. These findings provide valuable insights into the design of photomechanical molecular crystalline materials.
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Affiliation(s)
- Yuan Yue
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130021, P. R. China
| | - Jiawei Dai
- Clarendon Laboratory, University of Oxford, Oxford, OX1 3PU, UK
| | - Liuyang Jin
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130021, P. R. China
| | - Cheng Liu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130021, P. R. China
| | - Jingbo Sun
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130021, P. R. China
| | - Kaiqi Ye
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130021, P. R. China
| | - Ran Lu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130021, P. R. China
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3
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Liu D, Yang K, Fang D, Li SJ, Lan Y, Chen Y. Formyl Radical Generation from α-Chloro N-Methoxyphthalimides Enables Selective Aldehyde Synthesis. Angew Chem Int Ed Engl 2023; 62:e202213686. [PMID: 36342432 DOI: 10.1002/anie.202213686] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Indexed: 11/09/2022]
Abstract
The aldehydes installation by radical formylation constitutes an attractive synthetic strategy. However, the generation of formyl radicals for organic synthesis applications remains unknown. Herein we report the first formyl radical generation from α-chloro N-methoxyphthalimides, which selectively synthesize aldehydes by alkene hydroformylation under mild photoredox conditions. The aldehydes can be installed on acrylates, acrylamides, vinyl sulfones, vinyl ketones, and complex steroids by radical hydroformylation in excellent chemoselectivity and regioselectivity. The concerted hydrochloride elimination for the formyl radical generation from α-chloro methoxy radicals is established by experimental and computational approaches.
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Affiliation(s)
- Dan Liu
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Kai Yang
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Di Fang
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Shi-Jun Li
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Yu Lan
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, China.,School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing, 400030, China
| | - Yiyun Chen
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China.,School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai, 201210, China.,School of Chemistry and Material Sciences, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou, 310024, China
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4
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Borah B, Dwivedi KD, Chowhan LR. Recent approaches in the organocatalytic synthesis of pyrroles. RSC Adv 2021; 11:13585-13601. [PMID: 35423869 PMCID: PMC8697526 DOI: 10.1039/d1ra01690c] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 03/24/2021] [Indexed: 12/20/2022] Open
Abstract
Organocatalysis has emerged as one of the most important tools for the synthesis of diverse structural scaffolds, and has become one of the most important hot topics of current research. Construction of the pyrrole ring has gained much attention from the last few decades due to its remarkable biological activities, pharmaceutical application, intermediate in the synthesis of many natural products, and material science application. With access to these 5-membered aza heterocycles, organocatalytic approaches have provided a new alternative from the perspective of synthetic efficiency, as well as from the green chemistry point of view, and a vast array of synthetic procedures has been developed. Enlightened by the significance of this growing research area, we aim to describe the recent organocatalytic approaches developed for the construction of pyrroles, and organized them based on substrates employed.
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Affiliation(s)
- Biplob Borah
- School of Applied Material Sciences, Centre for Applied Chemistry, Central University of Gujarat Gandhinagar 382030 India
| | - Kartikey Dhar Dwivedi
- School of Applied Material Sciences, Centre for Applied Chemistry, Central University of Gujarat Gandhinagar 382030 India
| | - L Raju Chowhan
- School of Applied Material Sciences, Centre for Applied Chemistry, Central University of Gujarat Gandhinagar 382030 India
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5
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Nguyen HT, Ngo DKT, Chau KDN, Tran PH. Imidazolium Triflate Ionic Liquid Improves the Activity of ZnCl 2 in the Synthesis of Pyrroles and Ketones. ORG PREP PROCED INT 2021. [DOI: 10.1080/00304948.2020.1868910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Hai Truong Nguyen
- Department of Organic Chemistry, Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam
- Vietnam National University, Ho Chi Minh City, Vietnam
| | | | - Khiem Duy Nguyen Chau
- Department of Organic Chemistry, Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam
- Vietnam National University, Ho Chi Minh City, Vietnam
| | - Phuong Hoang Tran
- Department of Organic Chemistry, Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam
- Vietnam National University, Ho Chi Minh City, Vietnam
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6
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Nazeri MT, Shaabani A. Synthesis of polysubstituted pyrroles via isocyanide-based multicomponent reactions as an efficient synthesis tool. NEW J CHEM 2021. [DOI: 10.1039/d1nj04514h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The present review covers all synthetic methods based on isocyanide-based multicomponent reactions for the preparation of polysubstituted pyrroles as the parent cores of many essential drugs, biologically active compounds, and compounds with wide application in materials science.
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Affiliation(s)
- Mohammad Taghi Nazeri
- Department of Organic Chemistry, Shahid Beheshti University, Daneshjou Boulevard Street, Tehran, 1983969411, Iran
| | - Ahmad Shaabani
- Department of Organic Chemistry, Shahid Beheshti University, Daneshjou Boulevard Street, Tehran, 1983969411, Iran
- Peoples’ Friendship University of Russia (RUDN University), 6, Miklukho-Maklaya Street, Moscow, 117198, Russian Federation
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8
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Naturally occurring organic acids for organocatalytic synthesis of pyrroles via Paal–Knorr reaction. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04260-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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9
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Abstract
:
Pyrrole derivatives are nitrogen-containing heterocyclic compounds and widely
distributed in a large number of natural and non-natural compounds. These compounds
possess a broad spectrum of biological activities such as anti-infammatory, antiviral, antitumor,
antifungal, and antibacterial activities. Besides their biological activity, pyrrole derivatives
have also been applied in various areas such as dyes, conducting polymers, organic
semiconductors.
:
Due to such a wide range of applicability, access to this class of compounds has attracted
intensive research interest. Various established synthetic methods such as Paal-Knorr,
Huisgen, and Hantzsch have been modified and improved. In addition, numerous novel
methods for pyrrole synthesis have been discovered. This review will focus on considerable
studies on the synthesis of pyrroles, which date back from 2014.
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Affiliation(s)
- Duc Dau Xuan
- Department of Chemistry, Natural Science Education Institute, Vinh University, Vinh City, Vietnam
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10
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Huang W, Chen S, Chen Z, Yue M, Li M, Gu Y. Synthesis of Multisubstituted Pyrroles from Enolizable Aldehydes and Primary Amines Promoted by Iodine. J Org Chem 2019; 84:5655-5666. [DOI: 10.1021/acs.joc.9b00596] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Wenbo Huang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Material Chemistry and Service Failure, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Shaomin Chen
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Material Chemistry and Service Failure, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Zhiyan Chen
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Material Chemistry and Service Failure, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Meie Yue
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 266042 Qingdao, China
| | - Minghao Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Material Chemistry and Service Failure, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Yanlong Gu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Material Chemistry and Service Failure, Huazhong University of Science and Technology, 430074 Wuhan, China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, 730000 Lanzhou, China
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11
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Zarganes-Tzitzikas T, Neochoritis CG, Dömling A. Atorvastatin (Lipitor) by MCR. ACS Med Chem Lett 2019; 10:389-392. [PMID: 30891146 PMCID: PMC6421582 DOI: 10.1021/acsmedchemlett.8b00579] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 02/07/2019] [Indexed: 12/24/2022] Open
Abstract
![]()
A concise and convergent synthesis
of the atorvastatin, the best-selling cardiovascular drug of all time,
is presented. Our approach is based on an Ugi reaction, which shortens
the current synthetic route and is advantageous over the published
syntheses.
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Affiliation(s)
- Tryfon Zarganes-Tzitzikas
- Department of Pharmacy, Drug Design group, University of Groningen, A. Deusinglaan 1, Groningen 9700 AV, The Netherlands
| | - Constantinos G. Neochoritis
- Department of Pharmacy, Drug Design group, University of Groningen, A. Deusinglaan 1, Groningen 9700 AV, The Netherlands
| | - Alexander Dömling
- Department of Pharmacy, Drug Design group, University of Groningen, A. Deusinglaan 1, Groningen 9700 AV, The Netherlands
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12
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Nguyen HT, Thuy Nguyen LH, Le Hoang Doan T, Tran PH. A mild and efficient method for the synthesis of pyrroles using MIL-53(Al) as a catalyst under solvent-free sonication. RSC Adv 2019; 9:9093-9098. [PMID: 35517685 PMCID: PMC9062010 DOI: 10.1039/c9ra01071h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 03/11/2019] [Indexed: 01/11/2023] Open
Abstract
A highly efficient method for the synthesis of pyrroles using MIL-53(Al) as a catalyst has been developed under solvent-free sonication. This reaction has a broad substrate scope and high yields were obtained within a short reaction time. Remarkably, no additional additives and volatile organic solvent are required for this method and the MIL-53(Al) could be recovered and reused several times without significant drop-off in catalytic activity. Catalytic activity of MIL-53(Al) in the synthesis of pyrroles under solvent-free sonication.![]()
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Affiliation(s)
- Hai Truong Nguyen
- Faculty of Chemistry
- University of Science
- Vietnam National University – Ho Chi Minh City
- Vietnam
| | - Linh Ho Thuy Nguyen
- Faculty of Chemistry
- University of Science
- Vietnam National University – Ho Chi Minh City
- Vietnam
- Center for Innovative Materials and Architectures
| | - Tan Le Hoang Doan
- Faculty of Chemistry
- University of Science
- Vietnam National University – Ho Chi Minh City
- Vietnam
- Center for Innovative Materials and Architectures
| | - Phuong Hoang Tran
- Faculty of Chemistry
- University of Science
- Vietnam National University – Ho Chi Minh City
- Vietnam
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13
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Kondoh A, Iino A, Ishikawa S, Aoki T, Terada M. Efficient Synthesis of Polysubstituted Pyrroles Based on [3+2] Cycloaddition Strategy Utilizing [1,2]‐Phospha‐Brook Rearrangement under Brønsted Base Catalysis. Chemistry 2018; 24:15246-15253. [DOI: 10.1002/chem.201803809] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 08/16/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Azusa Kondoh
- Research and Analytical Center for Giant MoleculesGraduate School of ScienceTohoku University Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Akio Iino
- Department of ChemistryGraduate School of ScienceTohoku University Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Sho Ishikawa
- Department of ChemistryGraduate School of ScienceTohoku University Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Takuma Aoki
- Department of ChemistryGraduate School of ScienceTohoku University Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Masahiro Terada
- Department of ChemistryGraduate School of ScienceTohoku University Aramaki Aoba-ku Sendai 980-8578 Japan
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14
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Azad I, Hassan F, `Saquib M, Ahmad N, Rahman Khan A, G.Al-Sehemi A, Nasibullah M. A Critical Review on Advances in the Multicomponent Synthesis of Pyrroles. ACTA ACUST UNITED AC 2018. [DOI: 10.13005/ojc/340401] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Nitrogen containing heterocyclic compounds are biologically significant molecules. This is especially true for pyrrole a five membered nitrogen containing aromatic molecule, which is present as a key structural motif in a large number of drugs and lead molecules. This review aims to provide an overview of the multi-component reaction (MCR) based methodologies used for the synthesis of pyrrole and its derivatives, focusing particularly on eco-friendly methods that avoid the use of hazardous reagents, solvents and catalysts are deemed especially relevant to the disciplines of medicinal chemistry and drug discovery.
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Affiliation(s)
- Iqbal Azad
- Department of Chemistry, Integral University, Lucknow-226026, India
| | - Firoj Hassan
- Department of Chemistry, Integral University, Lucknow-226026, India
| | - Mohammad `Saquib
- Department of Chemistry, Faculty of Science, King Khalid University P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Naseem Ahmad
- Department of Chemistry, Integral University, Lucknow-226026, India
| | | | - Abdillah G.Al-Sehemi
- Department of Chemistry, Faculty of Science, King Khalid University P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Malik Nasibullah
- Department of Chemistry, Integral University, Lucknow-226026, India
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15
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Zhu J, Fang S, Sun K, Fang C, Lu T, Du D. N-Heterocyclic Carbene-Catalyzed Formal Conjugate Hydroacylation: An Atom-Economic Synthesis of 1H-Indol-3-yl Esters. J Org Chem 2018; 83:10430-10435. [DOI: 10.1021/acs.joc.8b01488] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Jindong Zhu
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Shuaishuai Fang
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Kewen Sun
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Chao Fang
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Tao Lu
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Ding Du
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
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16
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Nishida Y, Takeda N, Matsuno K, Miyata O, Ueda M. Acylative Coupling of Amine and Indole Using Chloroform as a Carbonyl Group. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800571] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yuika Nishida
- Kobe Pharmaceutical University; Motoyamakita, Higashinada 658-8558 Kobe Japan
| | - Norihiko Takeda
- Kobe Pharmaceutical University; Motoyamakita, Higashinada 658-8558 Kobe Japan
| | - Kenji Matsuno
- Department of Chemistry and Life Science; Kogakuin University; Nakano, Hachi-oji 192-0015 Tokyo Japan
| | - Okiko Miyata
- Kobe Pharmaceutical University; Motoyamakita, Higashinada 658-8558 Kobe Japan
| | - Masafumi Ueda
- Kobe Pharmaceutical University; Motoyamakita, Higashinada 658-8558 Kobe Japan
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17
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Microwave-induced calcium(II) chloride-catalyzed Paal–Knorr pyrrole synthesis: a safe, expeditious, and sustainable protocol. RESEARCH ON CHEMICAL INTERMEDIATES 2018. [DOI: 10.1007/s11164-018-3355-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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18
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Xie Y, Wang J. N-Heterocyclic carbene-catalyzed annulation of ynals with amidines: access to 1,2,6-trisubstituted pyrimidin-4-ones. Chem Commun (Camb) 2018; 54:4597-4600. [DOI: 10.1039/c8cc02023j] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A thiazolium-catalyzed annulation of ynals and amidines has been reported to construct pyrimidin-4-ones.
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Affiliation(s)
- Yangxi Xie
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
| | - Jian Wang
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
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19
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Gillbard SM, Chung CH, Karad SN, Panchal H, Lewis W, Lam HW. Synthesis of multisubstituted pyrroles by nickel-catalyzed arylative cyclizations of N-tosyl alkynamides. Chem Commun (Camb) 2018; 54:11769-11772. [PMID: 30276371 DOI: 10.1039/c8cc06649c] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The synthesis of multisubstituted pyrroles by the nickel-catalyzed reaction of N-tosyl alkynamides with arylboronic acids is reported.
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Affiliation(s)
- Simone M. Gillbard
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry
- University of Nottingham
- Jubilee Campus
- Triumph Road
- Nottingham
| | - Chieh-Hsu Chung
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry
- University of Nottingham
- Jubilee Campus
- Triumph Road
- Nottingham
| | - Somnath Narayan Karad
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry
- University of Nottingham
- Jubilee Campus
- Triumph Road
- Nottingham
| | - Heena Panchal
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry
- University of Nottingham
- Jubilee Campus
- Triumph Road
- Nottingham
| | - William Lewis
- School of Chemistry
- University of Nottingham
- University Park
- Nottingham
- UK
| | - Hon Wai Lam
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry
- University of Nottingham
- Jubilee Campus
- Triumph Road
- Nottingham
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Nguyen HT, Thi Le NP, Nguyen Chau DK, Tran PH. New nano-Fe3O4-supported Lewis acidic ionic liquid as a highly effective and recyclable catalyst for the preparation of benzoxanthenes and pyrroles under solvent-free sonication. RSC Adv 2018; 8:35681-35688. [PMID: 35547886 PMCID: PMC9087937 DOI: 10.1039/c8ra04893b] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 10/10/2018] [Indexed: 11/24/2022] Open
Abstract
A novel magnetic nanomaterial-immobilized Lewis acidic ionic liquid was successfully synthesized by the covalent embedding of 3-(3-(trimethoxysilyl)propyl)-1H-imidazol-3-ium chlorozincate (ii) ionic liquid to the surface of Fe3O4 nanoparticles. The material was then characterized by FT-IR, SEM, TEM, TGA, ICP-OES, Raman, and EDS. Its performance as a new-generation Lewis acidic catalyst was also examined on the ultrasound-mediated synthesis of benzoxanthenes and pyrroles. Upon completion, the catalyst was simply recovered by an external magnet for multiple reuses without significant lessening of catalytic performance. A novel magnetically separable catalyst can be used as a green solid Lewis acid catalyst in the synthesis of benzoxanthenes and pyrroles under solvent-free sonication.![]()
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Affiliation(s)
- Hai Truong Nguyen
- Department of Organic Chemistry
- Faculty of Chemistry
- University of Science
- Viet Nam National University
- Ho Chi Minh City 721337
| | - Ngoc-Phuong Thi Le
- Department of Organic Chemistry
- Faculty of Chemistry
- University of Science
- Viet Nam National University
- Ho Chi Minh City 721337
| | - Duy-Khiem Nguyen Chau
- Department of Organic Chemistry
- Faculty of Chemistry
- University of Science
- Viet Nam National University
- Ho Chi Minh City 721337
| | - Phuong Hoang Tran
- Department of Organic Chemistry
- Faculty of Chemistry
- University of Science
- Viet Nam National University
- Ho Chi Minh City 721337
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Di Carmine G, Ragno D, De Risi C, Bortolini O, Giovannini PP, Fantin G, Massi A. Synthesis of functionalized imidazolidine-2-thiones via NHC/base-promoted aza-benzoin/aza-acetalization domino reactions. Org Biomol Chem 2017; 15:8788-8801. [DOI: 10.1039/c7ob02259j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Benzylidene thioureas were generated in situ from α-sulfonylamines and used as novel umpolung acceptors in aza-benzoin/aza-acetalization domino reactions giving 5-hydroxy-imidazolidine-2-thiones.
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Affiliation(s)
- Graziano Di Carmine
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università di Ferrara
- I-44121 Ferrara
- Italy
| | - Daniele Ragno
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università di Ferrara
- I-44121 Ferrara
- Italy
| | - Carmela De Risi
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università di Ferrara
- I-44121 Ferrara
- Italy
| | - Olga Bortolini
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università di Ferrara
- I-44121 Ferrara
- Italy
| | - Pier Paolo Giovannini
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università di Ferrara
- I-44121 Ferrara
- Italy
| | - Giancarlo Fantin
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università di Ferrara
- I-44121 Ferrara
- Italy
| | - Alessandro Massi
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università di Ferrara
- I-44121 Ferrara
- Italy
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