1
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A Catalyst‐ and Solvent‐ Free Synthesis of Tetra‐Substituted Pyrroles by Multicomponent Reaction. ChemistrySelect 2023. [DOI: 10.1002/slct.202204564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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2
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Kokuev AO, Sukhorukov AY. Michael addition of P-nucleophiles to azoalkenes provides simple access to phosphine oxides bearing an alkylhydrazone moiety. Front Chem 2023; 11:1177680. [PMID: 37123875 PMCID: PMC10133514 DOI: 10.3389/fchem.2023.1177680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 03/27/2023] [Indexed: 05/02/2023] Open
Abstract
β-Hydrazonophosphine oxides are precursors of useful organophosphorus compounds, including phosphorylated N-heterocycles, α-aminophosphonates, and vinylphosphonates. In this work, a general transition metal-free synthesis of β-hydrazonophosphine oxides was developed. The method relies on the Michael addition of phosphine oxides R2P(O)H to reactive azoalkenes (1,2-diaza-1,3-butadienes), which are generated in situ from α-halohydrazones and Hunig's base. The reaction stereoselectively leads to Z-isomers of β-hydrazonophosphine oxides that are stabilized by intramolecular hydrogen bonding. The conversion of the products thus obtained into potential chelating ligands was showcased.
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3
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Cariello Silva G, de Souza GFP, Salles AG. Catalytic redox-neutral C-H functionalisation with TEMPO in water to access aminomethyl-substituted pyrroles. Org Biomol Chem 2022; 20:3495-3500. [PMID: 35416824 DOI: 10.1039/d2ob00574c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A redox-neutral C-H functionalisation in water employing catalytic TEMPO to synthesize aminomethyl-substituted pyrroles is reported. Starting from cheap and commercial chemical feedstocks (ketoesters and anilines), our approach delivered targeted products in good yields and represents an endeavour to address redox economy in radical transformations.
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Affiliation(s)
- Guilherme Cariello Silva
- Department of Organic Chemistry, Institute of Chemistry, University of Campinas, P.O. Box 6154, Campinas, SP 13084-862, Brazil.
| | - Gabriela F P de Souza
- Department of Organic Chemistry, Institute of Chemistry, University of Campinas, P.O. Box 6154, Campinas, SP 13084-862, Brazil.
| | - Airton G Salles
- Department of Organic Chemistry, Institute of Chemistry, University of Campinas, P.O. Box 6154, Campinas, SP 13084-862, Brazil.
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4
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Meshkatalsadat MH, Mahmoudi A, Lotfi S, Pouramiri B, Foroumadi A. Green and four-component cyclocondensation synthesis and in silico docking of new polyfunctionalized pyrrole derivatives as the potential anticholinesterase agents. Mol Divers 2022; 26:3021-3035. [PMID: 35034271 DOI: 10.1007/s11030-021-10362-9] [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: 09/29/2021] [Accepted: 12/03/2021] [Indexed: 11/25/2022]
Abstract
Synthesis of new substituted pyrrole scaffolds containing substituted thiadiazol-2-amine moiety was successfully developed through one-pot and multi-component tandem condensation reaction utilizing of triethyl ammonium hydrogen sulfate ([Et3NH][HSO4]) ionic liquid as a green media under solvent-free conditions. The chemical structures of all newly synthesized compounds were fully characterized by spectroscopic methods (IR, 1H NMR, 13C NMR) and elemental analyzes. The molecular docking studies were also performed to predict the possible binding sites of the derivatives on the active site gorge of cholinesterase enzymes (AChE and BuChE). The results showed that all the seventeen derivatives interact with the enzymes with high affinity and among them 7d and 7f possess the greatest ability to bind to AChE and BuChE, respectively.
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Affiliation(s)
| | - Ahmad Mahmoudi
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Safa Lotfi
- Department of Biotechnology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
| | - Behjat Pouramiri
- Department of Chemistry, Faculty of Science, Qom University of Technology, 37195, Qom, Iran.
| | - Alireza Foroumadi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
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5
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Mizota I, Nakamura Y, Mizutani S, Mizukoshi N, Terasawa S, Shimizu M. Highly Selective Synthesis of α-Aminoamide Utilizing an Umpolung Reaction and Characteristics of α-Hydrazonoester. Org Lett 2021; 23:4168-4172. [PMID: 34014099 DOI: 10.1021/acs.orglett.1c01117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An umpolung reaction with α-hydrazonoesters was investigated, and it was found that α-N,N-dialkylaminoamides could be directly synthesized in yields up to 92% via a concomitant rearrangement of dialkylamino groups. As an application, a short synthesis of an inhibitor of glycine type-1-transporter was accomplished via subsequent functional group transformations in 28% overall yield.
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Affiliation(s)
- Isao Mizota
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan
| | - Yusuke Nakamura
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan
| | - Shunsuke Mizutani
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan
| | - Nanami Mizukoshi
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan
| | - Shunya Terasawa
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan
| | - Makoto Shimizu
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan.,School of Energy Science and Engineering College, Nanjing Tech University, Nanjing, Jiangsu 211816, China
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6
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Mamedov VA, Khafizova EA, Algaeva NE, Latypov SK, Sinyashin OG. Acid-Catalyzed Multicomponent Rearrangements via 2-((Quinoxalin-3(4 H)-on-2-yl)(aryl)methylene)malononitriles, Generated In Situ, for Divergent Synthesis of Pyrroles with Different Substitution Patterns. J Org Chem 2020; 85:9887-9904. [PMID: 32588636 DOI: 10.1021/acs.joc.0c01180] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
New three-component domino reactions, providing divergent approaches to multifunctionalized pyrroles with different substitution patterns, have been established (47 examples). In this work, a new rearrangement of quinoxalinones with the participation of the in situ-generated 2-en-1-imine moiety of the substituent at C3 makes it possible to construct two new heterocyclic systems, namely, a benzimidazolone and a pyrrole, simultaneously under one-pot reaction conditions. The reaction is easy to perform simply by mixing three common reactants of acetic acid with heating. Secondary amines or primary alcohols as the third component of the reaction, along with quinoxalin-3(4H)-ones and malononitrile, not only initiate the rearrangement but also are responsible for the nature of substituents at position 5 of the pyrrole ring in the newly formed new biheterocyclic system. The reaction proceeds smoothly and can be finished within 7 h, which makes workup convenient to give up to 97% chemical yields.
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Affiliation(s)
- Vakhid A Mamedov
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Elena A Khafizova
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Nataliya E Algaeva
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Shamil K Latypov
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Oleg G Sinyashin
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
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7
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Dhanasekar E, Kannan T, Venkatesan R, Perumal PT, Kamalraja J. Metal-Free and Regioselective Synthesis of Substituted and Fused Chromenopyrrole Scaffolds via the Divergent Reactivity of α-Azido Ketones in Water. J Org Chem 2020; 85:9631-9649. [PMID: 32628472 DOI: 10.1021/acs.joc.0c00978] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A green and simple approach was developed for the regioselective synthesis of structurally diverse chromenopyrrole frameworks from 3-formylchromones, active methylenes, and α-azido ketones using piperidine as a catalyst in the aqueous medium through a tandem one-pot multicomponent reaction. Further, the synthesized pyrrole framework was successfully converted into biologically significant 6-azaindole derivatives in a simple synthetic transformation. An exciting feature of this synthetic protocol is that the reaction mechanism and formation of the products depend on the nature of the active methylene used. This approach has several advantages such as a transition-metal-free catalyst, a short reaction time, easy separation, an excellent yield, practically simple execution, high regioselectivity, very good atom economy, low E-factor, and no requirement of toxic solvents and chromatographic purification.
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Affiliation(s)
- Elumalai Dhanasekar
- Department of Chemistry, Pondicherry University, R.V. Nagar, Kalapet, Puducherry 605014, India
| | - Tharanikkarasu Kannan
- Department of Chemistry, Pondicherry University, R.V. Nagar, Kalapet, Puducherry 605014, India
| | - Rengarajan Venkatesan
- Department of Chemistry, Pondicherry University, R.V. Nagar, Kalapet, Puducherry 605014, India
| | | | - Jayabal Kamalraja
- Department of Chemistry, Pondicherry University, R.V. Nagar, Kalapet, Puducherry 605014, India
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8
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Khafizova LO, Shaibakova MG, Rikhter NA, Tyumkina TV, Dzhemilev UM. One-pot synthesis of 2,3,5-substituted 1H-pyrroles via the reaction of terminal acetylenes with nitriles and EtAlCl2 catalyzed by Сp2TiCl2. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.01.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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9
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Zhang M, Di X, Zhang M, Zhang J. Gold(I)-Catalyzed Diastereo- and Enantioselective Synthesis of Polysubstituted Pyrrolo[3,4-d
][1,2]oxazines. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201700575] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Mei Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry; East China Normal University, 3663 N, Zhongshan Road; Shanghai 200062 China
| | - Xiaoyu Di
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry; East China Normal University, 3663 N, Zhongshan Road; Shanghai 200062 China
| | - Mingrui Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry; East China Normal University, 3663 N, Zhongshan Road; Shanghai 200062 China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry; East China Normal University, 3663 N, Zhongshan Road; Shanghai 200062 China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences; Shanghai 200032 China
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10
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Mondal A, Mukhopadhyay C. Silver-Induced Cα
(sp3
)-H Activation of Benzylamines Followed by [1,5]- versus [1,3]-Rearrangement: A Strategy towards the Regioselective Synthesis of Spiro-Dihydropyrroles. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701103] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Animesh Mondal
- Department of Chemistry; University of Calcutta; 92 APC Road 700009 Kolkata India
| | - Chhanda Mukhopadhyay
- Department of Chemistry; University of Calcutta; 92 APC Road 700009 Kolkata India
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11
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Pagadala R, Anugu S. Synthesis of Polyfunctionalized Pyrroles via
Green Chemical Methods. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.3022] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ramakanth Pagadala
- Department for Management of Science and Technology Development; Ton Duc Thang University; Ho Chi Minh City Vietnam
- Faculty of Applied Sciences; Ton Duc Thang University; Ho Chi Minh City Vietnam
| | - Sreenivasa Anugu
- Medicinal Chemistry Division; GVK Biosciences Pvt Ltd; Hyderabad Telangana 500076 India
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12
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Dendritic Amine on Mesoporous Silica: First Organo Base Catalyst for Paal Knorr Reaction under Solvent Free Condition, A green approach. Catal Letters 2017. [DOI: 10.1007/s10562-017-1975-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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Naganagowda G, Mahlaka TJ, Meijboom R. Crystal structure of methyl-2-methyl-4-(2-oxo-2-phenylethyl)-5-phenyl-1 H-pyrrole-3-carboxylate, C 21H 19NO 3. Z KRIST-NEW CRYST ST 2017. [DOI: 10.1515/ncrs-2016-0149] [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
C21H19NO3, monoclinic, P21/n (no. 14), a = 10.137(2) Å, b = 12.3205(18) Å, c = 14.700(3) Å, β = 106.432(1)°, V = 1760.9(6) Å3, Z = 4, R
gt(F) = 0.0511, wR
ref(F
2) = 0.1808, T = 293 K.
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Affiliation(s)
- Gadada Naganagowda
- Research Centre for Synthesis and Catalysis, Department of Chemistry, University of Johannesburg, P.O. Box 524, Auckland Park, Johannesburg 2006, South Africa
| | - Thabo Joel Mahlaka
- Research Centre for Synthesis and Catalysis, Department of Chemistry, University of Johannesburg, P.O. Box 524, Auckland Park, Johannesburg 2006, South Africa
| | - Reinout Meijboom
- Research Centre for Synthesis and Catalysis, Department of Chemistry, University of Johannesburg, P.O. Box 524, Auckland Park, Johannesburg 2006, South Africa
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14
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Estévez V, Sridharan V, Sabaté S, Villacampa M, Menéndez JC. Three-Component Synthesis of Pyrrole-Related Nitrogen Heterocycles by a Hantzsch-Type Process: Comparison between Conventional and High-Speed Vibration Milling Conditions. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600061] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Verónica Estévez
- Departmento de Química Orgánica y Farmacéutica; Facultad de Farmacia; Universidad Complutense; Plaza de Ramón y Cajal, s.n. 28040 Madrid Spain
| | - Vellaisamy Sridharan
- Departmento de Química Orgánica y Farmacéutica; Facultad de Farmacia; Universidad Complutense; Plaza de Ramón y Cajal, s.n. 28040 Madrid Spain
- Department of Chemistry; School of Chemical and Biotechnology; SASTRA University; Thanjavur 613401 Tamil Nadu India
| | - Sònia Sabaté
- Departmento de Química Orgánica y Farmacéutica; Facultad de Farmacia; Universidad Complutense; Plaza de Ramón y Cajal, s.n. 28040 Madrid Spain
| | - Mercedes Villacampa
- Departmento de Química Orgánica y Farmacéutica; Facultad de Farmacia; Universidad Complutense; Plaza de Ramón y Cajal, s.n. 28040 Madrid Spain
| | - J. Carlos Menéndez
- Departmento de Química Orgánica y Farmacéutica; Facultad de Farmacia; Universidad Complutense; Plaza de Ramón y Cajal, s.n. 28040 Madrid Spain
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15
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Yang X, Wang Y, Hu F, Kan X, Yang C, Liu J, Liu P, Zhang Q. Base-promoted intramolecular cyclization of N-alkyl, N-propargylic β-enaminones for the synthesis of polysubstituted pyrroles. RSC Adv 2016. [DOI: 10.1039/c6ra14897b] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
An efficient, mild, metal-free, base-mediated intramolecular cyclization of N-alkyl, N-propargylic β-enaminones has been realized for the generation of polysubstituted pyrrole derivatives.
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Affiliation(s)
- Xiaobing Yang
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Yang Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Fangzhong Hu
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Xiaoli Kan
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Chiming Yang
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Jiahui Liu
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Pei Liu
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Qichun Zhang
- School of Materials Science Engineering
- Nanyang Technological University
- Singapore 637371
- Singapore
- Division of Chemistry and Biological Chemistry
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16
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Yu W, Zhang W, Liu Y, Zhou Y, Liu Z, Zhang Y. Cobalt(iii)-catalyzed synthesis of pyrroles from enamides and alkynes. RSC Adv 2016. [DOI: 10.1039/c6ra01992g] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
An efficient and regioselective cobalt-catalyzed synthesis of multi-substituted pyrroles is reported by the use of readily available enamides and alkynes.
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Affiliation(s)
- Wenlong Yu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Wei Zhang
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Yue Liu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Yougui Zhou
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Zhanxiang Liu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Yuhong Zhang
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
- State Key Laboratory of Applied Organic Chemistry
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17
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Haghdadi M, Abaszade A, Abadian L, Nab N, Bosra HG. A theoretical study on the hetero-Diels–Alder reaction of phosphorous substituted diaza- and oxaza-alkenes with olefins derivatives. RSC Adv 2016. [DOI: 10.1039/c6ra15496d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
DFT studies indicated that a hetero-Diels–Alder reaction of 4-phosphinyl and 4-phosphonyl-1,2-diaza- and 1,2-oxaza-1,3-butadienes with some olefins take place via an asynchronous concerted mechanism through endo or exo transition states.
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Affiliation(s)
- M. Haghdadi
- Department of Chemistry
- Islamic Azad University
- Babol
- Iran
| | - A. Abaszade
- Department of Chemistry
- Islamic Azad University
- Babol
- Iran
| | - L. Abadian
- Department of Chemistry
- Islamic Azad University
- Babol
- Iran
| | - N. Nab
- Department of Chemistry
- Islamic Azad University
- Babol
- Iran
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18
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Sha Q, Arman H, Doyle MP. Three-Component Cascade Reactions with 2,3-Diketoesters: A Novel Metal-Free Synthesis of 5-Vinyl-pyrrole and 4-Hydroxy-indole Derivatives. Org Lett 2015; 17:3876-9. [DOI: 10.1021/acs.orglett.5b01855] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Qiang Sha
- School
of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. of China
- Department
of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Hadi Arman
- Department
of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Michael P. Doyle
- Department
of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
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19
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Unique chemoselective Paal-Knorr reaction catalyzed by MgI2 etherate under solvent-free conditions. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.03.035] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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20
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Kalmode HP, Vadagaonkar KS, Murugan K, Chaskar AC. A multicomponent pathway-inspired regioselective synthesis of 2,3,4-trisubstituted 1H-pyrroles via [3+2] cycloaddition reaction. NEW J CHEM 2015. [DOI: 10.1039/c5nj00302d] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
An operationally simple, functional group tolerant and highly efficient domino protocol for the synthesis of pyrroles has been developed.
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Affiliation(s)
- Hanuman P. Kalmode
- Department of Dyestuff Technology
- Institute of Chemical Technology
- Mumbai 400019
- India
| | | | | | - Atul C. Chaskar
- Department of Dyestuff Technology
- Institute of Chemical Technology
- Mumbai 400019
- India
- National Taiwan University
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21
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Kalmode HP, Vadagaonkar KS, Murugan K, Prakash S, Chaskar AC. Deep eutectic solvent: a simple, environmentally benign reaction media for regioselective synthesis of 2,3,4-trisubstituted 1H-pyrroles. RSC Adv 2015. [DOI: 10.1039/c5ra03270a] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
A greener, rapid and highly efficient synthetic protocol for the construction of pyrroles has been achieved.
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Affiliation(s)
- Hanuman P. Kalmode
- Department of Dyestuff Technology
- Institute of Chemical Technology
- Mumbai 400019
- India
| | | | | | - Sattey Prakash
- National Centre for Nanosciences and Nanotechnology
- University of Mumbai
- Mumbai 400098
- India
| | - Atul C. Chaskar
- Department of Dyestuff Technology
- Institute of Chemical Technology
- Mumbai 400019
- India
- National Centre for Nanosciences and Nanotechnology
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22
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Zhang X, Huang L, Peng H, Ji F, Li X, Yin B. Access to fused pyrroles via the reaction of spiro-dienyl ethers with amines involving a chemoselective skeletal rearrangement. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.05.084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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23
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Mehrabi H, Anary-Abbasinejad M, Mirhashemi F. An efficient and convenient synthesis of pentasubstituted pyrroles from alkyl acetoacetates, dialkyl acetylenedicarboxylates, and amines. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.06.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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24
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Debrouwer W, Heugebaert TSA, Stevens CV. Preparation of Tetrasubstituted 3-Phosphonopyrroles through Hydroamination: Scope and Limitations. J Org Chem 2014; 79:4322-31. [DOI: 10.1021/jo500139z] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Wouter Debrouwer
- SynBioC Research Group, Department
of Sustainable Organic Chemistry and Technology, Faculty of Bioscience
Engineering, Ghent University, Coupure Links 653, B-9000 Gent, Belgium
| | - Thomas S. A. Heugebaert
- SynBioC Research Group, Department
of Sustainable Organic Chemistry and Technology, Faculty of Bioscience
Engineering, Ghent University, Coupure Links 653, B-9000 Gent, Belgium
| | - Christian V. Stevens
- SynBioC Research Group, Department
of Sustainable Organic Chemistry and Technology, Faculty of Bioscience
Engineering, Ghent University, Coupure Links 653, B-9000 Gent, Belgium
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25
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Kumar Maji P, Ul Islam R, Kumar Bera S. RECENT PROGRESS IN METAL ASSISTED MULTICOMPONENT SYNTHESES OF HETEROCYCLES. HETEROCYCLES 2014. [DOI: 10.3987/rev-13-781] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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26
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Khaghaninejad S, Heravi MM. Paal–Knorr Reaction in the Synthesis of Heterocyclic Compounds. ADVANCES IN HETEROCYCLIC CHEMISTRY 2014. [DOI: 10.1016/b978-0-12-420160-6.00003-3] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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27
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Madabhushi S, Vangipuram VS, Mallu KKR, Jillella R, Kurva S, Pamulaparthi SR. Ceric (IV) ammonium nitrate (CAN) mediated synthesis of pyrrole-2,3,4,5-tetracarboxylates by reaction of dimethyl acetylenedicarboxylate with an amine. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.09.128] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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28
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Modular CeCl3·7H2O-catalyzed multi-component synthesis of 1,2,3,4-tetrasubstituted pyrroles under microwave irradiation and their further trichloroisocyanuric acid-mediated conversion into 5-sulfenylpyrrole derivatives. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.08.035] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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29
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Gulevich AV, Dudnik AS, Chernyak N, Gevorgyan V. Transition metal-mediated synthesis of monocyclic aromatic heterocycles. Chem Rev 2013; 113:3084-213. [PMID: 23305185 PMCID: PMC3650130 DOI: 10.1021/cr300333u] [Citation(s) in RCA: 803] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Anton V. Gulevich
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, 4500 SES, M/C 111, Chicago, Illinois 60607-7061
| | - Alexander S. Dudnik
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, 4500 SES, M/C 111, Chicago, Illinois 60607-7061
| | - Natalia Chernyak
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, 4500 SES, M/C 111, Chicago, Illinois 60607-7061
| | - Vladimir Gevorgyan
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, 4500 SES, M/C 111, Chicago, Illinois 60607-7061
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30
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Murugan K, Liu ST. Preparation of substituted pyrroles via Ru(II)-catalyzed coupling of alkynes with enamides. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.03.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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31
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Feng X, Wang Q, Lin W, Dou GL, Huang ZB, Shi DQ. Highly Efficient Synthesis of Polysubstituted Pyrroles via Four-Component Domino Reaction. Org Lett 2013; 15:2542-5. [PMID: 24490761 DOI: 10.1021/ol4010382] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xian Feng
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China, and School of Safety Engineering, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Qian Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China, and School of Safety Engineering, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Wei Lin
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China, and School of Safety Engineering, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Guo-Lan Dou
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China, and School of Safety Engineering, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Zhi-Bin Huang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China, and School of Safety Engineering, China University of Mining & Technology, Xuzhou 221116, P. R. China
| | - Da-Qing Shi
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China, and School of Safety Engineering, China University of Mining & Technology, Xuzhou 221116, P. R. China
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32
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[3+2] Cycloadditions of α-acyl ketene dithioacetals with propargylamines: pyrrole synthesis in water. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.01.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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33
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Rahmatpour A. Polystyrene-supported GaCl3 as a highly efficient and recyclable heterogeneous Lewis acid catalyst for one-pot synthesis of N-substituted pyrroles. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.03.025] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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34
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Madabhushi S, Vangipuram VS, Mallu KKR, Chinthala N, Beeram CR. Europium(III) Triflate-Catalyzed Trofimov Synthesis of Polyfunctionalized Pyrroles. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201200036] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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35
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Zhang YQ, Zhu DY, Li BS, Tu YQ, Liu JX, Lu Y, Wang SH. Palladium-Catalyzed Cascade Process To Construct 1,2,5-Trisubstituted Pyrroles. J Org Chem 2012; 77:4167-70. [DOI: 10.1021/jo300374v] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Yong-Qiang Zhang
- State Key Laboratory of Applied Organic Chemistry and College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Dao-Yong Zhu
- State Key Laboratory of Applied Organic Chemistry and College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Bao-Sheng Li
- State Key Laboratory of Applied Organic Chemistry and College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yong-Qiang Tu
- State Key Laboratory of Applied Organic Chemistry and College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Ji-Xin Liu
- State Key Laboratory of Applied Organic Chemistry and College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yong Lu
- State Key Laboratory of Applied Organic Chemistry and College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Shao-Hua Wang
- State Key Laboratory of Applied Organic Chemistry and College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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36
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Chen W, Shao J, Li Z, Giulianotti MA, Yu Y. Synthesis of 2,3,4-trisubstituted pyrroles via a facile reaction of vinyl azides and tosylmethyl isocyanide. CAN J CHEM 2012. [DOI: 10.1139/v11-150] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A facile synthesis of polysubstituted pyrroles from tosylmethyl isocyanide (TOSMIC) and readily synthesized vinyl azides was developed. The reaction proceeded under mild conditions in the presence of base. 2-Tosyl-substituted pyrroles were obtained in moderate to good isolated yields. Additionally, a base-initiated one-pot pyrrole synthesis also was developed using carboxaldehydes, ethyl 2-azidoacetate, and TOSMIC.
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Affiliation(s)
- Wenteng Chen
- Institute of Materia Medica, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, P.R. China
| | - Jiaan Shao
- Institute of Materia Medica, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, P.R. China
| | - Zhi Li
- Institute of Materia Medica, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, P.R. China
| | - Marc A. Giulianotti
- Torrey Pines Institute for Molecular Studies, 11350 Village Parkway, Port St. Lucie, FL 34987, USA
| | - Yongping Yu
- Institute of Materia Medica, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, P.R. China
- Torrey Pines Institute for Molecular Studies, 11350 Village Parkway, Port St. Lucie, FL 34987, USA
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37
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Teimouri A, Chermahini AN. One-pot Green Synthesis of Pyrrole Derivatives Catalyzed by Nano Sulfated Zirconia as a Solid Acid Catalyst. CHINESE J CHEM 2012. [DOI: 10.1002/cjoc.201100143] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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38
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Reddy CR, Reddy MD, Srikanth B. Phosphine-mediated cascade reaction of azides with MBH-acetates of acetylenic aldehydes to substituted pyrroles: a facile access to N-fused pyrrolo-heterocycles. Org Biomol Chem 2012; 10:4280-8. [DOI: 10.1039/c2ob25272d] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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39
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Cal D, Zagórski P. Synthesis of Phosphorylated Enaminoketones and Their Application in the Preparation of Trifluoromethyl-Functionalized 2-Phosphonopyrroles. PHOSPHORUS SULFUR 2011. [DOI: 10.1080/10426507.2011.590168] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Dariusz Cal
- a Department of Organic and Applied Chemistry , University of Łódź , Łódź, Poland
| | - Piotr Zagórski
- a Department of Organic and Applied Chemistry , University of Łódź , Łódź, Poland
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40
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Zhang C, Wang J, Li JH. Infrared heat aided solid state synthesis of pyrroles from 1,4-diketones and ammonium acetate. J Heterocycl Chem 2011. [DOI: 10.1002/jhet.744] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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41
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Satyanarayana VSV, Sivakumar A. Ultrasound-assisted synthesis of 2,5-dimethyl-N-substituted pyrroles catalyzed by uranyl nitrate hexahydrate. ULTRASONICS SONOCHEMISTRY 2011; 18:917-922. [PMID: 21419686 DOI: 10.1016/j.ultsonch.2011.02.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2010] [Revised: 02/04/2011] [Accepted: 02/06/2011] [Indexed: 05/30/2023]
Abstract
An efficient synthesis of different novel 2,5-dimethyl-N-substituted pyrrole derivatives by the Paal-Knorr condensation has been accomplished using uranyl nitrate hexahydrate as catalyst under soft conditions and ultrasonic irradiation. The synthesized compounds were confirmed through spectral characterization using IR, (1)H NMR, (13)C NMR and mass spectra.
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Affiliation(s)
- V S V Satyanarayana
- Chemistry Division, School of Advanced Sciences, VIT University, Vellore, India
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42
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Hong D, Zhu Y, Li Y, Lin X, Lu P, Wang Y. Three-component synthesis of polysubstituted pyrroles from α-diazoketones, nitroalkenes, and amines. Org Lett 2011; 13:4668-71. [PMID: 21830767 DOI: 10.1021/ol201891r] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Polysubstituted pyrroles are regiospecifically synthesized via the copper-catalyzed three-component reaction of α-diazoketones, nitroalkenes, and amines under aerobic conditions. The cascade process involves an N-H insertion of carbene, a copper-catalyzed oxidative dehydrogenation of amine, and a [3 + 2] cycloaddition of azomethine ylide.
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Affiliation(s)
- Deng Hong
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
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43
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Affiliation(s)
- Javier Vicario
- a Departamento de Química Orgánica I, Facultad de Farmacia , Universidad del País Vasco , Vitoria , Spain
| | - Domitila Aparicio
- a Departamento de Química Orgánica I, Facultad de Farmacia , Universidad del País Vasco , Vitoria , Spain
| | - Francisco Palacios
- a Departamento de Química Orgánica I, Facultad de Farmacia , Universidad del País Vasco , Vitoria , Spain
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44
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Cellulose sulfuric acid as a biodegradable and recoverable solid acid catalyst for one pot synthesis of substituted pyrroles under solvent-free conditions at room temperature. REACT FUNCT POLYM 2011. [DOI: 10.1016/j.reactfunctpolym.2010.11.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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45
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Herath A, Cosford NDP. One-step continuous flow synthesis of highly substituted pyrrole-3-carboxylic acid derivatives via in situ hydrolysis of tert-butyl esters. Org Lett 2010; 12:5182-5. [PMID: 20964284 DOI: 10.1021/ol102216x] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The first one-step, continuous flow synthesis of pyrrole-3-carboxylic acids directly from tert-butyl acetoacetates, amines, and 2-bromoketones is reported. The HBr generated as a byproduct in the Hantzsch reaction was utilized in the flow method to hydrolyze the t-butyl esters in situ to provide the corresponding acids in a single microreactor. The protocol was used in the multistep synthesis of pyrrole-3-carboxamides, including two CB1 inverse agonists, directly from commercially available starting materials in a single continuous process.
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Affiliation(s)
- Ananda Herath
- Apoptosis and Cell Death Research Program & Conrad Prebys Center for Chemical Genomics, Sanford-Burnham Medical Research Institute, 10901 North Torrey Pines Road, La Jolla, California 92037, United States
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46
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Zhu Q, Jiang H, Li J, Liu S, Xia C, Zhang M. Concise and versatile multicomponent synthesis of multisubstituted polyfunctional dihydropyrroles. ACTA ACUST UNITED AC 2010; 11:685-96. [PMID: 19552380 DOI: 10.1021/cc900046f] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Tetra- and pentasubstituted polyfunctional dihydropyrroles have been concisely synthesized in high yields by two different processes of the one-pot multicomponent reactions (MCRs) of but-2-ynedioates 1, amines 2, and aldehydes 3 at room temperature or at 70 degrees C. The first one involves a domino hydroamination/nucleophilic addition/amidation-cyclization process and leads to the formation of tetrasubstituted polyfunctional dihydropyrroles 4. The second undergoes hydroamination/amidation/intramolecular cyclization/imine-enamine tautomerization sequence and results in pentasubstituted products 5. The structures of 4 and 5 were confirmed by single-crystal X-ray diffraction. These novel methodologies provide easy access to diversely multisubstituted polyfunctional dihydropyrrole libraries. The primary biological screening in vitro against HIV-1 has shown that 22 tested compounds have exhibited significant activity with IC(50) in micromolar range (38-58 microM).
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Affiliation(s)
- Qiuhua Zhu
- School of Chemistry and Chemical Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, China
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47
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Estévez V, Villacampa M, Menéndez JC. Multicomponent reactions for the synthesis of pyrroles. Chem Soc Rev 2010; 39:4402-21. [PMID: 20601998 DOI: 10.1039/b917644f] [Citation(s) in RCA: 609] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Multicomponent reactions are one of the most interesting concepts in modern synthetic chemistry and, as shown in this critical review, they provide an attractive entry into pyrrole derivatives, which are very important heterocycles from many points of view including medicinal and pharmaceutical chemistry and materials science (97 references).
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Affiliation(s)
- Verónica Estévez
- Departamento de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
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48
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Jayapradha SR, Muthusubramanian S. Novel Rearrangement During the Reaction of Diethylmalonate with α-(5-Substituted 2-hydroxyphenyl)-N-phenyl Nitrones. SYNTHETIC COMMUN 2010. [DOI: 10.1080/00397910902985481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- S. R. Jayapradha
- a Department of Organic Chemistry , School of Chemistry, Madurai Kamaraj University , Madurai, India
| | - S. Muthusubramanian
- a Department of Organic Chemistry , School of Chemistry, Madurai Kamaraj University , Madurai, India
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49
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Saito A, Konishi T, Hanzawa Y. Synthesis of Pyrroles by Gold(I)-Catalyzed Amino−Claisen Rearrangement of N-Propargyl Enaminone Derivatives. Org Lett 2009; 12:372-4. [DOI: 10.1021/ol902716n] [Citation(s) in RCA: 213] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Akio Saito
- Laboratory of Organic Reaction Chemistry, Showa Pharmaceutical University, 3-3165 Higashi-tamagawagakuen, Machida, Tokyo 194-8543, Japan
| | - Tomoyo Konishi
- Laboratory of Organic Reaction Chemistry, Showa Pharmaceutical University, 3-3165 Higashi-tamagawagakuen, Machida, Tokyo 194-8543, Japan
| | - Yuji Hanzawa
- Laboratory of Organic Reaction Chemistry, Showa Pharmaceutical University, 3-3165 Higashi-tamagawagakuen, Machida, Tokyo 194-8543, Japan
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50
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Lazny R, Nodzewska A. N,N-Dialkylhydrazones in Organic Synthesis. From Simple N,N-Dimethylhydrazones to Supported Chiral Auxiliaries. Chem Rev 2009; 110:1386-434. [PMID: 20000672 DOI: 10.1021/cr900067y] [Citation(s) in RCA: 199] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ryszard Lazny
- Institute of Chemistry, University of Bialystok, ul. Hurtowa 15-399, Bialystok, Poland
| | - Aneta Nodzewska
- Institute of Chemistry, University of Bialystok, ul. Hurtowa 15-399, Bialystok, Poland
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