1
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Zhang Y, Hu B, Chen Y, Wang Z. Review on Catalytic Meinwald Rearrangement of Epoxides. Chemistry 2024:e202402469. [PMID: 39140465 DOI: 10.1002/chem.202402469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2024] [Revised: 08/11/2024] [Accepted: 08/12/2024] [Indexed: 08/15/2024]
Abstract
The past few decades have witnessed tremendous development within epoxides. Among the many known reactions involving epoxide, Meinwald rearrangements represent one of the most important and attractive approaches, which can transform epoxides into versatile carbonyl compounds. Given the high efficiency of this protocol, substantial efforts have been made by researchers by utilizing multiple catalyst systems. This review provides an overview of recent advances in the Meinwald rearrangement (from 2014 onward), along with detailed discussions on mechanistic insights. This review aims to highlight the importance and value of these methodologies, thereby promoting further investigation and application.
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Affiliation(s)
- Yulong Zhang
- Chongqing Key Laboratory of Green Synthesis and Application, College of Chemistry, Chongqing Normal University, Chongqing, 401331, People's Republic of China
| | - Bowen Hu
- College of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, People's Republic of China
| | - Yushuang Chen
- College of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, People's Republic of China
| | - Zhen Wang
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug Research, Chongqing University, Chongqing, 401331, People's Republic of China
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2
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Jiang Y, Gu J, Nie W, Lu G, Xin M, Zhu Z, Jiang J, Meng Y, Miao H, Zou Y. Copper‐Catalyzed C(sp
2
)−N Coupling of (
E
)‐3‐(2‐Bromophenysl)‐2‐arylacrylamides for the Synthesis of 3‐Arylquinolin‐2‐ones. ChemistrySelect 2022. [DOI: 10.1002/slct.202204339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yi Jiang
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 P. R. China
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery Guangzhou 510006 P. R. China
| | - Jiayi Gu
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 P. R. China
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery Guangzhou 510006 P. R. China
| | - Wenxing Nie
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 P. R. China
| | - Guoqing Lu
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 P. R. China
| | - Meixiu Xin
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 P. R. China
| | - Zefeng Zhu
- Department of Pharmacy The Fifth Affiliated Hospital of Jinan University Heyuan 517000 P. R. China
| | - Jiayao Jiang
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 P. R. China
| | - Yingfen Meng
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 P. R. China
| | - Hui Miao
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 P. R. China
| | - Yong Zou
- School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 P. R. China
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery Guangzhou 510006 P. R. China
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3
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Petropavlovskikh DA, Vorobyeva DV, Godovikov IA, Nefedov SE, Filippov OA, Osipov SN. Lossen rearrangement by Rh(III)-catalyzed C-H activation/annulation of aryl hydroxamates with alkynes: access to quinolone-containing amino acid derivatives. Org Biomol Chem 2021; 19:9421-9426. [PMID: 34668894 DOI: 10.1039/d1ob01711j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A convenient and robust method for the preparation of new CF3-containing 2-quinolones has been developed via a Rh(III)-catalyzed C-H activation/Lossen rearrangement/annulation cascade of N-pivaloyloxy-arylamides with internal alkynes bearing an α-CF3-α-amino acid moiety on the triple bond. This work expands the scope of valuable products that are available through C-H activation/annulation reactions of arylamides in organic synthesis.
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Affiliation(s)
- Dmitry A Petropavlovskikh
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
| | - Daria V Vorobyeva
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
| | - Ivan A Godovikov
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
| | - Sergey E Nefedov
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr. 31, 119991, Moscow, Russia
| | - Oleg A Filippov
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
| | - Sergey N Osipov
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
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4
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Mamedov VA, Mamedova VL, Qu ZW, Zhu H, Galimullina VR, Korshin DE, Khikmatova GZ, Litvinov IA, Latypov SK, Sinyashin OG, Grimme S. Synthesis and Mechanistic Insights of the Formation of 3-Hydroxyquinolin-2-ones including Viridicatin from 2-Chloro- N,3-diaryloxirane-2-carboxamides under Acid-Catalyzed Rearrangements. J Org Chem 2021; 86:13514-13534. [PMID: 34505764 DOI: 10.1021/acs.joc.1c01592] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
N-Benzyl-2-chloro-N,3-diaryloxirane-2-carboxamides, easily obtained from aromatic aldehydes and anilides of dichloroacetic acid under Darzens condensation conditions, proved to be excellent starting compounds for the synthesis of 3-hydroxyindolin-2-ones, cyclohepto[b]pyrrole-2,3-diones, and 1-azaspiro[4.5]deca-3,6,9-triene-2-ones via the C(sp2)-C(sp2) bond formation in the first case and C(sp2)-C(sp3) bond formation in the second and third cases. Under optimized reaction conditions, 3-hydroxyindolin-2-ones are obtained in a one-pot process, which involves the treatment of N-benzyl-2-chloro-N,3-diaryloxirane-2-carboxamides with CF3CO2H or AcOH/H2SO4. In the case of intramolecular cyclization, the detailed reaction channels depend strongly on the substituents present in the anilide component and in the aromatic ring of the aldehyde component of N-benzyl-2-chloro-N,3-diaryloxirane-2-carboxamides, as well as the temperature and duration of the reaction. A combined experimental and DFT mechanistic study of the formation of 1-benzyl-3-hydroxy-4-arylquinolin-2(1H)-ones showed that there are three competing reaction channels: (a) ring-closure via the ipso site, (b) ring-closure via the 1,2-Cl shift, and (c) ring-closure via the ortho site. Such mechanistic insights enabled an effective one-pot gram-scale synthesis of viridicatin from benzaldehyde and 2,2-dichloro-N-(4-methoxybenzyl)-N-phenylacetamide.
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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
| | - Vera L Mamedova
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Zheng-Wang Qu
- Mulliken Center for Theoretical Chemistry University of Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Hui Zhu
- Mulliken Center for Theoretical Chemistry University of Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Venera R Galimullina
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Dmitry E Korshin
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Gul'naz Z Khikmatova
- A.E. Arbuzov Institute of Organic and Physical Chemistry, RFC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Street 8, 420088 Kazan, Russian Federation
| | - Igor A Litvinov
- 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
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry University of Bonn, Beringstr. 4, 53115 Bonn, Germany
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5
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Mamedov VA, Mamedova VL, Syakaev VV, Voronina JK, Mahrous EM, Korshin DE, Latypov SK, Sinyashin OG. Regioselective syntheses of 3-hydroxy-4-aryl-3,4,5-trihydro-2H-benzo[b][1,4]diazepin-2(1H)-ones and 3-benzylquinoxalin-2(1H)-ones from arylglycidates when exposed to 1,2-diaminobenzenes. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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6
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Qu Z, Zhu H, Katsyuba SA, Mamedova VL, Mamedov VA, Grimme S. Acid-Catalyzed Rearrangements of 3-Aryloxirane-2-Carboxamides: Novel DFT Mechanistic Insights. ChemistryOpen 2020; 9:743-747. [PMID: 32626644 PMCID: PMC7327482 DOI: 10.1002/open.202000110] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/20/2020] [Indexed: 11/28/2022] Open
Abstract
Efficient synthesis of 3-arylquinolin-2(1H)-ones and N-(2-carboxyaryl)-oxalamides from protic acid-catalyzed rearrangements of 3-aryloxirane-2-carboxamides was achieved recently but not well understood. In contrast to the classical Meinwald rearrangement, extensive DFT calculations reveal that the proximal aryl and amide groups have strong synergetic effects to control the amide-aided and aryl-directed oxirane-opening and further rearrangement sequences. The ortho-nitro substituent of the proximal aryl is directly involved in a nucleophilic oxirane ring-opening, the amide C=O is an important proton shuttle for facile H-shifts, while the N-aryl may act as a potential ring-closing site via Friedel-Crafts alkylation. The mechanistic insights are useful for rational design of novel synthesis by changing the aryl and amide functional groups proximal to the oxirane ring.
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Affiliation(s)
- Zheng‐Wang Qu
- Mulliken Center for Theoretical ChemistryUniversity of BonnBeringstr. 453115BonnGermany
| | - Hui Zhu
- Mulliken Center for Theoretical ChemistryUniversity of BonnBeringstr. 453115BonnGermany
| | - Sergey A. Katsyuba
- Arbuzov Institute of Organic and Physical Chemistry FRCKazan Scientific Center of RASArbuzov Str. 8420088KazanRussia
| | - Vera L. Mamedova
- Arbuzov Institute of Organic and Physical Chemistry FRCKazan Scientific Center of RASArbuzov Str. 8420088KazanRussia
| | - Vakhid A. Mamedov
- Arbuzov Institute of Organic and Physical Chemistry FRCKazan Scientific Center of RASArbuzov Str. 8420088KazanRussia
| | - Stefan Grimme
- Mulliken Center for Theoretical ChemistryUniversity of BonnBeringstr. 453115BonnGermany
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7
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Mamedov VA, Mamedova VL, Gubaidullin AT, Krivolapov DB, Khikmatova GZ, Mahrous EM, Korshin DE, Sinyashin OG. Acid catalyzed rearrangements of aryl 3-(2-nitroaryl)oxiran-2-yl ketones. Russ Chem Bull 2020. [DOI: 10.1007/s11172-020-2791-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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8
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Mamedov VA, Mamedova VL, Voloshina AD, Kushatov TA, Syakaev VV, Latypov SK, Gubaidullin AT, Korshin DE, Buzyurova DN, Rizvanov IK, Synyashin OG. Facile synthesis of 2-carboxanilido-3-arylquinazolin-4-ones from N1-(2-carboxyphenyl)-N2-(aryl)oxalamides. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151205] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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9
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Ahn BH, Lee IY, Lim HN. Step-economical synthesis of 3-amido-2-quinolones by dendritic copper powder-mediated one-pot reaction. Org Biomol Chem 2019; 16:7851-7860. [PMID: 30303225 DOI: 10.1039/c8ob01994k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The one-pot protocol by the dendritic copper powder-mediated Knoevenagel condensation/annelation is delineated here for the synthesis of 3-amido-2-quinolones. It is practical with moisture tolerance and easy setup, and is compatible with many functional groups under mild conditions. This method was applied for the preparation of the key intermediates of biologically relevant 3-amido-2-quinolones.
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Affiliation(s)
- Byung Hoon Ahn
- Eco-Friendly New Materials Research Center, Therapeutics&Biotechnology Division, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea.
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10
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Supported Palladium Nanoparticles‐Catalyzed Synthesis of 3‐Substituted 2‐Quinolones from 2‐Iodoanilines and Alkynes Using Oxalic Acid as C1 Source. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801127] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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11
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Mamedov VA, Mamedova VL, Kadyrova SF, Galimullina VR, Khikmatova GZ, Korshin DE, Gubaidullin AT, Krivolapov DB, Rizvanov IK, Bazanova OB, Sinyashin OG, Latypov SK. Synthesis of 3-Hydroxy-4-arylquinolin-2-ones Including Viridicatol via a Darzens Condensation/Friedel-Crafts Alkylation Strategy. J Org Chem 2018; 83:13132-13145. [PMID: 30272451 DOI: 10.1021/acs.joc.8b01871] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The new efficient synthesis of biologically important 3-hydroxy-4-arylquinolin-2-ones through the Darzens condensation (epoxidation) of dichloroacetanilides with aromatic aldehydes followed by one-pot dechlorative epoxide-arene cyclization is described. This methodology has been utilized for the synthesis of naturally occurring viridicatol, a fungal metabolite isolated from the penicillium species.
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Affiliation(s)
- Vakhid A Mamedov
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation.,Kazan National Research Technological University , Karl Marx str. 68 , 420015 Kazan , Russian Federation
| | - Vera L Mamedova
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation.,Kazan National Research Technological University , Karl Marx str. 68 , 420015 Kazan , Russian Federation
| | - Saniya F Kadyrova
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation.,Kazan National Research Technological University , Karl Marx str. 68 , 420015 Kazan , Russian Federation
| | - Venera R Galimullina
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation
| | - Gul'naz Z Khikmatova
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation.,Kazan National Research Technological University , Karl Marx str. 68 , 420015 Kazan , Russian Federation
| | - Dmitry E Korshin
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation.,Kazan National Research Technological University , Karl Marx str. 68 , 420015 Kazan , Russian Federation
| | - Aidar T Gubaidullin
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation
| | - Dmitry B Krivolapov
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation
| | - Il'dar Kh Rizvanov
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation
| | - Olga B Bazanova
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation
| | - Oleg G Sinyashin
- Kazan National Research Technological University , Karl Marx str. 68 , 420015 Kazan , Russian Federation
| | - Shamil K Latypov
- A.E. Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of Russian Academy of Sciences , Arbuzov str. 8 , 420088 Kazan , Russian Federation
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Mamedov VA, Mamedova VL, Khikmatova GZ, Korshin DE, Sinyashin OG. 5-(α-Halobenzyl)- and 5-Benzylidene-2,2-dimethyl-1,3-oxazolidin-4-ones in Synthesis of α-Hydroxy Acids. RUSS J GEN CHEM+ 2018. [DOI: 10.1134/s1070363217120088] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Mamedova VL, Khikmatova GZ. The Meinwald rearrangement in tandem processes (microreview). Chem Heterocycl Compd (N Y) 2017. [DOI: 10.1007/s10593-017-2158-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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14
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Zhao X, Zhang Y, Deng J, Zhang-Negrerie D, Du Y. TBHP/TBAI-Mediated Oxidative Cascade Reaction Consisting of Dimerization, Cyclization, and 1,2-Aryl Migration: Metal-Free Synthesis of Pyrrolin-4-ones and Highly Substituted Pyrroles. J Org Chem 2017; 82:12682-12690. [DOI: 10.1021/acs.joc.7b02491] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiaoyuan Zhao
- Tianjin
Key Laboratory for Modern Drug Delivery and High-Efficiency, School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Yong Zhang
- Tianjin
Key Laboratory for Modern Drug Delivery and High-Efficiency, School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Jun Deng
- School
of Pharmaceutical Sciences and Innovative Drug Research Centre, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, China
| | - Daisy Zhang-Negrerie
- Tianjin
Key Laboratory for Modern Drug Delivery and High-Efficiency, School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
| | - Yunfei Du
- Tianjin
Key Laboratory for Modern Drug Delivery and High-Efficiency, School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
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Mirgorodskaya AB, Mamedov VA, Zakharova LY, Valeeva FG, Mamedova VL, Galimullina VR, Kushnasarova RA, Sinyashin OG. Surfactant solutions for enhancing solubility of new arylquinolin-2-ones. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.07.055] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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16
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Mamedov VA, Mamedova VL, Syakaev VV, Korshin DE, Khikmatova GZ, Mironova EV, Bazanova OB, Rizvanov IK, Latypov SK. Simple synthesis of 3-hydroxyquinolines via Na 2 S 2 O 4 -mediated reductive cyclization of (2-(2-nitrophenyl)oxiran-1-yl)(aryl)methanones ( o -nitrobenzalacetophenone oxides). Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.06.058] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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18
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Transformations of anilides of 3-aryl-2,3-epoxypropionic acids when exposed to acidic agents. Russ Chem Bull 2016. [DOI: 10.1007/s11172-015-1238-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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19
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Mamedov VA, Mamedova VL, Khikmatova GZ, Mironova EV, Krivolapov DB, Bazanova OB, Chachkov DV, Katsyuba SA, Rizvanov IK, Latypov SK. A novel acid-catalyzed rearrangement of 2-substituted-3-(2-nitrophenyl)oxiranes for the synthesis of di- and mono-oxalamides. RSC Adv 2016. [DOI: 10.1039/c6ra02586b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A new acid-catalyzed rearrangement of oxiranes for the syntheses of biologically important pharmaceutical molecules with anthranilic acid and oxalamide moieties has been discovered.
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Affiliation(s)
- Vakhid A. Mamedov
- A. E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center of the Russian Academy of Sciences
- 420088 Kazan
- Russian Federation
- Kazan National Research Technological University
| | - Vera L. Mamedova
- A. E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center of the Russian Academy of Sciences
- 420088 Kazan
- Russian Federation
- Kazan National Research Technological University
| | | | - Ekaterina V. Mironova
- A. E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center of the Russian Academy of Sciences
- 420088 Kazan
- Russian Federation
| | - Dmitry B. Krivolapov
- A. E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center of the Russian Academy of Sciences
- 420088 Kazan
- Russian Federation
| | - Olga B. Bazanova
- A. E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center of the Russian Academy of Sciences
- 420088 Kazan
- Russian Federation
| | - Denis V. Chachkov
- Kazan National Research Technological University
- 420015 Kazan
- Russian Federation
| | - Sergey A. Katsyuba
- A. E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center of the Russian Academy of Sciences
- 420088 Kazan
- Russian Federation
| | - Il'dar Kh Rizvanov
- A. E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center of the Russian Academy of Sciences
- 420088 Kazan
- Russian Federation
| | - Shamil K. Latypov
- A. E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center of the Russian Academy of Sciences
- 420088 Kazan
- Russian Federation
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20
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Chauhan P, Ravi M, Singh S, Prajapati P, Yadav PP. Regioselective α-arylation of coumarins and 2-pyridones with phenylhydrazines under transition-metal-free conditions. RSC Adv 2016. [DOI: 10.1039/c5ra20954d] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A transition-metal-free regioselective α-arylation of coumarins and 2-pyridones has been accomplished by the reaction of phenylhydrazines with coumarins or 2-pyridones.
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Affiliation(s)
- Parul Chauhan
- Medicinal and Process Chemistry
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Makthala Ravi
- Medicinal and Process Chemistry
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Shikha Singh
- Medicinal and Process Chemistry
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Prashant Prajapati
- National Institute of Pharmaceutical Education and Research
- Raebareli-229010
- India
| | - Prem P. Yadav
- Medicinal and Process Chemistry
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
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