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Li H, Wang X, Li W, Wang X, Cheng R, He D, Xu H, Li Y, Wang J. Efficient synthesis of amides from secondary alcohols and CH 3CN promoted by Fe(NO 3) 3·9H 2O. RSC Adv 2024; 14:29588-29594. [PMID: 39297043 PMCID: PMC11409231 DOI: 10.1039/d4ra04146a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2024] [Accepted: 08/26/2024] [Indexed: 09/21/2024] Open
Abstract
The Ritter reaction is the most attractive method for synthesizing amides, and various acids have been used to promote this reaction. Compared to these acids, Fe(NO3)3·9H2O is less toxic and costly, and it shows relatively high Lewis acidity and great catalytic activity. In this study, a simple and efficient protocol involving Fe(NO3)3·9H2O as an additive for the synthesis of amides was developed. Various secondary alcohols could be reacted with CH3CN to obtain their corresponding products, with CH3CN being used as a reactant and solvent. This protocol was found to be applicable to a wide range of alcohols and nitrile substrates. In general, it was found that substrates containing electron-donating-groups offered the corresponding amides in good to excellent yields, while those with electron-withdrawing groups offered low to moderate yields. Meanwhile, this approach was scalable to the gram level, offering an attractive opportunity for further application in organic synthesis.
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Affiliation(s)
- Han Li
- School of Science, Qiongtai Normal University Haikou 571127 China
| | - Xiaodan Wang
- School of Science, Qiongtai Normal University Haikou 571127 China
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University Harbin China
| | - Wenhao Li
- School of Science, Qiongtai Normal University Haikou 571127 China
| | - Xinmei Wang
- School of Science, Qiongtai Normal University Haikou 571127 China
| | - Ruijing Cheng
- School of Science, Qiongtai Normal University Haikou 571127 China
| | - Danfeng He
- School of Science, Qiongtai Normal University Haikou 571127 China
| | - Huanjun Xu
- School of Science, Qiongtai Normal University Haikou 571127 China
| | - Yiying Li
- College of Basic Medicine and Life Sciences, Hainan Medical University Haikou China
| | - Jinhui Wang
- School of Science, Qiongtai Normal University Haikou 571127 China
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University Harbin China
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Fang W, Sun BB, Qin SC, Fang LP, Yu XR, Jiang HJ, Yu J. Enantioselective Access to Chiral 2,5-Diketopiperazines via Stereogenic-at-Cobalt(III)-Catalyzed Ugi-4CRs/Cyclization Sequences. J Org Chem 2023; 88:16024-16037. [PMID: 37917565 DOI: 10.1021/acs.joc.3c02013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
An asymmetric synthesis of chiral 2,5-diketopiperazines by the Ugi-4CR/cyclization is exhibited. The employment of catalytic anionic chiral Co(III) complexes delivered α-propiolyl aminoamides in high yields with excellent enantioselectivities (31 examples, up to 95% ee). The following treatment of Ugi-adducts with PPh3 leads to chiral 2,5-DKPs without significant loss of enantioselectivities (26 examples, up to 91% ee).
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Affiliation(s)
- Wei Fang
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Bing-Bing Sun
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Shi-Cheng Qin
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Li-Ping Fang
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Xin-Ran Yu
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Hua-Jie Jiang
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Jie Yu
- Department of Applied Chemistry, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei 230036, P. R. China
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Sun BB, Liu K, Gao Q, Fang W, Lu S, Wang CR, Yao CZ, Cao HQ, Yu J. Enantioselective Ugi and Ugi-azide reactions catalyzed by anionic stereogenic-at-cobalt(III) complexes. Nat Commun 2022; 13:7065. [PMID: 36400776 PMCID: PMC9674650 DOI: 10.1038/s41467-022-34887-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 11/10/2022] [Indexed: 11/19/2022] Open
Abstract
Ugi reactions and related variations are proven to be atom and step-economic strategies for construction of highly valuable peptide-like skeletons and nitrogenous heterocycles. The development of structurally diverse range of novel catalytic systems and the discovery of new approaches to accommodate a broader scope of terminating reagents for asymmetric Ugi four-component reaction is still in high demand. Here, we report a strategy that enables enantioselective Ugi four-component and Ugi-azide reactions employing anionic stereogenic-at-cobalt(III) complexes as catalysts. The key nitrilium intermediates, generated through the nucleophilic addition of isocyanides to the chiral ion-pair which consists of stereogenic-at-cobalt(III) complexes counteranion and a protonated iminium, are trapped by either carboxylic acids or in situ-generated hydrazoic acid, delivering α-acylamino amides and α-aminotetrazoles in good to excellent enantioselectivities (up to 99:1 e.r.).
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Affiliation(s)
- Bing-Bing Sun
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Kun Liu
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Quan Gao
- grid.411389.60000 0004 1760 4804School of Plant Protection, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei, 230036 China
| | - Wei Fang
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Shuang Lu
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Chun-Ru Wang
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Chuan-Zhi Yao
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Hai-Qun Cao
- grid.411389.60000 0004 1760 4804School of Plant Protection, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei, 230036 China
| | - Jie Yu
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China ,grid.411389.60000 0004 1760 4804School of Plant Protection, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei, 230036 China
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del Corte X, Martínez de Marigorta E, Palacios F, Vicario J, Maestro A. An overview of the applications of chiral phosphoric acid organocatalysts in enantioselective additions to CO and CN bonds. Org Chem Front 2022. [DOI: 10.1039/d2qo01209j] [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
Since 2004, chiral phosphoric acids (CPAs) have emerged as highyl efficient organocatalysts, providing excellent results in a wide reaction scope. In this review, the applications of CPA for enantioselective additions to CO and CN bonds are covered.
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Affiliation(s)
- Xabier del Corte
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Edorta Martínez de Marigorta
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Francisco Palacios
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Javier Vicario
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Aitor Maestro
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
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Brandolese A, Greenhalgh MD, Desrues T, Liu X, Qu S, Bressy C, Smith AD. Horeau amplification in the sequential acylative kinetic resolution of (±)-1,2-diols and (±)-1,3-diols in flow. Org Biomol Chem 2021; 19:3620-3627. [PMID: 33908571 DOI: 10.1039/d1ob00304f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The sequential acylative kinetic resolution (KR) of C2-symmetric (±)-1,2-syn and (±)-1,3-anti-diols using a packed bed microreactor loaded with the polystyrene-supported isothiourea, HyperBTM, is demonstrated in flow. The sequential KRs of C2-symmetric (±)-1,2-syn and (±)-1,3-anti-diols exploits Horeau amplification, with each composed of two successive KR processes, with each substrate class significantly differing in the relative rate constants for each KR process. Optimisation of the continuous flow set-up for both C2-symmetric (±)-1,2-syn and (±)-1,3-anti-diol substrate classes allowed isolation of reaction products in both high enantiopurity and yield. In addition to the successful KR of C2-symmetric (±)-1,2-syn and (±)-1,3-anti-diols, the application of this process to the more conceptually-complex scenario involving the sequential KR of C1-symmetric (±)-1,3-anti-diols was demonstrated, which involves eight independent rate constants.
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Affiliation(s)
- Arianna Brandolese
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK. and Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via L. Borsari, 46, 44121 Ferrara, Italy
| | - Mark D Greenhalgh
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK. and Department of Chemistry, University of Warwick, Coventry, CV4 7AL, UK
| | - Titouan Desrues
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille, France.
| | - Xueyang Liu
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille, France.
| | - Shen Qu
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK.
| | - Cyril Bressy
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille, France.
| | - Andrew D Smith
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK.
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Moberg C. Symmetry as a Tool for Solving Chemical Problems. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20200338] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Christina Moberg
- Department of Chemistry, Organic Chemistry, KTH Royal Institute of Technology, SE 100 44 Stockholm, Sweden
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Pharande SG, Rentería-Gómez MA, Gámez-Montaño R. Synthesis of Polyheterocyclic Dimers Containing Restricted and Constrained Peptidomimetics via IMCR-Based Domino/Double CuAAC Click Strategy. Molecules 2020; 25:E5246. [PMID: 33187075 PMCID: PMC7696539 DOI: 10.3390/molecules25225246] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/30/2020] [Accepted: 11/01/2020] [Indexed: 12/19/2022] Open
Abstract
A novel strategy via the triple process (multicomponent reactions (MCR)-domino)/tandem was developed for the synthesis of restricted and constrained bis-1,2,3-triazole-linked pyrrolo[3,4-b]pyridine peptidomimetics dimers in overall yields of 20-55%. This strategy allows the construction of six heterocycles in two stages of the reaction.
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Affiliation(s)
| | | | - Rocío Gámez-Montaño
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Noria Alta S/N, Col. Noria Alta, 36050 Guanajuato, Mexico; (S.G.P.); (M.A.R.-G.)
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Huang K, Liu JB, Chen ZF, Wang YC, Yadav S, Qiu G. Palladium-Catalyzed Imidoylation-Triggered [2 + 2 + 1] Cyclization of Internal Alkyne with Isocyanides. Org Lett 2020; 22:5931-5935. [PMID: 32662274 DOI: 10.1021/acs.orglett.0c02019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In this work, a palladium-catalyzed [2 + 2 + 1] cyclization of internal alkynes with double isocyanides is described. This facile procedure is efficient for synthesizing various pyrrolo[3,2-c]quinolin-2-amines. The reaction worked well with a broad reaction scope. In the process, it is believed that sequential double isocyanide insertion, 6-exo-dig cyclization of alkyne, and addition of an imino group are involved.
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Affiliation(s)
- Keke Huang
- School of Metallurgical and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China.,College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, Zhejiang, China
| | - Jin-Biao Liu
- School of Metallurgical and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China
| | - Zhi-Feng Chen
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, Zhejiang, China
| | - Yu-Chao Wang
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, Zhejiang, China
| | - Sarita Yadav
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, Zhejiang, China
| | - Guanyinsheng Qiu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, Zhejiang, China
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Nunes PSG, Vidal HDA, Corrêa AG. Recent advances in catalytic enantioselective multicomponent reactions. Org Biomol Chem 2020; 18:7751-7773. [PMID: 32966520 DOI: 10.1039/d0ob01631d] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Multicomponent reactions (MCRs) undoubtedly correspond to one of the synthetic strategies that best fit the new demands of chemistry for presenting high atom economy and enabling molecular diversity. However, many challenges still exist when products possessing stereogenic centres are formed. The field of asymmetric catalytic reactions has achieved significant progress in recent decades; new applications for chiral ligands and catalysts have been demonstrated and new catalysts have been specifically designed for challenging chemical conversions. In this sense, highly efficient approaches for classic multicomponent reactions such as the Ugi reaction and a number of new asymmetric MCRs have been described. In this review we discuss the recent developments that enable catalytic enantioselective MCRs including the proposed mechanistic pathways.
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Affiliation(s)
- Paulo Sérgio Gonçalves Nunes
- Centre of Excellence for Research in Sustainable Chemistry, Department of Chemistry, Federal University of São Carlos, São Carlos, SP 13565-905, Brazil.
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