1
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Zhao Y, Zhang Z, Qi Z, Liu R. Palladium-catalyzed dehydrogenation of α-cyclohexene-substituted nitriles to α-aryl nitriles. Chem Commun (Camb) 2024; 60:3425-3428. [PMID: 38441208 DOI: 10.1039/d4cc00326h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
The development of a practical, inexpensive, and cyanide-free method for synthesizing α-aryl nitriles remains a challenging goal in synthetic chemistry. Here, we report an approach for synthesizing α-aryl nitriles toward achieving this goal, by which α-cyclohexenyl acetonitriles and α-cyclohexenyl alkenyl nitriles are dehydrogenated to α-aryl nitriles.
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Affiliation(s)
- Yinglin Zhao
- School of Pharmacy, East China University of Science and Technology, Engineering Research Center of Pharmaceutical Process Chemistry, Meilong Road 130, Shanghai 200237, China.
| | - Zhida Zhang
- School of Pharmacy, East China University of Science and Technology, Engineering Research Center of Pharmaceutical Process Chemistry, Meilong Road 130, Shanghai 200237, China.
| | - Zehuan Qi
- School of Pharmacy, East China University of Science and Technology, Engineering Research Center of Pharmaceutical Process Chemistry, Meilong Road 130, Shanghai 200237, China.
| | - Renhua Liu
- School of Pharmacy, East China University of Science and Technology, Engineering Research Center of Pharmaceutical Process Chemistry, Meilong Road 130, Shanghai 200237, China.
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2
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Flores-Bernal G, Miranda LD. A Copper-Mediated Radical α-Heteroarylation of Nitriles with Azobis(alkylcarbonitriles). Org Lett 2024; 26:1128-1133. [PMID: 38315447 PMCID: PMC10877592 DOI: 10.1021/acs.orglett.3c03727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 12/16/2023] [Accepted: 01/30/2024] [Indexed: 02/07/2024]
Abstract
A new practical method has been developed for the α-heteroarylation of aliphatic nitriles with heteroarenes and azobis(alkylcarbonitriles) using Cu(OAc)2 as an oxidizing agent. This method allows the easy construction of nitrile-, aryl-, and dialkyl-bearing quaternary carbon centers from readily available building blocks, without requiring prefunctionalization steps. This reaction is based on adding cyanodialkyl radicals onto heteroarenes, including benzofurans, furans, pyrroles, and indoles. The resulting α-heteroaryl nitriles are useful synthetic intermediates and pharmacophores in biologically active molecules.
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Affiliation(s)
- Gustavo
G. Flores-Bernal
- Department of Organic Chemistry,
Instituto de Química, Universidad Nacional Autónoma
de México, Circuito Exterior, Ciudad
Universitaria, 04510 Mexico City, Mexico
| | - Luis D. Miranda
- Department of Organic Chemistry,
Instituto de Química, Universidad Nacional Autónoma
de México, Circuito Exterior, Ciudad
Universitaria, 04510 Mexico City, Mexico
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3
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Boron Lewis Acid Catalysis Enables the Direct Cyanation of Benzyl Alcohols by Means of Isonitrile as Cyanide Source. Molecules 2023; 28:molecules28052174. [PMID: 36903420 PMCID: PMC10004367 DOI: 10.3390/molecules28052174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 02/18/2023] [Accepted: 02/23/2023] [Indexed: 03/03/2023] Open
Abstract
The development of an efficient and straightforward method for cyanation of alcohols is of great value. However, the cyanation of alcohols always requires toxic cyanide sources. Herein, an unprecedented synthetic application of an isonitrile as a safer cyanide source in B(C6F5)3-catalyzed direct cyanation of alcohols is reported. With this approach, a wide range of valuable α-aryl nitriles was synthesized in good to excellent yields (up to 98%). The reaction can be scaled up and the practicability of this approach is further manifested in the synthesis of an anti-inflammatory drug, naproxen. Moreover, experimental studies were performed to illustrate the reaction mechanism.
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4
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Goebel JF, Löffler J, Zeng Z, Handelmann J, Hermann A, Rodstein I, Gensch T, Gessner VH, Gooßen LJ. Computer-Driven Development of Ylide Functionalized Phosphines for Palladium-Catalyzed Hiyama Couplings. Angew Chem Int Ed Engl 2023; 62:e202216160. [PMID: 36538000 DOI: 10.1002/anie.202216160] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/16/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
Palladium-catalyzed couplings of silicon enolates with aryl electrophiles are of great synthetic utility, but often limited to expensive bromide substrates. A comparative experimental study confirmed that none of the established ligand systems allows to couple inexpensive aryl chlorides with α-trimethylsilyl alkylnitriles. In contrast, ylide functionalized phosphines (YPhos) led to encouraging results. A statistical model was developed that correlates the reaction yields with ligand features. It was employed to predict catalyst structures with superior performance. With this cheminformatics approach, YPhos ligands were tailored specifically to the demands of Hiyama couplings. The newly synthesized ligands displayed record-setting activities, enabling the elusive coupling of aryl chlorides with α-trimethylsilyl alkyl nitriles. The preparative utility of the catalyst system was demonstrated by the synthesis of pharmaceutically meaningful α-aryl alkylnitriles, α-arylcarbonyls and biaryls.
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Affiliation(s)
- Jonas F Goebel
- Chair of Organic Chemistry I, Ruhr-Universität Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Julian Löffler
- Chair of Inorganic Chemistry II, Ruhr-Universität Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Zhongyi Zeng
- Chair of Organic Chemistry I, Ruhr-Universität Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Jens Handelmann
- Chair of Inorganic Chemistry II, Ruhr-Universität Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Albert Hermann
- Chair of Organic Chemistry I, Ruhr-Universität Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Ilja Rodstein
- Chair of Inorganic Chemistry II, Ruhr-Universität Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Tobias Gensch
- Department of Chemistry, TU Berlin, 10623, Berlin, Germany
| | - Viktoria H Gessner
- Chair of Inorganic Chemistry II, Ruhr-Universität Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Lukas J Gooßen
- Chair of Organic Chemistry I, Ruhr-Universität Bochum, Universitätsstr. 150, 44801, Bochum, Germany
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5
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Xiong B, Si L, Zhu L, Wu R, Liu Y, Xu W, Zhang F, Tang KW, Wong WY. Room-Temperature ZnBr 2 -Catalyzed Regioselective 1,6-Hydroarylation of Electron-Rich Arenes to para-Quinone Methides: Synthesis of Unsymmetrical Triarylmethanes. Chem Asian J 2023; 18:e202201156. [PMID: 36507597 DOI: 10.1002/asia.202201156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 12/14/2022]
Abstract
A mild and efficient Zn(II)-catalyzed regioselective 1,6-hydroarylation of para-quinone methides (p-QMs) with electron-rich arenes protocol is reported. A variety of electron-rich arenes and para-quinone methides are well tolerated under mild conditions, delivering a broad range of triarylmethanes in good to excellent yields. The present method also works well for the hydroarylation of p-QMs with other nucleophiles, such as aniline, indole and phenol derivatives, offering the corresponding triarylmethanes with good yields under the standard conditions. The possible mechanism for the formation of C(sp3 )-C(sp2 ) bonds in hydroarylation reactions has been explored by step-by-step control experiments, and the reaction may follow a second-order manner in a chemical kinetic study.
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Affiliation(s)
- Biquan Xiong
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, 414006, Yueyang, P. R. China.,Department of Applied Biology and Chemical Technology and Research Institute for Smart Energy, The Hong Kong Polytechnic University Hung Hom, Hong Kong, P. R. China
| | - Lulu Si
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, 414006, Yueyang, P. R. China
| | - Longzhi Zhu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, 414006, Yueyang, P. R. China.,Department of Applied Biology and Chemical Technology and Research Institute for Smart Energy, The Hong Kong Polytechnic University Hung Hom, Hong Kong, P. R. China
| | - Rong Wu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, 414006, Yueyang, P. R. China
| | - Yu Liu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, 414006, Yueyang, P. R. China
| | - Weifeng Xu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, 414006, Yueyang, P. R. China
| | - Fan Zhang
- College of Chemistry and Chemical Engineering, Jishou University, 416000, Jishou, P. R. China
| | - Ke-Wen Tang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, 414006, Yueyang, P. R. China
| | - Wai-Yeung Wong
- Department of Applied Biology and Chemical Technology and Research Institute for Smart Energy, The Hong Kong Polytechnic University Hung Hom, Hong Kong, P. R. China
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6
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Wang L, Zheng Y, Zhou X, Wang H, Yan Q, Wang W, Chen F. Synthesis of α-Aryl Nitriles via Nucleophilic Substitution of α-Cyanohydrin Methanesulfonates with Malonates. CHINESE J ORG CHEM 2023. [DOI: 10.6023/cjoc202208029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
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7
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Zhou Y, Hu D, Zhang Y, Cen Q, Dong ZB, Zhang JQ, Ren H. Transition-Metal-Free Synthesis of Polyfluoro-Polyarylmethanes via Direct Cross-Coupling of Polyfluoroarenes and Benzyl Chlorides. Chemistry 2022; 29:e202203427. [PMID: 36583527 DOI: 10.1002/chem.202203427] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/17/2022] [Accepted: 12/30/2022] [Indexed: 12/31/2022]
Abstract
The transition-metal-free direct cross-coupling between polyfluoroarenes and benzyl chlorides is reported. In this strategy, a variety of polyfluoro di-, tri- and tetra-arylmethanes was efficiently prepared with good to excellent yields in the presence of Mg turnings via a one-pot procedure. Significantly, this method provides a general approach for the synthesis of polyfluorinated polyarylmethanes.
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Affiliation(s)
- Yu Zhou
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang, 318000, P. R. China.,School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430205, P. R. China
| | - Dandan Hu
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang, 318000, P. R. China
| | - Yuting Zhang
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang, 318000, P. R. China
| | - Qiyou Cen
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang, 318000, P. R. China
| | - Zhi-Bing Dong
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430205, P. R. China
| | - Jun-Qi Zhang
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang, 318000, P. R. China
| | - Hongjun Ren
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang, 318000, P. R. China.,School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430205, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, P. R. China
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8
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Xiong B, Shang W, Xu W, Liu Y, Tang KW, Wong WY. Acid‐catalyzed Regioselective Synthesis of α‐Diarylmethyl Substituted Phenols and para‐Quinone Methides in Water. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Biquan Xiong
- Hunan Institute of Science and Technology Department of Chemistry and Chemical Engineering Xueyuan Road 414006 Yueyang CHINA
| | - Wenli Shang
- Hunan Institute of Science and Technology Department of Chemistry and Chemical Engineering Xueyuan Road 414006 Yueyang CHINA
| | - Weifeng Xu
- Hunan Institute of Science and Technology Department of Chemistry and Chemical Engineering Xueyuan Road 414006 Yueyang CHINA
| | - Yu Liu
- Hunan Institute of Science and Technology Department of Chemistry and Chemical Engineering Xueyuan Road 414006 Yueyang CHINA
| | - Ke-Wen Tang
- Hunan Institute of Science and Technology Department of Chemistry and Chemical Engineering Xueyuan Road 414006 Yueyang CHINA
| | - Wai-Yeung Wong
- The Hong Kong Polytechnic University Department of Applied Biology and Chemical Technology Hung Hom Hong Kong HONG KONG
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9
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Wang H, Yang R, Xu B. Synthesis of Cyclopropenes and Fluorinated Cyclopropanes via Michael Initiated Ring Closure of Alkyl Triflones. Chemistry 2022; 28:e202104364. [DOI: 10.1002/chem.202104364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Hui Wang
- Key Laboratory of Science and Technology of Eco-Textiles Ministry of Education College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 P. R. China
| | - Ren‐Yin Yang
- Key Laboratory of Science and Technology of Eco-Textiles Ministry of Education College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 P. R. China
| | - Bo Xu
- Key Laboratory of Science and Technology of Eco-Textiles Ministry of Education College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 P. R. China
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10
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Mills LR, Patel P, Rousseaux SAL. Decyanation-(hetero)arylation of malononitriles to access α-(hetero)arylnitriles. Org Biomol Chem 2022; 20:5933-5937. [PMID: 35315852 DOI: 10.1039/d2ob00236a] [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
Quaternary α-(hetero)arylnitriles are desirable biologically relevant products, however the existing methods for their synthesis can be unselective or require the use of undesirable reagents, such as cyanide salts. Herein we report a one-pot method for transnitrilation-mediated decyanation-metalation of disubstituted malononitriles, followed by treatment with (hetero)aryl electrophiles to access quaternary α-(hetero)arylnitrile products. A number of products were prepared using this method (34 examples, 27-99% yield). This method highlights the usefulness of malononitriles as precursors for alkylnitrile-containing compounds.
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Affiliation(s)
- L Reginald Mills
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada.
| | - Purvish Patel
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada.
| | - Sophie A L Rousseaux
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada.
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11
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Zhang JQ, Liu J, Hu D, Song J, Zhu G, Ren H. Rapid and Simple Access to α-(Hetero)arylacetonitriles from Gem-Difluoroalkenes. Org Lett 2022; 24:786-790. [PMID: 34989584 DOI: 10.1021/acs.orglett.1c04336] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A scalable cyanation of gem-difluoroalkenes to (hetero)arylacetonitrile derivatives was developed. This strategy features mild reaction conditions, excellent yields, wide substrate scope, and broad functional group tolerance. Significantly, in this reaction, aqueous ammonia offers a "N" source for the "CN" reagent and entirely avoids the use of toxic cyanating reagents or metal catalysis. Hence, we provide a green and alternative method for the synthesis of arylacetonitriles.
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Affiliation(s)
- Jun-Qi Zhang
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Jiayue Liu
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Dandan Hu
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Jinyu Song
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
| | - Guorong Zhu
- Zhejiang Tianyu Pharmaceutical Co., Lddd., Jiangkou Development Zone, Huangyan 318020, Zhejiang, P. R. China
| | - Hongjun Ren
- Advanced Research Institute and Department of Chemistry, Taizhou University, Jiaojiang 318000, Zhejiang, P. R. China
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12
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Tang Y, Huang H, Li M, Wang F, Hu X, Zhang X. Copper-Catalyzed Oxidative Cascade Cyclization of Activated Alkenes with Azobis Compounds: Access to Cyano-Substituted Benzimidazo[2,1-a]isoquinolin-6(5H)-ones. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1070428021120174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Lin YC, Yen KW, Lin HJ, Yang YC, Wu YK. Haloarene-guided cascade arylation of cyclic vinylogous esters under palladium catalysis. Chem Commun (Camb) 2021; 57:12119-12122. [PMID: 34719697 DOI: 10.1039/d1cc05006k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A method is presented for the synthesis of diaryl cyclic vinylogous esters. The sequence of C(sp3)-H arylation events is programed under the differentiated reactivity of the aryl halides, and the optimized reaction system is effectively diverted from producing dihomo-arylated products. The site selectivity of the second arylation is notably modulated by the substitution pattern of the substrates.
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Affiliation(s)
- Yi-Ching Lin
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan.
| | - Ko-Wang Yen
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan.
| | - Hsuan-Jen Lin
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan.
| | - Yi-Chi Yang
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan.
| | - Yen-Ku Wu
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan.
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14
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Pan C, Yang C, Li K, Zhang K, Zhu Y, Wu S, Zhou Y, Fan B. Photo-Promoted Decarboxylative Alkylation of α, β-Unsaturated Carboxylic Acids with ICH 2CN for the Synthesis of β, γ-Unsaturated Nitriles. Org Lett 2021; 23:7188-7193. [PMID: 34491073 DOI: 10.1021/acs.orglett.1c02585] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
An efficient, catalyst/photocatalyst-free, and cost-effective methodology for the decarboxylative alkylation of α,β-unsaturated carboxylic acids to synthesize β,γ-unsaturated nitriles has been developed. The reaction proceeded in an environmentally benign atmosphere of blue light-emitting diode irradiation with K2CO3 and water at room temperature. The methodology worked for a wide range of substrates (22 examples) with up to 83% yield. The protocol is also compatible for gram-scale synthesis.
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Affiliation(s)
- Chunxiang Pan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Yuehua Street, Kunming 650500, China
| | - Chunhui Yang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Yuehua Street, Kunming 650500, China
| | - Kangkui Li
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Yuehua Street, Kunming 650500, China
| | - Keyang Zhang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Yuehua Street, Kunming 650500, China
| | - Yuanbin Zhu
- Yunnan Tiefeng High Tech Mining Chemicals Co. Ltd, Qingfeng Industrial Park, Lufeng 651200, Yunnan Province China
| | - Shiyuan Wu
- Yunnan Tiefeng High Tech Mining Chemicals Co. Ltd, Qingfeng Industrial Park, Lufeng 651200, Yunnan Province China
| | - Yongyun Zhou
- Key Laboratory of Advanced Synthetic Chemistry, Yunnan Minzu University, Yuehua Street, Kunming 650500, China
| | - Baomin Fan
- Key Laboratory of Advanced Synthetic Chemistry, Yunnan Minzu University, Yuehua Street, Kunming 650500, China
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15
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Li Z, Li Y, Li X, Wu M, He ML, Sun J. Organocatalytic asymmetric formal oxidative coupling for the construction of all-aryl quaternary stereocenters. Chem Sci 2021; 12:11793-11798. [PMID: 34659717 PMCID: PMC8442720 DOI: 10.1039/d1sc03324g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 07/29/2021] [Indexed: 12/15/2022] Open
Abstract
A new catalytic asymmetric formal cross dehydrogenative coupling process for the construction of all-aryl quaternary stereocenters is disclosed, which provides access to rarely explored chiral tetraarylmethanes with excellent enantioselectivity. The suitable oxidation conditions and the hydrogen-bond-based organocatalysis have enabled efficient intermolecular C–C bond formation in an overwhelmingly crowded environment under mild conditions. para-Quinone methides bearing an ortho-directing group serve as the key intermediate. The precise loading of DDQ is critical to the high enantioselectivity. The chiral products have also been demonstrated as promising antiviral agents. A one-pot oxidation of racemic triarylmethanes to form para-quinone methides followed by enantioselective construction of all-aryl quaternary stereocenters has been developed.![]()
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Affiliation(s)
- Zhiyang Li
- Department of Chemistry, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong SAR China .,Shenzhen Bay Laboratory Shenzhen 518107 China
| | - Yichen Li
- Department of Biomedical Sciences, City University of Hong Kong Kowloon Hong Kong SAR China
| | - Xingguang Li
- Department of Chemistry, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong SAR China .,Shenzhen Research Institute, HKUST No. 9 Yuexing 1st Rd Shenzhen 518057 China
| | - Mandi Wu
- Department of Biomedical Sciences, City University of Hong Kong Kowloon Hong Kong SAR China
| | - Ming-Liang He
- Department of Biomedical Sciences, City University of Hong Kong Kowloon Hong Kong SAR China
| | - Jianwei Sun
- Department of Chemistry, The Hong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong SAR China .,Shenzhen Bay Laboratory Shenzhen 518107 China.,Shenzhen Research Institute, HKUST No. 9 Yuexing 1st Rd Shenzhen 518057 China
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16
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Nambo M, Crudden CM. Transition Metal-Catalyzed Cross-Couplings of Benzylic Sulfone Derivatives. CHEM REC 2021; 21:3978-3989. [PMID: 34523788 DOI: 10.1002/tcr.202100210] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/31/2021] [Accepted: 09/01/2021] [Indexed: 12/25/2022]
Abstract
In recent years, the use of organosulfones as a new class of cross-coupling partner in transition-metal catalyzed reactions has undergone significant advancement. In this personal account, our recent investigations into desulfonylative cross-coupling reactions of benzylic sulfone derivatives catalyzed by Pd, Ni, and Cu catalysis is described. Combined with the facile α-functionalizations of sulfones, our methods can be used to form valuable multiply-arylated structures such as di-, tri-, and, tetraarylmethanes from readily available substrates. The reactivity of sulfones can be increased by introducing electron-withdrawing substituents such as 3,5-bis(trifluoromethyl)phenyl and trifluoromethyl groups, which enable more challenging cross-coupling reactions. Reactive intermediates including Cu-carbene complexes were identified as key intermediates in sulfone activation, representing new types of C-SO2 bond activation processes. These results indicate sulfones are powerful functional groups, enabling new catalytic desulfonylative transformations.
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Affiliation(s)
- Masakazu Nambo
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya, 464-860, Japan
| | - Cathleen M Crudden
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya, 464-860, Japan.,Department of Chemistry, Queen's University, Chernoff Hall, Kingston, Ontario, K7L 3N6, Canada
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17
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Yang RY, Xu B. Chemo-, regio- and stereoselective synthesis of monofluoroalkenes via a tandem fluorination-desulfonation sequence. Chem Commun (Camb) 2021; 57:7802-7805. [PMID: 34268540 DOI: 10.1039/d1cc03207k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A widely applicable approach for the synthesis of Z-monofluoroalkenes from readily available alkyl triflones and NFSI has been reported. The reaction proceeded under mild conditions, affording mono-fluorinated alkenes in good to excellent yields with excellent chemo- regio- and stereoselectivity. The mechanism may involve electrophilic fluorination of triflones followed by the highly stereoselective concerted bimolecular elimination (E2) of CF3SO2H.
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Affiliation(s)
- Ren-Yin Yang
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P. R. China.
| | - Bo Xu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P. R. China.
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18
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Yang RY, Wang H, Xu B. Base promoted gem-difluoroolefination of alkyl triflones. Chem Commun (Camb) 2021; 57:4831-4834. [PMID: 33861249 DOI: 10.1039/d1cc01132d] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A new synthesis of gem-difluoroalkenes from readily available alkyl triflones and difluorocarbene precursors such as TMSCF2Br has been reported. The reaction, regardless of electronic effect, gives gem-difluoroalkenes in good to excellent yields. The mechanism may involve deprotonation of triflones, nucleophilic addition, and the elimination of SO2CF3.
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Affiliation(s)
- Ren-Yin Yang
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P. R. China.
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19
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Pan X, Cao M, Li S, Wang H, Liu X, Liu L. Synthesis of Diarylmethanes Bearing CF
3
‐ and CN‐Substituted All‐carbon Quaternary Centers and Diarylmalononitriles through Cyanation of δ‐Disubstituted
Para
‐Quinone Methides. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100095] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xiaoguang Pan
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Collaborative Innovation Center for Guangxi Ethnic Medicine School of Chemistry and Pharmaceutical Sciences Guangxi Normal University Guilin 541004 China
| | - Min Cao
- School of Chemistry and Chemical Engineering Shandong University Jinan 250100 China
| | - Song Li
- School of Chemistry and Chemical Engineering Shandong University Jinan 250100 China
| | - Hengshan Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Collaborative Innovation Center for Guangxi Ethnic Medicine School of Chemistry and Pharmaceutical Sciences Guangxi Normal University Guilin 541004 China
| | - Xigong Liu
- School of Chemistry and Chemical Engineering Shandong University Jinan 250100 China
| | - Lei Liu
- School of Chemistry and Chemical Engineering Shandong University Jinan 250100 China
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20
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Simple Synthesis of Dimethyl Nitrobenzhydrylphosphonates and Heteroarylnitroarylacetonitriles via Vicarious Nucleophilic Substitution (VNS) Reaction. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/s-0040-1707230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Acetals of dimethyl phenyl- and heteroaryl-α-hydroxymethanephosphonates were deprotonated to generate carbanions, which enter the vicarious nucleophilic substitution (VNS) of hydrogen in aromatic nitro compounds to form 4-nitrobenzhydrylphosphonates and α-heteroaryl-4-nitrobenzylphosphonates. Similarly acetals of cyanohydrins of heteroaromatic aldehydes (furfural and 2-formylthiophene) react to form heteroaryl 4-nitroarylacetonitriles. The anion of the hemiacetal of acetaldehyde is an efficient leaving group in the base-induced β-elimination step – the crucial step in the VNS reaction. The reaction selectively occurred at the para-position to the nitro group.
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21
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22
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Zheng X, Zhong T, Zhang L, Chen J, Chen Z, Jiang X, Yu C. Radical-Triggered Cyclization of Methylthio-Substituted Alkynones: Synthesis of Diverse 3-Alkylthiochromones. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000663] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | | | - Lei Zhang
- University of Technology; Hangzhou P.R.China
| | - Junyu Chen
- University of Technology; Hangzhou P.R.China
| | - Zhiwei Chen
- University of Technology; Hangzhou P.R.China
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23
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Kong Y, Wang Z. Iridium‐Catalyzed α‐Alkylation of Arylacetonitriles Using Secondary and Primary Alcohols. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000244] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Ying‐Ying Kong
- CAS Key Laboratory of Soft Matter Chemistry and Department of ChemistryUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Zhong‐Xia Wang
- CAS Key Laboratory of Soft Matter Chemistry and Department of ChemistryUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin Tianjin 300072 P. R. China
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24
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Shaughnessy KH. Monodentate Trialkylphosphines: Privileged Ligands in Metal-catalyzed Crosscoupling Reactions. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824666200211114540] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Phosphines are widely used ligands in transition metal-catalyzed reactions.
Arylphosphines, such as triphenylphosphine, were among the first phosphines to show
broad utility in catalysis. Beginning in the late 1990s, sterically demanding and electronrich
trialkylphosphines began to receive attention as supporting ligands. These ligands
were found to be particularly effective at promoting oxidative addition in cross-coupling
of aryl halides. With electron-rich, sterically demanding ligands, such as tri-tertbutylphosphine,
coupling of aryl bromides could be achieved at room temperature. More
importantly, the less reactive, but more broadly available, aryl chlorides became accessible
substrates. Tri-tert-butylphosphine has become a privileged ligand that has found application
in a wide range of late transition-metal catalyzed coupling reactions. This success
has led to the use of numerous monodentate trialkylphosphines in cross-coupling reactions. This review
will discuss the general properties and features of monodentate trialkylphosphines and their application in
cross-coupling reactions of C–X and C–H bonds.
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Affiliation(s)
- Kevin H. Shaughnessy
- Department of Chemistry & Biochemistry, The University of Alabama, Box 870336, Tuscaloosa, AL, 35487-0336, United States
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25
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Bihani M, Ansari TN, Finck L, Bora PP, Jasinski JB, Pavuluri B, Leahy DK, Handa S. Scalable α-Arylation of Nitriles in Aqueous Micelles using Ultrasmall Pd Nanoparticles: Surprising Formation of Carbanions in Water. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01196] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Manisha Bihani
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Tharique N. Ansari
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Lucie Finck
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Pranjal P. Bora
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Jacek B. Jasinski
- Materials Characterization, Conn Center for Renewable Energy Research, University of Louisville, Louisville, Kentucky 40292, United States
| | - Bhavana Pavuluri
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - David K. Leahy
- Process Chemistry Development, Takeda Pharmaceuticals International, Cambridge, Massachusetts 02139, United States
| | - Sachin Handa
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
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26
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Matsumoto K, Miki K, Tanaka R, Matsuda T, Nehira T, Hirao Y, Kurata H, Pescitelli G, Kubo T. Chiral Tetraarylmethane Derivative with Metal‐Coordinating Ability. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.201900760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kouzou Matsumoto
- Institute of Natural SciencesSenshu University 2-1-1 Higashimita Kawasaki, Kanagawa 214-8580 Japan
| | - Kaori Miki
- Department of Chemistry Graduate School of ScienceOsaka University 1-1 Machikaneyamacho Toyonaka, Osaka 560-0043 Japan
| | - Rina Tanaka
- Department of Chemistry Graduate School of ScienceOsaka University 1-1 Machikaneyamacho Toyonaka, Osaka 560-0043 Japan
| | - Takahiro Matsuda
- Faculty of Integrated Arts and SciencesHiroshima University 1-7-1 Kagamiyama Higashi-hiroshima 739-8521 Japan
| | - Tatsuo Nehira
- Graduate School of Integrated Sciences for LifeHiroshima University 1-7-1 Kagamiyama Higashi-hiroshima 739-8521 Japan
| | - Yasukazu Hirao
- Department of Chemistry Graduate School of ScienceOsaka University 1-1 Machikaneyamacho Toyonaka, Osaka 560-0043 Japan
| | - Hiroyuki Kurata
- Organization for Fundamental EducationFukui University of Technology 3-6-1 Gakuen Fukui 910-8505 Japan
| | - Gennaro Pescitelli
- Department of Chemistry, via Moruzzi 13University of Pisa 56124 Pisa Italy
| | - Takashi Kubo
- Department of Chemistry Graduate School of ScienceOsaka University 1-1 Machikaneyamacho Toyonaka, Osaka 560-0043 Japan
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27
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Chen G, Li B, Hu B, Zhang X, Fan X. FeCl3-catalyzed C-3 functionalization of imidazo[1,2-a]pyridines with diazoacetonitrile under oxidant- and ligand-free conditions. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.151774] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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28
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Yuen OY, Chen X, Wu J, So CM. Palladium-Catalyzed Direct α-Arylation of Arylacetonitriles with Aryl Tosylates and Mesylates. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000176] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- On Ying Yuen
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical Technology; The Hong Kong Polytechnic University; Hung Hom Kowloon Hong Kong
| | - Xiangmeng Chen
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical Technology; The Hong Kong Polytechnic University; Hung Hom Kowloon Hong Kong
| | - Junyu Wu
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical Technology; The Hong Kong Polytechnic University; Hung Hom Kowloon Hong Kong
| | - Chau Ming So
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical Technology; The Hong Kong Polytechnic University; Hung Hom Kowloon Hong Kong
- Shenzhen Research Institute; The Hong Kong Polytechnic University; Shenzhen People's Republic of China
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29
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Cao ZZ, Nie Z, Yang T, Su M, Li H, Luo WP, Liu Q, Guo CC. Metal-Free-Catalyzed Synthesis of Allyl Nitriles via C sp2-C sp3 Coupling between Olefins and Azobis (Alkyl-carbonitrile). J Org Chem 2020; 85:3287-3296. [PMID: 31944119 DOI: 10.1021/acs.joc.9b03127] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The metal-free-catalyzed synthesis of allyl nitriles from Csp2-Csp3 coupling between olefins and azobis was carried out. Key on this work was that the synthesis of allyl nitriles directly using olefin as a starting material was considered to be more efficient and economical than the alkyne, alkynyl carboxylic acid, or cinnamic acid used in previous works. Moreover, in this reaction, iodine served as the sole promoter, azobis served as a cyanation reagent, and N2 was the only nontoxic byproduct that could avoid the utilization of metal catalysts and virulent nitrile reagents and generation of toxic wastes. With an optimum condition in hand, more than 30 examples of desired products including aromatic and aliphatic nitriles have been synthesized in good to excellent yields. Based on control experiments and literature data, a plausible mechanism of cyanation was proposed.
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Affiliation(s)
- Zhong-Zhong Cao
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Zhiwen Nie
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Tonglin Yang
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Miaodong Su
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Hui Li
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Wei-Ping Luo
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Qiang Liu
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Can-Cheng Guo
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
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30
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Qi Y, Zhang F, Wang L, Feng A, Zhu R, Sun S, Li W, Liu L. δ-Cyano substituted para-quinone methides enable access to unsymmetric tri- and tetraarylmethanes containing all-carbon quaternary stereocenters. Org Biomol Chem 2020; 18:3522-3526. [DOI: 10.1039/d0ob00551g] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Placing an electron-withdrawing cyano group into the δ-position of para-quinone methides enables facile access to unsymmetrical tri- and tetraarylmethanes bearing all-carbon quaternary stereocenters.
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Affiliation(s)
- Yue Qi
- Department of Pharmaceutical Analysis
- School of Pharmacy
- Shandong University of Traditional Chinese Medicine
- Jinan 250355
- China
| | - Fang Zhang
- Department of pharmacy
- Jinan Central Hospital Affiliated to Shandong First Medical University
- Jinan 250013
- China
| | - Lin Wang
- Department of Pharmaceutical Analysis
- School of Pharmacy
- Shandong University of Traditional Chinese Medicine
- Jinan 250355
- China
| | - Aili Feng
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
- China
| | - Rongxiu Zhu
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
- China
| | - Shutao Sun
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
- China
| | - Wei Li
- Department of Pharmaceutical Analysis
- School of Pharmacy
- Shandong University of Traditional Chinese Medicine
- Jinan 250355
- China
| | - Lei Liu
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
- China
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31
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Yang YC, Lin YC, Wu YK. Palladium-Catalyzed Cascade Arylation of Vinylogous Esters Enabled by Tris(1-adamantyl)phosphine. Org Lett 2019; 21:9286-9290. [DOI: 10.1021/acs.orglett.9b03071] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yi-Chi Yang
- Department of Applied Chemistry, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Yi-Ching Lin
- Department of Applied Chemistry, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Yen-Ku Wu
- Department of Applied Chemistry, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
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32
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Mattalia JM, Nava P. C-C Bond Breaking in Addition-Elimination Reactions on Nitriles. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900119] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Paola Nava
- CNRS, Centrale Marseille, iSm2, Marseille; Aix-Marseille Univ; France
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33
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Havel S, Khirsariya P, Akavaram N, Paruch K, Carbain B. Preparation of 3,4-Substituted-5-Aminopyrazoles and 4-Substituted-2-Aminothiazoles. J Org Chem 2018; 83:15380-15405. [DOI: 10.1021/acs.joc.8b02655] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Stepan Havel
- Department of Chemistry, CZ Openscreen, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital Brno, Pekařská 53, 656 91 Brno, Czech Republic
| | - Prashant Khirsariya
- Department of Chemistry, CZ Openscreen, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital Brno, Pekařská 53, 656 91 Brno, Czech Republic
| | - Naresh Akavaram
- Department of Chemistry, CZ Openscreen, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital Brno, Pekařská 53, 656 91 Brno, Czech Republic
| | - Kamil Paruch
- Department of Chemistry, CZ Openscreen, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital Brno, Pekařská 53, 656 91 Brno, Czech Republic
| | - Benoit Carbain
- Department of Chemistry, CZ Openscreen, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital Brno, Pekařská 53, 656 91 Brno, Czech Republic
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34
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35
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Shirsath SR, Shinde GH, Shaikh AC, Muthukrishnan M. Accessing α-Arylated Nitriles via BF3·OEt2 Catalyzed Cyanation of para-Quinone Methides Using tert-Butyl Isocyanide as a Cyanide Source. J Org Chem 2018; 83:12305-12314. [DOI: 10.1021/acs.joc.8b01926] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sachin R. Shirsath
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110025, India
| | - Ganesh H. Shinde
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411008, India
| | - Aslam C. Shaikh
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411008, India
| | - M. Muthukrishnan
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110025, India
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36
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Michel NWM, Jeanneret ADM, Kim H, Rousseaux SAL. Nickel-Catalyzed Cyanation of Benzylic and Allylic Pivalate Esters. J Org Chem 2018; 83:11860-11872. [DOI: 10.1021/acs.joc.8b01763] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Nicholas W. M. Michel
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Alexandria D. M. Jeanneret
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Hyehwang Kim
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Sophie A. L. Rousseaux
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6, Canada
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37
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Zhang Z, Wang H, Qiu N, Kong Y, Zeng W, Zhang Y, Zhao J. Synthesis of Triarylmethanes via Palladium-Catalyzed Suzuki Coupling of Trimethylammonium Salts and Arylboronic Acids. J Org Chem 2018; 83:8710-8715. [DOI: 10.1021/acs.joc.8b00965] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Zhenming Zhang
- Key Laboratory of Chemical Biology of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Hui Wang
- Key Laboratory of Chemical Biology of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Nianli Qiu
- Key Laboratory of Chemical Biology of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Yujing Kong
- Key Laboratory of Chemical Biology of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Wenjuan Zeng
- Key Laboratory of Chemical Biology of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Yongquan Zhang
- Key Laboratory of Chemical Biology of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Junfeng Zhao
- Key Laboratory of Chemical Biology of Jiangxi Province, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
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38
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Selective ortho
C−H Cyanoalkylation of (Diacetoxyiodo)arenes through [3,3]-Sigmatropic Rearrangement. Angew Chem Int Ed Engl 2018; 57:9078-9082. [DOI: 10.1002/anie.201803455] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/07/2017] [Indexed: 01/08/2023]
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39
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Tian J, Luo F, Zhang C, Huang X, Zhang Y, Zhang L, Kong L, Hu X, Wang ZX, Peng B. Selective ortho
C−H Cyanoalkylation of (Diacetoxyiodo)arenes through [3,3]-Sigmatropic Rearrangement. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201803455] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Junsong Tian
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Fan Luo
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Chaoshen Zhang
- School of Chemistry and Chemical Engineering; University of the Chinese Academy of Sciences; Beijing 100049 China
| | - Xin Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Yage Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Lei Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Lichun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Xiaochun Hu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
| | - Zhi-Xiang Wang
- School of Chemistry and Chemical Engineering; University of the Chinese Academy of Sciences; Beijing 100049 China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials; Zhejiang Normal University; Jinhua 321004 China
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40
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Zhang S, Hu B, Zheng Z, Walsh PJ. Palladium-Catalyzed Triarylation of sp 3 C-H Bonds in Heteroarylmethanes: Synthesis of Triaryl(heteroaryl)methanes. Adv Synth Catal 2018; 360:1493-1498. [PMID: 30093851 PMCID: PMC6078434 DOI: 10.1002/adsc.201701347] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A straightforward method for the palladium-catalyzed triarylation of heteroarylmethanes at the methyl group has been developed. The reaction works with a variety of aryl halides, enabling the rapid synthesis of triaryl(heteroaryl)methanes in moderate to excellent yields.
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Affiliation(s)
- Shuguang Zhang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, People’s Republic of China
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Bowen Hu
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Zhipeng Zheng
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Patrick J. Walsh
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, People’s Republic of China
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, Pennsylvania 19104-6323, United States
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41
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Palladium-Catalyzed Direct α-Arylation of Methane Sulfonamides with Aryl Bromides. ChemistrySelect 2018. [DOI: 10.1002/slct.201702813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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42
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Luo F, Lu Y, Hu M, Tian J, Zhang L, Bao W, Yan C, Huang X, Wang ZX, Peng B. Reductive ortho C–H cyanoalkylation of aryl(heteroaryl) sulfoxides: a general approach to α-aryl(heteroaryl) nitriles. Org Chem Front 2018. [DOI: 10.1039/c8qo00268a] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A catalyst-free low-temperature cyanoalkylation has been developed as a general protocol for the synthesis of α-aryl(heteroaryl) nitriles.
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Affiliation(s)
- Fan Luo
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Yu Lu
- School of Chemical Sciences
- University of the Chinese Academy of Sciences
- Beijing 100049
- China
| | - Mengjie Hu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Junsong Tian
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Lei Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Wangzhen Bao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Chao Yan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Xin Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Zhi-Xiang Wang
- School of Chemical Sciences
- University of the Chinese Academy of Sciences
- Beijing 100049
- China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
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43
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Jillella R, Oh DH, Oh CH. Gold-catalyzed tandem reaction of 2-alkynylanilines followed by 1,6-conjugate addition to p-quinone methides: efficient access to unsymmetrical diarylindolylmethanes. NEW J CHEM 2018. [DOI: 10.1039/c8nj03955k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A simple, mild, efficient and chemoselective catalytic method for the straightforward synthesis of an interesting class of 2-aryl/alkyl-substituted-3-diaryl indolyl methanes in high yield is reported.
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Affiliation(s)
- Raveendra Jillella
- Department of Chemistry and Research Institute of Natural Science
- Hanyang University
- Seoul 04763
- South Korea
| | - Dong hwan Oh
- Department of Chemistry and Research Institute of Natural Science
- Hanyang University
- Seoul 04763
- South Korea
| | - Chang Ho Oh
- Department of Chemistry and Research Institute of Natural Science
- Hanyang University
- Seoul 04763
- South Korea
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44
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Jaiswal Y, Kumar Y, Pal J, Subramanian R, Kumar A. Rapid synthesis of polysubstituted phenanthridines from simple aliphatic/aromatic nitriles and iodo arenes via Pd(ii) catalyzed domino C–C/C–C/C–N bond formation. Chem Commun (Camb) 2018; 54:7207-7210. [DOI: 10.1039/c8cc03556c] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An efficient method has been developed for the synthesis of polysubstituted phenanthridiene via palladium catalyzed nucleophilic addition of aryl iodides to nitriles followed by dual C–H activation.
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Affiliation(s)
- Yogesh Jaiswal
- Department of Chemistry
- Indian Institute of Technology Patna
- Bihta 801106
- India
| | - Yogesh Kumar
- Department of Chemistry
- Indian Institute of Technology Patna
- Bihta 801106
- India
| | - Jagannath Pal
- Department of Chemistry
- Indian Institute of Technology Patna
- Bihta 801106
- India
| | - Ranga Subramanian
- Department of Chemistry
- Indian Institute of Technology Patna
- Bihta 801106
- India
| | - Amit Kumar
- Department of Chemistry
- Indian Institute of Technology Patna
- Bihta 801106
- India
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45
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Al-Huniti MH, Sullivan ZB, Stanley JL, Carson JA, Hyatt IFD, Hairston AC, Croatt MP. Hypervalent Iodonium Alkynyl Triflate Generated Phenylcyanocarbene and Its Reactivity with Aromatic Systems. J Org Chem 2017; 82:11772-11780. [PMID: 28841312 DOI: 10.1021/acs.joc.7b01608] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Phenylcyanocarbene was generated by the reaction of azide with a hypervalent iodonium alkynyl triflate and reacted in situ with 21 different carbocyclic and heterocyclic aromatic compounds. These reactions led to more complex products that frequently underwent subsequent rearrangements. The reactivity was further explored in a mechanistic study to ascertain the chemoselectivity and stereospecificity.
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Affiliation(s)
- Mohammed H Al-Huniti
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro , 435 Sullivan Science Building, Greensboro, North Carolina 27402, United States
| | - Zachary B Sullivan
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro , 435 Sullivan Science Building, Greensboro, North Carolina 27402, United States
| | - Jarrod L Stanley
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro , 435 Sullivan Science Building, Greensboro, North Carolina 27402, United States
| | - James A Carson
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro , 435 Sullivan Science Building, Greensboro, North Carolina 27402, United States
| | - I F Dempsey Hyatt
- Department of Chemistry, Adelphi University , 1 South Avenue, Garden City, New York 11530, United States
| | - A Christina Hairston
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro , 435 Sullivan Science Building, Greensboro, North Carolina 27402, United States
| | - Mitchell P Croatt
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro , 435 Sullivan Science Building, Greensboro, North Carolina 27402, United States
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46
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Dong CP, Kodama S, Uematsu A, Nomoto A, Ueshima M, Ogawa A. Metal-Free Blue Dye Synthesis: Oxidative Coupling of Benzylamines and N,N-Dimethylanilines to Yield 4,4′-Diaminotriarylmethanes in the Presence of Salicylic Acid as a Co-oxidant. J Org Chem 2017; 82:12530-12538. [DOI: 10.1021/acs.joc.7b02296] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Chun-ping Dong
- Department of Applied Chemistry,
Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Shintaro Kodama
- Department of Applied Chemistry,
Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akinori Uematsu
- Department of Applied Chemistry,
Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akihiro Nomoto
- Department of Applied Chemistry,
Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Michio Ueshima
- Department of Applied Chemistry,
Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akiya Ogawa
- Department of Applied Chemistry,
Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
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47
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BF 3 ·OEt 2 -mediated [1,2]-aryl shift: Synthesis of functionalized α-arylnitriles via the bromination/cyanation/deformylation of substituted deoxybenzoin. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.07.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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48
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Yim JCH, Nambo M, Crudden CM. Pd-Catalyzed Desulfonative Cross-Coupling of Benzylic Sulfone Derivatives with 1,3-Oxazoles. Org Lett 2017; 19:3715-3718. [PMID: 28665623 DOI: 10.1021/acs.orglett.7b01510] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The Pd-catalyzed desulfonative cross-coupling reaction of benzylic sulfone derivatives with 1,3-oxazoles via a deprotonative pathway has been developed. Broad substrate scope for both sulfone and 1,3-oxazole partners is observed, affording a variety of 1,3-oxazole-containing triarylmethanes. Sulfone partners that are primary benzylic, secondary benzylic, and benzhydryl are all effective. Using this method, the straightforward synthesis of multiply arylated structures has been demonstrated.
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Affiliation(s)
- Jacky C-H Yim
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University , Nagoya 464-8601, Japan
| | - Masakazu Nambo
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University , Nagoya 464-8601, Japan
| | - Cathleen M Crudden
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University , Nagoya 464-8601, Japan.,Department of Chemistry, Queen's University , Chernoff Hall, Kingston, Ontario K7L 3N6, Canada
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49
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Ablajan K, Panetti GB, Yang X, Kim BS, Walsh PJ. Synthesis of Diarylated 4-Pyridylmethyl Ethers via Palladium-Catalyzed Cross-Coupling Reactions. Adv Synth Catal 2017; 359:1927-1932. [PMID: 29230153 DOI: 10.1002/adsc.201700380] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The direct arylation of weakly acidic sp3-hybridized C-H bonds via deprotonated cross-coupling processes (DCCP) is a challenge. Herein, a Pd(NIXANTPHOS)-based catalyst for the mono arylation of 4-pyridylmethyl 2-aryl ethers to generate diarylated 4-pyridyl methyl ethers is introduced. Furthermore, under similar conditions, the diarylation of 4-pyridylmethyl ethers with aryl bromides has been developed. These methods enable the synthesis of new pyridine derivatives, which are common in medicinally active compounds and in application in materials science.
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Affiliation(s)
- Keyume Ablajan
- Key Laboratory of Oil & Gas Fine Chemicals, Ministry of Education & Xinjiang Uyghur Autonomous Region, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, PR China
| | - Grace B Panetti
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Xiaodong Yang
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, P.R. China
| | - Byeong-Seon Kim
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Patrick J Walsh
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
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50
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Nomiyama S, Ogura T, Ishida H, Aoki K, Tsuchimoto T. Indium-Catalyzed Regioselective β-Alkylation of Pyrroles with Carbonyl Compounds and Hydrosilanes and Its Application to Construction of a Quaternary Carbon Center with a β-Pyrrolyl Group. J Org Chem 2017; 82:5178-5197. [DOI: 10.1021/acs.joc.7b00446] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Shota Nomiyama
- Department of Applied Chemistry,
School of Science and Technology, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki 214-8571, Japan
| | - Takahiro Ogura
- Department of Applied Chemistry,
School of Science and Technology, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki 214-8571, Japan
| | - Hiroaki Ishida
- Department of Applied Chemistry,
School of Science and Technology, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki 214-8571, Japan
| | - Kazuki Aoki
- Department of Applied Chemistry,
School of Science and Technology, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki 214-8571, Japan
| | - Teruhisa Tsuchimoto
- Department of Applied Chemistry,
School of Science and Technology, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki 214-8571, Japan
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