1
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Moirangthem S, Ahanthem D, Khongbantabam SD, Laitonjam WS. Facile Conversion of Aryl Amines Having No α-Methylene to Aryl Nitriles. ACS OMEGA 2022; 7:31348-31351. [PMID: 36092588 PMCID: PMC9453805 DOI: 10.1021/acsomega.2c03622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/05/2022] [Indexed: 06/15/2023]
Abstract
Dimethyl carbonimidodithioates, 2 derived from various primary aryl amines (1) by reacting with carbon disulfide and methyl iodide in dimethyl formamide in the presence of concentrated sodium hydroxide, are converted to the diaziridine derivatives, 3 by reacting with hydrazine in ethanol. The diaziridines, 3 on oxidation with lead tetraacetate in refluxing xylene, extrudes nitrogen, and intramolecular stabilization, particularly 1,2-carbon migration, takes place to give the product, 5. The reaction may take place through the intermediates, diazirines, 4, which have not been isolated. This work provides a new approach for the conversion of aryl amines having no α-methylene to aryl nitriles.
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2
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Hess A, Guelen HC, Alandini N, Mourati A, Guersoy YC, Knochel P. Preparation of Polyfunctionalized Aromatic Nitriles from Aryl Oxazolines. Chemistry 2022; 28:e202103700. [PMID: 34766655 PMCID: PMC9300023 DOI: 10.1002/chem.202103700] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Indexed: 12/17/2022]
Abstract
A selective ortho,ortho'-functionalization of readily available aryl oxazolines by two successive magnesiations with sBu2 Mg in toluene followed by trapping reactions with electrophiles, such as (hetero)aryl iodides or bromides, iodine, tosyl cyanide, ethyl cyanoformate or allylic bromides (39 examples, 62-99 % yield) is reported. Treatment of these aryl oxazolines with excess oxalyl chloride and catalytic amounts of DMF (50 °C, 4 h) provided the corresponding nitriles (36 examples, 73-99 % yield). Conversions of these nitriles to valuable heterocycles are reported, and a tentative mechanism is proposed.
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Affiliation(s)
- A. Hess
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - H. C. Guelen
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - N. Alandini
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - A. Mourati
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Y. C. Guersoy
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - P. Knochel
- Department ChemieLudwig-Maximilians-Universität MünchenButenandtstrasse 5–13, Haus F81377MünchenGermany
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3
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Wang M, Liang G, Wang Y, Fan T, Yuan B, Liu M, Yin Y, Li L. Merging N-Hydroxyphthalimide into Metal-Organic Frameworks for Highly Efficient and Environmentally Benign Aerobic Oxidation. Chemistry 2021; 27:9674-9685. [PMID: 33971051 DOI: 10.1002/chem.202100987] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Indexed: 11/05/2022]
Abstract
Two highly efficient metal-organic framework catalysts TJU-68-NHPI and TJU-68-NDHPI have been successfully synthesized through solvothermal reactions of which the frameworks are merged with N-hydroxyphthalimide (NHPI) units, resulting in the decoration of pore surfaces with highly active nitroxyl catalytic sites. When t-butyl nitrite (TBN) is used as co-catalyst, the as-synthesized MOFs are demonstrated to be highly efficient and recyclable catalysts for a novel three-phase heterogeneous oxidation of activated C-H bond of primary and secondary alcohols, and benzyl compounds under mild conditions. Based on the high efficiency and selectivity, an environmentally benign system with good sustainability, mild conditions, simple work-up procedure has been established for practical oxidation of a wide range of substrates.
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Affiliation(s)
- Man Wang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Gan Liang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Yunhao Wang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Tao Fan
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Baoling Yuan
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Mingxian Liu
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Ying Yin
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Liangchun Li
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
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4
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Zheng Y, Zhao Y, Tao S, Li X, Cheng X, Jiang G, Wan X. Green Esterification of Carboxylic Acids Promoted by
tert
‐Butyl Nitrite. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yonggao Zheng
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Yanwei Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Suyan Tao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Xingxing Li
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Xionglve Cheng
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Gangzhong Jiang
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
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5
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Wang F, Chen T, Shi Y, Yu L. AIBN‐Initiated Oxidative Deoximation Reaction: A Metal‐Free and Environmentally‐Friendly Protocol. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000675] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Feng Wang
- School of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 P. R. China
| | - Tian Chen
- School of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 P. R. China
| | - Yaocheng Shi
- School of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 P. R. China
| | - Lei Yu
- School of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 P. R. China
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6
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Murugesan K, Donabauer K, König B. Visible-Light-Promoted Metal-Free Synthesis of (Hetero)Aromatic Nitriles from C(sp 3 )-H Bonds*. Angew Chem Int Ed Engl 2021; 60:2439-2445. [PMID: 33053270 PMCID: PMC7898869 DOI: 10.1002/anie.202011815] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 09/29/2020] [Indexed: 01/18/2023]
Abstract
The metal-free activation of C(sp3 )-H bonds to value-added products is of paramount importance in organic synthesis. We report the use of the commercially available organic dye 2,4,6-triphenylpyrylium tetrafluoroborate (TPP) for the conversion of methylarenes to the corresponding aryl nitriles via a photocatalytic process. Applying this methodology, a variety of cyanobenzenes have been synthesized in good to excellent yield under metal- and cyanide-free conditions. We demonstrate the scope of the method with over 50 examples including late-stage functionalization of drug molecules (celecoxib) and complex structures such as l-menthol, amino acids, and cholesterol derivatives. Furthermore, the presented synthetic protocol is applicable for gram-scale reactions. In addition to methylarenes, selected examples for the cyanation of aldehydes, alcohols and oximes are demonstrated as well. Detailed mechanistic investigations have been carried out using time-resolved luminescence quenching studies, control experiments, and NMR spectroscopy as well as kinetic studies, all supporting the proposed catalytic cycle.
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Affiliation(s)
| | | | - Burkhard König
- Faculty of Chemistry and PharmacyUniversity of RegensburgGermany
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7
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Murugesan K, Donabauer K, König B. Visible‐Light‐Promoted Metal‐Free Synthesis of (Hetero)Aromatic Nitriles from C(sp
3
)−H Bonds**. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
| | | | - Burkhard König
- Faculty of Chemistry and Pharmacy University of Regensburg Germany
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8
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Shee M, Shah SS, Singh NDP. Photocatalytic Conversion of Benzyl Alcohols/Methyl Arenes to Aryl Nitriles via H‐Abstraction by Azide Radical. Chemistry 2020; 26:14070-14074. [PMID: 32516474 DOI: 10.1002/chem.202001332] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 05/27/2020] [Indexed: 01/11/2023]
Affiliation(s)
- Maniklal Shee
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - Sk. Sheriff Shah
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - N. D. Pradeep Singh
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
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9
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Dahiya A, Sahoo AK, Alam T, Patel BK. tert
‐Butyl Nitrite (TBN), a Multitasking Reagent in Organic Synthesis. Chem Asian J 2019; 14:4454-4492. [DOI: 10.1002/asia.201901072] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Anjali Dahiya
- Department of ChemistryIndian Institute of Technology Guwahati Guwahati- 781039 India
| | - Ashish Kumar Sahoo
- Department of ChemistryIndian Institute of Technology Guwahati Guwahati- 781039 India
| | - Tipu Alam
- Department of ChemistryIndian Institute of Technology Guwahati Guwahati- 781039 India
| | - Bhisma K. Patel
- Department of ChemistryIndian Institute of Technology Guwahati Guwahati- 781039 India
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10
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Meng H, Gao S, Luo M, Zeng X. Iron and Phenol Co-Catalysis for Rapid Synthesis of Nitriles under Mild Conditions. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900831] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Hong Meng
- Key Laboratory of Green Chemistry and Technology (MOE); College of Chemistry; Sichuan University; 610064 Chengdu People's Republic of China
| | - Sen Gao
- Key Laboratory of Green Chemistry and Technology (MOE); College of Chemistry; Sichuan University; 610064 Chengdu People's Republic of China
| | - Meiming Luo
- Key Laboratory of Green Chemistry and Technology (MOE); College of Chemistry; Sichuan University; 610064 Chengdu People's Republic of China
| | - Xiaoming Zeng
- Key Laboratory of Green Chemistry and Technology (MOE); College of Chemistry; Sichuan University; 610064 Chengdu People's Republic of China
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11
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Jiao YX, Wei LS, Zhao CY, Wei K, Mo DL, Pan CX, Su GF. Isobutyl Nitrite-Mediated Synthesis of Quinoxalines through Double C−H Bond Amination of N
-Aryl Enamines. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800928] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Yan-Xiao Jiao
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004, People's Republic of China
| | - Lin-Su Wei
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004, People's Republic of China
| | - Chun-Yang Zhao
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004, People's Republic of China
| | - Kai Wei
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004, People's Republic of China
| | - Dong-Liang Mo
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004, People's Republic of China
| | - Cheng-Xue Pan
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004, People's Republic of China
| | - Gui-Fa Su
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; School of Chemistry and Pharmaceutical Sciences; Guangxi Normal University; 15 Yu Cai Road Guilin 541004, People's Republic of China
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12
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Wang DJ, Chen BY, Wang YQ, Zhang XW. Ruthenium-Catalyzed Direct Transformation of Alkenyl Oximes to 5-Cyanated Isoxazolines: A Cascade Approach Based on Non-Stabilized Radical Intermediate. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701651] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Dan-Jun Wang
- National Engineering Research Center for Carbohydrate Synthesis; Jiangxi Normal University; 330022 Nanchang China
| | - Bei-Yi Chen
- National Engineering Research Center for Carbohydrate Synthesis; Jiangxi Normal University; 330022 Nanchang China
| | - Yi-Qi Wang
- National Engineering Research Center for Carbohydrate Synthesis; Jiangxi Normal University; 330022 Nanchang China
| | - Xiao-Wei Zhang
- National Engineering Research Center for Carbohydrate Synthesis; Jiangxi Normal University; 330022 Nanchang China
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13
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Sun W, Gao L, Feng X, Sun X, Zheng G. Highly Efficient Catalytic Oxidation of Inert C(sp3
)-H Bonds by the Synergistic Effect of Copper Nanoparticles/N-Doped Graphene. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701286] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Wei Sun
- School of Chemistry and Chemical Engineering; University of Jinan; No. 336 West Road of 250022 Nan Xinzhuang Jinan P. R. China
| | - Lingfeng Gao
- School of Chemistry and Chemical Engineering; University of Jinan; No. 336 West Road of 250022 Nan Xinzhuang Jinan P. R. China
| | - Xue Feng
- School of Chemistry and Chemical Engineering; University of Jinan; No. 336 West Road of 250022 Nan Xinzhuang Jinan P. R. China
| | - Xu Sun
- School of Chemistry and Chemical Engineering; University of Jinan; No. 336 West Road of 250022 Nan Xinzhuang Jinan P. R. China
| | - Gengxiu Zheng
- School of Chemistry and Chemical Engineering; University of Jinan; No. 336 West Road of 250022 Nan Xinzhuang Jinan P. R. China
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14
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Affiliation(s)
- Guobing Yan
- Department of Chemistry; Lishui University; Lishui Zhejiang 323000 People's Republic of China
| | - Yan Zhang
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; College of Chemistry; Peking University; Beijing 100871 People's Republic of China
| | - Jianbo Wang
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; College of Chemistry; Peking University; Beijing 100871 People's Republic of China
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15
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Senadi GC, Wang JQ, Gore BS, Wang JJ. Bis(dibenzylideneacetone)palladium(0)/tert-Butyl Nitrite- Catalyzed Cyclization ofo-Alkynylanilines withtert-Butyl Nitrite: Synthesis and Applications of Indazole 2-Oxides. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700456] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Gopal Chandru Senadi
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University; No. 100, Shih-Chuan 1st Rd, Sanmin district Kaohsiung City 807 Taiwan
| | - Ji-Qi Wang
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University; No. 100, Shih-Chuan 1st Rd, Sanmin district Kaohsiung City 807 Taiwan
| | - Babasaheb Sopan Gore
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University; No. 100, Shih-Chuan 1st Rd, Sanmin district Kaohsiung City 807 Taiwan
| | - Jeh-Jeng Wang
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University; No. 100, Shih-Chuan 1st Rd, Sanmin district Kaohsiung City 807 Taiwan
- Department of Medical Research; Kaohsiung Medical University Hospital; No. 100, Tzyou 1st Rd, Sanmin District Kaohsiung City 807 Taiwan
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16
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Hyodo K, Kitagawa S, Yamazaki M, Uchida K. Iron-Catalyzed Dehydration of Aldoximes to Nitriles Requiring Neither Other Reagents Nor Nitrile Media. Chem Asian J 2016; 11:1348-52. [DOI: 10.1002/asia.201600085] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Kengo Hyodo
- Department of Material Chemistry; Faculty of Science and Technology; Ryukoku University; Seta Otsu Shiga 520-2194 Japan
| | - Saki Kitagawa
- Department of Material Chemistry; Faculty of Science and Technology; Ryukoku University; Seta Otsu Shiga 520-2194 Japan
| | - Masayuki Yamazaki
- Department of Material Chemistry; Faculty of Science and Technology; Ryukoku University; Seta Otsu Shiga 520-2194 Japan
| | - Kingo Uchida
- Department of Material Chemistry; Faculty of Science and Technology; Ryukoku University; Seta Otsu Shiga 520-2194 Japan
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17
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Zhou S, Li J, Schlangen M, Schwarz H. Mechanistic Aspects of the Holmium-Mediated, Reciprocal Hydrogen/Sulfur Exchange in the Gas Phase: C6
H5
CH3
+CH2
S→C6
H5
CHS+CH4. Chemistry 2016; 22:4336-9. [DOI: 10.1002/chem.201600061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Shaodong Zhou
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Jilai Li
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
- Institute of Theoretical Chemistry; Jilin University; Changchun 130023 P. R. China
| | - Maria Schlangen
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Helmut Schwarz
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
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18
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Zhu Y, Li L, Shen Z. Cu-Catalyzed Cyanation of Arylboronic Acids with Acetonitrile: A Dual Role of TEMPO. Chemistry 2015; 21:13246-52. [DOI: 10.1002/chem.201501823] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Indexed: 01/07/2023]
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19
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Xu WB, Xu QH, Zhang ZF, Li JZ. Copper(I)-Oxide-Mediated Cyanation of Arenediazonium Tetrafluoroborates with Trimethylsilyl Cyanide: A Method for Synthesizing Aromatic Nitriles. ASIAN J ORG CHEM 2014. [DOI: 10.1002/ajoc.201402084] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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20
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Chen F, Huang X, Li X, Shen T, Zou M, Jiao N. Dehydrogenative N-Incorporation: A Direct Approach to QuinoxalineN-Oxides under Mild Conditions. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201406479] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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21
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Chen F, Huang X, Li X, Shen T, Zou M, Jiao N. Dehydrogenative N-Incorporation: A Direct Approach to QuinoxalineN-Oxides under Mild Conditions. Angew Chem Int Ed Engl 2014; 53:10495-9. [DOI: 10.1002/anie.201406479] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 07/07/2014] [Indexed: 01/17/2023]
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22
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Shu Z, Ji W, Wang X, Zhou Y, Zhang Y, Wang J. Iron(II)-Catalyzed Direct Cyanation of Arenes with Aryl(cyano)iodonium Triflates. Angew Chem Int Ed Engl 2014; 53:2186-9. [DOI: 10.1002/anie.201309791] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Revised: 12/27/2013] [Indexed: 11/08/2022]
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23
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Shu Z, Ji W, Wang X, Zhou Y, Zhang Y, Wang J. Iron(II)-Catalyzed Direct Cyanation of Arenes with Aryl(cyano)iodonium Triflates. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201309791] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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24
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Wu D, Zhang J, Cui J, Zhang W, Liu Y. AgNO2-mediated direct nitration of the quinoxaline tertiary benzylic C–H bond and direct conversion of 2-methyl quinoxalines into related nitriles. Chem Commun (Camb) 2014; 50:10857-60. [DOI: 10.1039/c4cc01327a] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A unique method for AgNO2-mediated direct nitration of the quinoxaline tertiary C–H bond and direct conversion of 2-methyl quinoxalines into 2-quinoxaline nitriles under oxidative conditions has been developed.
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Affiliation(s)
- Degui Wu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Zhejiang University of Technology
- Hangzhou 310014, P. R. China
| | - Jian Zhang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Zhejiang University of Technology
- Hangzhou 310014, P. R. China
| | - Jianhai Cui
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Zhejiang University of Technology
- Hangzhou 310014, P. R. China
| | - Wei Zhang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Zhejiang University of Technology
- Hangzhou 310014, P. R. China
| | - Yunkui Liu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology
- Zhejiang University of Technology
- Hangzhou 310014, P. R. China
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25
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Kou X, Zhao M, Qiao X, Zhu Y, Tong X, Shen Z. Copper-Catalyzed Aromatic CH Bond Cyanation by CCN Bond Cleavage of Inert Acetonitrile. Chemistry 2013; 19:16880-6. [DOI: 10.1002/chem.201303637] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2013] [Indexed: 01/07/2023]
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