1
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Lu Q, He Y, Chang J, Yu W. Synthesis of 2,2-difunctionalized 2 H-azirines via I 2-mediated annulation of enamines. Org Biomol Chem 2024; 22:2292-2299. [PMID: 38407371 DOI: 10.1039/d4ob00156g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Various 2,2-difunctionalized 2H-azirines were synthesized via I2-mediated annulation reactions of readily accessible enamines in the presence of nitrogen or non-nitrogen nucleophiles. The features of the present synthesis process also include no use of transition metals, simple operation, mild reaction conditions, a broad substrate scope, and gram-scale synthesis.
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Affiliation(s)
- Qing Lu
- College of Chemistry, Pingyuan Laboratory, State Key Laboratory of Antiviral Drugs, Zhengzhou University, Zhengzhou 450001, China.
| | - Yanmin He
- College of Chemistry, Pingyuan Laboratory, State Key Laboratory of Antiviral Drugs, Zhengzhou University, Zhengzhou 450001, China.
| | - Junbiao Chang
- College of Chemistry, Pingyuan Laboratory, State Key Laboratory of Antiviral Drugs, Zhengzhou University, Zhengzhou 450001, China.
| | - Wenquan Yu
- College of Chemistry, Pingyuan Laboratory, State Key Laboratory of Antiviral Drugs, Zhengzhou University, Zhengzhou 450001, China.
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2
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Liu Q, Zhou Z, Huang Z, Zhao Y. Palladium-Catalyzed E-Selective Oxidative Amination of Aromatic Amine with 3-Butenoic Acid. J Org Chem 2023; 88:15350-15357. [PMID: 37871285 DOI: 10.1021/acs.joc.3c01843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
A palladium-catalyzed oxidative amination of inactive olefins with an aromatic amine was developed using a copper acetate oxidant to yield corresponding secondary and tertiary enamines in moderate to good yields. This new procedure outlines an efficient approach for the construction of enamine skeletons.
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Affiliation(s)
- Qianqian Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou 215123, PR China
| | - Zheng Zhou
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou 215123, PR China
| | - Zhibin Huang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou 215123, PR China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou 215123, PR China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453000, P. R. China
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3
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Chen K, Zhao B, Liu Y, Wan JP. Thiazole-5-carbaldehyde Synthesis by Cascade Annulation of Enaminones and KSCN with Dess-Martin Periodinane Reagent. J Org Chem 2022; 87:14957-14964. [PMID: 36260927 DOI: 10.1021/acs.joc.2c01881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The Dess-Martin periodinane (DMP) reagent-mediated reactions of tertiary enaminones with potassium thiocyanate for the synthesis of thiazole-5-carbaldehydes are developed. The product formation involves cascade hydroxyl thiocyanation of the C═C double bond, intramolecular hydroamination of the C≡N bond, and thiazole annulation by condensation on the ketone carbonyl site, representing novel reaction pathways in the reactions between enaminones and thiocyanate salt. DMP plays dual roles in mediating the free radical thiocyanation and inducing the unconventional selective thiazole-5-carbaldehyde formation by masking the in situ generated formyl group during the reaction process.
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Affiliation(s)
- Kang Chen
- National Research Center for Carbohydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, PR China
| | - Baoli Zhao
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, Zhejiang 312000, PR China
| | - Yunyun Liu
- National Research Center for Carbohydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, PR China.,Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, Zhejiang 312000, PR China
| | - Jie-Ping Wan
- National Research Center for Carbohydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, PR China
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4
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Wei L, Wang M, Zhao Y, Fang Y, Zhao Z, Xia B, Yu W, Chang J. Synthesis of 1,4-Dihydropyridines and Related Heterocycles by Iodine-Mediated Annulation Reactions of N-Cyclopropyl Enamines. Org Lett 2021; 23:9625-9630. [PMID: 34846145 DOI: 10.1021/acs.orglett.1c03859] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The annulation of N-cyclopropyl enamines to produce 1,4-dihydropyridine (1,4-DHP) derivatives is described. In the presence of molecular iodine (I2), an N-cyclopropyl enamine substrate undergoes iodination, opening of the cyclopropyl ring, and annulation with a second molecule of the substrate to form the 1,4-DHP product. This reaction is amenable to gram-scale operations under mild reaction conditions with no transition metals being required. Further transformations of the 1,4-DHPs leads to related pyridine and bicyclic frameworks.
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Affiliation(s)
- Lanlan Wei
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, People's Republic of China
| | - Manman Wang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, People's Republic of China
| | - Yifei Zhao
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, People's Republic of China
| | - Yingchao Fang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, People's Republic of China
| | - Zongxiang Zhao
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, People's Republic of China
| | - Biao Xia
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, People's Republic of China
| | - Wenquan Yu
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, People's Republic of China
| | - Junbiao Chang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, People's Republic of China
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5
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Transition-metal-switchable divergent synthesis of nitrile-containing pyrazolo[1,5-a]pyridines and indolizines. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.04.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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6
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Agafonova AV, Smetanin IA, Rostovskii NV, Khlebnikov AF, Novikov MS. Synthesis of 2-(2-Pyridyl)-2 H-azirines via Metal-Free C-C Cross-Coupling of Bromoazirines with 2-Stannylpyridines. Org Lett 2021; 23:8045-8049. [PMID: 34597057 DOI: 10.1021/acs.orglett.1c03060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A high-yield method for the introduction of a 2-pyridyl substituent in the C2 position of the three-membered ring of 2-bromo-2H-azirine-2-carboxylic acid derivatives by the direct cross-coupling with 2-(trialkylstannyl)pyridines has been described. The reaction works well with 3-, 4-, or 5-substituted 2-stannylpyridines and can be also employed for the synthesis of 2-(thiazol-2-yl)-2H-azirines. According to DFT calculations, the reaction proceeds through the sequence of SN2'-substitution of bromine, 1,4-stannyl shift, and [2,3]-sigmatropic shift of the pyridine ring.
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Affiliation(s)
- Anastasiya V Agafonova
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Ilia A Smetanin
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Nikolai V Rostovskii
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Alexander F Khlebnikov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Mikhail S Novikov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
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7
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Bisht GS, Dunchu TD, Gnanaprakasam B. Synthesis of Quaternary Spirooxindole 2H-Azirines under Batch and Continuous Flow Condition and Metal Assisted Umpolung Reactivity for the Ring-Opening Reaction. Chem Asian J 2021; 16:656-665. [PMID: 33464707 DOI: 10.1002/asia.202001418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/19/2021] [Indexed: 11/06/2022]
Abstract
An efficient and new approach for the synthesis of spirooxindole 2H-azirines via intramolecular oxidative cyclization of 3-(amino(phenyl)methylene)-indolin-2-one derivatives in the presence of I2 and Cs2 CO3 under batch/continuous flow is described. This method is mild and facile to synthesize a variety of spirooxindole 2H-azirines derivatives in gram-scale. Furthermore, we have synthesized spiroaziridine derivatives from spirooxindole 2H-azirines derivatives via addition of Grignard reagent. In addition, we discloses an metal assisted attack of Grignard nucleophile at N-centre rather than C- of the spirooxindole 2H-azirines, which concurrently underwent ring opening of transient aziridines to afford N-substituted Z-3-(aminophenyl)indolin-2-one. A plausible mechanism for azirination and ring-opening reaction is also presented.
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Affiliation(s)
- Girish Singh Bisht
- Department of Chemistry, Indian Institute of Science Education and Research, 411008, Pune, India
| | - Tenzin Dolkar Dunchu
- Department of Chemistry, Indian Institute of Science Education and Research, 411008, Pune, India
| | - Boopathy Gnanaprakasam
- Department of Chemistry, Indian Institute of Science Education and Research, 411008, Pune, India
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8
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Jadhav PM, Rode AB, Kótai L, Pawar RP, Tekale SU. Revisiting applications of molecular iodine in organic synthesis. NEW J CHEM 2021. [DOI: 10.1039/d1nj02560k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Molecular iodine contributes significantly to organic transformations in synthetic organic chemistry. It works effectively due to its mild Lewis acidic character, ability as an oxidizing agent, good moisture stability, and easy availability.
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Affiliation(s)
- Popat M. Jadhav
- Department of Chemistry, Deogiri College, Aurangabad 431 005, Maharashtra, India
| | - Ambadas B. Rode
- Regional Centre for Biotechnology, Faridabad-121 001, Haryana (NCR Delhi), India
| | - László Kótai
- Research Centre for Natural Sciences, ELKH, H-1117, Budapest, Hungary
| | - Rajendra P. Pawar
- Department of Chemistry, Shiv Chhatrapati College, Aurangabad 431005, Maharashtra, India
| | - Sunil U. Tekale
- Department of Chemistry, Deogiri College, Aurangabad 431 005, Maharashtra, India
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9
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Du Y, Hou J, Lu Q, Hao W, Yu W, Chang J. Iodine-mediated 1,2-aryl migration of primary benzhydryl amines. NEW J CHEM 2021. [DOI: 10.1039/d1nj02932k] [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
This iodine-mediated 1,2-aryl migration reaction of primary amines is transition-metal-free and operationally simple, and can be conducted on a gram scale.
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Affiliation(s)
- Yangxu Du
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, China
| | - Jiao Hou
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, China
| | - Qing Lu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, China
| | - Wei Hao
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, China
| | - Wenquan Yu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, China
| | - Junbiao Chang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, China
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10
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Okamoto K, Eguchi A, Ohe K. Chemistry of 2H-Azirines from Old to New — Selective Synthesis and Transformation. J SYN ORG CHEM JPN 2020. [DOI: 10.5059/yukigoseikyokaishi.78.1126] [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)
- Kazuhiro Okamoto
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
| | | | - Kouichi Ohe
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
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11
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Babaoglu E, Hilt G. Electrochemical Iodine-Mediated Oxidation of Enamino-Esters to 2H-Azirine-2-Carboxylates Supported by Design of Experiments. Chemistry 2020; 26:8879-8884. [PMID: 32220135 PMCID: PMC7497194 DOI: 10.1002/chem.202001465] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Indexed: 11/23/2022]
Abstract
An electrochemical iodine-mediated transformation of enamino-esters for the synthesis of 2H-azirine-2-carboxylates is presented. In addition, a thermic conversion of azirines to 4-carboxy-oxazoles in quantitative yield without purification was described. Both classes 2H-azirines-2-carboxylates and the 4-carboxy-oxazoles are substructures in natural products and therefore are of considerable interest for synthetic and pharmaceutical chemists. The optimization was not performed in a conventional manner with a one-factor-at-a-time process but with a Design of Experiments (DoE) approach. Beside a broad substrate scope the reaction was also employed to a robustness screen, a sensitivity assessment, and complemented with mechanistic considerations from cyclic voltammetry experiments.
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Affiliation(s)
- Emre Babaoglu
- Institut für ChemieCarl von Ossietzky Universität OldenburgCarl-von-Ossietzky Strasse 9–1126129OldenburgGermany
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Strasse 435043MarburgGermany
| | - Gerhard Hilt
- Institut für ChemieCarl von Ossietzky Universität OldenburgCarl-von-Ossietzky Strasse 9–1126129OldenburgGermany
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12
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Zhou Y, Wang Y, Song Z, Nakano T, Song Q. Cu-catalyzed C–N bond cleavage of 3-aminoindazoles for the C–H arylation of enamines. Org Chem Front 2020. [DOI: 10.1039/c9qo01177c] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
We have presented a novel Cu-catalyzed stereoselective C–H arylation of enamines by using 3-aminoindazoles arylating agents via oxidative cleavage of two C–N bonds.
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Affiliation(s)
- Yao Zhou
- Institute of Next Generation Matter Transformation
- College of Materials Science & Engineering and College of Chemical Engineering at Huaqiao University
- Xiamen
- P. R. China
| | - Ya Wang
- Institute of Next Generation Matter Transformation
- College of Materials Science & Engineering and College of Chemical Engineering at Huaqiao University
- Xiamen
- P. R. China
| | - Zhiyi Song
- Institute for Catalysis (ICAT)
- Hokkaido university
- Sapporo 001-0021
- Japan
| | - Tamaki Nakano
- Institute for Catalysis (ICAT)
- Hokkaido university
- Sapporo 001-0021
- Japan
| | - Qiuling Song
- Institute of Next Generation Matter Transformation
- College of Materials Science & Engineering and College of Chemical Engineering at Huaqiao University
- Xiamen
- P. R. China
- Fujian University Key Laboratory of Molecule Synthesis and Function Discovery
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13
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Chen W, Du Y, Wang M, Fang Y, Yu W, Chang J. Synthesis of benzo[4,5]imidazo[1,2-a]quinoxalines by I2-mediated sp3 C–H amination. Org Chem Front 2020. [DOI: 10.1039/d0qo01101k] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Benzo[4,5]imidazo[1,2-a]quinoxalines were synthesized by I2-mediated sp3 C–H amination under transition-metal free conditions in an efficient and scalable fashion.
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Affiliation(s)
- Wenjun Chen
- Green Catalysis Center
- and College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
| | - Yangxu Du
- Green Catalysis Center
- and College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
| | - Manman Wang
- Green Catalysis Center
- and College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
| | - Yingchao Fang
- Green Catalysis Center
- and College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
| | - Wenquan Yu
- Green Catalysis Center
- and College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
| | - Junbiao Chang
- Green Catalysis Center
- and College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
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14
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Fang B, Hou J, Tian J, Yu W, Chang J. Synthesis of phenanthridines by I2-mediated sp3C–H amination. Org Biomol Chem 2020; 18:3312-3323. [DOI: 10.1039/d0ob00433b] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
An I2-mediated transition-metal-free sp3C–H amination reaction is established for phenanthridine synthesis in an efficient and scalable manner.
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Affiliation(s)
- Benyao Fang
- College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
| | - Jiao Hou
- College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
| | - Jinyue Tian
- College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
| | - Wenquan Yu
- College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
| | - Junbiao Chang
- College of Chemistry
- Zhengzhou University
- Zhengzhou
- China
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15
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Ramkumar N, Voskressensky LG, Sharma UK, Van der Eycken EV. Recent approaches to the synthesis of 2H-azirines. Chem Heterocycl Compd (N Y) 2019. [DOI: 10.1007/s10593-019-02539-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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16
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Shang Z, Chen Q, Xing L, Zhang Y, Wait L, Du Y. in
situ
Formation of RSCl/ArSeCl and Their Oxidative Coupling with Enaminone Derivatives Under Transition‐metal Free Conditions. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900940] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Zhenhua Shang
- College of Chemical and Pharmaceutical EngineeringHebei University of Science and Technology; Hebei Research Center of Pharmaceutical and Chemical Engineering Shijiazhuang 050018 People's Republic of China
| | - Qingyu Chen
- College of Chemical and Pharmaceutical EngineeringHebei University of Science and Technology; Hebei Research Center of Pharmaceutical and Chemical Engineering Shijiazhuang 050018 People's Republic of China
| | - Linlin Xing
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and TechnologyTianjin University Tianjin 300072 People's Republic of China
| | - Yilin Zhang
- C. Eugene Bennett Department of ChemistryWest Virginia University, Morgantown West Virginia 26506-6045 United States
| | - Laura Wait
- School of Chemistry and Molecular BiosciencesThe University of Queensland St Lucia, Queensland 4068 Australia
| | - Yunfei Du
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and TechnologyTianjin University Tianjin 300072 People's Republic of China
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17
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Khlebnikov AF, Novikov MS, Rostovskii NV. Advances in 2H-azirine chemistry: A seven-year update. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.03.040] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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Zhi ML, Chen BZ, Deng W, Chu XQ, Loh TP, Shen ZL. Preparation of Alkyl Indium Reagents by Iodine-Catalyzed Direct Indium Insertion and Their Applications in Cross-Coupling Reactions. J Org Chem 2019; 84:3017-3023. [DOI: 10.1021/acs.joc.9b00204] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Man-Ling Zhi
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Bing-Zhi Chen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Wei Deng
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Xue-Qiang Chu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Teck-Peng Loh
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Zhi-Liang Shen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
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