1
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Hu M, Zhang S, Qin C, Nie H, Xiong Z, Shi X, Zhao Y, Li M, Wang S, Ji F, Jiang G. Selective Electrochemical Halogenation of Functionalized Quinolone. J Org Chem 2023; 88:12958-12970. [PMID: 37620989 DOI: 10.1021/acs.joc.3c00876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
This work describes an effective C3-H halogenation of quinoline-4(1H)-ones under electrochemical conditions, in which potassium halides serve as both halogenating agents and electrolytes. The protocol provides expedient access to different halogenated quinoline-4(1H)-ones with unique regioselectivity, broad substrate scope, and gram-scale synthesis employing convenient, environmentally friendly electrolysis, in an undivided cell. Mechanism studies have shown that halogen radicals can promote the activation of N-H bonds in quinolones.
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Affiliation(s)
- Meiqian Hu
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Shuai Zhang
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Changsheng Qin
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Hongsheng Nie
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Zhicheng Xiong
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Xiaoyu Shi
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Yumiao Zhao
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Mingzhe Li
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Shoucai Wang
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Fanghua Ji
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
| | - Guangbin Jiang
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
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2
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Sihag M, Soni R, Rani N, Kinger M, Kumar Aneja D. Recent Synthetic Applications of Hypervalent Iodine Reagents. A Review in Three Installments: Installment II. ORG PREP PROCED INT 2022. [DOI: 10.1080/00304948.2022.2114236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
Affiliation(s)
- Monika Sihag
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, Haryana, India
| | - Rinku Soni
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, Haryana, India
| | - Neha Rani
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, Haryana, India
| | - Mayank Kinger
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, Haryana, India
| | - Deepak Kumar Aneja
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, Haryana, India
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3
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Yang F, Wang X, Zhao W, Yu F, Yu Z. Hypervalent Iodine(III)-Promoted C3-H Regioselective Halogenation of 4-Quinolones under Mild Conditions. ACS OMEGA 2021; 6:34044-34055. [PMID: 34926952 PMCID: PMC8675166 DOI: 10.1021/acsomega.1c05455] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/17/2021] [Indexed: 06/14/2023]
Abstract
A simple and practical protocol for the C3-H regioselective halogenation of 4-quinolones by the action of potassium halide salt and PIFA/PIDA in good to excellent yields was developed. The current approach provides feasible access to the diversity of C3-halgenated 4-quinolones at room temperature with high regioselectivity and good functional group tolerance, from which bioactive compounds can be easily constructed. Moreover, the current method featured eco-friendly, operational convenience and is suitable for halogenation in a gram scale of 4-quinolones in water without sacrificing yields.
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Affiliation(s)
- Fang Yang
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
| | - Xiaoqing Wang
- Colleges
of Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic
of China
| | - Wenzhuo Zhao
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
| | - Fei Yu
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
| | - Zhengsen Yu
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
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Abstract
C-X (X = halogen) bonds are indispensable functional groups in organic synthesis
by mediating a massive number of important organic reactions. While a variety of different
catalytic strategies are available for generating C-X bonds, those methods enabling the C-X
bond formation under transition metal-free conditions via the C-H bond functionalization are
particularly interesting because of the inherent atom economy and environmental friendliness
associated with such methods. Herein, the advancements in the transition metal-free halogenation
of C(2)-H bond are reviewed.
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Affiliation(s)
- Tian Luo
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Shanghui Tian
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Jie-Ping Wan
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Yunyun Liu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
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5
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Li S, Lv H, Yu Y, Ye X, Li B, Yang S, Mo Y, Kong X. Domino N-/C- or N-/N-/C-arylation of imidazoles to yield polyaryl imidazolium salts via atom-economical use of diaryliodonium salts. Chem Commun (Camb) 2019; 55:11267-11270. [PMID: 31475281 DOI: 10.1039/c9cc05237b] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Herein, we disclose a Cu-mediated domino di-/triarylation reaction of imidazoles to efficiently access polyaryl imidazolium salts in a single step by using two aryls as well as an anion of a diaryliodonium salt. The diarylation shows high atom economy and excellent selectivity with unsymmetrical iodonium salts.
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Affiliation(s)
- Shiqing Li
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Function Materia, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, P. R. China.
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Matsuoka K, Komami N, Kojima M, Yoshino T, Matsunaga S. Synthesis of Heteroaryl Iodanes(III) viaipso‐Substitution Reactions Using Iodine Triacetate Assisted by HFIP. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900200] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Keitaro Matsuoka
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
| | - Narumi Komami
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
| | - Masahiro Kojima
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical SciencesHokkaido University Kita-ku Sapporo 060-0812 Japan
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7
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Komami N, Matsuoka K, Nakano A, Kojima M, Yoshino T, Matsunaga S. Synthesis of Functionalized Monoaryl-λ3
-iodanes through Chemo- and Site-Selective ipso
-Substitution Reactions. Chemistry 2018; 25:1217-1220. [DOI: 10.1002/chem.201805970] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Narumi Komami
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Keitaro Matsuoka
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Ayako Nakano
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Masahiro Kojima
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Sciences; Hokkaido University; Kita-ku Sapporo 060-0812 Japan
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Boelke A, Finkbeiner P, Nachtsheim BJ. Atom-economical group-transfer reactions with hypervalent iodine compounds. Beilstein J Org Chem 2018; 14:1263-1280. [PMID: 29977394 PMCID: PMC6009129 DOI: 10.3762/bjoc.14.108] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 05/02/2018] [Indexed: 12/02/2022] Open
Abstract
Hypervalent iodine compounds, in particular aryl-λ3-iodanes, have been used extensively as electrophilic group-transfer reagents. Even though these compounds are superior substrates in terms of reactivity and stability, their utilization is accompanied by stoichiometric amounts of an aryl iodide as waste. This highly nonpolar side product can be tedious to separate from the desired target molecules and significantly reduces the overall atom efficiency of these transformations. In this short review, we want to give a brief summary of recently developed methods, in which this arising former waste is used as an additional reagent in cascade transformations to generate multiple substituted products in one step and with high atom efficiency.
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Affiliation(s)
- Andreas Boelke
- Institute for Organic and Analytical Chemistry, University of Bremen, 28359 Bremen, Germany
| | - Peter Finkbeiner
- Institute for Organic and Analytical Chemistry, University of Bremen, 28359 Bremen, Germany
| | - Boris J Nachtsheim
- Institute for Organic and Analytical Chemistry, University of Bremen, 28359 Bremen, Germany
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