1
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Rhodium(III)‐Catalyzed Cascade C−H Activation/Annulation of
N
‐carbamoylindoles with Silyl Enol Ethers for the Construction of Dihydropyrimidoindolone Skeletons. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100415] [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]
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2
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Ghosh P, Das S. The C-H functionalization of N-alkoxycarbamoyl indoles by transition metal catalysis. Org Biomol Chem 2021; 19:7949-7969. [PMID: 34490862 DOI: 10.1039/d1ob01121a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Indole and its congeners are ubiquitous nitrogen-containing organic scaffolds present in a plethora of natural products, marketed drugs, and other organic functional molecules. Recent years have witnessed tremendous advances in the diversification of this motif and its biological applications via transition-metal-catalyzed auxiliary assisted site-selective inert C-H functionalization. In this burgeoning field, N-methoxy/ethoxy/pivaloxy amide functionality has emerged as a most potent auxiliary/DG (directing group) for a wide range of C-C and C-heteroatom bond formations, providing a new advance for forging structurally fabricated polycyclic indole frameworks. This review aims to highlight evolved transformations, like arylation, alkylation, alkenylation, allylation, amidation, difluorovinylation, deuteration, hydroarylation, etc., and the applications of N-alkoxycarbamoyl indole derivatives made within the period of 2014-August 2021. Additionally, explicit mechanistic underpinnings have also been provided in the appropriate places.
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Affiliation(s)
- Prasanjit Ghosh
- Department of Chemistry, University of North Bengal, Darjeeling - 734013, India.
| | - Sajal Das
- Department of Chemistry, University of North Bengal, Darjeeling - 734013, India.
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3
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Chemo‐ and Regioselective Synthesis of Functionalized 1
H
‐imidazo[1,5‐
a
]indol‐3(2
H
)‐ones via a Redox‐Neutral Rhodium(III)‐Catalyzed [4+1] Annulation between Indoles and Alkynes. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100555] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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4
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Zhao F, Qiao J, Lu Y, Zhang X, Dai L, Liu S, Ni H, Jia X, Wu X, Lu S. Redox-Neutral Rhodium(III)-Catalyzed Chemospecific and Regiospecific [4+1] Annulation between Indoles and Alkenes for the Synthesis of Functionalized Imidazo[1,5- a]indoles. J Org Chem 2021; 86:10591-10607. [PMID: 34297561 DOI: 10.1021/acs.joc.1c01256] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Exploiting internal alkenes embedded with an oxidizing function/leaving group as a rare and unconventional one-carbon unit, a redox-neutral rhodium(III)-catalyzed chemo- and regiospecific [4+1] annulation between indoles and alkenes for the synthesis of functionalized imidazo[1,5-a]indoles has been achieved. Internal alkenes employed here can fulfill an unusual [4+1] annulation rather than normal [4+2] annulation/C-H alkenylation. This method is characterized by excellent chemo- and regioselectivity, broad substrate scope, good functional group tolerance, good to high yields, and redox-neutral conditions.
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Affiliation(s)
- Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China.,Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Jin Qiao
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Yangbin Lu
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Xiaoning Zhang
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Long Dai
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Siyu Liu
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Hangcheng Ni
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Xiuwen Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xiaowei Wu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P. R. China.,Zhongshan Institute for Drug Discovery, the Institutes of Drug Discovery and Development, Chinese Academy of Sciences, Zhongshan 528400, P. R. China
| | - Shiyao Lu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China.,Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
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5
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Xie H, Zhong M, Kang H, Shu B, Zhang S. A Cascade Rh(III)‐catalyzed C−H Activation/Chemodivergent Annulation of
N
‐carbamoylindoles with Sulfoxonium Ylides for the Synthesis of Dihydropyrimidoindolone and Tricyclic [1,3]Oxazino[3,4‐
a
]indol‐1‐ones Derivatives. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001380] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Hui Xie
- Center for Drug Research and Development Guangdong Pharmaceutical University Guangzhou 510006 People's Republic of China
| | - Mei Zhong
- School of Pharmacy Guangdong Pharmaceutical University Guangzhou 510006 People's Republic of China
| | - Hua‐Jie Kang
- School of Pharmacy Guangdong Pharmaceutical University Guangzhou 510006 People's Republic of China
| | - Bing Shu
- School of Pharmacy Guangdong Pharmaceutical University Guangzhou 510006 People's Republic of China
| | - Shang‐Shi Zhang
- Center for Drug Research and Development Guangdong Pharmaceutical University Guangzhou 510006 People's Republic of China
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6
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Shu S, Huang Z, Chen Y, Yang S, Jiang Y, Zhang J, Zhao Y. Rh(III)-Catalyzed [4+2] Annulation of Indoles with Sulfoxonium Ylides for the Synthesis of Dihydropyrimidoindolone Derivatives. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202103027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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Chen J, Zhong T, Zheng X, Yin C, Zhang L, Zhou J, Jiang X, Yu C. Selective Synthesis of Fused Tricyclic [1,3]oxazino[3,4‐
a
]indolone and Dihydropyrimido [1,6‐a]indolone
via
Rh(III)‐catalyzed [3+3] or [4+2] C−H Annulation. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202001286] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Junyu Chen
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Tianshuo Zhong
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Xiangyun Zheng
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Chuanliu Yin
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Lei Zhang
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Jian Zhou
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Xinpeng Jiang
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Chuanming Yu
- College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310014 People's Republic of China
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8
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Zeng L, Lin Y, Cui S. Indole‐
N
‐Carboxylic Acids and Indole‐
N
‐Carboxamides in Organic Synthesis. Chem Asian J 2020; 15:973-985. [DOI: 10.1002/asia.201901806] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 02/07/2020] [Indexed: 12/27/2022]
Affiliation(s)
- Linwei Zeng
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesZhejiang University Hangzhou 310058 China
| | - Yuxin Lin
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesZhejiang University Hangzhou 310058 China
| | - Sunliang Cui
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesZhejiang University Hangzhou 310058 China
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9
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Zhu G, Shi W, Gao H, Zhou Z, Song H, Yi W. Chemodivergent Couplings of N-Arylureas and Methyleneoxetanones via Rh(III)-Catalyzed and Solvent-Controlled C–H Activation. Org Lett 2019; 21:4143-4147. [PMID: 31124685 DOI: 10.1021/acs.orglett.9b01333] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Guoxun Zhu
- School of Chemical Engineering and Technology, Sun Yat-sen University, Guangzhou, Guangdong 510275, China
| | - Wendi Shi
- School of Chemical Engineering and Technology, Sun Yat-sen University, Guangzhou, Guangdong 510275, China
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Hui Gao
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Zhi Zhou
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Huacan Song
- School of Chemical Engineering and Technology, Sun Yat-sen University, Guangzhou, Guangdong 510275, China
| | - Wei Yi
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
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10
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Zhang LB, Zhu MH, Du WB, Ni SF, Wen LR, Li M. Silver-promoted regioselective [4+2] annulation reaction of indoles with alkenes to construct dihydropyrimidoindolone scaffolds. Chem Commun (Camb) 2019; 55:14383-14386. [DOI: 10.1039/c9cc07098b] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
An AgI-promoted regioselective [4+2] annulation reaction of indoles with alkenes has been established.
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Affiliation(s)
- Lin-Bao Zhang
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Ming-Hui Zhu
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Wu-Bo Du
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Shao-Fei Ni
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Li-Rong Wen
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Ming Li
- State Key Laboratory Base of Eco-Chemical Engineering
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
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11
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Kong WJ, Chen X, Wang M, Dai HX, Yu JQ. Rapid Syntheses of Heteroaryl-Substituted Imidazo[1,5-a]indole and Pyrrolo[1,2-c]imidazole via Aerobic C2-H Functionalizations. Org Lett 2018; 20:284-287. [PMID: 29256621 PMCID: PMC5993056 DOI: 10.1021/acs.orglett.7b03596] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Here we report an aerobic Pd(0) catalyzed C2-H functionalization of indoles and pyrroles with tethered N-methoxylamide as the directing group. A Pd(0)-initiated mechanism overcomes the directing or poisoning effect from a wide range of heterocycles including pyridine, pyrimidine, and thiazole. The imidazo[1,5-a]indole products are transformed to bioactive analogs after one-step manipulations, demonstrating the potential utility of this reaction in drug discovery.
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Affiliation(s)
- Wei-Jun Kong
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 20032, China
| | - Xingrong Chen
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 20032, China
| | - Mingming Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 20032, China
| | - Hui-Xiong Dai
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 20032, China
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Road Zu Chong Zhi, Zhangjiang Hi-Tech Park, Shanghai, 201203, China
| | - Jin-Quan Yu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 20032, China
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, USA
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12
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Zheng G, Tian M, Xu Y, Chen X, Li X. Rhodium(iii)-catalyzed annulative coupling between arenes and sulfoxonium ylides via C–H activation. Org Chem Front 2018. [DOI: 10.1039/c7qo01033h] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Sulfoxonium ylides acts as a bifunctional C2-synthon in Rh(iii)-catalyzed redox-neutral annulative coupling with arenes for the synthesis of N-heterocycles and carbocycles.
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Affiliation(s)
- Guangfan Zheng
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Miaomiao Tian
- School of Chemistry and Chemical Engineering
- Henan Normal University
- Xinxiang 453007
- China
| | - Youwei Xu
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Xiaohong Chen
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Xingwei Li
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
- School of Chemistry and Chemical Engineering
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13
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Huang JR, Bolm C. Microwave-Assisted Synthesis of Heterocycles by Rhodium(III)-Catalyzed Annulation of N
-Methoxyamides with α-Chloroaldehydes. Angew Chem Int Ed Engl 2017; 56:15921-15925. [DOI: 10.1002/anie.201710776] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Ji-Rong Huang
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
- School of Pharmacy; Huazhong University of Science and Technology; Wuhan Hubei 430030 China
| | - Carsten Bolm
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
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14
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Huang JR, Bolm C. Microwave-Assisted Synthesis of Heterocycles by Rhodium(III)-Catalyzed Annulation of N
-Methoxyamides with α-Chloroaldehydes. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201710776] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Ji-Rong Huang
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
- School of Pharmacy; Huazhong University of Science and Technology; Wuhan Hubei 430030 China
| | - Carsten Bolm
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
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15
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Yang C, Song F, Chen J, Huang Y. Construction of Pyridazine Analogues via
Rhodium-mediated C-H Activation. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700905] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Chao Yang
- Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology; Peking University; Shenzhen Graduate School; Shenzhen 518055 People's Republic of China
| | - Feifei Song
- Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology; Peking University; Shenzhen Graduate School; Shenzhen 518055 People's Republic of China
| | - Jiean Chen
- Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology; Peking University; Shenzhen Graduate School; Shenzhen 518055 People's Republic of China
| | - Yong Huang
- Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology; Peking University; Shenzhen Graduate School; Shenzhen 518055 People's Republic of China
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