1
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Wu SF, Zhang GK, Wang X, He ZJ, Zhang YC, Shi F. Organocatalytic Diastereoselective (4 + 1) Cycloaddition of o-Hydroxyphenyl-Substituted Secondary Phosphine Oxides. J Org Chem 2023; 88:16497-16510. [PMID: 37982674 DOI: 10.1021/acs.joc.3c01990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
The first organocatalytic diastereoselective (4 + 1) cycloaddition of o-hydroxyphenyl-substituted secondary phosphine oxides (SPOs) has been established, which makes use of o-hydroxyphenyl substituted SPOs as suitable four-atom phosphorus-containing 1,4-dinucleophiles and 3-indolylformaldehydes as competent 1,1-dielectrophiles under Bro̷nsted acid catalysis. The reaction mechanism was suggested to involve the formation of 3-indolylmethanol intermediates and vinyliminium intermediates, which played an important role in controlling the reactivity and diastereoselectivity of the (4 + 1) cycloaddition under Bro̷nsted acid catalysis. By this approach, a series of benzo oxaphospholes bearing P- and C-stereocenters were synthesized in moderate to good yields (50%-95% yields) with excellent diastereoselectivities (all >95:5 dr). This reaction not only represents the first organocatalytic diastereoselective (4 + 1) cycloaddition of o-hydroxyphenyl-substituted SPOs but also provides an efficient and diastereoselective method for the construction of phosphorus-containing benzo five-membered heterocyclic skeletons bearing both P-stereocenter and C-stereocenter.
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Affiliation(s)
- Shu-Fang Wu
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Guo-Ke Zhang
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Xue Wang
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Zhuo-Jing He
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Yu-Chen Zhang
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Feng Shi
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
- School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
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2
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Li J, Zhuang Z, Guo J, Dong X, Gong J, Tang BZ, Zhao Z. Free Radical-Mediated Photocyclization of Triphenylphosphindole Oxides for Photoactivated and Self-Reported Lipid Peroxidation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2305516. [PMID: 37870212 PMCID: PMC10724397 DOI: 10.1002/advs.202305516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/27/2023] [Indexed: 10/24/2023]
Abstract
Photocyclization is demonstrated as a powerful tool for building complicated polycyclic molecules. And efficient photocyclization is competent as an artful strategy to develop photo-responsive smart materials. Herein, an efficient free radical-mediated photocyclization for triphenylphosphindole oxide (TPPIO) derivatives to generate tribenzophosphindole oxide (TBPIO) derivatives at ambient condition is reported. The reaction mechanism and substituent effect on photocyclization efficiency are thoroughly investigated. Additionally, photophysical and photochemical properties of TPPIO and TBPIO derivatives are measured for comparison and deeply deciphered by theoretical calculation. TPPIO derivatives own typical aggregation-induced emission feature but barely generate reactive oxygen species (ROS), while TBPIO derivatives experience aggregation-caused quenching but show efficient Type I ROS generation capacity. Further, in vitro experiments demonstrate that this photo-conversion can efficiently occur in situ in living cells to activate photodynamic therapy (PDT) effect to trigger lipid peroxidation with selective fluorescence "light up" in lipid droplet area under continuous irradiation. This work extends the optoelectronically and biologically interesting phosphindole oxide-containing π-conjugated systems through an efficient synthetic strategy, provides in-depth mechanistic descriptions in the aspects of reaction and property, and further presents their great potentials for photoactivated and self-reported PDT.
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Affiliation(s)
- Jianqing Li
- State Key Laboratory of Luminescent Materials and DevicesKey Laboratory of Luminescence from Molecular Aggregates of Guangdong ProvinceSouth China University of TechnologyGuangzhou510640China
| | - Zeyan Zhuang
- State Key Laboratory of Luminescent Materials and DevicesKey Laboratory of Luminescence from Molecular Aggregates of Guangdong ProvinceSouth China University of TechnologyGuangzhou510640China
- School of ChemistryChemical Engineering and BiotechnologyNanyang Technological University21 Nanyang LinkSingapore637371Singapore
| | - Jingjing Guo
- State Key Laboratory of Luminescent Materials and DevicesKey Laboratory of Luminescence from Molecular Aggregates of Guangdong ProvinceSouth China University of TechnologyGuangzhou510640China
- School of ChemistryChemical Engineering and BiotechnologyNanyang Technological University21 Nanyang LinkSingapore637371Singapore
| | - Xiaobin Dong
- State Key Laboratory of Luminescent Materials and DevicesKey Laboratory of Luminescence from Molecular Aggregates of Guangdong ProvinceSouth China University of TechnologyGuangzhou510640China
| | - Junyi Gong
- School of Science and EngineeringShenzhen Institute of Aggregate Science and TechnologyThe Chinese University of Hong KongShenzhenGuangdong518172China
| | - Ben Zhong Tang
- School of Science and EngineeringShenzhen Institute of Aggregate Science and TechnologyThe Chinese University of Hong KongShenzhenGuangdong518172China
| | - Zujin Zhao
- State Key Laboratory of Luminescent Materials and DevicesKey Laboratory of Luminescence from Molecular Aggregates of Guangdong ProvinceSouth China University of TechnologyGuangzhou510640China
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3
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Qiu YF, Chen SP, Cao JH, Wang S, Li JH, Li M, Quan ZJ, Wang XC, Liang YM. Access to Polysubstituted Halophosphorylated Dihydrofurans via Halotrimethylsilane-Promoted Cascade Cyclization of γ-Hydroxyl Ynones with Diphenylphosphine Oxides. Org Lett 2022; 24:8609-8614. [DOI: 10.1021/acs.orglett.2c03323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Yi-Feng Qiu
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Shi-Peng Chen
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, P. R. China
| | - Jian-He Cao
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Shutao Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, P. R. China
| | - Jin-Hao Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Ming Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zheng-Jun Quan
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Xi-Cun Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, P. R. China
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4
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Wang J, Bai PB, Yang SD. Palladium-catalyzed relay C–H functionalization to construct novel hybrid-arylcyclophosphorus ligand precursors. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.10.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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5
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Qiu YF, Chen SP, Cao JH, Li M, Quan ZJ, Wang XC, Liang YM. Iron(II)-Catalyzed Bisphosphorylation Cascade Cycloisomerization of γ-Hydroxyl Ynones and Diphenylphosphine Oxides: Synthesis of Highly Substituted Bisphosphorylated Dihydrofuran Derivatives. Org Lett 2022; 24:2264-2268. [PMID: 35289628 DOI: 10.1021/acs.orglett.2c00795] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An iron(II)-catalyzed bisphosphorylation cascade cycloisomerization of readily accessible γ-hydroxyl ynones and diphenylphosphine oxides is described. This strategy provides a variety of valuable polysubstituted bisphosphorylated dihydrofuran scaffolds via the construction of two C-P bonds and one C-O bond within a single procedure. This developed reaction system demonstrates good functional group compatibilities with considerably low catalyst consumption (as low as 1%), which could be further scaled up to gram quantities in satisfactory yields.
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Affiliation(s)
- Yi-Feng Qiu
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Shi-Peng Chen
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Jian-He Cao
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Ming Li
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Zheng-Jun Quan
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Xi-Cun Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
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6
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H-phosphinates, H-phosphonates and secondary phosphine oxides in radical reactions and strategy analysis. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153352] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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7
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Chakraborty N, Dahiya A, Rakshit A, Modi A, Patel BK. An expedient route to tricyanovinylindoles and indolylmaleimides from o-alkynylanilines utilising DMSO as a one-carbon synthon. Org Biomol Chem 2021; 19:6847-6857. [PMID: 34318852 DOI: 10.1039/d1ob01086g] [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 Pd(ii)/Cu(ii) catalysed domino synthesis of tricyanovinylindoles has been achieved using DMSO as a one-carbon synthon. The reaction proceeds via the construction of 2-aryl-3-formyl indole followed by sequential addition of malononitrile and a CN resulting in two C-C, one C[double bond, length as m-dash]C and one C-N bonds in the final product. Furthermore, post-synthetic modification results in the unprecedented formation of 4-cyano-3-indolylmaleimides. Photophysical studies of selected compounds show emission in the visible range.
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Affiliation(s)
- Nikita Chakraborty
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, Assam, India.
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8
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Wu Y, Zhang T, Hao W, Tu S, Jiang B. Metal‐Free Radical Annulation‐Hydrofunctionalization of 1,6‐Enynes for Stereoselective Synthesis of (
E
)‐1‐Indanones. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000197] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ya‐Nan Wu
- School of Chemistry & Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
- School of Chemistry and Chemical EngineeringNantong University Nantong 226019 P. R. China
| | - Tian‐Shu Zhang
- School of Chemistry & Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Wen‐Juan Hao
- School of Chemistry & Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Shu‐Jiang Tu
- School of Chemistry & Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Bo Jiang
- School of Chemistry & Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
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9
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Yuan XY, Zeng FL, Zhu HL, Liu Y, Lv QY, Chen XL, Peng L, Yu B. A metal-free visible-light-promoted phosphorylation/cyclization reaction in water towards 3-phosphorylated benzothiophenes. Org Chem Front 2020. [DOI: 10.1039/d0qo00222d] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A metal-free visible-light-induced phosphorylation/cyclization reaction was developed in water at room temperature for the synthesis of 3-phosphorylated benzothiophenes.
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Affiliation(s)
- Xiao-Ya Yuan
- Green Catalysis Center
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Fan-Lin Zeng
- Green Catalysis Center
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Hu-Lin Zhu
- Green Catalysis Center
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Yan Liu
- Green Catalysis Center
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Qi-Yan Lv
- Green Catalysis Center
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Xiao-Lan Chen
- Green Catalysis Center
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Lifen Peng
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
- Xiangtan 411201
| | - Bing Yu
- Green Catalysis Center
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
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10
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Zhang TS, Yang L, Cai PJ, Tu SJ, Jiang B. Silver-Catalyzed Nitration/Annulation of α-Alkynyl Arylols toward 3-Nitrated Benzofurans. Chem Asian J 2019; 14:4383-4388. [PMID: 31777196 DOI: 10.1002/asia.201901400] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 11/03/2019] [Indexed: 12/28/2022]
Abstract
A silver-catalyzed nitration/annulation of α-alkynyl arylols is reported by using tert-butyl nitrite (TBN) as a NO2 radical precursor, from which a set of 3-nitrated benzofurans were synthesized with moderate to good yields. This transformation initiated by an in situ generated NO2 radical proceeds efficiently under mild and neutral redox conditions, which provides a new pathway toward the 3-nitrobenzofuran framework via catalytic difunctionalization of internal alkynes.
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Affiliation(s)
- Tian-Shu Zhang
- School of Chemical Engineering&Technology, China University of Mining and Technology, Xuzhou, 221116, P. R. China
| | - Lei Yang
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China
| | - Pei-Jun Cai
- School of Chemical Engineering&Technology, China University of Mining and Technology, Xuzhou, 221116, P. R. China
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China
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11
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Sun K, Si Y, Chen X, Lv Q, Peng Y, Qu L, Yu B. Synthesis of Phosphoryl‐Substituted Benzimidazo[2,1‐
a
]isoquinolin‐6(5
H
)‐ones from 2‐Arylbenzoimidazoles and Diarylphosphine Oxides. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900570] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Kai Sun
- College of ChemistryZhengzhou University Zhengzhou 450001 China
| | - Ya‐Feng Si
- College of ChemistryZhengzhou University Zhengzhou 450001 China
| | - Xiao‐Lan Chen
- College of ChemistryZhengzhou University Zhengzhou 450001 China
| | - Qi‐Yan Lv
- College of ChemistryZhengzhou University Zhengzhou 450001 China
- Henan Nonferrous Metals Geological Exploration Institute Zhengzhou 450052 China
| | - Yu‐Yu Peng
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and TransportationChangsha University of Science and Technology Changsha 410114 China
| | - Ling‐Bo Qu
- College of ChemistryZhengzhou University Zhengzhou 450001 China
| | - Bing Yu
- College of ChemistryZhengzhou University Zhengzhou 450001 China
- Henan Nonferrous Metals Geological Exploration Institute Zhengzhou 450052 China
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and TransportationChangsha University of Science and Technology Changsha 410114 China
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12
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Luo K, Yang WC, Wei K, Liu Y, Wang JK, Wu L. Di-tert-butyl Peroxide-Mediated Radical C(sp2/sp3)–S Bond Cleavage and Group-Transfer Cyclization. Org Lett 2019; 21:7851-7856. [DOI: 10.1021/acs.orglett.9b02837] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Kai Luo
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Wen-Chao Yang
- Institute of Pesticide, School of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Kai Wei
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yue Liu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Jun-Ke Wang
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Lei Wu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
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13
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Hu C, Hong G, Nahide PD, He Y, Zhou C, Kozlowski MC, Wang L. C(sp 3)-H hydroxylation of fluorenes, oxindoles and benzofuranones with a Mg(NO 3) 2-HP(O)Ph 2 oxidation system. Org Chem Front 2019; 6:3167-3171. [PMID: 31516715 PMCID: PMC6739833 DOI: 10.1039/c9qo00778d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A novel oxidation system in which magnesium nitrate [Mg(NO3)2] is used as an oxidant in the presence of diphe-nylphosphine oxide [HP(O)Ph2] permits the C(sp3)-H hydroxylation of fluorenes, oxindoles, and benzofuranones. This method features high efficiency, good functional group tolerance, and operational simplicity. The synthetic utility is highlighted by further transformations to valuable organic materials.
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Affiliation(s)
- Chen Hu
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Gang Hong
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Pradip D Nahide
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Yuchen He
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Chen Zhou
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Marisa C Kozlowski
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Limin Wang
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
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14
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Pan D, Mou C, Zan N, Lv Y, Song BA, Chi YR, Jin Z. NaOH-Promoted Chemoselective Cascade Cyclization of Cyclopropyl Esters with Unsaturated Imines: Access to Bioactive Cyclopenta[c]pyridine Derivatives. Org Lett 2019; 21:6624-6627. [PMID: 31411487 DOI: 10.1021/acs.orglett.9b02088] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A chemoselective cascade cycloaddition reaction is developed for green and efficient access to cyclopenta[c]pyridine derivatives. Simple and inexpensive NaOH is used as the sole catalyst for this process. The δ-carbon of cyclopropyl ester is activated as a nucleophilic carbon to initiate highly chemoselective cascade reactions. Cyclopenta[c]pyridines bearing various substituents are afforded in excellent yields. Preliminary studies on the bioactivities of the afforded products show promising antibacterial activities for potential applications in plant protections.
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Affiliation(s)
- Dingwu Pan
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Chengli Mou
- Guizhou University of Traditional Chinese Medicine, Huaxi District, Guiyang 550025, China
| | - Ningning Zan
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Ya Lv
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Bao-An Song
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yonggui Robin Chi
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China.,Division of Chemistry & Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Zhichao Jin
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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15
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Jin S, Sun S, Yu JT, Cheng J. The Silver-Promoted Phosphonation/Alkynylation of Alkene Proceeding with Radical 1,2-Alkynyl Migration. J Org Chem 2019; 84:11177-11185. [DOI: 10.1021/acs.joc.9b01088] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Shengnan Jin
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Song Sun
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Jin-Tao Yu
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Jiang Cheng
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
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16
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Ji CL, Pan Y, Geng FZ, Hao WJ, Tu SJ, Jiang B. Synergistic silver/scandium catalytic spiroketalization of β-alkynyl ketones for the atom economical synthesis of skeletally diverse spirocyclic isochromenes. Org Chem Front 2019. [DOI: 10.1039/c8qo01277f] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Two types of new synergistic silver/scandium catalytic spiroketalizations of β-alkynyl ketones have been achieved, delivering a variety of skeletally diverse spirocyclic isochromenes in generally good yields.
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Affiliation(s)
- Cheng-Long Ji
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Yao Pan
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Fang-Zhou Geng
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
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17
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Li Q, Yin Y, Li Y, Zhang J, Huang M, Kim JK, Wu Y. A simple approach to indeno-coumarins via visible-light-induced cyclization of aryl alkynoates with diethyl bromomalonate. Org Chem Front 2019. [DOI: 10.1039/c9qo00795d] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Visible-light-induced triple-domino cyclization between aryl alkynoates and diethyl bromomalonate was developed for the synthesis of indeno-coumarins.
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Affiliation(s)
- Qingrui Li
- College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
| | - Yunnian Yin
- College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
| | - Yabo Li
- College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
| | - Jianye Zhang
- College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
| | - Mengmeng Huang
- College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
| | - Jung Keun Kim
- College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
| | - Yangjie Wu
- College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
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18
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Li M, Zheng J, Hu W, Li C, Li J, Fang S, Jiang H, Wu W. Palladium-Catalyzed Cyclization of N-Acyl- o-alkynylanilines with Isocyanides Involving a 1,3-Acyl Migration: Rapid Access to Functionalized 2-Aminoquinolines. Org Lett 2018; 20:7245-7248. [PMID: 30394094 DOI: 10.1021/acs.orglett.8b03165] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A simple and expedient approach for the synthesis of functionalized 2-aminoquinolines via palladium-catalyzed annulation of N-acyl- o-alkynylanilines with isocyanides has been developed with high atom economy, in which an unconventional 6- endo-dig cyclization process is observed. Further investigations of the mechanism demonstrated that an intramolecular acyl migration of the N-protecting groups was involved in this transformation.
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Affiliation(s)
- Meng Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Jia Zheng
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Weigao Hu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Chunsheng Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Jianxiao Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Songjia Fang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Wanqing Wu
- State Key Laboratory of Luminescent Materials and Devices , South China University of Technology , Guangzhou 510640 , China.,Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou 510640 , China
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19
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Shen ZJ, Shi HN, Hao WJ, Tu SJ, Jiang B. Visible-light photocatalytic bicyclization of β-alkynyl propenones for accessing diastereoenriched syn-fluoren-9-ones. Chem Commun (Camb) 2018; 54:11542-11545. [PMID: 30175828 DOI: 10.1039/c8cc06086j] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A novel visible-light photocatalytic bicyclization of β-alkynyl propenones with α-bromocarbonyls for highly diastereoselective synthesis of richly decorated syn-fluoren-9-ones is described. The reaction proceeds via a radical-triggered 5-exo-dig cyclization/1,6-H-abstraction/6-endo-trig cyclization cascade and offers a new and practical method for the assembly of 6/5/6 carbocyclic skeletons via C(sp3)-H alkenylation.
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Affiliation(s)
- Zheng-Jia Shen
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
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20
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Wang CH, Li YH, Yang SD. Autoxidation Photoredox Catalysis for the Synthesis of 2-Phosphinoylindoles. Org Lett 2018; 20:2382-2385. [DOI: 10.1021/acs.orglett.8b00722] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Chun-Hai Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yong-Hong Li
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
| | - Shang-Dong Yang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
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21
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Zhou P, Wang JY, Zhang TS, Li G, Hao WJ, Tu SJ, Jiang B. Thiazolium salt-catalyzed C-C triple bond cleavage for accessing substituted 1-naphthols via benzannulation. Chem Commun (Camb) 2018; 54:164-167. [PMID: 29218334 DOI: 10.1039/c7cc08792f] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first thiazolium salt-catalyzed C-C triple bond cleavage of benzene-linked allene-ynes has been established. The reaction pathway involves [2+2] cycloaddition and ring-opening of in situ generated cyclobutenes with H2O under mild and convenient conditions, and provides practical access to substituted 1-naphthols with potentially valuable applications.
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Affiliation(s)
- Peng Zhou
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
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22
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Huang MH, Hao WJ, Li G, Tu SJ, Jiang B. Recent advances in radical transformations of internal alkynes. Chem Commun (Camb) 2018; 54:10791-10811. [DOI: 10.1039/c8cc04618b] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This review highlights the recent progress in the radical transformation of internal alkynes and focuses on the reaction mechanisms by carbon/heteroatom-centered triggered additions, and offers a comprehensive overview on the existing procedures and employed methodologies.
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Affiliation(s)
- Min-Hua Huang
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Guigen Li
- Institute of Chemistry & BioMedical Sciences
- Nanjing University
- Nanjing 210093
- P. R. China
- Department of Chemistry and Biochemistry
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
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23
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Shen ZJ, Wu YN, He CL, He L, Hao WJ, Wang AF, Tu SJ, Jiang B. Stereoselective synthesis of sulfonated 1-indenones via radical-triggered multi-component cyclization of β-alkynyl propenones. Chem Commun (Camb) 2018; 54:445-448. [DOI: 10.1039/c7cc08516h] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
New radical-triggered multi-component cyclizations of β-alkynyl propenones have been developed, leading to 50 examples of sulfonated 1-indenones with generally good yields and high levels of stereoselectivity.
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Affiliation(s)
- Zheng-Jia Shen
- School of Chemistry & Materials Science
- Jiangsu Normal University
- Xuzhou
- P. R. China
| | - Ya-Nan Wu
- School of Chemistry & Materials Science
- Jiangsu Normal University
- Xuzhou
- P. R. China
| | - Chun-Lan He
- School of Chemistry & Materials Science
- Jiangsu Normal University
- Xuzhou
- P. R. China
| | - Long He
- School of Chemistry & Materials Science
- Jiangsu Normal University
- Xuzhou
- P. R. China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science
- Jiangsu Normal University
- Xuzhou
- P. R. China
| | - Ai-Fang Wang
- School of Chemistry & Materials Science
- Jiangsu Normal University
- Xuzhou
- P. R. China
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science
- Jiangsu Normal University
- Xuzhou
- P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science
- Jiangsu Normal University
- Xuzhou
- P. R. China
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24
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Liu S, Chen K, Lan XC, Hao WJ, Li G, Tu SJ, Jiang B. Synergistic silver/scandium catalysis for divergent synthesis of skeletally diverse chromene derivatives. Chem Commun (Camb) 2017; 53:10692-10695. [DOI: 10.1039/c7cc05563c] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The combination of AgTFA and Sc(OTf)3 enables the bimetallic synergistic catalysis of β-alkynyl ketones and o-hydroxybenzyl alcohols, allowing divergent synthesis of three classes of skeletally diverse chromene derivatives with generally high diastereoselectivity through dehydroxylated bi- and tri-cyclization cascades.
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Affiliation(s)
- Shuai Liu
- School of Chemistry and Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Ke Chen
- School of Chemistry and Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Xin-Chan Lan
- School of Chemistry and Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Wen-Juan Hao
- School of Chemistry and Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Guigen Li
- Department of Chemistry and Biochemistry
- Texas Tech University
- Lubbock
- USA
| | - Shu-Jiang Tu
- School of Chemistry and Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Bo Jiang
- School of Chemistry and Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
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