51
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Affiliation(s)
- Huimin Dai
- State Key Laboratory of Coordination
Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, People’s Republic of China
| | - Guifeng Liu
- State Key Laboratory of Coordination
Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, People’s Republic of China
| | - Xiaolei Zhang
- State Key Laboratory of Coordination
Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, People’s Republic of China
| | - Hong Yan
- State Key Laboratory of Coordination
Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, People’s Republic of China
| | - Changsheng Lu
- State Key Laboratory of Coordination
Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, People’s Republic of China
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52
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Yao ZJ, Deng W. Half-sandwich late transition metal complexes based on functionalized carborane ligands. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2015.10.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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53
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Genady AR, Tan J, El-Zaria ME, Zlitni A, Janzen N, Valliant JF. Reprint of: Synthesis, characterization and radiolabeling of carborane-functionalized tetrazines for use in inverse electron demand Diels–Alder ligation reactions. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.10.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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54
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Genady AR, Tan J, El-Zaria ME, Zlitni A, Janzen N, Valliant JF. Synthesis, characterization and radiolabeling of carborane-functionalized tetrazines for use in inverse electron demand Diels–Alder ligation reactions. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.05.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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55
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Lyu H, Quan Y, Xie Z. Palladium-Catalyzed Direct Dialkenylation of Cage BH Bonds in o
-Carboranes through Cross-Coupling Reactions. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/anie.201504481] [Citation(s) in RCA: 97] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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56
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Lyu H, Quan Y, Xie Z. Palladium-Catalyzed Direct Dialkenylation of Cage BH Bonds in o
-Carboranes through Cross-Coupling Reactions. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201504481] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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57
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Quan Y, Xie Z. Palladium-catalyzed regioselective intramolecular coupling of o-carborane with aromatics via direct cage B-H activation. J Am Chem Soc 2015; 137:3502-5. [PMID: 25747772 DOI: 10.1021/jacs.5b01169] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Palladium-catalyzed intramolecular coupling of o-carborane with aromatics via direct cage B-H bond activation has been achieved, leading to the synthesis of a series of o-carborane-functionalized aromatics in high yields with excellent regioselectivity. In addition, the site selectivity can also be tuned by the substituents on cage carbon atom.
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Affiliation(s)
- Yangjian Quan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong, China
| | - Zuowei Xie
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong, China
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58
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59
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Liu G, Yan H. Metal-Induced B–H Activation in Three-Component Reactions: 16-Electron Complex CpCo(S2C2B10H10), Ethyl Diazoacetate, and Alkynes. Organometallics 2015. [DOI: 10.1021/om501016w] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Guifeng Liu
- State
Key Laboratory of Coordination Chemistry, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
- Institute
of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing, Jiangsu 210042, China
| | - Hong Yan
- State
Key Laboratory of Coordination Chemistry, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
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60
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Cao K, Huang Y, Yang J, Wu J. Palladium catalyzed selective mono-arylation of o-carboranes via B–H activation. Chem Commun (Camb) 2015; 51:7257-60. [DOI: 10.1039/c5cc01331c] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Palladium catalyzed selective mono-arylation of o-carborane on B(8) and B(9).
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Affiliation(s)
- Ke Cao
- State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials & School of Materials Science and Engineering
- Southwest University of Science and Technology
- Mianyang
- P. R. China
| | - Yawen Huang
- State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials & School of Materials Science and Engineering
- Southwest University of Science and Technology
- Mianyang
- P. R. China
| | - Junxiao Yang
- State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials & School of Materials Science and Engineering
- Southwest University of Science and Technology
- Mianyang
- P. R. China
| | - Ji Wu
- State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials & School of Materials Science and Engineering
- Southwest University of Science and Technology
- Mianyang
- P. R. China
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61
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Hu JR, Zhang WJ, Liu LH, Peng HN. Synthesis, structure, and mechanism of half-sandwich ruthenium complexes based on ortho-carborane-1,2-dithiolate ligand and alkyne alcohol. RUSS J COORD CHEM+ 2014. [DOI: 10.1134/s1070328414120057] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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62
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Nie Y, Wang Y, Miao J, Bian D, Zhang Z, Cui Y, Sun G. Syntheses and structural characterization of o-carboranylamides with direct cage-amide bond. Dalton Trans 2014; 43:5083-94. [PMID: 24468795 DOI: 10.1039/c3dt52785a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Reactions of lithio-o-carborane with isocyanates under various conditions were studied, and the structural features of the resulting carboranylamides are described. The reactions of o-carborane (o-C2B10H12), n-BuLi (two equiv.) and two equiv. of (substituted) phenylisocyanate, pentylisocyanate and p-ethylphenylthioisocyanate in diethyl ether, respectively, led, after workup, to the corresponding mono-substituted carboranylamide 2a-g and carboranylthioamide 5 in low to moderate yields, and only with RNCO (R = Ph, m-MeOC6H4, pentyl) could disubstituted products 3a-c be isolated. The reaction with phenylisocyanate afforded the mono-amide and di-amide products in a ratio of approximately 1 : 2, whereas in the other two reactions the ratios are approximately 4 : 1 and 3 : 2, respectively. In tetrahydrofuran all the reactions attempted with RNCO (R = Ph, p-IC6H4, m-NCC6H4 and pentyl) gave more monoamide products than those in diethyl ether. With phenylisocyanate no diamide product was isolated and with pentylisocyanate the ratio between monoamide and diamide is approximately 3.5 : 1. The new carboranylamides were characterized by means of elemental analyses, IR and NMR spectroscopy and mass spectrometry, as well as single-crystal X-ray diffraction analyses of 2a-f, 3a and 5.
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Affiliation(s)
- Yong Nie
- School of Chemistry and Chemical Engineering, University of Jinan, 106 Jiwei Road, 250022 Jinan, P. R. China.
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63
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Quan Y, Xie Z. Iridium Catalyzed Regioselective Cage Boron Alkenylation of o-Carboranes via Direct Cage B–H Activation. J Am Chem Soc 2014; 136:15513-6. [DOI: 10.1021/ja509557j] [Citation(s) in RCA: 168] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yangjian Quan
- Department of Chemistry and
State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong, China
| | - Zuowei Xie
- Department of Chemistry and
State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong, China
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64
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Quan Y, Qiu Z, Xie Z. Transition-Metal-Mediated Three-Component Cascade Cyclization: Selective Cage B–C(sp2) Coupling of Carborane with Aromatics and Synthesis of Carborane-Fused Tricyclics. J Am Chem Soc 2014; 136:7599-602. [DOI: 10.1021/ja503489b] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Yangjian Quan
- Department
of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Zaozao Qiu
- Shanghai-Hong
Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Zuowei Xie
- Department
of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
- Shanghai-Hong
Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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65
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Zhang X, Zou X, Yan H. Synthesis of Boron-Fused 1,4-Dithiin via Cobalt-Mediated Disulfuration of Alkyne at the o-Carborane-9,12-dithiolate Unit. Organometallics 2014. [DOI: 10.1021/om500411b] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Xiaolei Zhang
- State Key Laboratory
of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Xiaodong Zou
- State Key Laboratory
of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Hong Yan
- State Key Laboratory
of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
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66
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El-Zaria ME, Keskar K, Genady AR, Ioppolo JA, McNulty J, Valliant JF. High yielding synthesis of carboranes under mild reaction conditions using a homogeneous silver(I) catalyst: direct evidence of a bimetallic intermediate. Angew Chem Int Ed Engl 2014; 53:5156-60. [PMID: 24700630 DOI: 10.1002/anie.201311012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Indexed: 11/07/2022]
Abstract
Methods used to prepare functionalized carboranes generally require heating to high temperatures, and thus limits the range of derivatives which can be prepared directly from alkynes. We show here that by using a homogeneous silver(I) catalyst it is now possible to prepare carboranes in good to excellent yield at temperatures below 40 °C, including at room temperature. The process is general and provides an important new synthetic strategy for the preparation of functionalized boron clusters.
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Affiliation(s)
- Mohamed E El-Zaria
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main St W., Hamilton, Ont., L8S 4M1 Canada; Department of Chemistry, Faculty of Science, Tanta University, 31527 Tanta (Egypt)
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67
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El-Zaria ME, Keskar K, Genady AR, Ioppolo JA, McNulty J, Valliant JF. High Yielding Synthesis of Carboranes Under Mild Reaction Conditions Using a Homogeneous Silver(I) Catalyst: Direct Evidence of a Bimetallic Intermediate. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201311012] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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68
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Zhang X, Zhou Z, Yan H. Metal–metal redox synergy in selective B–H activation of ortho-carborane-9,12-dithiolate. Chem Commun (Camb) 2014; 50:13077-80. [DOI: 10.1039/c4cc06171c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal–metal redox synergy is introduced, for the first time, for B–H functionalization of inert dicarba-dodecaboranes under mild conditions in high yields.
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Affiliation(s)
- Xiaolei Zhang
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing, China
| | - Zhiwen Zhou
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing, China
| | - Hong Yan
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing, China
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69
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Zhong W, Xie M, Li Y, Yan H. Investigation into the reactivity of 16-electron complexes Cp#Co(S2C2B10H10) (Cp# = Cp, Cp*) towards methyl diazoacetate and toluenesulphonyl azide. RSC Adv 2014. [DOI: 10.1039/c4ra13017k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
A three-component reaction of the 16-electron half-sandwich complex Cp*Co(S2C2B10H10) (2) with both methyl diazoacetate (MDA) and toluenesulphonyl azide (TsN3) led to the formation of complexes 3 and 4, while a two-component reaction of complex 2 with MDA afforded products 5–7.
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Affiliation(s)
- Wei Zhong
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing, China
- College of Biological, Chemical Sciences and Engineering
| | - Mingshi Xie
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing, China
| | - Yizhi Li
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing, China
| | - Hong Yan
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing, China
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