1
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Mahfouz N, Abi-Ghaida F, Kotob W, Mehdi A, Naoufal D. Selective Functionalization of Carbonyl Closo-Decaborate [2-B 10H 9CO] - with Building Block Properties via Grignard Reagents. Molecules 2023; 28:6076. [PMID: 37630327 PMCID: PMC10458521 DOI: 10.3390/molecules28166076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/11/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023] Open
Abstract
A green, fast and selective approach for the synthesis of mono-substituted closo-decaborate derivatives [2-B10H9COR]2- has been established via a nucleophilic addition reaction between the carbonyl derivative of closo-decaborate [2-B10H9CO]- and the corresponding Grignard reagent RMgX, where R is the ethyl, iso-propyl, pentyl, allyl, vinyl and propynyl groups. This approach is accomplished under mild conditions with 70-80% yields. The significance of these derivative is their ability to constitute building blocks for polymeric integration via the allyl, vinyl and propynyl substituents. All products were characterized by 11B, 1H and 13C NMR, elemental analysis and mass spectrometry.
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Affiliation(s)
- Nadine Mahfouz
- Inorganic and Organometallic Coordination Chemistry Laboratory LCIO, Faculty of Sciences, Lebanese University, Beirut P.O. Box 6573, Lebanon; (N.M.); (W.K.)
- Institut Charles Gerhardt ICGM, CNRS, ENSCM, Université de Montpellier, 34090 Montpellier, France
| | - Fatima Abi-Ghaida
- Inorganic and Organometallic Coordination Chemistry Laboratory LCIO, Faculty of Sciences, Lebanese University, Beirut P.O. Box 6573, Lebanon; (N.M.); (W.K.)
| | - Wael Kotob
- Inorganic and Organometallic Coordination Chemistry Laboratory LCIO, Faculty of Sciences, Lebanese University, Beirut P.O. Box 6573, Lebanon; (N.M.); (W.K.)
| | - Ahmad Mehdi
- Institut Charles Gerhardt ICGM, CNRS, ENSCM, Université de Montpellier, 34090 Montpellier, France
| | - Daoud Naoufal
- Inorganic and Organometallic Coordination Chemistry Laboratory LCIO, Faculty of Sciences, Lebanese University, Beirut P.O. Box 6573, Lebanon; (N.M.); (W.K.)
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2
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Li S, Zhang J, Xie Z. Visible-Light-Induced Palladium-Catalyzed Cross-Coupling of Iodocarboranes with (Hetero)Arenes. Org Lett 2022; 24:7497-7501. [PMID: 36201284 DOI: 10.1021/acs.orglett.2c02648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This work describes a general method for the efficient production of a class of cage B-centered carboranyl radicals at the B3, B4, and B9 sites via a visible-light-promoted palladium(0)/palladium(I) pathway using readily available iodo-o-carboranes as the starting materials. The electrophilicities of these hypervalent boron-centered radicals decrease in the following order: B3 > B4 > B9. They are useful intermediates for the preparation of a family of cage B-(hetero)arylated o-carboranes at ambient temperature.
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Affiliation(s)
- Shimeng Li
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Jie Zhang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, 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
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3
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Zhang J, Xie Z. N-Ligand-Enabled Aromatic Nucleophilic Amination of 1,2-Diaryl-o-Carboranes with (R 2 N) 2 Mg for Selective Synthesis of 4-R 2 N-o-Carboranes and 2-R 2 N-m-Carboranes. Angew Chem Int Ed Engl 2022; 61:e202202675. [PMID: 35579912 DOI: 10.1002/anie.202202675] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Indexed: 11/08/2022]
Abstract
The nucleophilic aromatic BH substitution reaction of carboranes is uncommon, compared to the electrophilic one. This work reported a pyridine-enabled transition-metal-free regioselective nucleophilic aromatic cage B(4)-H amination of 1,2-diaryl-o-carboranes with magnesium bisamides, giving a series of B(4)-aminated o-carboranes. DFT calculations showcased a stepwise B-N formation/B-H cleavage process, in which Mg-H formation/cage closure is the rate-determining step. Unprecedentedly, in the presence of 4,4'-di-tert-butyl-2,2'-dipyridyl (dtbpy), a tandem B(4)-amination/cage isomerization reaction of o-carboranes was discovered for the facile preparation of B(2)-aminated m-carboranes. Control experiments indicated that magnesium complex, bidentate ligand (dtbpy) and reaction temperature were crucial in the cage isomerization process. This direct nucleophilic aromatic cage B-H amination reaction offers an alternative strategy for selective amination of o- and m-carboranes.
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Affiliation(s)
- Jie Zhang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, 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
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4
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Zhang J, Xie Z. N‐Ligand‐Enabled Aromatic Nucleophilic Amination of 1,2‐Diaryl‐
o
‐Carboranes with (R
2
N)
2
Mg for Selective Synthesis of 4‐R
2
N‐
o
‐Carboranes and 2‐R
2
N‐
m
‐Carboranes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jie Zhang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry The Chinese University of Hong Kong Shatin, New Territories, Hong Kong 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
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5
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Li S, Xie Z. Visible-Light-Promoted Nickel-Catalyzed Cross-Coupling of Iodocarboranes with (Hetero)Arenes via Boron-Centered Carboranyl Radicals. J Am Chem Soc 2022; 144:7960-7965. [PMID: 35451827 DOI: 10.1021/jacs.2c02329] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A general strategy for the generation of hypervalent boron-centered carboranyl radicals at the B(3), B(4), and B(9) positions has been developed for the first time via visible-light-promoted iodine atom abstraction from iodo-o-carboranes by low-valent nickel complex. These radicals react with various (hetero)arenes to afford a wide range of cage B-arylated carborane derivatives at room temperature in very good to excellent yields with a broad substrate scope. Their electrophilicities are dependent on the vertex charges of the cage and follow the order B(3) > B(4) > B(9). Both visible light and nickel catalyst are proved critical to the generation of boron-centered carboranyl radicals. The involvement of boron radicals is supported by control experiments. A reaction mechanism associated with these reactions is also proposed. This strategy offers a new protocol for the generation of boron-centered carboranyl radicals at the selected boron vertex, leading to a facile synthesis of a large class of cage boron substituted carborane molecules.
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Affiliation(s)
- Shimeng Li
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong 999077, China
| | - Zuowei Xie
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong 999077, China
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6
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Ko GH, Um K, Noh HC, Kim JY, Jeong H, Maeng C, Han SH, Han GU, Lee PH. Iridium(III)-Catalyzed B(4)-Acylmethylation and B(3,5)-Diacylmethylation from o-Carboranes and Sulfoxonium Ylides. Org Lett 2022; 24:1604-1609. [PMID: 35175779 DOI: 10.1021/acs.orglett.2c00103] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
An iridium(III)-catalyzed regioselective acylmethylation of the cage B(4)-H bond in o-carborane acids with sulfoxonium ylides is demonstrated through B(4)-H activation in ethanol under very mild conditions, affording a number of B(4)-acylmethylated o-carboranes. Additionally, the selective sequential B(4)- and B(6)-acylmethylation reactions finally gave B(3,5)-diacylmethylated o-carboranes in one pot.
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Affiliation(s)
- Gi Hoon Ko
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Kyusik Um
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea.,KIIT (Kangwon Institute of Inclusive Technology), Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Hee Chan Noh
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jin Young Kim
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Haneal Jeong
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Chanyoung Maeng
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Sang Hoon Han
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Gi Uk Han
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Phil Ho Lee
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea.,KIIT (Kangwon Institute of Inclusive Technology), Kangwon National University, Chuncheon 24341, Republic of Korea
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7
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Ko GH, Lee JK, Han SH, Lee PH. Rhodium-Catalyzed B(4)-H and B(3)-H Alkylation Reaction of Pyridyl o-Carboranes with α-Diazodicarboxylates. Org Lett 2022; 24:1507-1512. [PMID: 35142522 DOI: 10.1021/acs.orglett.2c00187] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient Rh-catalyzed B(4)-H and B(3)-H alkylation reaction was demonstrated from the reactions of a variety of pyridyl o-carboranes with α-diazodicarboxylates with the release of molecular nitrogen, leading to the production of B(4)-H and B(3)-H alkylated o-carboranes in good to excellent yields with high selectivity, a wide substrate scope, and good functional group tolerance.
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Affiliation(s)
- Gi Hoon Ko
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Ji Kwon Lee
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Sang Hoon Han
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Phil Ho Lee
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea.,KIIT (Kangwon Institute of Inclusive Technology), Kangwon National University, Chuncheon 24341, Republic of Korea
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8
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Zhang LB, Xie Z. Iridium-Catalyzed Selective B(4)–H Acylmethylation of o-Carboranes with Sulfoxonium Ylides. Org Lett 2022; 24:1318-1322. [DOI: 10.1021/acs.orglett.1c04335] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Lin-Bao Zhang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong 999077, China
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Zuowei Xie
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong 999077, China
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9
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Recent trends and tactics in facile functionalization of neutral icosahedral carboranes (C2B10H12) and nido-carborane (7,8-C2B9H12−). ADVANCES IN CATALYSIS 2022. [DOI: 10.1016/bs.acat.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Cao HJ, Wei X, Sun F, Zhang X, Lu C, Yan H. Metal-catalyzed B-H acylmethylation of pyridylcarboranes: access to carborane-fused indoliziniums and quinoliziniums. Chem Sci 2021; 12:15563-15571. [PMID: 35003585 PMCID: PMC8654026 DOI: 10.1039/d1sc05296a] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 11/19/2021] [Indexed: 12/11/2022] Open
Abstract
Metal-catalyzed mono-acylmethylation of pyridylcarboranes has been realized using α-carbonyl sulfoxonium ylides as a coupling partner. The reaction features high efficiency, excellent site-selectivity and good functional group tolerance. In the presence of pyridyl and enolizable acylmethyl groups, a post-coordination mode has been proposed and validated by in situ high resolution mass spectroscopy (HRMS) to rationalize the unique mono-substitution. Post-functionalization at the newly incorporated alkyl site provides additional utility of this method, including the construction of carborane-fused indoliziniums and quinoliziniums. We believe that these mono-alkylated carboranes, together with their post-functionalized derivatives, may find applications in luminescent materials and drug discovery in the near future.
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Affiliation(s)
- Hou-Ji Cao
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University Nanjing Jiangsu 210023 P. R. China
| | - Xing Wei
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University Nanjing Jiangsu 210023 P. R. China
| | - Fangxiang Sun
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University Nanjing Jiangsu 210023 P. R. China
| | - Xiaolei Zhang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University Nanjing Jiangsu 210023 P. R. China
| | - Changsheng Lu
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University Nanjing Jiangsu 210023 P. R. China
| | - Hong Yan
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University Nanjing Jiangsu 210023 P. R. China
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11
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Ge Y, Qiu Z, Xie Z. Pd-catalyzed selective tetrafunctionalization of diiodo- o-carboranes. Chem Commun (Camb) 2021; 57:8071-8074. [PMID: 34296721 DOI: 10.1039/d1cc03449a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A palladium-catalyzed highly selective tetrafunctionalization of 3,6-I2-o-carborane and 4,7-I2-o-carborane has been developed, leading to the preparation of 3,6-dialkenyl-4,11-R2-o-carboranes and 4,7-dialkenyl-5,11-R2-o-carboranes (R = alkyl, allyl and aryl) in moderate to excellent yields. This represents a new strategy for selective synthesis of polyfunctionalized o-carborane derivatives via a one-pot process.
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Affiliation(s)
- Yixiu Ge
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Rd, Shanghai 200032, China.
| | - Zaozao Qiu
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Rd, Shanghai 200032, China. and CAS Key Laboratory of Energy Regulation Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Rd, Shanghai 200032, China
| | - Zuowei Xie
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Rd, Shanghai 200032, China. and 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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12
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Au YK, Zhang J, Quan Y, Xie Z. Ir-Catalyzed Selective B(3)-H Amination of o-Carboranes with NH3. J Am Chem Soc 2021; 143:4148-4153. [DOI: 10.1021/jacs.1c00593] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yik Ki Au
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong, China
| | - Jie Zhang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong, China
| | - 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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13
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Han GU, Baek Y, Lee K, Shin S, Chan Noh H, Lee PH. Iridium-Catalyzed Cage B(4)-Amidation Reaction of o-Carboranes with Dioxazolones: Selective Synthesis of Amidated o-Carboranes and Amidated and Methoxycarbonylated nido-Carboranes. Org Lett 2020; 23:416-420. [DOI: 10.1021/acs.orglett.0c03927] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gi Uk Han
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Yonghyeon Baek
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Kyungsup Lee
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Seohyun Shin
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Hee Chan Noh
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Phil Ho Lee
- The Korean Academy of Science and Technology, Seongnam 13630, Republic of Korea
- Department of Chemistry, Kangwon National University, Chuncheon 24341, Republic of Korea
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14
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Zhang J, Tang C, Xie Z. Magnesium-mediated sp 3 C-H activation in cascade cyclization of 1-arylethynyl-2-alkyl- o-carboranes: efficient synthesis of carborane-fused cyclopentanes. Chem Sci 2020; 11:9925-9929. [PMID: 34094253 PMCID: PMC8162123 DOI: 10.1039/d0sc04465b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 09/01/2020] [Indexed: 01/03/2023] Open
Abstract
This work reports an unprecedented cascade cyclization of 1-arylethynyl-2-alkyl-o-carboranes promoted by magnesium-mediated sp3 C-H activation. Treatment of 1-arylethynyl-2-alkyl-o-carboranes with MeMgBr gives a series of carborane-fused cyclopentanes in very good yields. Deuterium labelling and control experiments suggest that HMgBr, resulting in situ from the nucleophilic substitution of cage B-H bonds with Grignard reagent, initiates the reaction, in which magnesium-promoted intramolecular sp3 C-H activation serves as a key step. This work not only offers a new route for the synthesis of carborane-fused cyclopentanes, but also sheds some light on Mg-mediated C-H activation and functionalization.
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Affiliation(s)
- Jie Zhang
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong Shatin, N. T. Hong Kong China
| | - Cen Tang
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong Shatin, N. T. Hong Kong China
| | - Zuowei Xie
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong Shatin, N. T. Hong Kong China
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15
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Zhang Z, Zhang X, Yuan J, Yue C, Meng S, Chen J, Yu G, Che C. Transition‐Metal‐Catalyzed Regioselective Functionalization of Monophosphino‐
o‐
Carboranes. Chemistry 2020; 26:5037-5050. [DOI: 10.1002/chem.201905647] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 01/28/2020] [Indexed: 01/11/2023]
Affiliation(s)
- Zi‐Yang Zhang
- Department Key Laboratory of Pesticide & Chemical BiologyMinistry of EducationChemical Biology CenterCollege of ChemistryCentral China Normal University Wuhan 430079 P. R. China
| | - Xuepeng Zhang
- Laboratory of Computational and Drug DesignSchool of Chemical Biology and BiotechnologyPeking University Shenzhen Graduate School Shenzhen 518055 P. R. China
- School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 P. R. China
| | - Jia Yuan
- Department Key Laboratory of Pesticide & Chemical BiologyMinistry of EducationChemical Biology CenterCollege of ChemistryCentral China Normal University Wuhan 430079 P. R. China
| | - Chang‐Duo Yue
- Department Key Laboratory of Pesticide & Chemical BiologyMinistry of EducationChemical Biology CenterCollege of ChemistryCentral China Normal University Wuhan 430079 P. R. China
| | - Sixuan Meng
- Department Key Laboratory of Pesticide & Chemical BiologyMinistry of EducationChemical Biology CenterCollege of ChemistryCentral China Normal University Wuhan 430079 P. R. China
| | - Jian Chen
- Department Key Laboratory of Pesticide & Chemical BiologyMinistry of EducationChemical Biology CenterCollege of ChemistryCentral China Normal University Wuhan 430079 P. R. China
| | - Guang‐Ao Yu
- Department Key Laboratory of Pesticide & Chemical BiologyMinistry of EducationChemical Biology CenterCollege of ChemistryCentral China Normal University Wuhan 430079 P. R. China
| | - Chi‐Ming Che
- State Key Laboratory of Synthetic Chemistry andDepartment of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
- HKU Shenzhen Institute of Research and Innovation Shenzhen, Guangdong 518057 P. R. China
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16
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Ge Y, Zhang J, Qiu Z, Xie Z. Pd‐Catalyzed Selective Bifunctionalization of 3‐Iodo‐
o
‐Carborane by Pd Migration. Angew Chem Int Ed Engl 2020; 59:4851-4855. [DOI: 10.1002/anie.201914500] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 11/23/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Yixiu Ge
- Shanghai-Hong Kong Joint Laboratory in Chemical SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Jie Zhang
- Department of Chemistry and State Key Laboratory of Synthetic ChemistryThe Chinese University of Hong Kong, Shatin, N. T. Hong Kong China
| | - Zaozao Qiu
- Shanghai-Hong Kong Joint Laboratory in Chemical SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- CAS Key Laboratory of Energy Regulation MaterialsShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Rd Shanghai 200032 China
- Fujian Innovation AcademyChinese Academy of Sciences 155 Yangqiao Rd West Fuzhou 350002 China
| | - Zuowei Xie
- Shanghai-Hong Kong Joint Laboratory in Chemical SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- Department of Chemistry and State Key Laboratory of Synthetic ChemistryThe Chinese University of Hong Kong, Shatin, N. T. Hong Kong China
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17
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Ge Y, Zhang J, Qiu Z, Xie Z. Pd‐Catalyzed Selective Bifunctionalization of 3‐Iodo‐
o
‐Carborane by Pd Migration. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914500] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yixiu Ge
- Shanghai-Hong Kong Joint Laboratory in Chemical SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Jie Zhang
- Department of Chemistry and State Key Laboratory of Synthetic ChemistryThe Chinese University of Hong Kong, Shatin, N. T. Hong Kong China
| | - Zaozao Qiu
- Shanghai-Hong Kong Joint Laboratory in Chemical SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- CAS Key Laboratory of Energy Regulation MaterialsShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Lingling Rd Shanghai 200032 China
- Fujian Innovation AcademyChinese Academy of Sciences 155 Yangqiao Rd West Fuzhou 350002 China
| | - Zuowei Xie
- Shanghai-Hong Kong Joint Laboratory in Chemical SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- Department of Chemistry and State Key Laboratory of Synthetic ChemistryThe Chinese University of Hong Kong, Shatin, N. T. Hong Kong China
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18
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Cui CX, Zhang J, Qiu Z, Xie Z. Palladium-catalyzed intramolecular dehydrogenative coupling of BH and OH: synthesis of carborane-fused benzoxaboroles. Dalton Trans 2020; 49:1380-1383. [DOI: 10.1039/c9dt04553h] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A Pd-catalyzed intramolecular dehydrogenative coupling of BH and OH for the construction of cage B–O bonds was developed to afford C,B-carborane-fused heterocycles.
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Affiliation(s)
- Chun-Xiao Cui
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
- Shanghai 200032
| | - Jie Zhang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry
- The Chinese University of Hong Kong
- China
| | - Zaozao Qiu
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
- Shanghai 200032
| | - Zuowei Xie
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
- Shanghai 200032
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19
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Yang Z, Zhao W, Liu W, Wei X, Chen M, Zhang X, Zhang X, Liang Y, Lu C, Yan H. Metal‐Free Oxidative B−N Coupling of
nido
‐Carborane with N‐Heterocycles. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904940] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zhongming Yang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Weijia Zhao
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Wei Liu
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Xing Wei
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Meng Chen
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Xiao Zhang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Xiaolei Zhang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Yong Liang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Changsheng Lu
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Hong Yan
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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20
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Yang Z, Zhao W, Liu W, Wei X, Chen M, Zhang X, Zhang X, Liang Y, Lu C, Yan H. Metal‐Free Oxidative B−N Coupling of
nido
‐Carborane with N‐Heterocycles. Angew Chem Int Ed Engl 2019; 58:11886-11892. [DOI: 10.1002/anie.201904940] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 05/26/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Zhongming Yang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Weijia Zhao
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Wei Liu
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Xing Wei
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Meng Chen
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Xiao Zhang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Xiaolei Zhang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Yong Liang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Changsheng Lu
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Hong Yan
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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21
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Quan Y, Tang C, Xie Z. Nucleophilic substitution: a facile strategy for selective B-H functionalization of carboranes. Dalton Trans 2019; 48:7494-7498. [PMID: 31026000 DOI: 10.1039/c9dt01140d] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Vertex-specific functionalization of carboranes has received considerable research interest, due to the valuable application of carborane derivatives in medicine, coordination/organometallic chemistry and materials. In comparison with a protic cage C-H bond, cage B-H is hydridic and generally less polar, with a bond dissociation energy of ca. 108 kcal mol-1. These features make B-H activation quite different from that of the C-H bond. In addition, selectivity among ten very similar BH vertices in o-carborane is challenging yet crucial to the effective construction of carborane-based functional molecules. To address these issues, a brand new strategy of cage B-H nucleophilic substitution has recently been presented and developed for straightforward and regioselective cage B-H functionalization. The regioselectivity can be controlled by the electronic/steric properties of the cage carbon substituents. This Frontier article highlights the recent advancement in the nucleophilic cage B-H substitution of carboranes.
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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, New Territories, Hong Kong, China.
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22
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Shen Y, Zhang K, Liang X, Dontha R, Duttwyler S. Highly selective palladium-catalyzed one-pot, five-fold B-H/C-H cross coupling of monocarboranes with alkenes. Chem Sci 2019; 10:4177-4184. [PMID: 31057746 PMCID: PMC6471670 DOI: 10.1039/c9sc00078j] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 03/03/2019] [Indexed: 01/07/2023] Open
Abstract
Palladium-catalyzed dehydrogenative B-H/C-H cross coupling of monocarborane anions with alkenes is reported, allowing for the first time the isolation of selectively penta-alkenylated boron clusters. The reaction cascade is regioselective for the cage positions, leading directly to B2-6 functionalization. Under mild and convenient conditions, styrenes, benzylic alkenes and aliphatic alkenes are demonstrated to be viable coupling partners with exclusive vinyl-type B-C bond formation. Multiple subsequent transformations provide access to directing group-free products, chiral derivatives and penta-alkylated cages. The five-fold coupling, combined with the latter reactions, represents a powerful methodology for the straightforward synthesis of new classes of boron clusters.
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Affiliation(s)
- Yunjun Shen
- Department of Chemistry , Zhejiang University , 310027 Hangzhou , Zhejiang , P. R. China .
| | - Kang Zhang
- Department of Chemistry , Zhejiang University , 310027 Hangzhou , Zhejiang , P. R. China .
| | - Xuewei Liang
- Department of Chemistry , Zhejiang University , 310027 Hangzhou , Zhejiang , P. R. China .
| | - Rakesh Dontha
- Department of Chemistry , Zhejiang University , 310027 Hangzhou , Zhejiang , P. R. China .
| | - Simon Duttwyler
- Department of Chemistry , Zhejiang University , 310027 Hangzhou , Zhejiang , P. R. China .
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23
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Tang C, Zhang J, Zhang J, Xie Z. Regioselective Nucleophilic Alkylation/Arylation of B–H Bonds in o-Carboranes: An Alternative Method for Selective Cage Boron Functionalization. J Am Chem Soc 2018; 140:16423-16427. [DOI: 10.1021/jacs.8b10270] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Cen Tang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Jiji Zhang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Jie Zhang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, 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
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24
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Cao HJ, Dai H, Zhang X, Yan H, Lu C. Synthesis and characterization of Cp*Ir-dithiolene-o-carborane phosphine complexes: A continuous investigation of B−H⋯π interaction. Mol Phys 2018. [DOI: 10.1080/00268976.2018.1539257] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Hou-ji Cao
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, People's Republic of China
| | - Huimin Dai
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, People's Republic of China
| | - Xiaolei Zhang
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, People's Republic of China
| | - Hong Yan
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, People's Republic of China
| | - Changsheng Lu
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, People's Republic of China
- National Demonstration Center for Experimental Chemistry Education, Nanjing University, Nanjing, People's Republic of China
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