1
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Li Y, Du Y, Liu Y, Liu R, Zhou R. Phosphine-catalyzed divergent reactivity of alkynoates with acid anhydrides: chemo- and stereoselective synthesis of polysubstituted olefins and dienes. Org Chem Front 2022. [DOI: 10.1039/d2qo00820c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unprecedented phosphine-catalyzed chemoselective acylesterification, tandem addition and Michael type reaction between alkynoates and acid anhydrides have been developed, enabling efficient synthesis of either the polysubstituted olefins or the multifunctional dienes.
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Affiliation(s)
- Yunxia Li
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Yunfeng Du
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Yiming Liu
- College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Rongfang Liu
- College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong, 030619, China
| | - Rong Zhou
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China
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2
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trans-Selective hydrocyanation of ynoates, ynones and ynoic acids catalyzed by nucleophilic phosphines. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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3
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Yang Y, Daniliuc CG, Studer A. 1,1,2‐Trifunctionalization of Terminal Alkynes by Radical Addition–Translocation–Cyclization–Trapping for the Construction of Highly Substituted Cyclopentanes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202011785] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Youqing Yang
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraß 40 48149 Münster Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraß 40 48149 Münster Germany
| | - Armido Studer
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraß 40 48149 Münster Germany
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4
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Yang Y, Daniliuc CG, Studer A. 1,1,2‐Trifunctionalization of Terminal Alkynes by Radical Addition–Translocation–Cyclization–Trapping for the Construction of Highly Substituted Cyclopentanes. Angew Chem Int Ed Engl 2020; 60:2145-2148. [DOI: 10.1002/anie.202011785] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Youqing Yang
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraß 40 48149 Münster Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraß 40 48149 Münster Germany
| | - Armido Studer
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraß 40 48149 Münster Germany
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5
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Sato Y, Nakamura K, Yabushita K, Nagao K, Ohmiya H. Tertiary Alkylations of Aldehydes, Ketones or Imines Using Benzylic Organoboronates and a Base Catalyst. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2020. [DOI: 10.1246/bcsj.20200122] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yukiya Sato
- Division of Pharmaceutical Sciences, Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Kei Nakamura
- Division of Pharmaceutical Sciences, Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Kenya Yabushita
- Division of Pharmaceutical Sciences, Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Kazunori Nagao
- Division of Pharmaceutical Sciences, Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Hirohisa Ohmiya
- Division of Pharmaceutical Sciences, Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
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6
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Wang X, Cui X, Li S, Wang Y, Xia C, Jiao H, Wu L. Zirconium‐Catalyzed Atom‐Economical Synthesis of 1,1‐Diborylalkanes from Terminal and Internal Alkenes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202002642] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Xianjin Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Suzhou Research Institute of LICP Lanzhou Institute of Chemical Physics (LICP) Chinese Academy of Sciences Lanzhou 730000 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Xin Cui
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Suzhou Research Institute of LICP Lanzhou Institute of Chemical Physics (LICP) Chinese Academy of Sciences Lanzhou 730000 P. R. China
| | - Sida Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Suzhou Research Institute of LICP Lanzhou Institute of Chemical Physics (LICP) Chinese Academy of Sciences Lanzhou 730000 P. R. China
| | - Yue Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Suzhou Research Institute of LICP Lanzhou Institute of Chemical Physics (LICP) Chinese Academy of Sciences Lanzhou 730000 P. R. China
| | - Chungu Xia
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Suzhou Research Institute of LICP Lanzhou Institute of Chemical Physics (LICP) Chinese Academy of Sciences Lanzhou 730000 P. R. China
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e. V. Albert-Einstein-Strasse 29a 18059 Rostock Germany
| | - Lipeng Wu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Suzhou Research Institute of LICP Lanzhou Institute of Chemical Physics (LICP) Chinese Academy of Sciences Lanzhou 730000 P. R. China
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7
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Wang X, Cui X, Li S, Wang Y, Xia C, Jiao H, Wu L. Zirconium-Catalyzed Atom-Economical Synthesis of 1,1-Diborylalkanes from Terminal and Internal Alkenes. Angew Chem Int Ed Engl 2020; 59:13608-13612. [PMID: 32297413 PMCID: PMC7496309 DOI: 10.1002/anie.202002642] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Indexed: 12/23/2022]
Abstract
A general and atom‐economical synthesis of 1,1‐diborylalkanes from alkenes and a borane without the need for an additional H2 acceptor is reported for the first time. The key to our success is the use of an earth‐abundant zirconium‐based catalyst, which allows a balance of self‐contradictory reactivities (dehydrogenative boration and hydroboration) to be achieved. Our method avoids using an excess amount of another alkene as an H2 acceptor, which was required in other reported systems. Furthermore, substrates such as simple long‐chain aliphatic alkenes that did not react before also underwent 1,1‐diboration in our system. Significantly, the unprecedented 1,1‐diboration of internal alkenes enabled the preparation of 1,1‐diborylalkanes.
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Affiliation(s)
- Xianjin Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xin Cui
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Sida Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Yue Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Chungu Xia
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e. V., Albert-Einstein-Strasse 29a, 18059, Rostock, Germany
| | - Lipeng Wu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
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8
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Liu X, Ming W, Luo X, Friedrich A, Maier J, Radius U, Santos WL, Marder TB. Regio- and Stereoselective Synthesis of 1,1-Diborylalkenes via Brønsted Base-Catalyzed Mixed Diboration of Alkynyl Esters and Amides with BpinBdan. European J Org Chem 2020; 2020:1941-1946. [PMID: 32362780 PMCID: PMC7187442 DOI: 10.1002/ejoc.202000128] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Indexed: 01/06/2023]
Abstract
The NaOtBu-catalyzed mixed 1,1-diboration of terminal alkynes using the unsymmetrical diboron reagent BpinBdan (pin = pinacolato; dan = 1,8-diaminonaphthalene) proceeds in a regio- and stereoselective fashion affording moderate to high yields of 1,1-diborylalkenes bearing orthogonal boron protecting groups. It is applicable to gram-scale synthesis without loss of yield or selectivity. The mixed 1,1-diborylalkene products can be utilized in Suzuki-Miyaura cross-coupling reactions which take place selectivly at the C-B site. DFT calculations suggest the NaOtBu-catalyzed mixed 1,1-diboration of alkynes occurs through deprotonation of the terminal alkyne, stepwise addition of BpinBdan to the terminal carbon followed by protonation with tBuOH. Experimentally observed selective formation of (Z)-diborylalkenes is supported by our theoretical studies.
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Affiliation(s)
- Xiaocui Liu
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius‐Maximilians‐Universität WürzburgAm Hubland97074WürzburgGermany
| | - Wenbo Ming
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius‐Maximilians‐Universität WürzburgAm Hubland97074WürzburgGermany
| | - Xiaoling Luo
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius‐Maximilians‐Universität WürzburgAm Hubland97074WürzburgGermany
- Chongqing Key Laboratory of Inorganic Functional MaterialsCollege of ChemistryChongqing Normal University401331ChongqingChina
| | - Alexandra Friedrich
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius‐Maximilians‐Universität WürzburgAm Hubland97074WürzburgGermany
| | - Jan Maier
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius‐Maximilians‐Universität WürzburgAm Hubland97074WürzburgGermany
| | - Udo Radius
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius‐Maximilians‐Universität WürzburgAm Hubland97074WürzburgGermany
| | - Webster L. Santos
- Department of ChemistryCollege of ChemistryVirginia Tech900 West Campus Drive24061BlacksburgVirginiaUSA
| | - Todd B. Marder
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius‐Maximilians‐Universität WürzburgAm Hubland97074WürzburgGermany
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9
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Gu Y, Duan Y, Shen Y, Martin R. Stereoselective Base‐Catalyzed 1,1‐Silaboration of Terminal Alkynes. Angew Chem Int Ed Engl 2020; 59:2061-2065. [DOI: 10.1002/anie.201913544] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Yiting Gu
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Yaya Duan
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Yangyang Shen
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Ruben Martin
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
- Catalan Institution for Research and Advanced Studies (ICREA) Passeig Lluïs Companys, 23 08010 Barcelona Spain
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10
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Gu Y, Duan Y, Shen Y, Martin R. Stereoselective Base‐Catalyzed 1,1‐Silaboration of Terminal Alkynes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913544] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yiting Gu
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Yaya Duan
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Yangyang Shen
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
| | - Ruben Martin
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
- Catalan Institution for Research and Advanced Studies (ICREA) Passeig Lluïs Companys, 23 08010 Barcelona Spain
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11
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Liu X, Ming W, Friedrich A, Kerner F, Marder TB. Copper-Catalyzed Triboration of Terminal Alkynes Using B 2 pin 2 : Efficient Synthesis of 1,1,2-Triborylalkenes. Angew Chem Int Ed Engl 2020; 59:304-309. [PMID: 31502712 PMCID: PMC6972586 DOI: 10.1002/anie.201908466] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 08/31/2019] [Indexed: 02/04/2023]
Abstract
We report herein the catalytic triboration of terminal alkynes with B2 pin2 (bis(pinacolato)diboron) using readily available Cu(OAc)2 and Pn Bu3 . Various 1,1,2-triborylalkenes, a class of compounds that have been demonstrated to be potential matrix metalloproteinase (MMP-2) inhibitors, were obtained directly in moderate to good yields. The process features mild reaction conditions, a broad substrate scope, and good functional group tolerance. This copper-catalyzed reaction can be conducted on a gram scale to produce the corresponding 1,1,2-triborylalkenes in modest yields. The utility of these products was demonstrated by further transformations of the C-B bonds to prepare gem-dihaloborylalkenes (F, Cl, Br), monohaloborylalkenes (Cl, Br), and trans-diaryldiborylalkenes, which serve as important synthons and have previously been challenging to prepare.
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Affiliation(s)
- Xiaocui Liu
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Wenbo Ming
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Alexandra Friedrich
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Florian Kerner
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Todd B. Marder
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with BoronJulius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
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12
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Li L, Dong M, Zhu H, Peng B, Xie Y, Schaefer HF. Unusual η
1
‐Coordinated Alkyne and Alkene Complexes. Chemistry 2019; 25:15628-15633. [DOI: 10.1002/chem.201903824] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Longfei Li
- Key Laboratory of Pharmaceutical Quality Control of Hebei ProvinceCollege of Pharmaceutical SciencesHebei University Baoding 071002 P. R. China
- Center for Computational Quantum ChemistryUniversity of Georgia Athens GA 30602 USA
| | - Mengxian Dong
- Key Laboratory of Pharmaceutical Quality Control of Hebei ProvinceCollege of Pharmaceutical SciencesHebei University Baoding 071002 P. R. China
| | - Hua‐Jie Zhu
- Key Laboratory of Pharmaceutical Quality Control of Hebei ProvinceCollege of Pharmaceutical SciencesHebei University Baoding 071002 P. R. China
| | - Bin Peng
- MOE Key Laboratory of Theoretical Chemistry of the EnvironmentCenter for Computational Quantum ChemistrySouth China Normal University Guangzhou 510006 P. R. China
- Center for Computational Quantum ChemistryUniversity of Georgia Athens GA 30602 USA
| | - Yaoming Xie
- Center for Computational Quantum ChemistryUniversity of Georgia Athens GA 30602 USA
| | - Henry F. Schaefer
- Center for Computational Quantum ChemistryUniversity of Georgia Athens GA 30602 USA
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13
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Liu X, Ming W, Friedrich A, Kerner F, Marder TB. Kupfer‐katalysierte Triborierung terminaler Alkine mit B
2
pin
2
: Effiziente Synthese von 1,1,2‐Triborylalkenen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908466] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Xiaocui Liu
- Institut für Anorganische Chemie und Institut für Nachhaltige Chemie & Katalyse mit Bor Julius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Wenbo Ming
- Institut für Anorganische Chemie und Institut für Nachhaltige Chemie & Katalyse mit Bor Julius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Alexandra Friedrich
- Institut für Anorganische Chemie und Institut für Nachhaltige Chemie & Katalyse mit Bor Julius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Florian Kerner
- Institut für Anorganische Chemie und Institut für Nachhaltige Chemie & Katalyse mit Bor Julius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Todd B. Marder
- Institut für Anorganische Chemie und Institut für Nachhaltige Chemie & Katalyse mit Bor Julius-Maximilians-Universität Würzburg Am Hubland 97074 Würzburg Deutschland
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14
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Liang MZ, Meek SJ. Catalytic Enantioselective Synthesis of 1,4-Keto-Alkenylboronate Esters and 1,4-Dicarbonyls. Angew Chem Int Ed Engl 2019; 58:14234-14239. [PMID: 31353794 DOI: 10.1002/anie.201907757] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 07/20/2019] [Indexed: 12/15/2022]
Abstract
A catalytic enantioselective method for the synthesis of 1,4-keto-alkenylboronate esters by a rhodium-catalyzed conjugate addition pathway is disclosed. A variety of novel, bench-stable alkenyl gem-diboronate esters are synthesized. These easily accessible reagents react smoothly with a collection of cyclic α,β-unsaturated ketones, generating a new C-C bond and stereocenter. Products are isolated in up to 99 % yield with greater than 20:1 E/Z and greater than 99:1 e.r. Mechanistic studies show the site-selectivity of transmetalation and reactivity is ligand dependent. The utility of the approach is highlighted by gram-scale synthesis of enantioenriched cyclic 1,4-diketones, and stereoselective transformations of the products by hydrogenation, allylation, and isomerization.
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Affiliation(s)
- Michael Z Liang
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Simon J Meek
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
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15
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Liang MZ, Meek SJ. Catalytic Enantioselective Synthesis of 1,4‐Keto‐Alkenylboronate Esters and 1,4‐Dicarbonyls. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907757] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Michael Z. Liang
- Department of Chemistry The University of North Carolina at Chapel Hill Chapel Hill NC 27599 USA
| | - Simon J. Meek
- Department of Chemistry The University of North Carolina at Chapel Hill Chapel Hill NC 27599 USA
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16
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Katsuma Y, Wu L, Lin Z, Akiyama S, Yamashita M. Reactivity of Highly Lewis-Acidic Diborane(4) toward C≡N and N=N Bonds: Uncatalyzed Addition and N=N Bond-Cleavage Reactions. Angew Chem Int Ed Engl 2018; 58:317-321. [DOI: 10.1002/anie.201812692] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Indexed: 01/28/2023]
Affiliation(s)
- Yuhei Katsuma
- Department of Applied Chemistry; Faculty of Science and Engineering; Chuo University, Bunkyo-ku; 112-8551 Tokyo Japan
| | - Linlin Wu
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong Hong Kong
| | - Zhenyang Lin
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong Hong Kong
| | - Seiji Akiyama
- Department of Molecular and Macromolecular Chemistry; Graduate School of Engineering; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8603 Aichi Japan
| | - Makoto Yamashita
- Department of Molecular and Macromolecular Chemistry; Graduate School of Engineering; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8603 Aichi Japan
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17
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Katsuma Y, Wu L, Lin Z, Akiyama S, Yamashita M. Reactivity of Highly Lewis-Acidic Diborane(4) toward C≡N and N=N Bonds: Uncatalyzed Addition and N=N Bond-Cleavage Reactions. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201812692] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Yuhei Katsuma
- Department of Applied Chemistry; Faculty of Science and Engineering; Chuo University, Bunkyo-ku; 112-8551 Tokyo Japan
| | - Linlin Wu
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong Hong Kong
| | - Zhenyang Lin
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong Hong Kong
| | - Seiji Akiyama
- Department of Molecular and Macromolecular Chemistry; Graduate School of Engineering; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8603 Aichi Japan
| | - Makoto Yamashita
- Department of Molecular and Macromolecular Chemistry; Graduate School of Engineering; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8603 Aichi Japan
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18
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Fasano V, Cid J, Procter RJ, Ross E, Ingleson MJ. Selective Boryl-Anion Migration in a Vinyl sp 2 -sp 3 Diborane Induced by Soft Borane Lewis Acids. Angew Chem Int Ed Engl 2018; 57:13293-13297. [PMID: 30102471 PMCID: PMC6221116 DOI: 10.1002/anie.201808216] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Indexed: 12/16/2022]
Abstract
An intramolecular 1,2‐boryl‐anion migration from boron to carbon has been achieved by selective activation of the π system in [(vinyl)B2Pin2)]− using “soft” BR3 electrophiles (BR3=BPh3 or 9‐aryl‐BBN). The soft character is key to ensure 1,2‐migration proceeds instead of oxygen coordination/B−O activation. The BR3‐induced 1,2‐boryl‐anion migration represents a triple borylation of a vinyl Grignard reagent using only B2Pin2 and BR3 and forms differentially protected 1,1,2‐triborylated alkanes. Notably, by increasing the steric bulk at the β position of the vinyl Grignard reagent used to activate B2Pin2, 1,2‐boryl‐anion migration can be suppressed in favor of intermolecular {BPin}− transfer to BPh3, thus enabling simple access to unsymmetrical sp2−sp3 diboranes.
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Affiliation(s)
- Valerio Fasano
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Jessica Cid
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Richard J Procter
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Emily Ross
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Michael J Ingleson
- School of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
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19
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Fasano V, Cid J, Procter RJ, Ross E, Ingleson MJ. Selective Boryl‐Anion Migration in a Vinyl sp
2
−sp
3
Diborane Induced by Soft Borane Lewis Acids. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808216] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Valerio Fasano
- School of ChemistryUniversity of Manchester Oxford Road Manchester M13 9PL UK
| | - Jessica Cid
- School of ChemistryUniversity of Manchester Oxford Road Manchester M13 9PL UK
| | - Richard J. Procter
- School of ChemistryUniversity of Manchester Oxford Road Manchester M13 9PL UK
| | - Emily Ross
- School of ChemistryUniversity of Manchester Oxford Road Manchester M13 9PL UK
| | - Michael J. Ingleson
- School of ChemistryUniversity of Manchester Oxford Road Manchester M13 9PL UK
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20
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Royes J, Cuenca AB, Fernández E. Access to 1,1-Diborylalkenes and Concomitant Stereoselective Reactivity. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701786] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jordi Royes
- Dept. Química Física i Inorgànica; University Rovira i Virgili; C/Marcel·lí Domingo s/n 43007 Tarragona Spain
| | - Ana B. Cuenca
- Dept. Química Orgánica y Farmacéutica; Institut Químic de Sarrià; Universitat Ramon Llull; Via Augusta, 390 08017 Barcelona Spain
| | - Elena Fernández
- Dept. Química Física i Inorgànica; University Rovira i Virgili; C/Marcel·lí Domingo s/n 43007 Tarragona Spain
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21
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Yamazaki A, Nagao K, Iwai T, Ohmiya H, Sawamura M. Phosphine-Catalyzed anti
-Carboboration of Alkynoates with 9-BBN-Based 1,1-Diborylalkanes: Synthesis and Use of Multisubstituted γ-Borylallylboranes. Angew Chem Int Ed Engl 2018; 57:3196-3199. [DOI: 10.1002/anie.201712351] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Indexed: 01/01/2023]
Affiliation(s)
- Ayaka Yamazaki
- Department of Chemistry; Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Kazunori Nagao
- Department of Chemistry; Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Tomohiro Iwai
- Department of Chemistry; Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Hirohisa Ohmiya
- Division of Pharmaceutical Sciences; Graduate School of Medical Sciences; Kanazawa University; Kakuma-machi Kanazawa 920-1192 Japan
| | - Masaya Sawamura
- Department of Chemistry; Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
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22
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Yamazaki A, Nagao K, Iwai T, Ohmiya H, Sawamura M. Phosphine-Catalyzed anti
-Carboboration of Alkynoates with 9-BBN-Based 1,1-Diborylalkanes: Synthesis and Use of Multisubstituted γ-Borylallylboranes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712351] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ayaka Yamazaki
- Department of Chemistry; Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Kazunori Nagao
- Department of Chemistry; Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Tomohiro Iwai
- Department of Chemistry; Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Hirohisa Ohmiya
- Division of Pharmaceutical Sciences; Graduate School of Medical Sciences; Kanazawa University; Kakuma-machi Kanazawa 920-1192 Japan
| | - Masaya Sawamura
- Department of Chemistry; Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
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