1
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Empel C, Fetzer MNA, Sasmal S, Strothmann T, Janiak C, Koenigs RM. Unlocking catalytic potential: a rhodium(II)-based coordination polymer for efficient carbene transfer reactions with donor/acceptor diazoalkanes. Chem Commun (Camb) 2024; 60:7327-7330. [PMID: 38913109 DOI: 10.1039/d4cc01386g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
Herein, we report the use of a molecular-defined rhodium(II) coordination polymer (Rh-CP) as a heterogeneous, recyclable catalyst in carbene transfer reactions. We showcase the application of this heterogeneous catalyst in a range of carbene transfer reactions and conclude with the functionalization of natural products and drug molecules.
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Affiliation(s)
- Claire Empel
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany.
| | - Marcus N A Fetzer
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Suman Sasmal
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany.
| | - Till Strothmann
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Rene M Koenigs
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany.
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2
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Li Z, Jiang H, Zhu M, Zhang F. Self-Supported Chiral Dirhodium Organic Frameworks Enables Efficient Asymmetric Cyclopropanation. ACS APPLIED MATERIALS & INTERFACES 2024; 16:19003-19013. [PMID: 38566322 DOI: 10.1021/acsami.4c02215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The development of heterogeneous chiral dirhodium catalysts for fabricating important bioactive substances and reducing the loss of noble metals has long been of significant interest. However, there still remains formidable synthetic challenges since it requires multiple steps of the synthetic process, and rhodium is easily leached from solid materials during the reaction. Here, we demonstrated a self-supported strategy based on the Suzuki-Miyaura coupling reaction to construct two chiral dirhodium organic frameworks for heterogeneous asymmetric catalysis. The synthetic approach is simple and efficient since it requires only a small number of preparation steps and does not require any catalyst supporting materials. The obtained chiral dirhodium materials can be highly efficient and recyclable heterogeneous catalysts for asymmetric cyclopropanation between diazooxindole and alkenes. Importantly, Rh2-MOCP-2 exhibited almost similar catalytic performance compared to homogeneous catalyst Rh2(S-Br-NTTL)4. The afforded catalytic performance (93.9% yield with 80.9% ee) highly surpasses previous heterogeneous dirhodium catalysts reported to date.
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Affiliation(s)
- Zhenzhong Li
- Department of Chemistry, Shanghai Normal University, Shanghai 200234, China
- Technical University of Darmstadt, Institute of Inorganic and Physical Chemistry, Darmstadt D-64287, Germany
| | - Huating Jiang
- Department of Chemistry, Shanghai Normal University, Shanghai 200234, China
| | - Mingxiang Zhu
- Department of Chemistry, Shanghai Normal University, Shanghai 200234, China
| | - Fang Zhang
- Department of Chemistry, Shanghai Normal University, Shanghai 200234, China
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3
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Bayrakdar TACA, Lescot C. Process Development of Heterogeneous Rh Catalyzed Carbene Transfer Reactions Under Continuous Flow Conditions. CHEMSUSCHEM 2023; 16:e202300596. [PMID: 37184307 DOI: 10.1002/cssc.202300596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/15/2023] [Accepted: 05/15/2023] [Indexed: 05/16/2023]
Abstract
A very simple Rh-based catalyst operates under heterogeneous flow conditions for the carbene transfer of methyl diazoacetate (MDA) with several substrates. Two different methods for heterogenizing the catalyst in a column reactor have been applied. Different X-H (X=O, S, Si, CH2 ) were successfully functionalized by the carbene and cyclopropenation was performed under very mild continuous flow conditions. Following these promising results, catalyst recycling experiments using both methodologies were conducted in which up to 5 catalytic cycles have been achieved for the carbene O-H insertion reaction and interestingly, a sequential transformation of different substrates with up to 10 consecutive runs per reactor were achieved with no loss in the catalytic activity, thus allowing the production of families of compounds.
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Affiliation(s)
- Tahani A C A Bayrakdar
- Chimie ParisTech PSL, CNRS 8060, Institute of Chemistry for Life and Health Sciences (i-CLeHS), 11, rue Pierre et Marie Curie, 75005, Paris, France
| | - Camille Lescot
- Chimie ParisTech PSL, CNRS 8060, Institute of Chemistry for Life and Health Sciences (i-CLeHS), 11, rue Pierre et Marie Curie, 75005, Paris, France
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4
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Wu ZQ, Song X, Li YX, Zhou L, Zhu YY, Chen Z, Liu N. Achiral organoiodine-functionalized helical polyisocyanides for multiple asymmetric dearomative oxidations. Nat Commun 2023; 14:566. [PMID: 36732532 PMCID: PMC9894859 DOI: 10.1038/s41467-023-36327-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 01/24/2023] [Indexed: 02/04/2023] Open
Abstract
Immobilizing organocatalyst onto helical polymers not only facilitates the catalyst recycling from homogeneous reactions, but also boosts enantioselectivity. In this work, achiral organoiodine-functionalized single left- and right-handed helical polyisocyanides were prepared from the same monomers, which catalyzed three asymmetric oxidations gave the desired products in high yields and excellent enantioselectivity. The enantiomeric excess of the target products was up to 95%. Remarkably, the enantioselectivity can be switched by reversing the helicity of the polymer backbone. The polymer catalysts can be facilely recovered and recycled in different asymmetric oxidations with maintained excellent activity and enantioselectivity.
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Affiliation(s)
- Zong-Quan Wu
- State Key Laboratory of Supramolecular Structureand Materials, College of Chemistry, Jilin University, Changchun, 130012, China.
| | - Xue Song
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Yan-Xiang Li
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Li Zhou
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Yuan-Yuan Zhu
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Zheng Chen
- State Key Laboratory of Supramolecular Structureand Materials, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Na Liu
- The School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin, 130021, China
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5
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Diazo compounds: Recent applications in synthetic organic chemistry and beyond. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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6
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Li Z, Jiang H, Liu J, Ning T, Phan NTS, Zhang F. Self-Adaptive Dirhodium Complexes in a Metal-Organic Framework for Synthesis of N-H Aziridines. ACS APPLIED MATERIALS & INTERFACES 2022; 14:30714-30723. [PMID: 35785968 DOI: 10.1021/acsami.2c04603] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Conformational dynamics of active sites in enzymes enable great control over the catalytic process. Herein, we constructed a metal-organic framework with conformationally dynamic active sites (Rh2-ZIF-8). The active sites in Rh2-ZIF-8 were composed of the imidazolate-bridged bimetallic center with a catalytic dirhodium moiety and structural zinc site. Even though the coordination sphere of the dirhodium species was saturated with two circularly arranged esp groups and two axial 2-MeIm ligands, it could still effectively catalyze the direct synthesis of N-H aziridines from olefins with high activity. We found that such a self-adaptive catalytic process was based on the dynamic breakage and reformation of the rhodium-zinc imidazolate bridges. Interestingly, the in situ generated dirhodium site with a unique Rh2(esp)2(2-MeIm)1 configuration was able to exhibit obviously enhanced selectivity compared to homogeneous catalyst Rh2(esp)2. Furthermore, the surrounding zinc imidazolate groups could effectively protect the dirhodium moieties from harsh environments, and this ultimately endowed it with high stability.
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Affiliation(s)
- Zhenzhong Li
- Department of Chemistry, Shanghai Normal University, 100 Guilin Rd., Shanghai, 200234, China
| | - Huating Jiang
- Department of Chemistry, Shanghai Normal University, 100 Guilin Rd., Shanghai, 200234, China
| | - Jinxiu Liu
- Department of Chemistry, Shanghai Normal University, 100 Guilin Rd., Shanghai, 200234, China
| | - Tiantian Ning
- Department of Chemistry, Shanghai Normal University, 100 Guilin Rd., Shanghai, 200234, China
| | - Nam T S Phan
- Department of Chemical Engineering, HCMC University of Technology, Vietnam National University System-Ho Chi Minh City (VNU-HCM), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 008428, Vietnam
| | - Fang Zhang
- Department of Chemistry, Shanghai Normal University, 100 Guilin Rd., Shanghai, 200234, China
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7
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Nambu H, Amano R, Tamura T, Yakura T. Rhodium(II)‐Catalyzed Site‐Selective Intramolecular Insertion of Aryldiazoacetates into Unactivated Primary C−H Bond: A Direct Route to 2‐Unsubstituted Indanes. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hisanori Nambu
- Faculty of Pharmaceutical Sciences University of Toyama Sugitani Toyama 930-0194 Japan
| | - Ryoya Amano
- Faculty of Pharmaceutical Sciences University of Toyama Sugitani Toyama 930-0194 Japan
| | - Takafumi Tamura
- Faculty of Pharmaceutical Sciences University of Toyama Sugitani Toyama 930-0194 Japan
| | - Takayuki Yakura
- Faculty of Pharmaceutical Sciences University of Toyama Sugitani Toyama 930-0194 Japan
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8
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Caló FP, Zimmer A, Bistoni G, Fürstner A. From Serendipity to Rational Design: Heteroleptic Dirhodium Amidate Complexes for Diastereodivergent Asymmetric Cyclopropanation. J Am Chem Soc 2022; 144:7465-7478. [PMID: 35420801 PMCID: PMC9052758 DOI: 10.1021/jacs.2c02258] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
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A heteroleptic dirhodium
paddlewheel complex comprising three chiral
carboxylate ligands and one achiral acetamidate ligand has recently
been found to be uniquely effective in catalyzing the asymmetric cyclopropanation
of olefins with α-stannylated (silylated and germylated) α-diazoacetate
derivatives. A number of control experiments in combination with detailed
computational studies provide compelling evidence that an interligand
hydrogen bond between the −NH group of the amidate and the
ester carbonyl group of the reactive rhodium carbene intermediate
plays a quintessential role in the stereodetermining transition state.
The penalty for distorting this array outweighs steric arguments and
renders two of the four conceivable transitions states unviable. Based
on this mechanistic insight, the design of the parent catalyst is
revisited herein: placement of appropriate peripheral substituents
allows high levels of diastereocontrol to be imposed upon cyclopropanation,
which the original catalyst lacks. Because the new complexes allow
either trans- or cis-configured stannylated cyclopropanes to be made
selectively and in excellent optical purity, this transformation also
marks a rare case of diastereodivergent asymmetric catalysis. The
products are amenable to stereospecific cross coupling with aryl halides
or alkenyl triflates; these transformations appear to be the first
examples of the formation of stereogenic quaternary carbon centers
by the Stille reaction; carbonylative coupling is also achieved. Moreover,
tin/lithium exchange affords chiral lithium enolates, which can be
intercepted with a variety of electrophilic partners. The virtues
and inherent flexibility of this new methodology are illustrated by
an efficient synthesis of two salinilactones, extremely scarce bacterial
metabolites with signaling function involved in the self-regulatory
growth inhibition of the producing strain.
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Affiliation(s)
| | - Anne Zimmer
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr D-45470, Germany
| | - Giovanni Bistoni
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr D-45470, Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung, Mülheim/Ruhr D-45470, Germany
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9
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He Y, Huang Z, Wu K, Ma J, Zhou YG, Yu Z. Recent advances in transition-metal-catalyzed carbene insertion to C-H bonds. Chem Soc Rev 2022; 51:2759-2852. [PMID: 35297455 DOI: 10.1039/d1cs00895a] [Citation(s) in RCA: 82] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
C-H functionalization has been emerging as a powerful method to establish carbon-carbon and carbon-heteroatom bonds. Many efforts have been devoted to transition-metal-catalyzed direct transformations of C-H bonds. Metal carbenes generated in situ from transition-metal compounds and diazo or its equivalents are usually applied as the transient reactive intermediates to furnish a catalytic cycle for new C-C and C-X bond formation. Using this strategy compounds from unactivated simple alkanes to complex molecules can be further functionalized or transformed to multi-functionalized compounds. In this area, transition-metal-catalyzed carbene insertion to C-H bonds has been paid continuous attention. Diverse catalyst design strategies, synthetic methods, and potential applications have been developed. This critical review will summarize the advance in transition-metal-catalyzed carbene insertion to C-H bonds dated up to July 2021, by the categories of C-H bonds from aliphatic C(sp3)-H, aryl (aromatic) C(sp2)-H, heteroaryl (heteroaromatic) C(sp2)-H bonds, alkenyl C(sp2)-H, and alkynyl C(sp)-H, as well as asymmetric carbene insertion to C-H bonds, and more coverage will be given to the recent work. Due to the rapid development of the C-H functionalization area, future directions in this topic are also discussed. This review will give the authors an overview of carbene insertion chemistry in C-H functionalization with focus on the catalytic systems and synthetic applications in C-C bond formation.
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Affiliation(s)
- Yuan He
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Zilong Huang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Kaikai Wu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China.
| | - Juan Ma
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yong-Gui Zhou
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China.
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China. .,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, P. R. China.,Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, P. R. China
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10
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Abshire A, Moore D, Courtney J, Darko A. Heteroleptic dirhodium(II,II) paddlewheel complexes as carbene transfer catalysts. Org Biomol Chem 2021; 19:8886-8905. [PMID: 34611688 DOI: 10.1039/d1ob01414e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review highlights the applications of dirhodium(II,II) paddlewheel complexes with a heteroleptic scaffold. Dirhodium(II,II) paddlewheel complexes are well known as highly efficient and selective carbene transfer catalysts. While the majority of described complexes are homoleptic, comparatively fewer studies have concerned heteroleptic complexes. Here, we emphasise the use of heteroleptic complexes in order to highlight their benefits as carbene transfer catalysts and spur future research. Methods to synthesise heteroleptic dirhodium(II,II) paddlewheel complexes are discussed as well as a categorical review of their types of heteroleptic complexes and the carbene reactions in which they have been used.
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Affiliation(s)
- Anthony Abshire
- Department of Chemistry, University of Tennessee, Knoxville, TN 37796-1600, USA.
| | - Desiree Moore
- Department of Chemistry, University of Tennessee, Knoxville, TN 37796-1600, USA.
| | - Jobe Courtney
- Department of Chemistry, University of Tennessee, Knoxville, TN 37796-1600, USA.
| | - Ampofo Darko
- Department of Chemistry, University of Tennessee, Knoxville, TN 37796-1600, USA.
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11
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Li Z, Rösler L, Wissel T, Breitzke H, Gutmann T, Buntkowsky G. Immobilization of a chiral dirhodium catalyst on SBA-15 via click-chemistry: Application in the asymmetric cyclopropanation of 3-diazooxindole with aryl alkenes. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2021.101682] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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12
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Crowley DC, Brouder TA, Kearney AM, Lynch D, Ford A, Collins SG, Maguire AR. Exploiting Continuous Processing for Challenging Diazo Transfer and Telescoped Copper-Catalyzed Asymmetric Transformations. J Org Chem 2021; 86:13955-13982. [PMID: 34379975 PMCID: PMC8524431 DOI: 10.1021/acs.joc.1c01310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
![]()
Generation and use
of triflyl azide in flow enables efficient synthesis
of a range of α-diazocarbonyl compounds, including α-diazoketones,
α-diazoamides, and an α-diazosulfonyl ester, via both
Regitz-type diazo transfer and deacylative/debenzoylative diazo-transfer
processes with excellent yields and offers versatility in the solvent
employed, in addition to addressing the hazards associated with handling
of this highly reactive sulfonyl azide. Telescoping the generation
of triflyl azide and diazo-transfer process with highly enantioselective
copper-mediated intramolecular aromatic addition and C–H insertion
processes demonstrates that the reaction stream containing the α-diazocarbonyl
compound can be obtained in sufficient purity to pass directly over
the immobilized copper bis(oxazoline) catalyst without detrimentally
impacting the catalyst enantioselectivity.
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Affiliation(s)
- Daniel C Crowley
- School of Chemistry, Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland
| | - Thomas A Brouder
- School of Chemistry, Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland
| | - Aoife M Kearney
- School of Chemistry, Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland
| | - Denis Lynch
- School of Chemistry, Analytical and Biological Chemistry Research Facility, Synthesis and Solid State Pharmaceutical Centre, University College Cork, Cork, Ireland
| | - Alan Ford
- School of Chemistry, Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland
| | - Stuart G Collins
- School of Chemistry, Analytical and Biological Chemistry Research Facility, Synthesis and Solid State Pharmaceutical Centre, University College Cork, Cork, Ireland
| | - Anita R Maguire
- School of Chemistry and School of Pharmacy, Analytical and Biological Chemistry Research Facility, Synthesis and Solid State Pharmaceutical Centre, University College Cork, Cork, Ireland
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13
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Pietruschka DS, Kumari B, Buntkowsky G, Gutmann T, Mollenhauer D. Mechanism of Heterogenization of Dirhodium Catalysts: Insights from DFT Calculations. Inorg Chem 2021; 60:6239-6248. [PMID: 33856209 DOI: 10.1021/acs.inorgchem.0c03712] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Dirhodium(II) complexes such as [Rh2(TFA)4] bound to a functionalized mesoporous SBA-15 carrier material have proven to be valuable candidates for heterogeneous catalysis in the field of pharmaceutical synthesis. However, the mechanistic steps of immobilization by linker molecules containing carboxyl or amine functionalities remain the subject of discussion. Here we present a theoretical study of possible mechanistic binding pathways for the [Rh2(TFA)4] complex through model representations of synthetically investigated linkers, namely n-butylamine and n-butyric acid. Experimentally proposed intermediates of the immobilization process are investigated and analyzed by density functional theory calculations to gain insights into structural properties and the influence of solvation. An evaluation of the thermodynamic data for all identified intermediates allowed distinguishing between two possible reaction pathways that are characterized by a first axial complexation of either n-butyric acid or n-butylamine. In agreement with results from NMR spectroscopy, singly or doubly n-butylamine-fixated complexes were found to present possible immobilization products. Initial binding through a carboxy-functionalized linker is proposed as the most favorable reaction pathway for the formation of the mixed linker pattern [Rh2(TFA)3]·(n-butylamine)·(n-butyrate). The linkers n-butyric acid and n-butyrate, respectively, are found to exhibit an unaltered binding affinity to the dirhodium complex despite their protonation states, indicating invariance to the acidic environment unlike an immobilization by n-butylamine. These results present a theoretical framework for the rationalization of observed product distributions while also providing inspiration and guidance for the preparation of functionalized heterogeneous SBA-15/dirhodium catalyst systems.
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Affiliation(s)
- Dennis S Pietruschka
- Physikalisch-Chemisches Institut, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 17, D-35392 Gießen, Germany.,Center for Materials Research (LaMa), Justus-Liebig-Universität, Heinrich-Buff-Ring 16, D-35392 Gießen, Germany
| | - Bharti Kumari
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Alarich-Weiss-Straße 8, D-64287 Darmstadt, Germany
| | - Gerd Buntkowsky
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Alarich-Weiss-Straße 8, D-64287 Darmstadt, Germany
| | - Torsten Gutmann
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Alarich-Weiss-Straße 8, D-64287 Darmstadt, Germany
| | - Doreen Mollenhauer
- Physikalisch-Chemisches Institut, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 17, D-35392 Gießen, Germany.,Center for Materials Research (LaMa), Justus-Liebig-Universität, Heinrich-Buff-Ring 16, D-35392 Gießen, Germany
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14
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Anada M, Hashimoto S, Ito M, Kondo Y, Namie R, Natori Y, Takeda K, Nambu H, Yamamoto Y. Diastereo- and Enantioselective Intramolecular 1,6-C–H Insertion Reaction of Diaryldiazomethanes Catalyzed by Chiral Dirhodium(II) Carboxylates. HETEROCYCLES 2021. [DOI: 10.3987/com-20-s(k)61] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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15
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Li Z, Rösler L, Wissel T, Breitzke H, Hofmann K, Limbach HH, Gutmann T, Buntkowsky G. Design and characterization of novel dirhodium coordination polymers – the impact of ligand size on selectivity in asymmetric cyclopropanation. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00109d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Novel dirhodium coordination polymers are synthesized and characterized by various spectroscopic techniques. The catalysts exhibit good stability and excellent catalytic performance and selectivity in the cyclopropanation of diazooxindoles.
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Affiliation(s)
- Zhenzhong Li
- Technical University of Darmstadt
- Institute of Inorganic and Physical Chemistry
- D-64287 Darmstadt
- Germany
| | - Lorenz Rösler
- Technical University of Darmstadt
- Institute of Inorganic and Physical Chemistry
- D-64287 Darmstadt
- Germany
| | - Till Wissel
- Technical University of Darmstadt
- Institute of Inorganic and Physical Chemistry
- D-64287 Darmstadt
- Germany
| | - Hergen Breitzke
- Technical University of Darmstadt
- Institute of Inorganic and Physical Chemistry
- D-64287 Darmstadt
- Germany
| | - Kathrin Hofmann
- Technical University of Darmstadt
- Institute of Inorganic and Physical Chemistry
- D-64287 Darmstadt
- Germany
| | - Hans-Heinrich Limbach
- Free University of Berlin
- Institute of Chemistry and Biochemistry
- D-14195 Berlin
- Germany
| | - Torsten Gutmann
- Technical University of Darmstadt
- Institute of Inorganic and Physical Chemistry
- D-64287 Darmstadt
- Germany
| | - Gerd Buntkowsky
- Technical University of Darmstadt
- Institute of Inorganic and Physical Chemistry
- D-64287 Darmstadt
- Germany
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16
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Hatridge TA, Liu W, Yoo C, Davies HML, Jones CW. Optimized Immobilization Strategy for Dirhodium(II) Carboxylate Catalysts for C−H Functionalization and Their Implementation in a Packed Bed Flow Reactor. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Taylor A. Hatridge
- School of Chemical & Biomolecular Engineering Georgia Institute of Technology 311 Ferst Dr Atlanta GA 30332 USA
| | - Wenbin Liu
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Chun‐Jae Yoo
- School of Chemical & Biomolecular Engineering Georgia Institute of Technology 311 Ferst Dr Atlanta GA 30332 USA
| | - Huw M. L. Davies
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Christopher W. Jones
- School of Chemical & Biomolecular Engineering Georgia Institute of Technology 311 Ferst Dr Atlanta GA 30332 USA
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17
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Hatridge TA, Liu W, Yoo CJ, Davies HML, Jones CW. Optimized Immobilization Strategy for Dirhodium(II) Carboxylate Catalysts for C-H Functionalization and Their Implementation in a Packed Bed Flow Reactor. Angew Chem Int Ed Engl 2020; 59:19525-19531. [PMID: 32483912 DOI: 10.1002/anie.202005381] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/27/2020] [Indexed: 12/22/2022]
Abstract
Herein we demonstrate a packed bed flow reactor capable of achieving highly regio- and stereoselective C-H functionalization reactions using a newly developed Rh2 (S-2-Cl-5-CF3 TPCP)4 catalyst. To optimize the immobilized dirhodium catalyst employed in the flow reactor, we systematically study both (i) the effects of ligand immobilization position, demonstrating the critical factor that the catalyst-support attachment location can have on the catalyst performance, and (ii) silica support mesopore length, demonstrating that decreasing diffusional limitations leads to increased accessibility of the active site and higher catalyst turnover frequency. We employ the immobilized dirhodium catalyst in a simple packed bed flow reactor achieving comparable yields and levels of enantioselectivity to the homogeneous catalyst employed in batch and maintain this performance over ten catalyst recycles.
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Affiliation(s)
- Taylor A Hatridge
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr, Atlanta, GA, 30332, USA
| | - Wenbin Liu
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, GA, 30322, USA
| | - Chun-Jae Yoo
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr, Atlanta, GA, 30332, USA
| | - Huw M L Davies
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, GA, 30322, USA
| | - Christopher W Jones
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr, Atlanta, GA, 30332, USA
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18
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Li Z, Rösler L, Herr K, Brodrecht M, Breitzke H, Hofmann K, Limbach HH, Gutmann T, Buntkowsky G. Dirhodium Coordination Polymers for Asymmetric Cyclopropanation of Diazooxindoles with Olefins: Synthesis and Spectroscopic Analysis. Chempluschem 2020; 85:1737-1746. [PMID: 32790226 DOI: 10.1002/cplu.202000421] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/22/2020] [Indexed: 12/30/2022]
Abstract
A facile approach is reported for the preparation of dirhodium coordination polymers [Rh2 (L1)2 ]n (Rh2 -L1) and [Rh2 (L2)2 ]n (Rh2 -L2; L1=N,N'-(pyromellitoyl)-bis-L-phenylalanine diacid anion, L2=bis-N,N'-(L-phenylalanyl) naphthalene-1,4,5,8-tetracarboxylate diimide) from chiral dicarboxylic acids by ligand exchange. Multiple techniques including FTIR, XPS, and 1 H→13 C CP MAS NMR spectroscopy reveal the formation of the coordination polymers. 19 F MAS NMR was utilized to investigate the remaining TFA groups in the obtained coordination polymers, and demonstrated near-quantitative ligand exchange. DR-UV-vis and XPS confirm the oxidation state of the Rh center and that the Rh-single bond in the dirhodium node is maintained in the synthesis of Rh2 -L1 and Rh2 -L2. Both coordination polymers exhibit excellent catalytic performance in the asymmetric cyclopropanation reaction between styrene and diazooxindole. The catalysts can be easily recycled and reused without significant reduction in their catalytic efficiency.
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Affiliation(s)
- Zhenzhong Li
- Technical University of Darmstadt, Institute of Inorganic and Physical Chemistry, Alarich-Weiss-Straße 8, 64287, Darmstadt, Germany
| | - Lorenz Rösler
- Technical University of Darmstadt, Institute of Inorganic and Physical Chemistry, Alarich-Weiss-Straße 8, 64287, Darmstadt, Germany
| | - Kevin Herr
- Technical University of Darmstadt, Institute of Inorganic and Physical Chemistry, Alarich-Weiss-Straße 8, 64287, Darmstadt, Germany
| | - Martin Brodrecht
- Technical University of Darmstadt, Institute of Inorganic and Physical Chemistry, Alarich-Weiss-Straße 8, 64287, Darmstadt, Germany
| | - Hergen Breitzke
- Technical University of Darmstadt, Institute of Inorganic and Physical Chemistry, Alarich-Weiss-Straße 8, 64287, Darmstadt, Germany
| | - Kathrin Hofmann
- Technical University of Darmstadt, Institute of Inorganic and Physical Chemistry, Alarich-Weiss-Straße 8, 64287, Darmstadt, Germany
| | - Hans-Heinrich Limbach
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustraße 3, 14195, Berlin, Germany
| | - Torsten Gutmann
- Technical University of Darmstadt, Institute of Inorganic and Physical Chemistry, Alarich-Weiss-Straße 8, 64287, Darmstadt, Germany.,University Kassel, Institute of Chemistry and Center for Interdisciplinary Nanostructure Science and Technology, Heinrich-Plett-Straße 40, D-34132, Kassel, Germany
| | - Gerd Buntkowsky
- Technical University of Darmstadt, Institute of Inorganic and Physical Chemistry, Alarich-Weiss-Straße 8, 64287, Darmstadt, Germany
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19
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Gage JR, Chen F, Dong C, Gonzalez MA, Jiang Y, Luo Y, McLaws MD, Tao J. Semicontinuous Process for GMP Manufacture of a Carbapenem Intermediate via Carbene Insertion Using an Immobilized Rhodium Catalyst. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00133] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- James R. Gage
- Asymchem Inc., 600 Airport Boulevard, Suite 1000, Morrisville, North Carolina 27516, United States
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457 P. R. China
| | - Furong Chen
- Asymchem Inc., 600 Airport Boulevard, Suite 1000, Morrisville, North Carolina 27516, United States
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457 P. R. China
| | - Changming Dong
- Asymchem Inc., 600 Airport Boulevard, Suite 1000, Morrisville, North Carolina 27516, United States
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457 P. R. China
| | - Miguel A. Gonzalez
- Asymchem Inc., 600 Airport Boulevard, Suite 1000, Morrisville, North Carolina 27516, United States
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457 P. R. China
| | - Yong Jiang
- Asymchem Inc., 600 Airport Boulevard, Suite 1000, Morrisville, North Carolina 27516, United States
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457 P. R. China
| | - Yong Luo
- Asymchem Inc., 600 Airport Boulevard, Suite 1000, Morrisville, North Carolina 27516, United States
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457 P. R. China
| | - Mark D. McLaws
- Asymchem Inc., 600 Airport Boulevard, Suite 1000, Morrisville, North Carolina 27516, United States
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457 P. R. China
| | - Jian Tao
- Asymchem Inc., 600 Airport Boulevard, Suite 1000, Morrisville, North Carolina 27516, United States
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457 P. R. China
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20
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Caló FP, Fürstner A. A Heteroleptic Dirhodium Catalyst for Asymmetric Cyclopropanation with α‐Stannyl α‐Diazoacetate. “Stereoretentive” Stille Coupling with Formation of Chiral Quarternary Carbon Centers. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004377] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Fabio P. Caló
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
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21
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Caló FP, Fürstner A. A Heteroleptic Dirhodium Catalyst for Asymmetric Cyclopropanation with α-Stannyl α-Diazoacetate. "Stereoretentive" Stille Coupling with Formation of Chiral Quarternary Carbon Centers. Angew Chem Int Ed Engl 2020; 59:13900-13907. [PMID: 32426901 PMCID: PMC7496581 DOI: 10.1002/anie.202004377] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/18/2020] [Indexed: 01/06/2023]
Abstract
The heteroleptic dirhodium paddlewheel catalyst 7 with a chiral carboxylate/acetamidate ligand sphere is uniquely effective in asymmetric [2+1] cycloadditions with α‐diazo‐α‐trimethylstannyl (silyl, germyl) acetate. Originally discovered as a trace impurity in a sample of the homoleptic parent complex [Rh2((R)‐TPCP)4] (5), it is shown that the protic acetamidate ligand is quintessential for rendering 7 highly enantioselective. The ‐NH group is thought to lock the ensuing metal carbene in place via interligand hydrogen bonding. The resulting stannylated cyclopropanes undergo “stereoretentive” cross coupling, which shows for the first time that even chiral quarternary carbon centers can be made by the Stille–Migita reaction.
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Affiliation(s)
- Fabio P Caló
- Max-Planck-Institut für Kohlenforschung, 45470, Mülheim/Ruhr, Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung, 45470, Mülheim/Ruhr, Germany
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22
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Wei B, Sharland JC, Lin P, Wilkerson-Hill SM, Fullilove FA, McKinnon S, Blackmond DG, Davies HML. In Situ Kinetic Studies of Rh(II)-Catalyzed Asymmetric Cyclopropanation with Low Catalyst Loadings. ACS Catal 2019. [DOI: 10.1021/acscatal.9b04595] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Bo Wei
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Jack C. Sharland
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Patricia Lin
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Sidney M. Wilkerson-Hill
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Felicia A. Fullilove
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Sam McKinnon
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Donna G. Blackmond
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Huw M. L. Davies
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
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23
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Zhang X, Cao WB, Li HY, Xu XP, Ji SJ. Synthesis of Polysubstituted Maleimides via Metal-Free Cascade Reaction of Isocyanides and α-Diazoketones. J Org Chem 2019; 84:16237-16244. [DOI: 10.1021/acs.joc.9b02830] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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24
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Zhao Q, Miura T, Murakami M. Cyclization Reaction of 4-Acyl-1-sulfonyl-1,2,3-triazoles Possessing Phenyl Rings through Generation of Electron-deficient Carbenoids. CHEM LETT 2019. [DOI: 10.1246/cl.190074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Qiang Zhao
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Tomoya Miura
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
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25
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Anada M, Hashimoto S. Asymmetric Hetero-Diels-Alder Reactions Catalyzed by Chiral Dirhodium(II) Complexes. J SYN ORG CHEM JPN 2019. [DOI: 10.5059/yukigoseikyokaishi.77.553] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Masahiro Anada
- Faculty of Pharmacy, Musashino University
- Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Shunichi Hashimoto
- Faculty of Pharmaceutical Sciences, Hokkaido University
- Research Organization of Science and Technology, Ritsumeikan University
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26
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Levchenko V, Sundsli B, Øien-Ødegaard S, Tilset M, Hansen FK, Bonge-Hansen T. Bottom-Up Synthesis of Acrylic and Styrylic RhII
Carboxylate Polymer Beads: Solid-Supported Analogs of Rh2
(OAc)4. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800953] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Vladimir Levchenko
- Department of Chemistry; University of Oslo; P.O. Box 1033, Blindern NO-0315 Oslo Norway
| | - Bård Sundsli
- Department of Chemistry; University of Oslo; P.O. Box 1033, Blindern NO-0315 Oslo Norway
| | - Sigurd Øien-Ødegaard
- Department of Chemistry; University of Oslo; P.O. Box 1033, Blindern NO-0315 Oslo Norway
| | - Mats Tilset
- Department of Chemistry; University of Oslo; P.O. Box 1033, Blindern NO-0315 Oslo Norway
| | - Finn K. Hansen
- Department of Chemistry; University of Oslo; P.O. Box 1033, Blindern NO-0315 Oslo Norway
| | - Tore Bonge-Hansen
- Department of Chemistry; University of Oslo; P.O. Box 1033, Blindern NO-0315 Oslo Norway
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27
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Yoo C, Rackl D, Liu W, Hoyt CB, Pimentel B, Lively RP, Davies HML, Jones CW. An Immobilized‐Dirhodium Hollow‐Fiber Flow Reactor for Scalable and Sustainable C−H Functionalization in Continuous Flow. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805528] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Chun‐Jae Yoo
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Daniel Rackl
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Wenbin Liu
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Caroline B. Hoyt
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Brian Pimentel
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Ryan P. Lively
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Huw M. L. Davies
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Christopher W. Jones
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
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28
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Yoo C, Rackl D, Liu W, Hoyt CB, Pimentel B, Lively RP, Davies HML, Jones CW. An Immobilized‐Dirhodium Hollow‐Fiber Flow Reactor for Scalable and Sustainable C−H Functionalization in Continuous Flow. Angew Chem Int Ed Engl 2018; 57:10923-10927. [DOI: 10.1002/anie.201805528] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 06/18/2018] [Indexed: 01/07/2023]
Affiliation(s)
- Chun‐Jae Yoo
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Daniel Rackl
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Wenbin Liu
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Caroline B. Hoyt
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Brian Pimentel
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Ryan P. Lively
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
| | - Huw M. L. Davies
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Christopher W. Jones
- School of Chemical & Biomolecular Engineering Department Georgia Institute of Technology 311 Ferst Drive NW Atlanta GA 30332 USA
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29
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Feng W, Yang H, Wang Z, Gou BB, Chen J, Zhou L. Enantioselective [3 + 2] Formal Cycloaddition of 1-Styrylnaphthols with Quinones Catalyzed by a Chiral Phosphoric Acid. Org Lett 2018; 20:2929-2933. [DOI: 10.1021/acs.orglett.8b00988] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Wang Feng
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Hui Yang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Zhe Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Bo-Bo Gou
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Jie Chen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Ling Zhou
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
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30
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Liu J, Xu Y, Groszewicz PB, Brodrecht M, Fasel C, Hofmann K, Tan X, Gutmann T, Buntkowsky G. Novel dirhodium coordination polymers: the impact of side chains on cyclopropanation. Catal Sci Technol 2018. [DOI: 10.1039/c8cy01493k] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Seven novel dirhodium coordination polymers (Rh2–Ln) (n = 1–7) are prepared by employing bitopic ligands to connect dirhodium nodes.
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Affiliation(s)
- Jiquan Liu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry
- College of Chemistry and Materials Science
- Northwest University
- 710127 Xi'an
- P. R. China
| | - Yeping Xu
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- 64287 Darmstadt
- Germany
| | - Pedro B. Groszewicz
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- 64287 Darmstadt
- Germany
| | - Martin Brodrecht
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- 64287 Darmstadt
- Germany
| | - Claudia Fasel
- FB Material- und Geowissenschaften
- Technical University Darmstadt
- 64287 Darmstadt
- Germany
| | - Kathrin Hofmann
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- 64287 Darmstadt
- Germany
| | - Xijuan Tan
- Laboratory of Mineralization and Dynamics
- College of Earth Sciences and Land Resources
- Chang'an University
- 710054 Xi'an
- P. R. China
| | - Torsten Gutmann
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- 64287 Darmstadt
- Germany
| | - Gerd Buntkowsky
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- 64287 Darmstadt
- Germany
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31
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Liu G, Wang Y, Zhu B, Zhang L, Su CY. A porous metal–organic aerogel based on dirhodium paddle-wheels as an efficient and stable heterogeneous catalyst towards the reduction reaction of aldehydes and ketones. NEW J CHEM 2018. [DOI: 10.1039/c8nj01784k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new mesoporous metal–organic aerogel based on dirhodium paddle-wheels has been successfully synthesized and applied in the hydrosilylation reaction of aldehydes and ketones.
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Affiliation(s)
- Gang Liu
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
| | - Yanhu Wang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
| | - Baofu Zhu
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
| | - Li Zhang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
| | - Cheng-Yong Su
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
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32
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Arif T, Borie C, Jean M, Vanthuyne N, Bertrand MP, Siri D, Nechab M. Organocopper triggered cyclization of conjugated dienynes via tandem SN2′/Alder-ene reaction. Org Chem Front 2018. [DOI: 10.1039/c7qo00288b] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Propargylic carbonates were converted to indenes through a SN2′/Alder-ene cascade triggered by organocopper reagents.
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Affiliation(s)
| | | | - Marion Jean
- Aix-Marseille Univ
- Centrale Marseille
- CNRS
- iSm2
- Marseille
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33
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Altava B, Burguete MI, García-Verdugo E, Luis SV. Chiral catalysts immobilized on achiral polymers: effect of the polymer support on the performance of the catalyst. Chem Soc Rev 2018; 47:2722-2771. [DOI: 10.1039/c7cs00734e] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Achiral polymeric supports can have important positive effects on the activity, stability and selectivity of supported chiral catalysts.
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Affiliation(s)
- Belén Altava
- Department of Inorganic and Organic Chemistry
- University Jaume I
- Castellón
- Spain
| | - M. Isabel Burguete
- Department of Inorganic and Organic Chemistry
- University Jaume I
- Castellón
- Spain
| | | | - Santiago V. Luis
- Department of Inorganic and Organic Chemistry
- University Jaume I
- Castellón
- Spain
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34
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35
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Mouysset D, Tessonnier C, Tintaru A, Dumur F, Jean M, Vanthuyne N, Bertrand MP, Siri D, Nechab M. Chiral Fidelity in the Diastereoselective and Enantiospecific Synthesis of Indenes from Axially Chiral Benzylidene Cyclanes. Chemistry 2017; 23:8375-8379. [DOI: 10.1002/chem.201701501] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Indexed: 12/21/2022]
Affiliation(s)
| | | | | | | | - Marion Jean
- Aix Marseille Univ, Centrale Marseille, CNRS, Centrale Marseille, iSm2; Marseille France
| | - Nicolas Vanthuyne
- Aix Marseille Univ, Centrale Marseille, CNRS, Centrale Marseille, iSm2; Marseille France
| | | | - Didier Siri
- Aix Marseille Univ, CNRS, ICR; Marseille France
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36
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Larionov VA, Cruchter T, Mietke T, Meggers E. Polymer-Supported Chiral-at-Metal Lewis Acid Catalysts. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00016] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vladimir A. Larionov
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043 Marburg, Germany
| | - Thomas Cruchter
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043 Marburg, Germany
| | - Thomas Mietke
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043 Marburg, Germany
| | - Eric Meggers
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35043 Marburg, Germany
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37
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Sharma P, Sharma RK. Platinum functionalized Chiral Polyamides: Efficient Heterogeneous Catalyst for Solvent Free Asymmetric Hydrogenation of Ethyl 2-oxo-4-phenylbutanoate. ChemistrySelect 2017. [DOI: 10.1002/slct.201601538] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Poonam Sharma
- Department of Chemistry; Indian Institute of Technology Jodhpur; Rajasthan 342011 India
| | - Rakesh K. Sharma
- Department of Chemistry; Indian Institute of Technology Jodhpur; Rajasthan 342011 India
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38
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Enantio-and diastereoselective desymmetrization of α-alkyl-α-diazoesters by dirhodium(II)-catalyzed intramolecular C–H insertion. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.05.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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39
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Jumde RP, Mandoli A. Long-Lived Polymer-Supported Dimeric Cinchona Alkaloid Organocatalyst in the Asymmetric α-Amination of 2-Oxindoles. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01141] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Ravindra P. Jumde
- Dipartimento
di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi
13, 56124 Pisa, Italy
- ISTM-CNR, Via C. Golgi
19, 20133 Milano, Italy
| | - Alessandro Mandoli
- Dipartimento
di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi
13, 56124 Pisa, Italy
- ISTM-CNR, Via C. Golgi
19, 20133 Milano, Italy
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40
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Santiago JV, Machado AHL. Enantioselective carbenoid insertion into C(sp(3))-H bonds. Beilstein J Org Chem 2016; 12:882-902. [PMID: 27340479 PMCID: PMC4902057 DOI: 10.3762/bjoc.12.87] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 04/09/2016] [Indexed: 12/03/2022] Open
Abstract
The enantioselective carbenoid insertion into C(sp(3))-H bonds is an important tool for the synthesis of complex molecules due to the high control of enantioselectivity in the formation of stereogenic centers. This paper presents a brief review of the early issues, related mechanistic studies and recent applications on this chemistry area.
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Affiliation(s)
- J V Santiago
- Grupo de Tecnologia em Síntese Orgânica, Instituto de Química, Universidade de Brasília, Campus Universitário Darcy Ribeiro, 4478, CEP 70904-970, Asa Norte, Brasília-DF, Brasil
| | - A H L Machado
- Grupo de Tecnologia em Síntese Orgânica, Instituto de Química, Universidade de Brasília, Campus Universitário Darcy Ribeiro, 4478, CEP 70904-970, Asa Norte, Brasília-DF, Brasil
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41
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Adly FG, Ghanem A. Polymer monolith-supported dirhodium(II)-catalyzed continuous flow cyclopropanation in capillary format †. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.01.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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42
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DeAngelis A, Panish R, Fox JM. Rh-Catalyzed Intermolecular Reactions of α-Alkyl-α-Diazo Carbonyl Compounds with Selectivity over β-Hydride Migration. Acc Chem Res 2016; 49:115-27. [PMID: 26689221 DOI: 10.1021/acs.accounts.5b00425] [Citation(s) in RCA: 126] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Rh-carbenes derived from α-diazocarbonyl compounds have found broad utility across a remarkable range of reactivity, including cyclopropanation, cyclopropenation, C-H insertions, heteroatom-hydrogen insertions, and ylide forming reactions. However, in contrast to α-aryl or α-vinyl-α-diazocarbonyl compounds, the utility of α-alkyl-α-diazocarbonyl compounds had been moderated by the propensity of such compounds to undergo intramolecular β-hydride migration to give alkene products. Especially challenging had been intermolecular reactions involving α-alkyl-α-diazocarbonyl compounds. This Account discusses the historical context and prior limitations of Rh-catalyzed reactions involving α-alkyl-α-diazocarbonyl compounds. Early studies demonstrated that ligand and temperature effects could influence chemoselectivity over β-hydride migration. However, effects were modest and conflicting conclusions had been drawn about the influence of sterically demanding ligands on β-hydride migration. More recent advances have led to a more detailed understanding of the reaction conditions that can promote intermolecular reactivity in preference to β-hydride migration. In particular, the use of bulky carboxylate ligands and low reaction temperatures have been key to enabling intermolecular cyclopropenation, cyclopropanation, carbonyl ylide formation/dipolar cycloaddition, indole C-H functionalization, and intramolecular bicyclobutanation with high chemoselectivity over β-hydride migration. Cyclic α-diazocarbonyl compounds have been shown to be particularly resilient toward β-hydride migration and are the first class of compounds that can engage in intermolecular reactivity in the presence of tertiary β-hydrogens. DFT calculations were used to propose that for cyclic α-diazocarbonyl compounds, ring constraints relieve steric interaction for intermolecular reactions and thereby accelerate the rate of intermolecular reactivity relative to intramolecular β-hydride migration. Enantioselective reactions of α-alkyl-α-diazocarbonyl compounds have been developed using bimetallic N-imido-tert-leucinate-derived complexes. The most effective complexes were found by computation and X-ray crystallography to adopt a "chiral crown" conformation in which all of the imido groups are presented on one face of the paddlewheel complex in a chiral arrangement. Insight from computational studies guided the design and synthesis of a mixed ligand paddlewheel complex, Rh2(S-PTTL)3TPA, the structure of which bears similarity to the chiral crown complex Rh2(S-PTTL)4. Rh2(S-PTTL)3TPA engages substrate classes (aliphatic alkynes, silylacetylenes, α-olefins) that are especially challenging in intermolecular reactions of α-alkyl-α-diazoesters and catalyzes enantioselective cyclopropanation, cyclopropenation, and indole C-H functionalization with yields and enantioselectivities that are comparable or superior to Rh2(S-PTTL)4. The work detailed in this Account describes progress toward enabling a more general utility for α-alkyl-α-diazo compounds in Rh-catalyzed carbene reactions. Further studies on ligand design and synthesis will continue to broaden the scope of their selective reactions.
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Affiliation(s)
- Andrew DeAngelis
- DuPont
Crop Protection, Stine-Haskell Research Center, Newark, Delaware 19711, United States
| | - Robert Panish
- Brown
Laboratories, Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Joseph M. Fox
- Brown
Laboratories, Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
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43
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Zhu B, Liu G, Chen L, Qiu L, Chen L, Zhang J, Zhang L, Barboiu M, Si R, Su CY. Metal–organic aerogels based on dinuclear rhodium paddle-wheel units: design, synthesis and catalysis. Inorg Chem Front 2016. [DOI: 10.1039/c5qi00272a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A metal–organic aerogel (MOA-Rh-1d) with Rh2+–Rh2+ bonds has been obtained, which can efficiently promote CO2 conversion and C–H amination reactions.
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44
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Liu J, Fasel C, Braga-Groszewicz P, Rothermel N, Lilly Thankamony AS, Sauer G, Xu Y, Gutmann T, Buntkowsky G. Heterogeneous self-supported dirhodium(ii) catalysts with high catalytic efficiency in cyclopropanation – a structural study. Catal Sci Technol 2016. [DOI: 10.1039/c6cy00915h] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Catalytically active dirhodium sheet-like coordination polymers are synthesized from their precursors via ligand exchange.
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Affiliation(s)
- Jiquan Liu
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- D-64287 Darmstadt
- Germany
| | - Claudia Fasel
- FB Material- und Geowissenschaften
- Technical University Darmstadt
- 64287 Darmstadt
- Germany
| | - Pedro Braga-Groszewicz
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- D-64287 Darmstadt
- Germany
| | - Niels Rothermel
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- D-64287 Darmstadt
- Germany
| | - Aany Sofia Lilly Thankamony
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- D-64287 Darmstadt
- Germany
| | - Grit Sauer
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- D-64287 Darmstadt
- Germany
| | - Yeping Xu
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- D-64287 Darmstadt
- Germany
| | - Torsten Gutmann
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- D-64287 Darmstadt
- Germany
| | - Gerd Buntkowsky
- Eduard-Zintl-Institute for Inorganic Chemistry and Physical Chemistry
- Technical University Darmstadt
- D-64287 Darmstadt
- Germany
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45
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Fischer C, Thede R, Baumann W, Drexler HJ, König A, Heller D. Investigations into Metal Leaching from Polystyrene-Supported Rhodium Catalysts. ChemCatChem 2016. [DOI: 10.1002/cctc.201500773] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Christian Fischer
- Universität Greifswald; Institut für Biochemie; Felix-Hausdorff-Straße 4 17489 Greifswald Germany
| | - Richard Thede
- Universität Greifswald; Institut für Biochemie; Felix-Hausdorff-Straße 4 17489 Greifswald Germany
| | - Wolfgang Baumann
- Leibniz-Institut für Katalyse e.V.; Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Hans-Joachim Drexler
- Leibniz-Institut für Katalyse e.V.; Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Anja König
- Leibniz-Institut für Katalyse e.V.; Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Detlef Heller
- Leibniz-Institut für Katalyse e.V.; Albert-Einstein-Straße 29a 18059 Rostock Germany
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46
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Ford A, Miel H, Ring A, Slattery CN, Maguire AR, McKervey MA. Modern Organic Synthesis with α-Diazocarbonyl Compounds. Chem Rev 2015; 115:9981-10080. [PMID: 26284754 DOI: 10.1021/acs.chemrev.5b00121] [Citation(s) in RCA: 1093] [Impact Index Per Article: 121.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Hugues Miel
- Almac Discovery Ltd. , David Keir Building, Stranmillis Road, Belfast BT9 5AG, United Kingdom
| | | | | | | | - M Anthony McKervey
- Almac Sciences Ltd. , Almac House, 20 Seagoe Industrial Estate, Craigavon BT63 5QD, United Kingdom
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47
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Liu J, Plog A, Groszewicz P, Zhao L, Xu Y, Breitzke H, Stark A, Hoffmann R, Gutmann T, Zhang K, Buntkowsky G. Design of a Heterogeneous Catalyst Based on Cellulose Nanocrystals for Cyclopropanation: Synthesis and Solid-State NMR Characterization. Chemistry 2015; 21:12414-20. [DOI: 10.1002/chem.201501151] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Indexed: 11/10/2022]
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48
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Natori Y, Ito M, Anada M, Nambu H, Hashimoto S. Catalytic asymmetric synthesis of (−)-E-δ-viniferin via an intramolecular C–H insertion of diaryldiazomethane using Rh2(S-TFPTTL)4. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.05.072] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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49
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Ito M, Kondo Y, Nambu H, Anada M, Takeda K, Hashimoto S. Diastereo- and enantioselective intramolecular 1,6-C–H insertion reactions of α-diazo esters catalyzed by chiral dirhodium(II) carboxylates. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.01.125] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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50
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Cui X, Xu X, Jin LM, Wojtas L, Zhang XP. Stereoselective Radical C-H Alkylation with Acceptor/Acceptor-Substituted Diazo Reagents via Co(II)-Based Metalloradical Catalysis. Chem Sci 2015; 6:1219-1224. [PMID: 25685314 PMCID: PMC4324598 DOI: 10.1039/c4sc02610a] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Accepted: 11/12/2014] [Indexed: 11/21/2022] Open
Abstract
Co(II)-based metalloradical catalysis has been, for the first time, successfully applied for asymmetric intramolecular C-H alkylation of acceptor/acceptor-substituted diazo reagents. Through the design and synthesis of a new D2-symmetric chiral amidoporphyrin as the supporting ligand, the Co(II)-based metalloradical system, which operates at room temperature, is capable of 1,5-C-H alkylation of α-methoxycarbonyl-α-diazosulfones with a broad range of electronic properties, providing the 5-membered sulfolane derivatives in high yields with excellent diastereoselectivity and enantioselectivity. In addition to complete chemoselectivity toward allylic and allenic C-H bonds, the Co(II)-based metalloradical catalysis for asymmetric C-H alkylation features a remarkable degree of functional group tolerance.
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Affiliation(s)
- Xin Cui
- Department of Chemistry , University of South Florida Tampa , FL 33620-5250 , USA . ; Fax: +1 813-974-1733 ; Tel: +1 813-974-7249
| | - Xue Xu
- Department of Chemistry , University of South Florida Tampa , FL 33620-5250 , USA . ; Fax: +1 813-974-1733 ; Tel: +1 813-974-7249
| | - Li-Mei Jin
- Department of Chemistry , University of South Florida Tampa , FL 33620-5250 , USA . ; Fax: +1 813-974-1733 ; Tel: +1 813-974-7249
| | - Lukasz Wojtas
- Department of Chemistry , University of South Florida Tampa , FL 33620-5250 , USA . ; Fax: +1 813-974-1733 ; Tel: +1 813-974-7249
| | - X. Peter Zhang
- Department of Chemistry , University of South Florida Tampa , FL 33620-5250 , USA . ; Fax: +1 813-974-1733 ; Tel: +1 813-974-7249
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