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Luo J, Montag M, Milstein D. Metal-Ligand Cooperation with Thiols as Transient Cooperative Ligands: Acceleration and Inhibition Effects in (De)Hydrogenation Reactions. Acc Chem Res 2024; 57:1709-1721. [PMID: 38833580 PMCID: PMC11191399 DOI: 10.1021/acs.accounts.4c00198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/13/2024] [Accepted: 05/15/2024] [Indexed: 06/06/2024]
Abstract
ConspectusOver the past two decades, we have developed a series of pincer-type transition metal complexes capable of activating strong covalent bonds through a mode of reactivity known as metal-ligand cooperation (MLC). In such systems, an incoming substrate molecule simultaneously interacts with both the metal center and ligand backbone, with one part of the molecule reacting at the metal center and another part at the ligand. The majority of these complexes feature pincer ligands with a pyridine core, and undergo MLC through reversible dearomatization/aromatization of this pyridine moiety. This MLC platform has enabled us to perform a variety of catalytic dehydrogenation, hydrogenation, and related reactions, with high efficiency and selectivity under relatively mild conditions.In a typical catalytic complex that operates through MLC, the cooperative ligand remains coordinated to the metal center throughout the entire catalytic process, and this complex is the only catalytic species involved in the reaction. As part of our ongoing efforts to develop new catalytic systems featuring MLC, we have recently introduced the concept of transient cooperative ligand (TCL), i.e., a ligand that is capable of MLC when coordinated to a metal center, but the coordination of which is reversible rather than permanent. We have thus far employed thiol(ate)s as TCLs, in conjunction with an acridanide-based ruthenium(II)-pincer catalyst, and this has resulted in remarkable acceleration and inhibition effects in various hydrogenation and dehydrogenation reactions. A cooperative thiol(ate) ligand can be installed in situ by the simple addition of an appropriate thiol in an amount equivalent to the catalyst, and this has been repeatedly shown to enable efficient bond activation by MLC without the need for other additives, such as base. The use of an ancillary thiol ligand that is not fixed to the pincer backbone allows the catalytic system to benefit from a high degree of tunability, easily implemented by varying the added thiol. Importantly, thiols are coordinatively labile enough under typical catalytic conditions to leave a meaningful portion of the catalyst in its original unsaturated form, thereby allowing it to carry out its own characteristic catalytic activity. This generates two coexisting catalyst populations─one that contains a thiol(ate) ligand and another that does not─and this may lead to different catalytic outcomes, namely, enhancement of the original catalytic activity, inhibition of this activity, or the occurrence of diverging reactivities within the same catalytic reaction mixture. These thiol effects have enabled us to achieve a series of unique transformations, such as thiol-accelerated base-free aqueous methanol reforming, controlled stereodivergent semihydrogenation of alkynes using thiol as a reversible catalyst inhibitor, and hydrogenative perdeuteration of C═C bonds without using D2, enabled by a combination of thiol-induced acceleration and inhibition. We have also successfully realized the unprecedented formation of thioesters through dehydrogenative coupling of alcohols and thiols, as well as the hydrogenation of organosulfur compounds, wherein the cooperative thiol serves as a reactant or product. In this Account, we present an overview of the TCL concept and its various applications using thiols.
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Affiliation(s)
- Jie Luo
- Department of Molecular Chemistry
and Materials Science, Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Michael Montag
- Department of Molecular Chemistry
and Materials Science, Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - David Milstein
- Department of Molecular Chemistry
and Materials Science, Weizmann Institute
of Science, Rehovot 7610001, Israel
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2
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Sk M, Haldar S, Bera S, Banerjee D. Recent advances in the selective semi-hydrogenation of alkyne to ( E)-olefins. Chem Commun (Camb) 2024; 60:1517-1533. [PMID: 38251772 DOI: 10.1039/d3cc05395d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Considering the potential importance and upsurge in demand, the selective semi-hydrogenation of alkynes to (E)-olefins has attracted significant interest. This article highlights the recent advances in newer technologies and important methodologies directed to (E)-olefins from alkynes developed from 2015 to 2023. Notable features summarised include the catalyst or ligand design and control of product selectivity based on precious and nonprecious metal catalysts for semi-hydrogenation to (E)-olefins. Mechanistic studies for various catalytic transformations, including synthetic application to bioactive compounds, are summarised.
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Affiliation(s)
- Motahar Sk
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Shuvojit Haldar
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Sourajit Bera
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Debasis Banerjee
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
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3
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Gutiérrez-Blanco M, Algarra AG, Guillamón E, Fernández-Trujillo MJ, Oliva M, Basallote MG, Llusar R, Safont VS. Spin-Crossing in the ( Z)-Selective Alkyne Semihydrogenation Mechanism Catalyzed by Mo 3S 4 Clusters: A Density Functional Theory Exploration. Inorg Chem 2024; 63:1000-1009. [PMID: 38173271 DOI: 10.1021/acs.inorgchem.3c03057] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Semihydrogenation of internal alkynes catalyzed by the air-stable imidazolyl amino [Mo3S4Cl3(ImNH2)3]+ cluster selectively affords the (Z)-alkene under soft conditions in excellent yields. Experimental results suggest a sulfur-based mechanism with the formation of a dithiolene adduct through interaction of the alkyne with the bridging sulfur atoms. However, computational studies indicate that this mechanism is unable to explain the experimental outcome: mild reaction conditions, excellent selectivity toward the (Z)-isomer, and complete deuteration of the vinylic positions in the presence of CD3OD and CH3OD. An alternative mechanism that explains the experimental results is proposed. The reaction begins with the hydrogenation of two of the Mo3(μ3-S)(μ-S)3 bridging sulfurs to yield a bis(hydrosulfide) intermediate that performs two sequential hydrogen atom transfers (HAT) from the S-H groups to the alkyne. The first HAT occurs with a spin change from singlet to triplet. After the second HAT, the singlet state is recovered. Although the dithiolene adduct is more stable than the hydrosulfide species, the large energy required for the subsequent H2 addition makes the system evolve via the second alternative pathway to selectively render the (Z)-alkene with a lower overall activation barrier.
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Affiliation(s)
- María Gutiérrez-Blanco
- Departament de Química Física i Analítica, Universitat Jaume I, Av. Sos Baynat s/n, Castelló 12071, Spain
| | - Andrés G Algarra
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Instituto de Biomoléculas (INBIO), Facultad de Ciencias, Universidad de Cádiz, Apartado 40, Puerto Real, Cádiz 11510, Spain
| | - Eva Guillamón
- Departament de Química Física i Analítica, Universitat Jaume I, Av. Sos Baynat s/n, Castelló 12071, Spain
| | - M Jesús Fernández-Trujillo
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Instituto de Biomoléculas (INBIO), Facultad de Ciencias, Universidad de Cádiz, Apartado 40, Puerto Real, Cádiz 11510, Spain
| | - Mónica Oliva
- Departament de Química Física i Analítica, Universitat Jaume I, Av. Sos Baynat s/n, Castelló 12071, Spain
| | - Manuel G Basallote
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Instituto de Biomoléculas (INBIO), Facultad de Ciencias, Universidad de Cádiz, Apartado 40, Puerto Real, Cádiz 11510, Spain
| | - Rosa Llusar
- Departament de Química Física i Analítica, Universitat Jaume I, Av. Sos Baynat s/n, Castelló 12071, Spain
| | - Vicent S Safont
- Departament de Química Física i Analítica, Universitat Jaume I, Av. Sos Baynat s/n, Castelló 12071, Spain
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4
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Czaikowski ME, Anferov SW, Tascher AP, Anderson JS. Electrocatalytic Semihydrogenation of Terminal Alkynes Using Ligand-Based Transfer of Protons and Electrons. J Am Chem Soc 2024; 146:476-486. [PMID: 38163759 DOI: 10.1021/jacs.3c09885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Alkyne semihydrogenation is a broadly important transformation in chemical synthesis. Here, we introduce an electrochemical method for the selective semihydrogenation of terminal alkynes using a dihydrazonopyrrole Ni complex capable of storing an H2 equivalent (2H+ + 2e-) on the ligand backbone. This method is chemoselective for the semihydrogenation of terminal alkynes over internal alkynes or alkenes. Mechanistic studies reveal that the transformation is concerted and Z-selective. Calculations support a ligand-based hydrogen-atom transfer pathway instead of a hydride mechanism, which is commonly invoked for transition metal hydrogenation catalysts. The synthesis of the proposed intermediates demonstrates that the catalytic mechanism proceeds through a reduced formal Ni(I) species. The high yields for terminal alkene products without over-reduction or oligomerization are among the best reported for any homogeneous catalyst. Furthermore, the metal-ligand cooperative hydrogen transfer enabled with this system directs the efficient flow of H atom equivalents toward alkyne reduction rather than hydrogen evolution, providing a blueprint for applying similar strategies toward a wide range of electroreductive transformations.
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Affiliation(s)
- Maia E Czaikowski
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Sophie W Anferov
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Alex P Tascher
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - John S Anderson
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
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5
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Paixão DB, Soares EGO, Silva CDG, Peglow TJ, Rampon DS, Schneider PH. CS 2/KOH System-Promoted Stereoselective Synthesis of ( E)-Alkenes from Diarylalkynes and a "Hidden" Zinin-Type Reduction of Nitroarenes into Arylamines. J Org Chem 2023. [PMID: 38010206 DOI: 10.1021/acs.joc.3c01949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
In this work, we present the CS2/KOH system as a practical and efficient reductive medium for obtaining (E)-alkenes from alkynes through a highly stereoselective semireduction reaction. This cost-effective system enabled successful semireduction reactions of diverse alkynes using water as a hydrogen source, yielding moderate to excellent yields. The versatility of this protocol is further demonstrated through the synthesis of relevant compounds such as pinosylvin and resveratrol precursors, along with the notable anticancer agent DMU-212. Furthermore, during the reaction scope investigation, we serendipitously disclosed that this reductive system was also able to promote a Zinin-type reaction to reduce nitroarenes into arylamines.
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Affiliation(s)
- Douglas B Paixão
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal do Rio Grande do Sul (UFRGS), P.O. Box 15003, 91501-970 Porto Alegre, RS, Brazil
| | - Eduardo G O Soares
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal do Rio Grande do Sul (UFRGS), P.O. Box 15003, 91501-970 Porto Alegre, RS, Brazil
| | - Caren D G Silva
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal do Rio Grande do Sul (UFRGS), P.O. Box 15003, 91501-970 Porto Alegre, RS, Brazil
| | - Thiago J Peglow
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal do Rio Grande do Sul (UFRGS), P.O. Box 15003, 91501-970 Porto Alegre, RS, Brazil
| | - Daniel S Rampon
- Laboratório de Polímeros e Catálise (LAPOCA), Departamento de Química, Universidade Federal do Paraná (UFPR), P.O. Box 19061, 81531-990 Curitiba, PR, Brazil
| | - Paulo H Schneider
- Instituto de Química, Departamento de Química Orgânica, Universidade Federal do Rio Grande do Sul (UFRGS), P.O. Box 15003, 91501-970 Porto Alegre, RS, Brazil
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6
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Zhou L, An Y, Ma J, Hao G, Li Z, Chen J, Chou LY. A highly efficient synthetic strategy for de novo NP encapsulation into metal-organic frameworks: enabling further modulated control of catalytic properties. Chem Sci 2023; 14:13126-13133. [PMID: 38023511 PMCID: PMC10664540 DOI: 10.1039/d3sc05179j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
De novo encapsulation is a prevalent method to prepare composite materials where the structure-tunable metal nanoparticles (NPs) are holistically coated with metal-organic frameworks (MOFs). This method has been demonstrated to have promise in various fields but the extensive application of this approach is still challenging. This study proposed, for the first time, leveraging a specific surface-energy-dominated (SED) mechanism to achieve a highly efficient synthetic strategy for de novo NP encapsulation. The generality of this strategy is proved in applying to various MOFs, reaction conditions and the use of capping agents. By applying the strategy, Pd NPs with different morphologies are encapsulated in UiO-67, which is prone to self-assembly without coating, and an interesting enhancement is investigated in the selective semihydrogenation of alkynes on different Pd surfaces. These results demonstrate that the control of surface energy is a feasible method for efficient NP encapsulation which sheds light on the rational design of MOF-based composites for future applications.
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Affiliation(s)
- Li Zhou
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Yuanyuan An
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Jialong Ma
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Guoxiu Hao
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Zhehui Li
- Department of Chemistry Merkert Chemistry, Boston College, Chestnut Hill Massachusetts 02467 USA
| | - Junchen Chen
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Lien-Yang Chou
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
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7
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Tiwari G, Sharma G, Verma R, Gakhad P, Singh AK, Polshettiwar V, Jagirdar BR. Acetylene Semi-Hydrogenation at Room Temperature over Pd-Zn Nanocatalyst. Chemistry 2023; 29:e202301932. [PMID: 37632841 DOI: 10.1002/chem.202301932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 08/20/2023] [Accepted: 08/26/2023] [Indexed: 08/28/2023]
Abstract
A reaction of fundamental and commercial importance is acetylene semi-hydrogenation. Acetylene impurity in the ethylene feedstock used in the polyethylene industry poisons the Ziegler-Natta catalyst which adversely affects the polymer quality. Pd based catalysts are most often employed for converting acetylene into the main reactant, ethylene, however, it often involves a tradeoff between the conversion and the selectivity and generally requires high temperatures. In this work, bimetallic Pd-Zn nanoparticles capped by hexadecylamine (HDA) have been synthesized by co-digestive ripening of Pd and Zn nanoparticles and studied for semi-hydrogenation of acetylene. The catalyst showed a high selectivity of ~85 % towards ethylene with a high ethylene productivity to the tune of ~4341 μmol g-1 min-1 , at room temperature and atmospheric pressure. It also exhibited excellent stability with ethylene selectivity remaining greater than 85 % even after 70 h on stream. To the best of the authors' knowledge, this is the first report of room temperature acetylene semi-hydrogenation, with the catalyst effecting high amount of acetylene conversion to ethylene retaining excellent selectivity and stability among all the reported catalysts thus far. DFT calculations show that the disordered Pd-Zn nanocatalyst prepared by a low temperature route exhibits a change in the d-band center of Pd and Zn which in turn enhances the selectivity towards ethylene. TPD, XPS and a range of catalysis experiments provided in-depth insights into the reaction mechanism, indicating the key role of particle size, surface area, Pd-Zn interactions, and the capping agent.
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Affiliation(s)
- Garima Tiwari
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560 012, India
| | - Gunjan Sharma
- Department of Chemical Sciences, Tata Institute of Fundamental Research, Mumbai, 400 005, India
| | - Rishi Verma
- Department of Chemical Sciences, Tata Institute of Fundamental Research, Mumbai, 400 005, India
| | - Pooja Gakhad
- Materials Research Centre, Indian Institute of Science, Bangalore, 560 012, India
| | - Abhishek Kumar Singh
- Materials Research Centre, Indian Institute of Science, Bangalore, 560 012, India
| | - Vivek Polshettiwar
- Department of Chemical Sciences, Tata Institute of Fundamental Research, Mumbai, 400 005, India
| | - Balaji R Jagirdar
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560 012, India
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8
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Schratzberger H, Stöger B, Veiros LF, Kirchner K. Selective Transfer Semihydrogenation of Alkynes Catalyzed by an Iron PCP Pincer Alkyl Complex. ACS Catal 2023; 13:14012-14022. [PMID: 37942266 PMCID: PMC10629171 DOI: 10.1021/acscatal.3c04156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 09/28/2023] [Indexed: 11/10/2023]
Abstract
Two bench-stable Fe(II) alkyl complexes [Fe(κ3PCP-PCP-iPr)(CO)2(R)] (R = CH2CH2CH3, CH3) were obtained by the treatment of [Fe(κ3PCP-PCP-iPr)(CO)2(H)] with NaNH2 and subsequent addition of CH3CH2CH2Br and CH3I, respectively. The reaction proceeds via the anionic Fe(0) intermediate Na[Fe(κ3PCP-PCP-iPr)(CO)2]. The catalytic performance of both alkyl complexes was investigated for the transfer hydrogenation of terminal and internal alkynes utilizing PhSiH3 and iPrOH as a hydrogen source. Precatalyst activation is initiated by migration of the alkyl ligand to the carbonyl C atom of an adjacent CO ligand. In agreement with previous findings, the rate of alkyl migration follows the order nPr > Me. Accordingly, [Fe(κ3PCP-PCP-iPr)(CO)2(CH2CH2CH3)] is the more active catalyst. The reaction takes place at 25 °C with a catalyst loading of 0.5 mol%. There was no overhydrogenation, and in the case of internal alkynes, exclusively, Z-alkenes are formed. The implemented protocol tolerates a variety of electron-donating and electron-withdrawing functional groups including halides, nitriles, unprotected amines, and heterocycles. Mechanistic investigations including deuterium labeling studies and DFT calculations were undertaken to provide a reasonable reaction mechanism.
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Affiliation(s)
- Heiko Schratzberger
- Institute
of Applied Synthetic Chemistry, TU Wien, Getreidemarkt 9/163-AC, A-1060 Wien, Austria
| | - Berthold Stöger
- X-Ray
Center, TU Wien, Getreidemarkt 9/163, A-1060 Wien, Austria
| | - Luis F. Veiros
- Centro
de
Química Estrutural, Institute of Molecular Sciences, Departamento
de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049 001 Lisboa, Portugal
| | - Karl Kirchner
- Institute
of Applied Synthetic Chemistry, TU Wien, Getreidemarkt 9/163-AC, A-1060 Wien, Austria
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Hu T, Jaber M, Tran G, Bouyssi D, Monteiro N, Amgoune A. Photoinduced NiH Catalysis with Trialkylamines for the Stereodivergent Transfer Semi-Hydrogenation of Alkynes. Chemistry 2023; 29:e202301636. [PMID: 37466982 DOI: 10.1002/chem.202301636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/13/2023] [Accepted: 07/18/2023] [Indexed: 07/20/2023]
Abstract
We report a selectivity-switchable nickel hydride-catalyzed methodology that enables the stereocontrolled semi-reduction of internal alkynes to E- or Z-alkenes under very mild conditions. The proposed transfer semi-hydrogenation process involves the use of a dual nickel/photoredox catalytic system and triethylamine, not only as a sacrificial reductant, but also as a source of hydrogen atoms. Mechanistic studies revealed a pathway involving photo-induced generation of nickel hydride, syn-hydronickelation of alkyne, and alkenylnickel isomerization as key steps. Remarkably, mechanistic experiments indicate that the control of the stereoselectivity is not ensuing from a post-reduction alkene photoisomerization under our conditions. Instead, we demonstrate that the stereoselectivity of the reaction is dependent on the rate of a final protonolysis step which can be tuned by adjusting the pKa of an alcohol additive.
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Affiliation(s)
- Tingjun Hu
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Mohammad Jaber
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Gaël Tran
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Didier Bouyssi
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Nuno Monteiro
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Abderrahmane Amgoune
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
- Institut Universitaire de France (IUF), 1 rue Descartes, 75231, Paris, France
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10
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Hoveyda AH, Qin C, Sui XZ, Liu Q, Li X, Nikbakht A. Taking Olefin Metathesis to the Limit: Stereocontrolled Synthesis of Trisubstituted Alkenes. Acc Chem Res 2023; 56:2426-2446. [PMID: 37643361 DOI: 10.1021/acs.accounts.3c00341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
ConspectusIn this Account, we share the story of the development of catalytic olefin metathesis processes that efficiently deliver a wide range of acyclic and macrocyclic E- or Z-trisubstituted alkenes. The tale starts with us unveiling, in collaboration with Richard Schrock and his team, the blueprint in 2009 for the design of kinetically controlled Z-selective olefin metathesis reactions. This paved the way for the development of Mo-, W-, and Ru-based catalysts and strategies for synthesizing countless linear and macrocyclic Z-olefins. Six years later, in 2015, we found that abundant Z-alkene feedstocks, such as oleic acid, can be directly transformed to high-value and more difficult-to-access alkenes through a cross-metathesis reaction promoted by a Ru-catechothiolate complex that we had developed; the approach, later coined stereoretentive olefin metathesis, was extended to the synthesis of E-alkenes.It was all about disubstituted alkenes until when in 2017 we addressed the challenge of accessing stereodefined Z- and E-trisubstituted alkenes, key to medicine and materials research. These transformations can be most effectively catalyzed by Mo monoaryloxides pyrrolide (MAP) and chloride (MAC) complexes. A central aspect of the advance is the merging of olefin metathesis, which delivered trisubstituted alkenyl fluorides, chlorides, and bromides with cross-coupling. These catalytic and stereoretentive transformations can be used in various combinations, thereby enabling access to assorted Z- or E-trisubstituted alkene. Ensuing work led to the emergence of other transformations involving substrates that can be purchased with high stereoisomeric purity, notably E- and Z-trihalo alkenes. Trisubstituted olefins, Z or E, bearing a chemoselectively and stereoretentively alterable F,Cl-terminus or B(pin),Cl-terminus may, thus, be easily and reliably synthesized. Methods for stereoretentive preparation of other alkenyl bromide regioisomers and α,β-unsaturated carboxylic and thiol esters, nitriles, and acid fluorides followed, along with stereoretentive ring-closing metathesis reactions that afford macrocyclic trisubstituted olefins. Z- and E-Macrocyclic trisubstituted olefins, including those that contain little or no entropic support for cyclization (minimally functionalized) and/or are disfavored under substrate-controlled conditions, can now be synthesized. The utility of this latest chapter in the history of olefin metathesis has been highlighted by applications to the synthesis of several biologically active compounds, as well as their analogues, such as those marked by one or more site-specifically incorporated fluorine atoms or more active but higher energy and otherwise unobtainable conformers.The investigations discussed here, which represent every stereoretentive method that has been reported thus far for preparing a trisubstituted olefin, underscore the inimitable power of Mo-based catalysts. This Account also showcases a variety of mechanistic attributes─some for the first time, and each instrumental in solving a problem. Extensive knowledge of mechanistic nuances will be needed if we are to address successfully the next challenging problem, namely, the development of catalysts and strategies that may be used to synthesize a wide range of tetrasubstituted alkenes, especially those that are readily modifiable, with high stereoisomeric purity.
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Affiliation(s)
- Amir H Hoveyda
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
- Supramolecular Science and Engineering Institute, University of Strasbourg, CNRS, 67000 Strasbourg France
| | - Can Qin
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
- Supramolecular Science and Engineering Institute, University of Strasbourg, CNRS, 67000 Strasbourg France
| | - Xin Zhi Sui
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Qinghe Liu
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Xinghan Li
- Supramolecular Science and Engineering Institute, University of Strasbourg, CNRS, 67000 Strasbourg France
| | - Ali Nikbakht
- Supramolecular Science and Engineering Institute, University of Strasbourg, CNRS, 67000 Strasbourg France
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11
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Kutateladze DA, Mai BK, Dong Y, Zhang Y, Liu P, Buchwald SL. Stereoselective Synthesis of Trisubstituted Alkenes via Copper Hydride-Catalyzed Alkyne Hydroalkylation. J Am Chem Soc 2023; 145:17557-17563. [PMID: 37540777 PMCID: PMC10569085 DOI: 10.1021/jacs.3c06479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/06/2023]
Abstract
Alkenes are ubiquitous in organic chemistry, yet many classes of alkenes remain challenging to access by current synthetic methodology. Herein, we report a copper hydride-catalyzed approach for the synthesis of Z-configured trisubstituted alkenes with high stereo- and regioselectivity via alkyne hydroalkylation. A DTBM-dppf-supported Cu catalyst was found to be optimal, providing a substantial increase in product yield compared to reactions conducted with dppf as the ligand. DFT calculations show that the DTBM substitution leads to the acceleration of alkyne hydrocupration through combined ground and transition state effects related to preventing catalyst dimerization and enhancing catalyst-substrate dispersion interactions, respectively. Alkyne hydroalkylation was successfully demonstrated with methyl and larger alkyl tosylate electrophiles to produce a variety of (hetero)aryl-substituted alkenes in moderate to high yields with complete selectivity for the Z stereochemically configured products. In the formation of the key C-C bond, computational studies revealed a direct SN2 pathway for alkylation of the vinylcopper intermediate with in situ-formed alkyl iodides.
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Affiliation(s)
- Dennis A Kutateladze
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Binh Khanh Mai
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Yuyang Dong
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Yu Zhang
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Stephen L Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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12
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Liu HY, Neale SE, Hill MS, Mahon MF, McMullin CL. Structural snapshots of an Al-Cu bond-mediated transformation of terminal acetylenes. Chem Sci 2023; 14:2866-2876. [PMID: 36937577 PMCID: PMC10016343 DOI: 10.1039/d3sc00240c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 02/14/2023] [Indexed: 02/17/2023] Open
Abstract
The copper(i) alumanyl derivative, [{SiNDipp}Al-Cu(NHCiPr)] (SiNDipp = {CH2SiMe2NDipp}2; Dipp = 2,6-di-isopropylphenyl; NHCiPr = N,N'-di-isopropyl-4,5-dimethyl-2-ylidene), reacts in a stepwise fashion with up to three equivalents of various terminal alkynes. This reactivity results in the sequential formation of cuprous (hydrido)(alkynyl)aluminate, (alkenyl)(alkynyl)aluminate and bis(alkynyl)aluminate derivatives, examples of which have been fully characterised. The process of alkene liberation resulting from the latter reaction step constitutes a unique case of alkyne transfer semi-hydrogenation in which the C-H acidic alkyne itself acts as a source of proton, with the Cu-Al bond providing the requisite electrons to effect reduction. This reaction sequence is validated by DFT calculations, which rationalise the variable stability of the initially formed heterobimetallic hydrides.
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Affiliation(s)
- Han-Ying Liu
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
| | - Samuel E Neale
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
| | - Michael S Hill
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
| | - Mary F Mahon
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
| | - Claire L McMullin
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
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13
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Kehner RA, Lubaev AE, Rathnayake MD, Loden R, Zhang G, Bayeh-Romero L. Selective zirconocene hydride-catalyzed semi-hydrogenation of terminal alkynes. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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14
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Gregori BJ, Schmotz MWS, Jacobi von Wangelin A. Stereoselective Semi-Hydrogenations of Alkynes by First-Row (3d) Transition Metal Catalysts. ChemCatChem 2022; 14:e202200886. [PMID: 36632425 PMCID: PMC9825939 DOI: 10.1002/cctc.202200886] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/25/2022] [Indexed: 01/14/2023]
Abstract
The chemo- and stereoselective semi-hydrogenation of alkynes to alkenes is a fundamental transformation in synthetic chemistry, for which the use of precious 4d or 5d metal catalysts is well-established. In mankind's unwavering quest for sustainability, research focus has considerably veered towards the 3d metals. Given their high abundancy and availability as well as lower toxicity and noxiousness, they are undoubtedly attractive from both an economic and an environmental perspective. Herein, we wish to present noteworthy and groundbreaking examples for the use of 3d metal catalysts for diastereoselective alkyne semi-hydrogenation as we embark on a journey through the first-row transition metals.
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Affiliation(s)
- Bernhard J. Gregori
- Dept. of ChemistryUniversity of HamburgMartin Luther King Pl 620146HamburgGermany
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15
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Patil RD, Dutta M, Pratihar S. Hydrogenation Involving Two Different Proton- and Hydride-Transferring Reagents through Metal–Ligand Cooperation: Mechanism and Scope. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rahul Daga Patil
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Inorganic Materials and Catalysis Division, CSIR─Central Salt & Marine Chemicals Research Institute, G.B. Marg, Bhavnagar 364002, Gujarat, India
| | - Manali Dutta
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, Assam, India
| | - Sanjay Pratihar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Inorganic Materials and Catalysis Division, CSIR─Central Salt & Marine Chemicals Research Institute, G.B. Marg, Bhavnagar 364002, Gujarat, India
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16
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Luo J, Liang Y, Montag M, Diskin-Posner Y, Avram L, Milstein D. Controlled Selectivity through Reversible Inhibition of the Catalyst: Stereodivergent Semihydrogenation of Alkynes. J Am Chem Soc 2022; 144:13266-13275. [PMID: 35839274 PMCID: PMC9374179 DOI: 10.1021/jacs.2c04233] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Catalytic semihydrogenation of internal alkynes using
H2 is an attractive atom-economical route to various alkenes,
and its
stereocontrol has received widespread attention, both in homogeneous
and heterogeneous catalyses. Herein, a novel strategy is introduced,
whereby a poisoning catalytic thiol is employed as a reversible inhibitor
of a ruthenium catalyst, resulting in a controllable H2-based semihydrogenation of internal alkynes. Both (E)- and (Z)-alkenes were obtained efficiently and
highly selectively, under very mild conditions, using a single homogeneous
acridine-based ruthenium pincer catalyst. Mechanistic studies indicate
that the (Z)-alkene is the reaction intermediate
leading to the (E)-alkene and that the addition of
a catalytic amount of bidentate thiol impedes the Z/E isomerization step by forming stable ruthenium
thiol(ate) complexes, while still allowing the main hydrogenation
reaction to proceed. Thus, the absence or presence of catalytic thiol
controls the stereoselectivity of this alkyne semihydrogenation, affording
either the (E)-isomer as the final product or halting
the reaction at the (Z)-intermediate. The developed
system, which is also applied to the controllable isomerization of
a terminal alkene, demonstrates how metal catalysis with switchable
selectivity can be achieved by reversible inhibition of the catalyst
with a simple auxiliary additive.
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Affiliation(s)
- Jie Luo
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yaoyu Liang
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Michael Montag
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yael Diskin-Posner
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Liat Avram
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - David Milstein
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
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17
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Denisova EA, Kostyukovich AY, Fakhrutdinov AN, Korabelnikova VA, Galushko AS, Ananikov VP. “Hidden” Nanoscale Catalysis in Alkyne Hydrogenation with Well-Defined Molecular Pd/NHC Complexes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ekaterina A. Denisova
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Alexander Yu. Kostyukovich
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Artem N. Fakhrutdinov
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Viktoria A. Korabelnikova
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Alexey S. Galushko
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
| | - Valentine P. Ananikov
- Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospekt 47, Moscow 119991, Russia
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18
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Bajo S, Theulier CA, Campos J. Mechanistic Investigations on Hydrogenation, Isomerization and Hydrosilylation Reactions Mediated by a Germyl‐Rhodium System. ChemCatChem 2022; 14:e202200157. [PMID: 36032040 PMCID: PMC9401076 DOI: 10.1002/cctc.202200157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 05/09/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Sonia Bajo
- CSIC: Consejo Superior de Investigaciones Cientificas IIQ SPAIN
| | | | - Jesus Campos
- Consejo Superior de Investigaciones Cientificas Institute of Chemical Research Av. Americo Vespucio 49, Isla de la 41092 Sevilla SPAIN
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19
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Effect of Iodide on the pH-Controlled Hydrogenations of Diphenylacetylene and Cinnamaldehyde Catalyzed by Ru(II)-Sulfonated Triphenylphosphine Complexes in Aqueous–Organic Biphasic Systems. Catalysts 2022. [DOI: 10.3390/catal12050518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The effect of NaI on hydrogenation of diphenylacetylene catalyzed by the water-soluble [{RuCl(mtppms-Na)2}2(µ-Cl)2] (1) (mtppms-Na = meta-monosulfonated triphenylphosphine sodium salt) is reported. Hydrogenations were performed under mild conditions (P(H2) = 1 bar, T = 50–80 ℃) in aqueous–organic biphasic reaction mixtures wherein the catalyst was dissolved in aqueous phase of various pHs. In acidic solutions, addition of NaI to 1 + mtppms-Na increased the selective conversion of diphenylacetylene to stilbenes from 10% to 90% but did not effect the high Z-selectivity (up to 98%). In contrast, in basic solutions the major product was diphenylethane (up to 70%), and the yield of E-stilbene exceeded that of the Z-isomer. 1H and 31P NMR measurements revealed that depending on the absence or presence of NaI, the catalytically active Ru(II)-hydride species in acidic solutions was [RuHCl(mtppms-Na)3], 2, or [RuHI(mtppms-Na)3], 5, respectively, while in basic solutions, both 2 and 5 were hydrogenated further to yield the same hydride species, cis,fac-[RuH2(H2O)(mtppms-Na)3]. [RuHI(mtppms-Na)3] proved superior to [RuHCl(mtppms-Na)3] as a catalyst for the selective hydrogenation of cinnamaldehyde to dihydrocinamaldehyde. This finding was explained by a facile formation of a (putative) dihydrogen complex [Ru(H2)I2(H2O)(mtppms-Na)2] intermediate, resulting in fast heterolytic activation of H2.
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20
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Farrar-Tobar RA, Weber S, Csendes Z, Ammaturo A, Fleissner S, Hoffmann H, Veiros LF, Kirchner K. E-Selective Manganese-Catalyzed Semihydrogenation of Alkynes with H 2 Directly Employed or In Situ-Generated. ACS Catal 2022; 12:2253-2260. [PMID: 35211351 PMCID: PMC8859827 DOI: 10.1021/acscatal.1c06022] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/18/2022] [Indexed: 02/07/2023]
Abstract
Selective semihydrogenation of alkynes with the Mn(I) alkyl catalyst fac-[Mn(dippe)(CO)3(CH2CH2CH3)] (dippe = 1,2-bis(di-iso-propylphosphino)ethane) as a precatalyst is described. The required hydrogen gas is either directly employed or in situ-generated upon alcoholysis of KBH4 with methanol. A series of aryl-aryl, aryl-alkyl, alkyl-alkyl, and terminal alkynes was readily hydrogenated to yield E-alkenes in good to excellent isolated yields. The reaction proceeds at 60 °C for directly employed hydrogen or at 60-90 °C with in situ-generated hydrogen and catalyst loadings of 0.5-2 mol %. The implemented protocol tolerates a variety of electron-donating and electron-withdrawing functional groups, including halides, phenols, nitriles, unprotected amines, and heterocycles. The reaction can be upscaled to the gram scale. Mechanistic investigations, including deuterium-labeling studies and density functional theory (DFT) calculations, were undertaken to provide a reasonable reaction mechanism, showing that initially formed Z-isomer undergoes fast isomerization to afford the thermodynamically more stable E-isomer.
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Affiliation(s)
- Ronald A. Farrar-Tobar
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, Vienna A-1060, Austria
| | - Stefan Weber
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, Vienna A-1060, Austria
| | - Zita Csendes
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, Vienna A-1060, Austria
| | - Antonio Ammaturo
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, Vienna A-1060, Austria
| | - Sarah Fleissner
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, Vienna A-1060, Austria
| | - Helmuth Hoffmann
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, Vienna A-1060, Austria
| | - Luis F. Veiros
- Centro de Química Estrutural and Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av Rovisco Pais, Lisboa 1049-001, Portugal
| | - Karl Kirchner
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, Vienna A-1060, Austria
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21
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Decker D, Wei Z, Rabeah J, Drexler HJ, Brückner A, Jiao H, Beweries T. Catalytic and mechanistic studies of a highly active and E-selective Co(II) PNNH pincer catalyst system for transfer-semihydrogenation of internal alkynes. Inorg Chem Front 2022. [DOI: 10.1039/d1qi00998b] [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
Herein we report the application of a Co(II) PNNH pincer catalyst system (PNNH = 2-(5-(t-butyl)-1H-pyrazol-3-yl)-6-(dialkylphosphinomethyl)pyridine) for the highly E-selective transfer semihydrogenation of internal diaryl alkynes using methanol and ammonia borane...
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22
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Liu M, Sun J, Engle KM. Recent advances in the generation and functionalization of C(alkenyl)–Pd species for synthesis of polysubstituted alkenes. Tetrahedron 2022. [DOI: 10.1016/j.tet.2021.132513] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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23
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Torres-Calis A, García JJ. Manganese-catalyzed transfer semihydrogenation of internal alkynes to E-alkenes with iPrOH as hydrogen source. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00246a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The Mn-catalyzed transfer semihydrogenation of internal alkynes to E-alkenes is reported herein, along with Mn-catalyzed hydration of α-keto alkynes. Mechanistic studies displayed an asymmetrical Mn-hydride species performing the catalytic turnover.
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Affiliation(s)
- Antonio Torres-Calis
- Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Juventino J. García
- Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
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24
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Kazem-Rostami M. A nitrogen-based chiral catenane for enantioenriching photocatalytic aerobic oxidation. NEW J CHEM 2022. [DOI: 10.1039/d2nj03732g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Tröger's base's chirality merges catenanes’ photosensitizing characteristics to introduce the first nitrogen-based chiral hetero[2]catenane that proceeds enantioenriching photocatalytic aerobic oxidations.
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Affiliation(s)
- Masoud Kazem-Rostami
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA
- Faculty of Science and Engineering, Macquarie University, North Ryde, NSW 2109, Australia
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25
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Hale DJ, Ferguson MJ, Turculet L. (PSiP)Ni-Catalyzed (E)-Selective Semihydrogenation of Alkynes with Molecular Hydrogen. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04537] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Dylan J. Hale
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. Box 15000, Halifax B3H 4R2, Nova Scotia, Canada
| | - Michael J. Ferguson
- X-Ray Crystallography Laboratory, Department of Chemistry, University of Alberta, Edmonton T6G 2G2, Alberta, Canada
| | - Laura Turculet
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. Box 15000, Halifax B3H 4R2, Nova Scotia, Canada
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26
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Zheng W, Zhou Y, Li Y. PVC-NHC-Pd(0): An efficient and reusable heterogeneous catalyst for highly cis-selective semihydrogenation of alkynes using formic acid as hydrogen source. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.109014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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27
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Chen K, Zhu H, Li Y, Peng Q, Guo Y, Wang X. Dinuclear Cobalt Complex-Catalyzed Stereodivergent Semireduction of Alkynes: Switchable Selectivities Controlled by H 2O. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04141] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Ke Chen
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
- State Key Laboratory of Oganometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Hongdan Zhu
- State Key Laboratory of Elemento-Organic Chemistry and Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Yuling Li
- State Key Laboratory of Oganometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Qian Peng
- State Key Laboratory of Elemento-Organic Chemistry and Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Yinlong Guo
- State Key Laboratory of Oganometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Xiaoming Wang
- State Key Laboratory of Oganometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
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28
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Moran MJ, Martina K, Bieliunas V, Baricco F, Tagliapietra S, Berlier G, De Borggraeve WM, Cravotto G. Copper(0) nanoparticle catalyzed
Z
‐Selective Transfer Semihydrogenation of Internal Alkynes. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100126] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Maria Jesus Moran
- Dipartimento di Scienza e Tecnologia del Farmaco University of Turin Via Pietro Giuria 9 10125 Turin Italy
| | - Katia Martina
- Dipartimento di Scienza e Tecnologia del Farmaco University of Turin Via Pietro Giuria 9 10125 Turin Italy
| | - Vidmantas Bieliunas
- KU Leuven Department of Chemistry Celestijnenlaan 200F box 2404 B-3001 Leuven Belgium
| | - Francesca Baricco
- Dipartimento di Scienza e Tecnologia del Farmaco University of Turin Via Pietro Giuria 9 10125 Turin Italy
| | - Silvia Tagliapietra
- Dipartimento di Scienza e Tecnologia del Farmaco University of Turin Via Pietro Giuria 9 10125 Turin Italy
| | - Gloria Berlier
- Dipartimento di Chimica University of Turin Via Pietro Giuria 7 10125 Turin Italy
| | - Wim M. De Borggraeve
- KU Leuven Department of Chemistry Celestijnenlaan 200F box 2404 B-3001 Leuven Belgium
| | - Giancarlo Cravotto
- Dipartimento di Scienza e Tecnologia del Farmaco University of Turin Via Pietro Giuria 9 10125 Turin Italy
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29
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Huang Z, Wang Y, Leng X, Huang Z. An Amine-Assisted Ionic Monohydride Mechanism Enables Selective Alkyne cis-Semihydrogenation with Ethanol: From Elementary Steps to Catalysis. J Am Chem Soc 2021; 143:4824-4836. [DOI: 10.1021/jacs.1c01472] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Zhidao Huang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Yulei Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Xuebing Leng
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Zheng Huang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- Chang-Kung Chuang Institute, East China Normal University, Shanghai 200062, China
- School of Chemistry and Material Sciences, Hangzhou Institute of Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
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30
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Park BY, Lim T, Han MS. A simple and efficient in situ generated copper nanocatalyst for stereoselective semihydrogenation of alkynes. Chem Commun (Camb) 2021; 57:6891-6894. [PMID: 34151329 DOI: 10.1039/d1cc02685b] [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
Development of a simple, effective, and practical method for (Z)-selective semihydrogenation of alkynes has been considered necessary for easy-to-access applications at organic laboratory scales. Herein, (Z)-selective semihydrogenation of alkynes was achieved using a copper nanocatalyst which was generated in situ simply by adding ammonia borane to an ethanol solution of copper sulfate. Different types of alkynes including aryl-aryl, aryl-alkyl, and aliphatic alkynes were selectively reduced to (Z)-alkenes affording up to 99% isolated yield. The semihydrogenation of terminal alkynes to alkenes and gram-scale applications were also reported. In addition to eliminating catalyst preparation, the proposed approach is simple and practical and serves as a suitable alternative method to the conventional Lindlar catalyst.
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Affiliation(s)
- Byoung Yong Park
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.
| | - Taeho Lim
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.
| | - Min Su Han
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.
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