1
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Wang Y, Tsui GC. Stereodivergent Palladium-Catalyzed C-F Bond Functionalization of gem-Difluoroalkenes. Org Lett 2024; 26:5822-5826. [PMID: 38937877 PMCID: PMC11250036 DOI: 10.1021/acs.orglett.4c02112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Revised: 06/24/2024] [Accepted: 06/26/2024] [Indexed: 06/29/2024]
Abstract
We herein describe a stereodivergent C-F bond functionalization of gem-difluoroalkenes. Using trisubstituted β,β-difluoroacrylates, both E and Z monofluoroalkene products can be obtained with excellent diastereoselectivities. The design of two different reaction manifolds, i.e., Pd(II)- versus Pd(0)-catalyzed cross-coupling of boronic acids, is the key to stereocontrol.
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Affiliation(s)
- Yanhui Wang
- Department
of Chemistry, The Chinese University of
Hong Kong, Shatin, New Territories, Hong Kong SAR 999077, China
| | - Gavin Chit Tsui
- Department
of Chemistry, The Chinese University of
Hong Kong, Shatin, New Territories, Hong Kong SAR 999077, China
- Shanghai-Hong
Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, Shanghai 200032, China
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2
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Sansores-Paredes MLG, Lutz M, Moret ME. Cooperative H 2 activation at a nickel(0)-olefin centre. Nat Chem 2024; 16:417-425. [PMID: 38052947 DOI: 10.1038/s41557-023-01380-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 10/23/2023] [Indexed: 12/07/2023]
Abstract
Catalytic olefin hydrogenation is ubiquitous in organic synthesis. In most proposed homogeneous catalytic cycles, reactive M-H bonds are generated either by oxidative addition of H2 to a metal centre or by deprotonation of a non-classical metal dihydrogen (M-H2) intermediate. Here we provide evidence for an alternative H2-activation mechanism that instead involves direct ligand-to-ligand hydrogen transfer (LLHT) from a metal-bound H2 molecule to a metal-coordinated olefin. An unusual pincer ligand that features two phosphine ligands and a central olefin supports the formation of a non-classical Ni-H2 complex and the Ni(alkyl)(hydrido) product of LLHT, in rapid equilibrium with dissolved H2. The usefulness of this cooperative H2-activation mechanism for catalysis is demonstrated in the semihydrogenation of diphenylacetylene. Experimental and computational mechanistic investigations support the central role of LLHT for H2 activation and catalytic semihydrogenation. The product distribution obtained is largely determined by the competition between (E)-(Z) isomerization and catalyst degradation by self-hydrogenation.
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Affiliation(s)
- María L G Sansores-Paredes
- Organic Chemistry and Catalysis, Institute for Sustainable and Circular Chemistry, Faculty of Science, Utrecht University, Utrecht, the Netherlands
| | - Martin Lutz
- Structural Biochemistry, Bijvoet Centre for Biomolecular Research, Faculty of Science, Utrecht University, Utrecht, the Netherlands
| | - Marc-Etienne Moret
- Organic Chemistry and Catalysis, Institute for Sustainable and Circular Chemistry, Faculty of Science, Utrecht University, Utrecht, the Netherlands.
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3
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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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4
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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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5
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Wu Y, Ao Y, Li Z, Liu C, Zhao J, Gao W, Li X, Wang H, Liu Y, Liu Y. Modulation of metal species as control point for Ni-catalyzed stereodivergent semihydrogenation of alkynes with water. Nat Commun 2023; 14:1655. [PMID: 36964163 PMCID: PMC10039052 DOI: 10.1038/s41467-023-37022-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 02/23/2023] [Indexed: 03/26/2023] Open
Abstract
A base-assisted metal species modulation mechanism enables Ni-catalyzed stereodivergent transfer semihydrogenation of alkynes with water, delivering both olefinic isomers smoothly using cheap and nontoxic catalysts and additives. Different from most precedents, in which E-alkenes derive from the isomerization of Z-alkene products, the isomers were formed in orthogonal catalytic pathways. Mechanistic studies suggest base as a key early element in modulation of the reaction pathways: by adding different bases, nickel species with disparate valence states could be accessed to initiate two catalytic cycles toward different stereoisomers. The practicability of the method is showcased with nearly 70 examples, including internal and terminal triple bonds, enynes and diynes, affording semi-hydrogenated products in high yields and selectivity.
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Affiliation(s)
- Yuanqi Wu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Yuhui Ao
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Zhiming Li
- Department of Chemistry, Fudan University, 200438, Shanghai, PR China.
| | - Chunhui Liu
- College of Chemical and Materials Engineering, Xuchang University, 461000, Xuchang, PR China
| | - Jinbo Zhao
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Wenyu Gao
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Xuemeng Li
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Hui Wang
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Yongsheng Liu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Yu Liu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China.
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6
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Chromium-catalyzed stereodivergent E- and Z-selective alkyne hydrogenation controlled by cyclic (alkyl)(amino)carbene ligands. Nat Commun 2023; 14:990. [PMID: 36813784 PMCID: PMC9947122 DOI: 10.1038/s41467-023-36677-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 02/13/2023] [Indexed: 02/24/2023] Open
Abstract
The hydrogenation of alkynes allows the synthesis of olefins, which are important feedstock for the materials, pharmaceutical, and petrochemical industry. Thus, methods that enable this transformation via low-cost metal catalysis are desirable. However, achieving stereochemical control in this reaction is a long-standing challenge. Here, we report on the chromium-catalyzed E- and Z-selective olefin synthesis via hydrogenation of alkynes, controlled by two carbene ligands. A cyclic (alkyl)(amino)carbene ligand that contains a phosphino anchor enables the hydrogenation of alkynes in a trans-addition manner, selectively forming E-olefins. With an imino anchor-incorporated carbene ligand, the stereoselectivity can be switched, giving mainly Z-isomers. This ligand-enabled geometrical stereoinversion strategy by one metal catalysis overrides common methods in control of the E- and Z-selectivity with two different metal catalysis, allowing for highly efficient and on-demand access to both E- and Z-olefins in a stereo-complementary fashion. Mechanistic studies indicate that the different steric effect between these two carbene ligands may mainly dominate the selective forming E- or Z-olefins in control of the stereochemistry.
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7
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Su Y, Wang X, Lin Q, Shen Q, Xu S, Fang L, Wen X. E-Selective semi-hydrogenation of alkynes via a sulfur-radical mediation over cyclodextrin-modified nickel nanocatalyst. Catal Sci Technol 2023. [DOI: 10.1039/d2cy01984a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
An efficient cyclodextrin-modified Ni catalyst was developed for E-selective semi-hydrogenation of alkynes that takes into account for the highly active Hδ− and Hδ+, in situ formed Ni nanoparticles, and the host–guest interaction.
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Affiliation(s)
- Yatao Su
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China
| | - Xiu Wang
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China
| | - Qianwen Lin
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China
| | - Qi Shen
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China
| | - Shuangwen Xu
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China
| | - Liping Fang
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China
| | - Xin Wen
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China
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8
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van Beek CB, Killian L, Lutz M, Weingarth M, Asundi AS, Sarangi R, Klein Gebbink RJM, Broere DLJ. E-selective Semi-hydrogenation of Alkynes under Mild Conditions by a Diruthenium Hydride Complex. Chemistry 2022; 28:e202202527. [PMID: 35979748 PMCID: PMC10092327 DOI: 10.1002/chem.202202527] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Indexed: 12/14/2022]
Abstract
The synthesis, characterization and catalytic activity of a new class of diruthenium hydrido carbonyl complexes bound to the tBu PNNP expanded pincer ligand is described. Reacting tBu PNNP with two equiv of RuHCl(PPh3 )3 (CO) at 140 °C produces an insoluble air-stable complex, which was structurally characterized as [Ru2 (tBu PNNP)H(μ-H)Cl(μ-Cl)(CO)2 ] (1) using solid-state NMR, IR and X-ray absorption spectroscopies and follow-up reactivity. A reaction with KOtBu results in deprotonation of a methylene linker to produce [Ru2 (tBu PNNP* )H(μ-H)(μ-OtBu)(CO)2 ] (3) featuring a partially dearomatized naphthyridine core. This enables metal-ligand cooperative activation of H2 analogous to the mononuclear analogue, [Ru(tBu PNP*)H(CO)]. In contrast to the mononuclear system, the bimetallic analogue 3 catalyzes the E-selective semi-hydrogenation of alkynes at ambient temperature and atmospheric H2 pressure with good functional group tolerance. Monitoring the semi-hydrogenation of diphenylacetylene by 1 H NMR spectroscopy shows the intermediacy of Z-stilbene, which is subsequently isomerized to the E-isomer. Initial findings into the mode of action of this system are provided, including the spectroscopic characterization of a polyhydride intermediate and the isolation of a deactivated species with a partially hydrogenated naphthyridine backbone.
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Affiliation(s)
- Cody B van Beek
- Organic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht (The, Netherlands
| | - Lars Killian
- Organic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht (The, Netherlands
| | - Martin Lutz
- Structural Biochemistry, Bijvoet Centre for Biomolecular Research, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht (The, Netherlands
| | - Markus Weingarth
- NMR Spectroscopy, Bijvoet Centre for Biomolecular Research, Department of Chemistry, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH, Utrecht (The, Netherlands
| | - Arun S Asundi
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Stanford University, 94025, Menlo Park, California, USA
| | - Ritimukta Sarangi
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Stanford University, 94025, Menlo Park, California, USA
| | - Robertus J M Klein Gebbink
- Organic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht (The, Netherlands
| | - Daniël L J Broere
- Organic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht (The, Netherlands
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9
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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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10
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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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11
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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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12
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Lee MY, Kahl C, Kaeffer N, Leitner W. Electrocatalytic Semihydrogenation of Alkynes with [Ni(bpy) 3] 2. JACS AU 2022; 2:573-578. [PMID: 35373211 PMCID: PMC8970006 DOI: 10.1021/jacsau.1c00574] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Indexed: 06/14/2023]
Abstract
Electrifying the production of base and fine chemicals calls for the development of electrocatalytic methodologies for these transformations. We show here that the semihydrogenation of alkynes, an important transformation in organic synthesis, is electrocatalyzed at room temperature by a simple complex of earth-abundant nickel, [Ni(bpy)3]2+. The approach operates under mild conditions and is selective toward the semihydrogenated olefins with good to very good Z isomer stereoselectivity. (Spectro)electrochemistry supports that the electrocatalytic cycle is initiated in an atypical manner with a nickelacyclopropene complex, which upon further protonation is converted into a putative cationic Ni(II)-vinyl intermediate that produces the olefin after electron-proton uptake. This work establishes a proof of concept for homogeneous electrocatalysis applied to alkyne semihydrogenation, with opportunities to improve the yields and stereoselectivity.
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13
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Both NF, Spannenberg A, Junge K, Beller M. Low-Valent Molybdenum PNP Pincer Complexes as Catalysts for the Semihydrogenation of Alkynes. Organometallics 2022; 41:1797-1805. [PMID: 36156902 PMCID: PMC9490815 DOI: 10.1021/acs.organomet.1c00709] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Low-valent molybdenum
PNP pincer complexes were studied as catalysts
for the semihydrogenation of alkynes. For that purpose, tBu-substituted PNP complexes PNPtBuMo(CO)2 (6a) and PNPtBuMo(CO)3 (6c) and the NNP complex NNPiPrMo(CO)2(PPh3) ((rac)-7) were synthesized and characterized. By utilizing
the cyclohexyl-substituted complex PNPCyMo(CO)2(CH3CN) (5a), several diphenylacetylene
derivatives are transformed to the corresponding (Z)-alkenes with good to very good diastereoselectivities (up to 91:9).
Mechanistic experiments indicate an outer-sphere mechanism including
metal–ligand cooperativity.
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Affiliation(s)
- Niklas F. Both
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
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14
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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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15
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Valiente A, Martínez‐Pardo P, Kaur G, Johansson MJ, Martín‐Matute B. Electrochemical Proton Reduction over Nickel Foam for Z-Stereoselective Semihydrogenation/deuteration of Functionalized Alkynes. CHEMSUSCHEM 2022; 15:e202102221. [PMID: 34738723 PMCID: PMC9300003 DOI: 10.1002/cssc.202102221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/05/2021] [Indexed: 06/13/2023]
Abstract
Selective reduction strategies based on abundant-metal catalysts are very important in the production of chemicals. In this paper, a method for the electrochemical semihydrogenation and semideuteration of alkynes to form Z-alkenes was developed, using a simple nickel foam as catalyst and H3 O+ or D3 O+ as sources of hydrogen or deuterium. Good yields and excellent stereoselectivities (Z/E up to 20 : 1) were obtained under very mild reaction conditions. The reaction proceeded with terminal and nonterminal alkynes, and also with alkynes containing easily reducible functional groups, such as carbonyl groups, as well as aryl chlorides, bromides, and even iodides. The nickel-foam electrocatalyst could be recycled up to 14 times without any change in its catalytic properties.
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Affiliation(s)
- Alejandro Valiente
- Department of Organic ChemistryStockholm University The Arrhenius Laboratory 16C106 91StockholmSweden
| | - Pablo Martínez‐Pardo
- Department of Organic ChemistryStockholm University The Arrhenius Laboratory 16C106 91StockholmSweden
| | - Gurpreet Kaur
- Department of Organic ChemistryStockholm University The Arrhenius Laboratory 16C106 91StockholmSweden
| | - Magnus J. Johansson
- Medicinal Chemistry, Research and Early Development; Cardiovascular, Renal and Metabolism (CVRM)Biopharmaceuticals R&D AstraZenecaPepparedsleden 143150Mölndal, GothenburgSweden
| | - Belén Martín‐Matute
- Department of Organic ChemistryStockholm University The Arrhenius Laboratory 16C106 91StockholmSweden
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16
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Panigrahi D, Mondal M, Gupta R, Mani G. Four- and five-coordinate nickel(ii) complexes bearing new diphosphine–phosphonite and triphosphine–phosphite ligands: catalysts for N-alkylation of amines. RSC Adv 2022; 12:4510-4520. [PMID: 35425522 PMCID: PMC8981024 DOI: 10.1039/d1ra08961g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 12/12/2021] [Indexed: 11/21/2022] Open
Abstract
A series of nickel(ii) complexes supported by the new tridentate P3 and tetradentate P4 ligands act efficiently as catalysts for the N-alkylation of primary amines with alcohols.
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Affiliation(s)
- Dipankar Panigrahi
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721 302, India
| | - Munmun Mondal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721 302, India
| | - Rohit Gupta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721 302, India
| | - Ganesan Mani
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721 302, India
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17
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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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18
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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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19
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SHIDDIQAH AS, ABDULLAH I, KRISNANDI YK. Selective hydrogenation of diphenylacetylene using NiCo nanoparticles supported on mesoporous carbon as catalyst. Turk J Chem 2021; 46:677-686. [PMID: 37720625 PMCID: PMC10503970 DOI: 10.55730/1300-0527.3359] [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: 09/08/2021] [Revised: 06/16/2022] [Accepted: 11/30/2021] [Indexed: 11/13/2022] Open
Abstract
Hydrogenation of alkynes to alkenes is an important procedure in the synthesis of organic compounds. In this study, selective hydrogenation was carried out on diphenylacetylene as a model of alkyne compounds using NaBH4 as a hydrogen source and NiCo bimetallic nanoparticles supported on mesoporous carbon (NiCo/MC) as a catalyst. The mesoporous carbon was prepared using the soft-templated method from phloroglucinol and formaldehyde as precursors while the NiCo/MC catalyst was synthesized using a wet impregnation method. Based on surface area analysis, it was found that the pore diameters of MC, Ni/MC, and NiCo/MC were 12.8 nm, 13.4 nm, and 12.7 nm respectively, which indicated the mesoporous size of the materials. TEM analysis also confirmed the formation of nanoparticles on mesoporous carbon with the average size similar to the pore structure of the support, thus indicating the incorporation of the metals on the support. The hydrogenation reaction of diphenylacetylene was carried out with variations in reaction time and temperature. GCMS analysis of the products showed that the optimum conditions were obtained over NiCo/MC catalyst at 50 °C for 4 h with a diphenylacetylene conversion of 71.5% and a selectivity of 87.1% for the formation of cis-stilbene.
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Affiliation(s)
- Alyaa S. SHIDDIQAH
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of
Indonesia, Depok,
Indonesia
| | - Iman ABDULLAH
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of
Indonesia, Depok,
Indonesia
| | - Yuni K. KRISNANDI
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of
Indonesia, Depok,
Indonesia
- Solid Inorganic Framework Laboratory, Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of
Indonesia, Depok,
Indonesia
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20
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Shen X, Huang C, Yuan X, Yu S. Diastereoselective and Stereodivergent Synthesis of 2‐Cinnamylpyrrolines Enabled by Photoredox‐Catalyzed Iminoalkenylation of Alkenes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016941] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Xu Shen
- State Key Laboratory of Analytical Chemistry for Life Science Jiangsu Key Laboratory of Advanced Organic Materials Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Congcong Huang
- School of chemistry and chemical engineering Qufu Normal University Qufu 273165 China
| | - Xiang‐Ai Yuan
- School of chemistry and chemical engineering Qufu Normal University Qufu 273165 China
| | - Shouyun Yu
- State Key Laboratory of Analytical Chemistry for Life Science Jiangsu Key Laboratory of Advanced Organic Materials Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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21
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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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22
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Shen X, Huang C, Yuan X, Yu S. Diastereoselective and Stereodivergent Synthesis of 2‐Cinnamylpyrrolines Enabled by Photoredox‐Catalyzed Iminoalkenylation of Alkenes. Angew Chem Int Ed Engl 2021; 60:9672-9679. [DOI: 10.1002/anie.202016941] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/24/2021] [Indexed: 12/13/2022]
Affiliation(s)
- Xu Shen
- State Key Laboratory of Analytical Chemistry for Life Science Jiangsu Key Laboratory of Advanced Organic Materials Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Congcong Huang
- School of chemistry and chemical engineering Qufu Normal University Qufu 273165 China
| | - Xiang‐Ai Yuan
- School of chemistry and chemical engineering Qufu Normal University Qufu 273165 China
| | - Shouyun Yu
- State Key Laboratory of Analytical Chemistry for Life Science Jiangsu Key Laboratory of Advanced Organic Materials Chemistry and Biomedicine Innovation Center (ChemBIC) School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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23
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Li K, Yang C, Chen J, Pan C, Fan R, Zhou Y, Luo Y, Yang D, Fan B. Anion Controlled Stereodivergent Semi‐Hydrogenation of Alkynes using Water as Hydrogen Source. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000716] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Kangkui Li
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Chunhui Yang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Jingchao Chen
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Chunxiang Pan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Ruifeng Fan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Yongyun Zhou
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Yang Luo
- Chongqing Key Laboratory of Health Science in Traditional Chinese Medicine Chongqing Academy of Chinese Materia Medica Chongqing 400065 P. R. China
| | - Dajian Yang
- Chongqing Key Laboratory of Health Science in Traditional Chinese Medicine Chongqing Academy of Chinese Materia Medica Chongqing 400065 P. R. China
| | - Baomin Fan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
- Chongqing Key Laboratory of Health Science in Traditional Chinese Medicine Chongqing Academy of Chinese Materia Medica Chongqing 400065 P. R. China
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24
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Duan L, Jiang K, Zhu H, Yin B. CuCl 2-catalyzed highly stereoselective and chemoselective reduction of alkynyl amides into α,β-unsaturated amides using silanes as hydrogen donors. Org Biomol Chem 2021; 19:365-369. [PMID: 33332519 DOI: 10.1039/d0ob02037k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A CuH-catalyzed Z-selective partial reduction of alkynyl amides to afford α,β-unsaturated amides using silane as the hydrogen donor is developed. This reaction is carried out under mild conditions and able to accommodate a broad scope of alkynyl amides including those bearing a terminal carbon-carbon double bond or triple bond, affording alkenyl amides with high stereoselectivity and excellent yields.
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Affiliation(s)
- Lingfei Duan
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Kai Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Hua Zhu
- Guangxi Key Laboratory of Zhuang and Yao Ethnic Medicine, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Biaolin Yin
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
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25
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Wen J, Wang F, Zhang X. Asymmetric hydrogenation catalyzed by first-row transition metal complexes. Chem Soc Rev 2021; 50:3211-3237. [DOI: 10.1039/d0cs00082e] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review focuses on asymmetric direct and transfer hydrogenation with first-row transition metal complexes. The reaction mechanisms and the models of enantiomeric induction were summarized and emphasized.
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Affiliation(s)
- Jialin Wen
- Department of Chemistry
- Guangdong Provincial Key Laboratory of Catalysis
- Southern University of Science and Technology
- Shenzhen
- China
| | - Fangyuan Wang
- Department of Chemistry
- Guangdong Provincial Key Laboratory of Catalysis
- Southern University of Science and Technology
- Shenzhen
- China
| | - Xumu Zhang
- Department of Chemistry
- Guangdong Provincial Key Laboratory of Catalysis
- Southern University of Science and Technology
- Shenzhen
- China
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26
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Tambe SD, Iqbal N, Cho EJ. Nickel-Catalyzed trans-Carboamination across Internal Alkynes to Access Multifunctionalized Indoles. Org Lett 2020; 22:8550-8554. [PMID: 33104355 DOI: 10.1021/acs.orglett.0c03148] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A Ni-catalyzed reaction was developed for the synthesis of multifunctionalized indoles. The reaction proceeded through oxidative cyclization of the Ni(0)/P^N complex with an enyne system, 2-alkynyl anilinoacrylate, to provide a nickelacycle intermediate. The trans-carboamination around the internal alkyne was achieved by syn/anti-rotation of the Ni-carbenoid intermediate formed by C-N bond cleavage of the nickelacycle, and 3-alkenylated indoles were formed by C-N bond-forming reductive elimination. Notably, the synthesized indoles could be successfully transformed to functionalized carbazoles.
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Affiliation(s)
- Shrikant D Tambe
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Naeem Iqbal
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Eun Jin Cho
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
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27
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Bie F, Liu X, Shi Y, Cao H, Han Y, Szostak M, Liu C. Rh-Catalyzed Base-Free Decarbonylative Borylation of Twisted Amides. J Org Chem 2020; 85:15676-15685. [PMID: 33124423 DOI: 10.1021/acs.joc.0c02157] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We report the rhodium-catalyzed base-free decarbonylative borylation of twisted amides. The synthesis of versatile arylboronate esters from aryl twisted amides is achieved via decarbonylative rhodium(I) catalysis and highly selective N-C(O) insertion. The method is notable for a very practical, additive-free Rh(I) catalyst system. The method shows broad functional group tolerance and excellent substrate scope, including site-selective decarbonylative borylation/Heck cross-coupling via divergent N-C/C-Br cleavage and late-stage pharmaceutical borylation.
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Affiliation(s)
- Fusheng Bie
- Zaozhuang University, 1 Bei'an Road, Zaozhuang, Shandong 277160, China.,Shandong Lunan Coal Chemical Research Institute of Engineering and Technology, 1 Bei'an Road, Zaozhuang, Shandong 277160, China
| | - Xuejing Liu
- Zaozhuang University, 1 Bei'an Road, Zaozhuang, Shandong 277160, China.,Shandong Lunan Coal Chemical Research Institute of Engineering and Technology, 1 Bei'an Road, Zaozhuang, Shandong 277160, China
| | - Yijun Shi
- Zaozhuang University, 1 Bei'an Road, Zaozhuang, Shandong 277160, China.,Shandong Lunan Coal Chemical Research Institute of Engineering and Technology, 1 Bei'an Road, Zaozhuang, Shandong 277160, China
| | - Han Cao
- Zaozhuang University, 1 Bei'an Road, Zaozhuang, Shandong 277160, China.,Shandong Lunan Coal Chemical Research Institute of Engineering and Technology, 1 Bei'an Road, Zaozhuang, Shandong 277160, China
| | - Ying Han
- Zaozhuang University, 1 Bei'an Road, Zaozhuang, Shandong 277160, China.,Shandong Lunan Coal Chemical Research Institute of Engineering and Technology, 1 Bei'an Road, Zaozhuang, Shandong 277160, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Chengwei Liu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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28
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Staiger L, Kratky T, Günther S, Tomanek O, Zbořil R, Fischer RW, Fischer RA, Cokoja M. Steric and Electronic Effects of Phosphane Additives on the Catalytic Performance of Colloidal Palladium Nanoparticles in the Semi‐Hydrogenation of Alkynes. ChemCatChem 2020. [DOI: 10.1002/cctc.202001121] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Lena Staiger
- Chair of Inorganic and Metal-Organic Chemistry Department of Chemistry and Catalysis Research Center Technical University of Munich Ernst-Otto-Fischer-Straße 1 85747 Garching b. München Germany
| | - Tim Kratky
- Chair of Physical Chemistry with Focus on Catalysis Department of Chemistry and Catalysis Research Center Technical University of Munich Ernst-Otto-Fischer-Straße 1 85747 Garching b. München Germany
| | - Sebastian Günther
- Chair of Physical Chemistry with Focus on Catalysis Department of Chemistry and Catalysis Research Center Technical University of Munich Ernst-Otto-Fischer-Straße 1 85747 Garching b. München Germany
| | - Ondrej Tomanek
- Regional Center of Advanced Technologies and Materials RCPTM Šlechtitelů 27 78371 Olomouc Czech Republic
| | - Radek Zbořil
- Regional Center of Advanced Technologies and Materials RCPTM Šlechtitelů 27 78371 Olomouc Czech Republic
| | - Richard W. Fischer
- Clariant Produkte (Deutschland) GmbH Waldheimer Straße 15 83052 Bruckmühl Germany
| | - Roland A. Fischer
- Chair of Inorganic and Metal-Organic Chemistry Department of Chemistry and Catalysis Research Center Technical University of Munich Ernst-Otto-Fischer-Straße 1 85747 Garching b. München Germany
| | - Mirza Cokoja
- Chair of Inorganic and Metal-Organic Chemistry Department of Chemistry and Catalysis Research Center Technical University of Munich Ernst-Otto-Fischer-Straße 1 85747 Garching b. München Germany
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29
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Sodreau A, Vivien A, Moisset A, Salzemann C, Petit C, Petit M. Simpler and Cleaner Synthesis of Variously Capped Cobalt Nanocrystals Applied in the Semihydrogenation of Alkynes. Inorg Chem 2020; 59:13972-13978. [DOI: 10.1021/acs.inorgchem.0c01641] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- A. Sodreau
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, UMR 8232, 4 place Jussieu, 75005 Paris, France
| | - A. Vivien
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, UMR 8232, 4 place Jussieu, 75005 Paris, France
| | - A. Moisset
- Sorbonne Université, MONARIS, UMR 8233, 4 place Jussieu, 75005 Paris, France
| | - C. Salzemann
- Sorbonne Université, MONARIS, UMR 8233, 4 place Jussieu, 75005 Paris, France
| | - C. Petit
- Sorbonne Université, MONARIS, UMR 8233, 4 place Jussieu, 75005 Paris, France
| | - M. Petit
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, UMR 8232, 4 place Jussieu, 75005 Paris, France
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30
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31
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Gregori BJ, Nowakowski M, Schoch A, Pöllath S, Zweck J, Bauer M, Jacobi von Wangelin A. Stereoselective Chromium‐Catalyzed Semi‐Hydrogenation of Alkynes. ChemCatChem 2020. [DOI: 10.1002/cctc.202000994] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Bernhard J. Gregori
- Dept. of Chemistry University of Hamburg Martin Luther King Pl 6 20146 Hamburg Germany
| | - Michal Nowakowski
- Dept. of Chemistry University of Paderborn Warburger Str. 100 33098 Paderborn Germany
| | - Anke Schoch
- Dept. of Chemistry University of Paderborn Warburger Str. 100 33098 Paderborn Germany
| | - Simon Pöllath
- Dept. of Physics University of Regensburg Universitaetsstr. 31 93053 Regensburg Germany
| | - Josef Zweck
- Dept. of Physics University of Regensburg Universitaetsstr. 31 93053 Regensburg Germany
| | - Matthias Bauer
- Dept. of Chemistry University of Paderborn Warburger Str. 100 33098 Paderborn Germany
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32
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Yadav S, Dutta I, Saha S, Das S, Pati SK, Choudhury J, Bera JK. An Annelated Mesoionic Carbene (MIC) Based Ru(II) Catalyst for Chemo- and Stereoselective Semihydrogenation of Internal and Terminal Alkynes. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00413] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Suman Yadav
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Indranil Dutta
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Sayantani Saha
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Shubhajit Das
- New Chemistry Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Center for Advanced Scientific Research, Bangalore 560064, India
| | - Swapan K. Pati
- New Chemistry Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Center for Advanced Scientific Research, Bangalore 560064, India
| | - Joyanta Choudhury
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462066, India
| | - Jitendra K. Bera
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
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33
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Markov PV, Smirnova NS, Baeva GN, Bukhtiyarov AV, Mashkovsky IS, Stakheev AY. Intermetallic Pd In /Al2O3 catalysts with isolated single-atom Pd sites for one-pot hydrogenation of diphenylacetylene into trans-stilbene. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.07.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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34
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Murugesan K, Wei Z, Chandrashekhar VG, Jiao H, Beller M, Jagadeesh RV. General and selective synthesis of primary amines using Ni-based homogeneous catalysts. Chem Sci 2020; 11:4332-4339. [PMID: 34122891 PMCID: PMC8152594 DOI: 10.1039/d0sc01084g] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The development of base metal catalysts for industrially relevant amination and hydrogenation reactions by applying abundant and atom economical reagents continues to be important for the cost-effective and sustainable synthesis of amines which represent highly essential chemicals. In particular, the synthesis of primary amines is of central importance because these compounds serve as key precursors and central intermediates to produce value-added fine and bulk chemicals as well as pharmaceuticals, agrochemicals and materials. Here we report a Ni-triphos complex as the first Ni-based homogeneous catalyst for both reductive amination of carbonyl compounds with ammonia and hydrogenation of nitroarenes to prepare all kinds of primary amines. Remarkably, this Ni-complex enabled the synthesis of functionalized and structurally diverse benzylic, heterocyclic and aliphatic linear and branched primary amines as well as aromatic primary amines starting from inexpensive and easily accessible carbonyl compounds (aldehydes and ketones) and nitroarenes using ammonia and molecular hydrogen. This Ni-catalyzed reductive amination methodology has been applied for the amination of more complex pharmaceuticals and steroid derivatives. Detailed DFT computations have been performed for the Ni-triphos based reductive amination reaction, and they revealed that the overall reaction has an inner-sphere mechanism with H2 metathesis as the rate-determining step. A Ni-triphos based homogeneous catalyst enabled the synthesis of all kinds of primary amines by reductive amination of carbonyl compounds with ammonia and hydrogenation of nitroarenes.![]()
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Affiliation(s)
- Kathiravan Murugesan
- Leibniz-Institut für Katalyse e. V. Albert Einstein-Str. 29a 18059 Rostock Germany
| | - Zhihong Wei
- Leibniz-Institut für Katalyse e. V. Albert Einstein-Str. 29a 18059 Rostock Germany
| | | | - Haijun Jiao
- Leibniz-Institut für Katalyse e. V. Albert Einstein-Str. 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e. V. Albert Einstein-Str. 29a 18059 Rostock Germany
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35
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Gong D, Hu B, Yang W, Kong D, Xia H, Chen D. A Bidentate Ru(II)-NC Complex as a Catalyst for Semihydrogenation of Alkynes to (E)-Alkenes with Ethanol. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00074] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dawei Gong
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, People’s Republic of China
- Shenzhen Grubbs Institute, Department of Chemistry, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Bowen Hu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, People’s Republic of China
| | - Weiwei Yang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, People’s Republic of China
| | - Degong Kong
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, People’s Republic of China
| | - Haiping Xia
- Shenzhen Grubbs Institute, Department of Chemistry, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Dafa Chen
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, People’s Republic of China
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36
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Ramirez BL, Lu CC. Rare-Earth Supported Nickel Catalysts for Alkyne Semihydrogenation: Chemo- and Regioselectivity Impacted by the Lewis Acidity and Size of the Support. J Am Chem Soc 2020; 142:5396-5407. [DOI: 10.1021/jacs.0c00905] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Bianca L. Ramirez
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
| | - Connie C. Lu
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
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37
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Thiel NO, Kaewmee B, Tran Ngoc T, Teichert JF. A Simple Nickel Catalyst Enabling an E-Selective Alkyne Semihydrogenation. Chemistry 2020; 26:1597-1603. [PMID: 31691388 PMCID: PMC7027572 DOI: 10.1002/chem.201903850] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Indexed: 12/19/2022]
Abstract
Stereoselective alkyne semihydrogenations are attractive approaches to alkenes, which are key building blocks for synthesis. With regards to the most atom-economic reducing agent dihydrogen (H2 ), only few catalysts for the challenging E-selective alkyne semihydrogenation have been disclosed, each with a unique substrate scope profile. Here, we show that a commercially available nickel catalyst facilitates the E-selective alkyne semihydrogenation of a wide variety of substituted internal alkynes. This results in a simple and broadly applicable overall protocol to stereoselectively access E-alkenes employing H2 , which could serve as a general method for synthesis.
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Affiliation(s)
- Niklas O. Thiel
- Institut für ChemieTechnische Universität BerlinStrasse des 17. Juni 11510623BerlinGermany
| | - Benyapa Kaewmee
- Institut für ChemieTechnische Universität BerlinStrasse des 17. Juni 11510623BerlinGermany
| | - Trung Tran Ngoc
- Institut für ChemieTechnische Universität BerlinStrasse des 17. Juni 11510623BerlinGermany
| | - Johannes F. Teichert
- Institut für ChemieTechnische Universität BerlinStrasse des 17. Juni 11510623BerlinGermany
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38
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Shi X, Wen X, Nie S, Dong J, Li J, Shi Y, Zhang H, Bai G. Fabrication of Ni3N nanorods anchored on N-doped carbon for selective semi-hydrogenation of alkynes. J Catal 2020. [DOI: 10.1016/j.jcat.2019.12.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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39
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Tian W, He Y, Song X, Ding H, Ye J, Guo W, Xiao Q. cis
‐Selective Transfer Semihydrogenation of Alkynes by Merging Visible‐Light Catalysis with Cobalt Catalysis. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901562] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Wan‐Fa Tian
- Institute of Organic ChemistryJiangxi Science & Technology Normal UniversityKey Laboratory of Organic Chemistry, Jiangxi Province Nanchang 330013, People's Republic of China
| | - Yong‐Qin He
- School of Pharmaceutical ScienceNanchang University Nanchang 330006 People's Republic of China
| | - Xian‐Rong Song
- Institute of Organic ChemistryJiangxi Science & Technology Normal UniversityKey Laboratory of Organic Chemistry, Jiangxi Province Nanchang 330013, People's Republic of China
| | - Hai‐Xin Ding
- Institute of Organic ChemistryJiangxi Science & Technology Normal UniversityKey Laboratory of Organic Chemistry, Jiangxi Province Nanchang 330013, People's Republic of China
| | - Jing Ye
- Institute of Organic ChemistryJiangxi Science & Technology Normal UniversityKey Laboratory of Organic Chemistry, Jiangxi Province Nanchang 330013, People's Republic of China
| | - Wen‐Jie Guo
- Institute of Organic ChemistryJiangxi Science & Technology Normal UniversityKey Laboratory of Organic Chemistry, Jiangxi Province Nanchang 330013, People's Republic of China
| | - Qiang Xiao
- Institute of Organic ChemistryJiangxi Science & Technology Normal UniversityKey Laboratory of Organic Chemistry, Jiangxi Province Nanchang 330013, People's Republic of China
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40
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Decker D, Drexler HJ, Heller D, Beweries T. Homogeneous catalytic transfer semihydrogenation of alkynes – an overview of hydrogen sources, catalysts and reaction mechanisms. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01276a] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chemoselective semihydrogenation of alkynes to alkenes with E- or Z-stereoselectivity is among the most important transformations in the synthesis of highly functional organic building blocks.
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Affiliation(s)
- David Decker
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
| | | | - Detlef Heller
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
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41
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Garbe M, Budweg S, Papa V, Wei Z, Hornke H, Bachmann S, Scalone M, Spannenberg A, Jiao H, Junge K, Beller M. Chemoselective semihydrogenation of alkynes catalyzed by manganese(i)-PNP pincer complexes. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00992j] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A first homogeneous manganese catalyzed chemoselective semihydrogenation of alkynes to Z-olefins in the presence of molecular hydrogen is described.
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Affiliation(s)
| | | | | | - Zhihong Wei
- Leibniz-Institut für Katalyse e.V
- Rostock
- Germany
| | | | - Stephan Bachmann
- F. Hoffmann-La Roche AG
- Department of Process Chemistry & Catalysis
- Basel
- Switzerland
| | - Michelangelo Scalone
- F. Hoffmann-La Roche AG
- Department of Process Chemistry & Catalysis
- Basel
- Switzerland
| | | | - Haijun Jiao
- Leibniz-Institut für Katalyse e.V
- Rostock
- Germany
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42
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Song F, Wang F, Guo L, Feng X, Zhang Y, Chu L. Visible-Light-Enabled Stereodivergent Synthesis of E- and Z-Configured 1,4-Dienes by Photoredox/Nickel Dual Catalysis. Angew Chem Int Ed Engl 2019; 59:177-181. [PMID: 31654458 DOI: 10.1002/anie.201909543] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/16/2019] [Indexed: 12/11/2022]
Abstract
A stereodivergent reductive coupling reaction between allylic carbonates and vinyl triflates to furnish both E- and Z-configured 1,4-dienes has been achieved by visible-light-induced photoredox/nickel dual catalysis. The mild reaction conditions allow good compatibility of both vinyl triflates and allylic carbonates. Notably, the stereoselectivity of this synergistic cross-electrophile coupling can be tuned by an appropriate photocatalyst with a suitable triplet-state energy, providing a practical and stereodivergent means to alkene synthesis. Preliminary mechanistic studies shed some light on the coupling step as well as the control of the stereoselectivity step.
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Affiliation(s)
- Fan Song
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Fang Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Lei Guo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Xiaoliang Feng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Yanyan Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Lingling Chu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
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43
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Song F, Wang F, Guo L, Feng X, Zhang Y, Chu L. Visible‐Light‐Enabled Stereodivergent Synthesis of
E
‐ and
Z
‐Configured 1,4‐Dienes by Photoredox/Nickel Dual Catalysis. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909543] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Fan Song
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
| | - Fang Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
| | - Lei Guo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
| | - Xiaoliang Feng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
| | - Yanyan Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
| | - Lingling Chu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry, Chemical Engineering and Biotechnology Donghua University Shanghai 201620 China
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44
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45
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Kaicharla T, Zimmermann BM, Oestreich M, Teichert JF. Using alcohols as simple H 2-equivalents for copper-catalysed transfer semihydrogenations of alkynes. Chem Commun (Camb) 2019; 55:13410-13413. [PMID: 31638107 DOI: 10.1039/c9cc06637c] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Copper(i)/N-heterocyclic carbene complexes enable a transfer semihydrogenation of alkynes employing simple and readily available alcohols such as isopropanol. The practical overall protocol circumvents the use of commonly employed high pressure equipment when using dihydrogen (H2) on the one hand, and avoids the generation of stoichiometric silicon-based waste on the other hand, when hydrosilanes are used as terminal reductants.
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Affiliation(s)
- Trinadh Kaicharla
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany.
| | - Birte M Zimmermann
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany.
| | - Martin Oestreich
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany.
| | - Johannes F Teichert
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany.
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46
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Corpas J, Quirós MT, Mauleón P, Gómez Arrayás R, Carretero JC. Metal- and Photocatalysis To Gain Regiocontrol and Stereodivergence in Hydroarylations of Unsymmetrical Dialkyl Alkynes. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02768] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Javier Corpas
- Department of Organic Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Cantoblanco 28049, Madrid, Spain
| | - M. Teresa Quirós
- Department of Organic Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Cantoblanco 28049, Madrid, Spain
| | - Pablo Mauleón
- Department of Organic Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Cantoblanco 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), Cantoblanco 28049, Madrid, Spain
| | - Ramón Gómez Arrayás
- Department of Organic Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Cantoblanco 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), Cantoblanco 28049, Madrid, Spain
| | - Juan C. Carretero
- Department of Organic Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid (UAM), Cantoblanco 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid (UAM), Cantoblanco 28049, Madrid, Spain
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