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Ward DJ, Marseglia M, Saccomando DJ, Walker G, Mansell SM. Manganese 2-phosphinophosphinine precatalysts for methanol/ethanol upgrading to isobutanol. Dalton Trans 2024; 53:16598-16609. [PMID: 39344892 DOI: 10.1039/d4dt02142h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2024]
Abstract
Two Mn-phosphinophosphinine complexes were synthesised from reaction of the proligand with [MnBr(CO)5] at 80 °C for 2 h; 2-diphenylphosphino-3-methyl-6-trimethylsilylphosphinine manganese tricarbonyl bromide (2TMS) and 2-diphenylphosphino-3-methyl-phosphinine manganese tricarbonyl bromide (2H). 31P{1H} NMR spectroscopy revealed characteristic chemical shifts for the phosphinine and phosphine donors bound to Mn (255.4 and 23.7 ppm for 2TMS; 234.2 and 24.8 ppm for 2H), and single crystal X-ray diffraction established the structure of the chelating complex 2TMS. Rapid reaction of both complexes with water was observed with 2TMS reacting to eventually yield a single product, syn-3TMS, from the syn-1,2-addition of water across the PC multiple bond on the bromide face, confirmed by X-ray diffraction for both an unsolvated and solvated structure, where MeOH was found to be H-bonding to the P-OH functionality. The reaction of 2R with dry methanol gave multiple products that were not in equilibrium with each other, and the molecular structure of one isomer was definitively established by X-ray diffraction as an unusual 1,4-addition product (1,4-4TMS). However, reaction of 2R with methanol in the presence of trace water showed that hydrolysis products 3R were formed preferentially. Both phosphinine complexes acted as pre-catalysts for the Guerbet upgrading of methanol/ethanol to isobutanol at 180 °C over 90 h, giving yields of isobutanol (based on moles of ethanol) of 22% for 2TMS and 27% for 2H. This is superior to known Mn dppm complexes [dppm = bis(diphenylphosphino)methane], including the 21% yield recorded for the best derivative [MnBr(κ2-PPh2C(H)PhPPh2)(CO)3] shown to date.
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Affiliation(s)
- Daniel J Ward
- Institute of Chemical Sciences, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, UK.
| | - Margot Marseglia
- Institute of Chemical Sciences, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, UK.
| | - Daniel J Saccomando
- Lubrizol Limited, The Knowle, Nether Lane Hazelwood, Derby, Derbyshire, DE56 4AN, UK
| | - Gary Walker
- Lubrizol Limited, The Knowle, Nether Lane Hazelwood, Derby, Derbyshire, DE56 4AN, UK
| | - Stephen M Mansell
- Institute of Chemical Sciences, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, UK.
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Smirnov IV, Biriukov KO, Shvydkiy NV, Perekalin DS, Afanasyev OI, Chusov D. Air-Stable Arene Manganese Complexes as Catalysts for the Syngas-Assisted Direct Reductive Amination, Cyanation of Aldehyde, and CO 2 Fixation by Epoxide with High Functional Groups Tolerance. J Org Chem 2024; 89:10338-10343. [PMID: 38943599 DOI: 10.1021/acs.joc.4c00842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2024]
Abstract
Manganese complexes [(arene)Mn(CO)3]+ were prepared in one step from arenes and Mn(CO)5Br. They were found to be efficient catalysts in the carbonyl cyanation with TMSCN, CO2 fixation by epoxides, and direct reductive amination in the presence of syngas. The amination reaction tolerated various reducible functional groups. The synergy of carbon monoxide and hydrogen in syngas provides high efficiency of the catalytic system. The developed protocols do not require an inert atmosphere, and the catalysts can be handled in air.
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Affiliation(s)
- Ivan V Smirnov
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, bld. 1, INEOS, Moscow 119334, Russia
- National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
| | - Klim O Biriukov
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, bld. 1, INEOS, Moscow 119334, Russia
| | - Nikita V Shvydkiy
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, bld. 1, INEOS, Moscow 119334, Russia
| | - Dmitry S Perekalin
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, bld. 1, INEOS, Moscow 119334, Russia
- National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
| | - Oleg I Afanasyev
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, bld. 1, INEOS, Moscow 119334, Russia
- Plekhanov Russian University of Economics, Stremyanny per. 36, Moscow 117997, Russian Federation
| | - Denis Chusov
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, bld. 1, INEOS, Moscow 119334, Russia
- National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
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Gulyaeva ES, Buhaibeh R, Boundor M, Azouzi K, Willot J, Bastin S, Duhayon C, Lugan N, Filippov OA, Sortais JB, Valyaev DA, Canac Y. Impact of the Methylene Bridge Substitution in Chelating NHC-Phosphine Mn(I) Catalyst for Ketone Hydrogenation. Chemistry 2024; 30:e202304201. [PMID: 38314964 DOI: 10.1002/chem.202304201] [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: 12/17/2023] [Revised: 02/03/2024] [Accepted: 02/05/2024] [Indexed: 02/07/2024]
Abstract
Systematic modification of the chelating NHC-phosphine ligand (NHC = N-heterocyclic carbene) in highly efficient ketone hydrogenation Mn(I) catalyst fac-[(Ph2PCH2NHC)Mn(CO)3Br] has been performed and the catalytic activity of the resulting complexes was evaluated using acetophenone as a benchmark substrate. While the variation of phosphine and NHC moieties led to inferior results than for a parent system, the incorporation of a phenyl substituent into the ligand methylene bridge improved catalytic performance by ca. 3 times providing maximal TON values in the range of 15000-20000. Mechanistic investigation combining experimental and computational studies allowed to rationalize this beneficial effect as an enhanced stabilization of reaction intermediates including anionic hydride species fac-[(Ph2PC(Ph)NHC)Mn(CO)3H]- playing a crucial role in the hydrogenation process. These results highlight the interest of such carbon bridge substitution strategy being rarely employed in the design of chemically non-innocent ligands.
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Affiliation(s)
- Ekaterina S Gulyaeva
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
- A. N. Nesmeyanov Institute of Organoelement Compounds (INEOS), Russian Academy of Sciences, 28/1 Vavilov str., GSP-1, B-334, Moscow, 119334, Russia
| | - Ruqaya Buhaibeh
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Mohamed Boundor
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Karim Azouzi
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Jérémy Willot
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Stéphanie Bastin
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Carine Duhayon
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Noël Lugan
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Oleg A Filippov
- A. N. Nesmeyanov Institute of Organoelement Compounds (INEOS), Russian Academy of Sciences, 28/1 Vavilov str., GSP-1, B-334, Moscow, 119334, Russia
| | - Jean-Baptiste Sortais
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
- Institut Universitaire de France, 1 rue Descartes, 75231, Paris Cedex 5, France
| | - Dmitry A Valyaev
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Yves Canac
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
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Gulyaeva ES, Osipova ES, Kovalenko SA, Filippov OA, Belkova NV, Vendier L, Canac Y, Shubina ES, Valyaev DA. Two active species from a single metal halide precursor: a case study of highly productive Mn-catalyzed dehydrogenation of amine-boranes via intermolecular bimetallic cooperation. Chem Sci 2024; 15:1409-1417. [PMID: 38274083 PMCID: PMC10806649 DOI: 10.1039/d3sc05356c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/06/2023] [Indexed: 01/27/2024] Open
Abstract
Metal-metal cooperation for inert bond activation is a ubiquitous concept in coordination chemistry and catalysis. While the great majority of such transformations proceed via intramolecular mode in binuclear complexes, to date only a few examples of intermolecular small molecule activation using usually bimetallic frustrated Lewis pairs (Mδ+⋯M'δ-) have been reported. We introduce herein an alternative approach for the intermolecular bimetallic cooperativity observed in the catalytic dehydrogenation of amine-boranes, in which the concomitant activation of N-H and B-H bonds of the substrate via the synergetic action of Lewis acidic (M+) and basic hydride (M-H) metal species derived from the same mononuclear complex (M-Br). It was also demonstrated that this system generated in situ from the air-stable Mn(i) complex fac-[(CO)3(bis(NHC))MnBr] and NaBPh4 shows high activity for H2 production from several substrates (Me2NHBH3, tBuNH2BH3, MeNH2BH3, NH3BH3) at low catalyst loading (0.1% to 50 ppm), providing outstanding efficiency for Me2NHBH3 (TON up to 18 200) that is largely superior to all known 3d-, s-, p-, f-block metal derivatives and frustrated Lewis pairs (FLPs). These results represent a step forward towards more extensive use of intermolecular bimetallic cooperation concepts in modern homogeneous catalysis.
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Affiliation(s)
- Ekaterina S Gulyaeva
- LCC-CNRS, Université de Toulouse, CNRS, UPS 205 Route de Narbonne 31077 Toulouse Cedex 4 France
- A. N. Nesmeyanov Institute of Organoelement Compounds (INEOS), Russian Academy of Sciences 28/1 Vavilov Str., GSP-1, B-334 Moscow 119334 Russia
| | - Elena S Osipova
- A. N. Nesmeyanov Institute of Organoelement Compounds (INEOS), Russian Academy of Sciences 28/1 Vavilov Str., GSP-1, B-334 Moscow 119334 Russia
| | - Sergey A Kovalenko
- A. N. Nesmeyanov Institute of Organoelement Compounds (INEOS), Russian Academy of Sciences 28/1 Vavilov Str., GSP-1, B-334 Moscow 119334 Russia
| | - Oleg A Filippov
- A. N. Nesmeyanov Institute of Organoelement Compounds (INEOS), Russian Academy of Sciences 28/1 Vavilov Str., GSP-1, B-334 Moscow 119334 Russia
| | - Natalia V Belkova
- A. N. Nesmeyanov Institute of Organoelement Compounds (INEOS), Russian Academy of Sciences 28/1 Vavilov Str., GSP-1, B-334 Moscow 119334 Russia
| | - Laure Vendier
- LCC-CNRS, Université de Toulouse, CNRS, UPS 205 Route de Narbonne 31077 Toulouse Cedex 4 France
| | - Yves Canac
- LCC-CNRS, Université de Toulouse, CNRS, UPS 205 Route de Narbonne 31077 Toulouse Cedex 4 France
| | - Elena S Shubina
- A. N. Nesmeyanov Institute of Organoelement Compounds (INEOS), Russian Academy of Sciences 28/1 Vavilov Str., GSP-1, B-334 Moscow 119334 Russia
| | - Dmitry A Valyaev
- LCC-CNRS, Université de Toulouse, CNRS, UPS 205 Route de Narbonne 31077 Toulouse Cedex 4 France
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Chatelain L, Arrigoni F, Schollhammer P, Zampella G. C-Cl Bond Activation at Rotated vs Unrotated Dinuclear Site Related to [FeFe]-Hydrogenases. Inorg Chem 2023; 62:20913-20918. [PMID: 38047903 DOI: 10.1021/acs.inorgchem.3c03481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
The novel dinuclear complex related to the [FeFe]-hydrogenases active site, [Fe2(μ-pdt)(κ2-dmpe)2(CO)2] (1), is highly reactive toward chlorinated compounds CHxCl4-x (x = 1, 2) affording selectively terminal or bridging chloro diiron isomers through a C-Cl bond activation. DFT calculations suggest a cooperative mechanism involving a formal concerted regioselective chloronium transfer depending on the unrotated or rotated conformation of two isomers of 1.
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Affiliation(s)
- Lucile Chatelain
- UMR CNRS 6521 Chimie, Electrochimie Moléculaires et Chimie Analytique, Université de Bretagne Occidentale, 6 Avenue Victor le Gorgeu, CS93837, Brest-Cedex 3, 29238 Brest, France
| | - Federica Arrigoni
- Department of Biotechnology and Bioscience, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Philippe Schollhammer
- UMR CNRS 6521 Chimie, Electrochimie Moléculaires et Chimie Analytique, Université de Bretagne Occidentale, 6 Avenue Victor le Gorgeu, CS93837, Brest-Cedex 3, 29238 Brest, France
| | - Giuseppe Zampella
- Department of Biotechnology and Bioscience, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
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Osipova ES, Kovalenko SA, Gulyaeva ES, Kireev NV, Pavlov AA, Filippov OA, Danshina AA, Valyaev DA, Canac Y, Shubina ES, Belkova NV. The Dichotomy of Mn-H Bond Cleavage and Kinetic Hydricity of Tricarbonyl Manganese Hydride Complexes. Molecules 2023; 28:molecules28083368. [PMID: 37110601 PMCID: PMC10143952 DOI: 10.3390/molecules28083368] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/04/2023] [Accepted: 04/08/2023] [Indexed: 04/29/2023] Open
Abstract
Acid-base characteristics (acidity, pKa, and hydricity, ΔG°H- or kH-) of metal hydride complexes could be a helpful value for forecasting their activity in various catalytic reactions. Polarity of the M-H bond may change radically at the stage of formation of a non-covalent adduct with an acidic/basic partner. This stage is responsible for subsequent hydrogen ion (hydride or proton) transfer. Here, the reaction of tricarbonyl manganese hydrides mer,trans-[L2Mn(CO)3H] (1; L = P(OPh)3, 2; L = PPh3) and fac-[(L-L')Mn(CO)3H] (3, L-L' = Ph2PCH2PPh2 (dppm); 4, L-L' = Ph2PCH2-NHC) with organic bases and Lewis acid (B(C6F5)3) was explored by spectroscopic (IR, NMR) methods to find the conditions for the Mn-H bond repolarization. Complex 1, bearing phosphite ligands, features acidic properties (pKa 21.3) but can serve also as a hydride donor (ΔG≠298K = 19.8 kcal/mol). Complex 3 with pronounced hydride character can be deprotonated with KHMDS at the CH2-bridge position in THF and at the Mn-H position in MeCN. The kinetic hydricity of manganese complexes 1-4 increases in the order mer,trans-[(P(OPh)3)2Mn(CO)3H] (1) < mer,trans-[(PPh3)2Mn(CO)3H] (2) ≈ fac-[(dppm)Mn(CO)3H] (3) < fac-[(Ph2PCH2NHC)Mn(CO)3H] (4), corresponding to the gain of the phosphorus ligand electron-donor properties.
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Affiliation(s)
- Elena S Osipova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 28, Vavilova Str., 119334 Moscow, Russia
| | - Sergey A Kovalenko
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 28, Vavilova Str., 119334 Moscow, Russia
| | - Ekaterina S Gulyaeva
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 28, Vavilova Str., 119334 Moscow, Russia
- LCC-CNRS, Université de Toulouse, CNRS, 205 Route de Narbonne, CEDEX 4, 31077 Toulouse, France
| | - Nikolay V Kireev
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 28, Vavilova Str., 119334 Moscow, Russia
| | - Alexander A Pavlov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 28, Vavilova Str., 119334 Moscow, Russia
- Center of National Technological Initiative, Bauman Moscow State Technical University, 2nd Baumanskaya Str., 5, 105005 Moscow, Russia
| | - Oleg A Filippov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 28, Vavilova Str., 119334 Moscow, Russia
| | - Anastasia A Danshina
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 28, Vavilova Str., 119334 Moscow, Russia
- Moscow Institute of Physics and Technology, Institutskiy per., 9, 141700 Dolgoprudny, Russia
| | - Dmitry A Valyaev
- LCC-CNRS, Université de Toulouse, CNRS, 205 Route de Narbonne, CEDEX 4, 31077 Toulouse, France
| | - Yves Canac
- LCC-CNRS, Université de Toulouse, CNRS, 205 Route de Narbonne, CEDEX 4, 31077 Toulouse, France
| | - Elena S Shubina
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 28, Vavilova Str., 119334 Moscow, Russia
| | - Natalia V Belkova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 28, Vavilova Str., 119334 Moscow, Russia
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