1
|
Werley BK, Hou X, Bertonazzi EP, Chianese A, Funk TW. Substituent Effects and Mechanistic Insights on the Catalytic Activities of (Tetraarylcyclopentadienone)iron Carbonyl Compounds in Transfer Hydrogenations and Dehydrogenations. Organometallics 2023; 42:3053-3065. [PMID: 38028505 PMCID: PMC10647929 DOI: 10.1021/acs.organomet.3c00284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Indexed: 12/01/2023]
Abstract
(Cyclopentadienone)iron carbonyl compounds are catalytically active in carbonyl/imine reductions, alcohol oxidations, and borrowing hydrogen reactions, but the effect of cyclopentadienone electronics on their activity is not well established. A series of (tetraarylcyclopentadienone)iron tricarbonyl compounds with varied electron densities on the cyclopentadienone were prepared, and their activities in transfer hydrogenations and dehydrogenations were explored. Additionally, mechanistic studies, including kinetic isotope effect experiments and modifications to substrate electronics, were undertaken to gain insights into catalyst resting states and turnover-limiting steps of these reactions. As the cyclopentadienone electron density increased, both the transfer hydrogenation and dehydrogenation rates increased. A catalytically relevant, trimethylamine-ligated iron compound was isolated and characterized and was observed in solution under both transfer hydrogenation and dehydrogenation conditions. Importantly, it was catalytically active in both reactions. Kinetic isotope effect data and initial rates in transfer hydrogenation reactions with 4'-substituted acetophenones provided evidence that hydrogen transfer from the catalyst to the carbonyl substrate occurred during the turnover-limiting step, and NMR spectroscopy supports the trimethylamine adduct as an off-cycle resting state and the (hydroxycyclopentadienyl)iron hydride as an on-cycle resting state. In transfer dehydrogenations of alcohols, the use of electronically modified benzylic alcohols provided evidence that the turnover-limiting step involves the transfer of hydrogen from the alcohol substrate to the catalyst. The trimethylamine-ligated compound was proposed as the primary catalyst resting state in dehydrogenations.
Collapse
Affiliation(s)
- Bryn K. Werley
- Department
of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States
| | - Xintong Hou
- Department
of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States
| | - Evan P. Bertonazzi
- Department
of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States
| | - Anthony Chianese
- Department
of Chemistry, Colgate University, Hamilton, New York 13346, United States
| | - Timothy W. Funk
- Department
of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States
| |
Collapse
|
2
|
Hackl L, Ho LP, Bockhardt D, Bannenberg T, Tamm M. Tetraaminocyclopentadienone Iron Complexes as Hydrogenation Catalysts. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00075] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ludwig Hackl
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Luong Phong Ho
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Dustin Bockhardt
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Thomas Bannenberg
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Matthias Tamm
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| |
Collapse
|
3
|
Tadiello L, Gandini T, Stadler BM, Tin S, Jiao H, de Vries JG, Pignataro L, Gennari C. Regiodivergent Reductive Opening of Epoxides by Catalytic Hydrogenation Promoted by a (Cyclopentadienone)iron Complex. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03549] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Laura Tadiello
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| | - Tommaso Gandini
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| | - Bernhard M. Stadler
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Sergey Tin
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Johannes G. de Vries
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Luca Pignataro
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| | - Cesare Gennari
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| |
Collapse
|
4
|
Fusi GM, Gazzola S, Piarulli U. Chiral Iron Complexes in Asymmetric Organic Transformations. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100995] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Giovanni Maria Fusi
- Dipartimento di Scienza e Alta Tecnologia Università degli Studi dell'Insubria Via Valleggio 11 22100 Como, Italy
| | - Silvia Gazzola
- Dipartimento di Scienza e Alta Tecnologia Università degli Studi dell'Insubria Via Valleggio 11 22100 Como, Italy
| | - Umberto Piarulli
- Dipartimento di Scienza e Alta Tecnologia Università degli Studi dell'Insubria Via Valleggio 11 22100 Como, Italy
| |
Collapse
|
5
|
|
6
|
Akter M, Anbarasan P. (Cyclopentadienone)iron Complexes: Synthesis, Mechanism and Applications in Organic Synthesis. Chem Asian J 2021; 16:1703-1724. [PMID: 33999506 DOI: 10.1002/asia.202100400] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/12/2021] [Indexed: 12/22/2022]
Abstract
(Cyclopentadienone)iron tricarbonyl complexes are catalytically active, inexpensive, easily accessible and air-stable that are extensively studied as an active pre-catalyst in homogeneous catalysis. Its versatile catalytic activity arises exclusively due to the presence of a non-innocent ligand, which can trigger its unique redox properties effectively. These complexes have been employed widely in (transfer)hydrogenation (e. g., reduction of polar multiple bonds, Oppenauer-type oxidation of alcohols), C-C and C-N bond formation (e. g., reductive aminations, α-alkylation of ketones) and other synthetic transformations. In this review, we discuss the remarkable advancement of its various synthetic applications along with synthesis and mechanistic studies, until February 2021.
Collapse
Affiliation(s)
- Monalisa Akter
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Pazhamalai Anbarasan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
| |
Collapse
|
7
|
Coufourier S, Ndiaye D, Gaillard QG, Bettoni L, Joly N, Mbaye MD, Poater A, Gaillard S, Renaud JL. Iron-catalyzed chemoselective hydride transfer reactions. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132187] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
|
8
|
Agbossou-Niedercorn F, Michon C. Bifunctional homogeneous catalysts based on first row transition metals in asymmetric hydrogenation. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213523] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
9
|
Pignataro L, Gennari C. Recent Catalytic Applications of (Cyclopentadienone)iron Complexes. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901925] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Luca Pignataro
- Dipartimento di Chimica; Università degli Studi di Milano; Via C. Golgi 19-20133 Milan Italy
| | - Cesare Gennari
- Dipartimento di Chimica; Università degli Studi di Milano; Via C. Golgi 19-20133 Milan Italy
| |
Collapse
|
10
|
Synthesis and Catalytic Application of Knölker-Type Iron Complexes with a Novel Asymmetric Cyclopentadienone Ligand Design. Catalysts 2019. [DOI: 10.3390/catal9100790] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Asymmetric catalysis is an essential tool in modern chemistry, but increasing environmental concerns demand the development of new catalysts based on cheap, abundant, and less toxic iron. As a result, Knölker-type catalysts have emerged as a promising class of iron catalysts for various chemical transformations, notably the hydrogenation of carbonyls and imines, while asymmetric versions are still under exploration to achieve optimal enantio-selectivities. In this work, we report a novel asymmetric design of a Knölker-type catalyst, in which the C2-rotational symmetric cyclopentadienone ligand possesses chiral substituents on the 2- and 5-positions near the active site. Four examples of the highly modular catalyst design were synthesized via standard organic procedures, and their structures were confirmed with NMR, IR, MS, and polarimetry analysis. Density functional theory (DFT) calculations were conducted to elucidate the spatial conformation of the catalysts, and therewith to rationalize the influence of structural alterations. Transfer- and H2-mediated hydrogenations were successfully established, leading to appreciable enantiomeric excesses (ee) values up to 70%. Amongst all reported Knölker-type catalysts, our catalyst design achieves one of the highest ee values for hydrogenation of acetophenone and related compounds.
Collapse
|
11
|
Wei D, Bruneau‐Voisine A, Dubois M, Bastin S, Sortais J. Manganese‐Catalyzed Transfer Hydrogenation of Aldimines. ChemCatChem 2019. [DOI: 10.1002/cctc.201900314] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Duo Wei
- Univ RennesCNRS, ISCR – UMR 6226 35000 Rennes France
- LCC-CNRS, CNRS, UPSUniversité de Toulouse Toulouse France
| | - Antoine Bruneau‐Voisine
- Univ RennesCNRS, ISCR – UMR 6226 35000 Rennes France
- LCC-CNRS, CNRS, UPSUniversité de Toulouse Toulouse France
| | - Maxime Dubois
- LCC-CNRS, CNRS, UPSUniversité de Toulouse Toulouse France
| | | | - Jean‐Baptiste Sortais
- LCC-CNRS, CNRS, UPSUniversité de Toulouse Toulouse France
- Institut Universitaire de France 1 rue Descartes 75231 Paris Cedex 05 France
| |
Collapse
|