1
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Horváth Á, Benkő Z. Understanding the Mechanism of Diels-Alder Reactions with Anionic Dienophiles: A Systematic Comparison of [ECX] - (E = P, As; X = O, S, Se) Anions. Inorg Chem 2022; 61:7922-7934. [PMID: 35533395 PMCID: PMC9131451 DOI: 10.1021/acs.inorgchem.2c00549] [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] [Indexed: 11/28/2022]
Abstract
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While Diels–Alder
(DA) reactions involving neutral or cationic
dienophiles are well-known, the characteristics of the analogous reactions
with anionic dienophiles are practically unexplored. Herein we present
the first comparative computational investigations on the characteristics
of DA cycloadditions with anionic dienophiles on the basis of the
reactions of [ECX]− anions (E = P, As; X = O, S,
Se) with 2H-pyran-2-one. All of these reactions were
found to be both kinetically and thermodynamically feasible, enabling
synthetic access toward 2-phosphaphenolate and arsaphenolate derivatives
in the future. This study also reveals that the [ECO]− anions show clear regioselectivity, while for [ECS]− and [ECSe]− anions, the two possible reaction
channels have very similar energetics. Additionally, the activation
barriers for the [ECO]− anions are lower than those
of the heavier analogues. The observed differences can be traced back
to the starkly differing nucleophilic character of the pnictogen center
in the anions, leading to a barrier-lowering effect in the case of
the [ECO]− anions. Furthermore, analysis of the
geometries and electron distributions of the corresponding transition
states revealed structure–property relationships, and thus
a direct comparison of the cycloaddition reactivity of these anions
was achieved. Along one of the two pathways, a good correlation was
found between the activation barriers and suitable nucleophilicity
descriptors (nucleophilic Parr function and global nucleophilicity).
Additionally, the tendency of the reaction energies can be explained
by the changing aromaticity of the products. In contrast to the phosphaethynolate [PCO]− anion, the cycloaddition reactivity of the heavier congeners ([ECX]−, where E = P, As and X = O, S, Se) is unexplored.
In this computational study, the Diels−Alder reaction between
the known [ECX]− anions and 2-pyrone was employed
to compare the reactivity patterns. The first activation barrier of
these reactions correlates with the nucleophilicity of the anions,
indicating a barrier-lowering effect. The feasibility of the studied
reactions, leading to P and As heterocycles, was also explored.
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Affiliation(s)
- Ádám Horváth
- Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Müegyetem rkp. 3, Budapest H-1111, Hungary
| | - Zoltán Benkő
- Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Müegyetem rkp. 3, Budapest H-1111, Hungary
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2
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Lin J, Wossidlo. F, Coles NT, Weber M, Steinhauer S, Böttcher T, Müller C. Borane Adducts of Aromatic Phosphorus Heterocycles: Synthesis, Crystallographic Characterization and Reactivity of a Phosphinine-B(C 6 F 5 ) 3 Lewis Pair. Chemistry 2022; 28:e202104135. [PMID: 34967480 PMCID: PMC9303379 DOI: 10.1002/chem.202104135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Indexed: 11/20/2022]
Abstract
A phosphinine-borane adduct of a Me3 Si-functionalized phosphinine and the Lewis acid B(C6 F5 )3 has been synthesized and characterized crystallographically for the first time. The reaction strongly depends on the nature of the substituents in the α-position of the phosphorus heterocycle. In contrast, the reaction of B2 H6 with various substituted phosphinines leads to an equilibrium between the starting materials and the phosphinine-borane adducts that is determined by the Lewis basicity of the phosphinine. The novel phosphinine borane adduct (6-B(C6 F5 )3 ) shows rapid and facile insertion and [4+2] cycloaddition reactivity towards phenylacetylene. A hitherto unknown dihydro-1-phosphabarrelene is formed with styrene. The reaction with an ester provides a new, facile and selective route to 1-R-phosphininium salts. These salts then undergo a [4+2] cycloaddition in the presence of Me3 Si-C≡CH and styrene to cleanly form unprecedented derivatives of 1-R-phosphabarrelenium salts.
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Affiliation(s)
- Jinxiong Lin
- Freie Universität BerlinInstitut für Chemie und BiochemieFabeckstr. 34/3614195BerlinGermany
| | - Friedrich Wossidlo.
- Freie Universität BerlinInstitut für Chemie und BiochemieFabeckstr. 34/3614195BerlinGermany
| | - Nathan T. Coles
- Freie Universität BerlinInstitut für Chemie und BiochemieFabeckstr. 34/3614195BerlinGermany
- School of ChemistryUniversity of NottinghamUniversity Park CampusNottinghamNG7 2RDUK
| | - Manuela Weber
- Freie Universität BerlinInstitut für Chemie und BiochemieFabeckstr. 34/3614195BerlinGermany
| | - Simon Steinhauer
- Freie Universität BerlinInstitut für Chemie und BiochemieFabeckstr. 34/3614195BerlinGermany
| | - Tobias Böttcher
- Institut für Anorganische und Analytische ChemieUniversität FreiburgAlbertstrasse 2179104FreiburgGermany
| | - Christian Müller
- Freie Universität BerlinInstitut für Chemie und BiochemieFabeckstr. 34/3614195BerlinGermany
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3
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Dobler D, Leitner M, Moor N, Reiser O. 2‐Pyrone – A Privileged Heterocycle and Widespread Motif in Nature. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101112] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Daniel Dobler
- Institut für Organische Chemie Universität Regensburg Universitätsstr. 31 93053 Regensburg Germany
| | - Michael Leitner
- Institut für Organische Chemie Universität Regensburg Universitätsstr. 31 93053 Regensburg Germany
| | - Natalija Moor
- Institut für Organische Chemie Universität Regensburg Universitätsstr. 31 93053 Regensburg Germany
| | - Oliver Reiser
- Institut für Organische Chemie Universität Regensburg Universitätsstr. 31 93053 Regensburg Germany
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4
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Gläsel T, Jiao H, Hapke M. Synthesis of Phosphinines from Co II-Catalyzed [2+2+2] Cycloaddition Reactions. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03483] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Tim Gläsel
- Institute for Catalysis (INCA), Johannes Kepler University Linz (JKU), Altenberger Strasse 69, A-4040 Linz, Austria
| | - Haijun Jiao
- Leibniz Institute for Catalysis e.V. (LIKAT), Albert-Einstein-Strasse 29a, D-18069 Rostock, Germany
| | - Marko Hapke
- Institute for Catalysis (INCA), Johannes Kepler University Linz (JKU), Altenberger Strasse 69, A-4040 Linz, Austria
- Leibniz Institute for Catalysis e.V. (LIKAT), Albert-Einstein-Strasse 29a, D-18069 Rostock, Germany
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5
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Fischer L, Wossidlo F, Frost D, Coles NT, Steinhauer S, Riedel S, Müller C. One-step methylation of aromatic phosphorus heterocycles: synthesis and crystallographic characterization of a 1-methyl-phosphininium salt. Chem Commun (Camb) 2021; 57:9522-9525. [PMID: 34546255 DOI: 10.1039/d1cc03892c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
For the first time, the direct synthesis of 1-methyl-phosphininium salts has been achieved by reacting aromatic λ3,σ2-phosphinines with the readily available dimethyl chloronium salt [(CH3)2Cl]+[Al(OTeF5)4]-. The remarkably high electrophilicity of the alkylation reagent in combination with the weakly coordinating pentafluoro-orthotelluratoaluminate anion offers excellent conditions for this one-step approach. Our simple and quantitative access to 1-methyl-phosphininium salts will pave the way to explore the chemistry of such reactive species in more detail.
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Affiliation(s)
- Lukas Fischer
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstrasse 34/36, Berlin 14195, Germany.
| | - Friedrich Wossidlo
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstrasse 34/36, Berlin 14195, Germany.
| | - Daniel Frost
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstrasse 34/36, Berlin 14195, Germany.
| | - Nathan T Coles
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstrasse 34/36, Berlin 14195, Germany.
| | - Simon Steinhauer
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstrasse 34/36, Berlin 14195, Germany.
| | - Sebastian Riedel
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstrasse 34/36, Berlin 14195, Germany.
| | - Christian Müller
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstrasse 34/36, Berlin 14195, Germany.
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6
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Wossidlo F, Frost DS, Lin J, Coles NT, Klimov K, Weber M, Böttcher T, Müller C. Making Aromatic Phosphorus Heterocycles More Basic and Nucleophilic: Synthesis, Characterization and Reactivity of the First Phosphinine Selenide. Chemistry 2021; 27:12788-12795. [PMID: 34251712 PMCID: PMC8518535 DOI: 10.1002/chem.202102390] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Indexed: 11/11/2022]
Abstract
The synthesis and isolation of a phosphinine selenide was achieved for the first time by reacting red selenium with 2,6-bis(trimethylsilyl)phosphinine. The rather large coupling constant of 1 JP,Se =883 Hz is in line with a P-Se bond of high s-character. The σ-electron donating Me3 Si-substituents significantly increase the energy of the phosphorus lone pair and hence its basicity, making the heterocycle considerably more basic and nucleophilic than the unsubstituted phosphinine C5 H5 P, as confirmed by the calculated gas phase basicities. NBO calculations further reveal that the lone pairs of the selenium atom are stabilized through donor-acceptor interactions with antibonding orbitals of the aromatic ring. The novel phosphinine selenide shows a distinct reactivity towards hexafluoro-2-butyne, Au(I)Cl as well as i PrOH. Our results pave the way for new perspectives in the chemistry of phosphorus in low coordination.
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Affiliation(s)
- Friedrich Wossidlo
- Institut für Chemie und Biochemie, Freie Universität Berlin Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Daniel S Frost
- Institut für Chemie und Biochemie, Freie Universität Berlin Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Jinxiong Lin
- Institut für Chemie und Biochemie, Freie Universität Berlin Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Nathan T Coles
- Institut für Chemie und Biochemie, Freie Universität Berlin Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Katrin Klimov
- Institut für Chemie und Biochemie, Freie Universität Berlin Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Manuela Weber
- Institut für Chemie und Biochemie, Freie Universität Berlin Fabeckstr. 34/36, 14195, Berlin, Germany
| | - Tobias Böttcher
- Institut für Anorganische und Analytische Chemie, Universität Freiburg, Albertstrasse 21, 79104, Freiburg, Germany
| | - Christian Müller
- Institut für Chemie und Biochemie, Freie Universität Berlin Fabeckstr. 34/36, 14195, Berlin, Germany
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7
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Coles NT, Sofie Abels A, Leitl J, Wolf R, Grützmacher H, Müller C. Phosphinine-based ligands: Recent developments in coordination chemistry and applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213729] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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8
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Giese S, Klimov K, Mikeházi A, Kelemen Z, Frost DS, Steinhauer S, Müller P, Nyulászi L, Müller C. 2‐(Dimethylamino)phosphinin: Ein phosphorhaltiges Anilinderivat. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Steven Giese
- Freie Universität Berlin Institut für Chemie und Biochemie Fabeckstraße 34/36 14195 Berlin Deutschland
| | - Katrin Klimov
- Freie Universität Berlin Institut für Chemie und Biochemie Fabeckstraße 34/36 14195 Berlin Deutschland
| | - Antal Mikeházi
- Department of Inorganic and Analytical Chemistry Budapest University of Technology and Economics and MTA-BME Computation Driven Chemistry Research Group Szt. Gellért tér 4 1111 Budapest Ungarn
| | - Zsolt Kelemen
- Department of Inorganic and Analytical Chemistry Budapest University of Technology and Economics and MTA-BME Computation Driven Chemistry Research Group Szt. Gellért tér 4 1111 Budapest Ungarn
| | - Daniel S. Frost
- Freie Universität Berlin Institut für Chemie und Biochemie Fabeckstraße 34/36 14195 Berlin Deutschland
| | - Simon Steinhauer
- Freie Universität Berlin Institut für Chemie und Biochemie Fabeckstraße 34/36 14195 Berlin Deutschland
| | - Peter Müller
- Department of Chemistry Massachusetts Institute of Technology 77 Massachusetts Avenue, 2-325 Cambridge MA 02139-4307 USA
| | - László Nyulászi
- Department of Inorganic and Analytical Chemistry Budapest University of Technology and Economics and MTA-BME Computation Driven Chemistry Research Group Szt. Gellért tér 4 1111 Budapest Ungarn
| | - Christian Müller
- Freie Universität Berlin Institut für Chemie und Biochemie Fabeckstraße 34/36 14195 Berlin Deutschland
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9
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Giese S, Klimov K, Mikeházi A, Kelemen Z, Frost DS, Steinhauer S, Müller P, Nyulászi L, Müller C. 2-(Dimethylamino)phosphinine: A Phosphorus-Containing Aniline Derivative. Angew Chem Int Ed Engl 2021; 60:3581-3586. [PMID: 33146935 DOI: 10.1002/anie.202014423] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Indexed: 11/09/2022]
Abstract
The yet unknown 2-amino-substituted λ3 ,σ2 -phosphinines are phosphorus-containing aniline derivatives. Calculations show that the strong interaction of the π-donating NR2 group with the aromatic system results in a high π-density at the phosphorus atom. We could now synthesize 2-N(CH3 )2 -functionalized phosphinines, starting from a 3-N(CH3 )2 -substituted 2-pyrone and (CH3 )3 Si-C≡P. Their reaction with CuBr⋅S(CH3 )2 affords CuI complexes with the first example of a neutral phosphinine acting as a rare bridging μ2 -P-4e donor-ligand between two CuI centers. Our experimental and theoretical investigations show that 2-aminophosphinines are missing links in the series of known 2-donor-functionalized phosphinines.
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Affiliation(s)
- Steven Giese
- Freie Universität Berlin, Institut für Chemie und Biochemie, Fabeckstrasse 34/36, 14195, Berlin, Germany
| | - Katrin Klimov
- Freie Universität Berlin, Institut für Chemie und Biochemie, Fabeckstrasse 34/36, 14195, Berlin, Germany
| | - Antal Mikeházi
- Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics and MTA-BME Computation Driven Chemistry Research Group, Szt. Gellért tér 4, 1111, Budapest, Hungary
| | - Zsolt Kelemen
- Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics and MTA-BME Computation Driven Chemistry Research Group, Szt. Gellért tér 4, 1111, Budapest, Hungary
| | - Daniel S Frost
- Freie Universität Berlin, Institut für Chemie und Biochemie, Fabeckstrasse 34/36, 14195, Berlin, Germany
| | - Simon Steinhauer
- Freie Universität Berlin, Institut für Chemie und Biochemie, Fabeckstrasse 34/36, 14195, Berlin, Germany
| | - Peter Müller
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, 2-325, Cambridge, MA, 02139-4307, USA
| | - László Nyulászi
- Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics and MTA-BME Computation Driven Chemistry Research Group, Szt. Gellért tér 4, 1111, Budapest, Hungary
| | - Christian Müller
- Freie Universität Berlin, Institut für Chemie und Biochemie, Fabeckstrasse 34/36, 14195, Berlin, Germany
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10
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Giese S, Buzsáki D, Nyulászi L, Müller C. Four consecutive reactions in one pot: cascade formation of an unprecedented triphosphatricyclo[3.2.1.0 2,7]oct-3-ene. Chem Commun (Camb) 2019; 55:13812-13815. [PMID: 31612181 DOI: 10.1039/c9cc07462g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A hitherto unknown triphosphatricyclo[3.2.1.02,7]oct-3-ene was obtained in high yield by a total of four consecutive pericyclic reactions from di-2-pyrone and excess TMS-C[triple bond, length as m-dash]P. DFT calculations gave insight into the reaction mechanism. The chiral phosphorus cage readily forms coordination compounds with Au(i) and Cu(i).
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Affiliation(s)
- Steven Giese
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstr. 34/36, 14195 Berlin, Germany.
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11
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Hansmann MM. Synthesis of Azaphosphinines by Directed Inverse‐Electron‐Demand Hetero‐Diels–Alder Reactions with Na(OCP). Chemistry 2018; 24:11573-11577. [DOI: 10.1002/chem.201802173] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 05/16/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Max M. Hansmann
- Georg-August Universität GöttingenInstitut für Organische und Biomolekulare Chemie Tammannstraße 2 37077 Göttingen Germany
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12
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Nagahora N, Goto S, Inatomi T, Tokumaru H, Matsubara K, Shioji K, Okuma K. Buchwald–Hartwig Amination of Phosphinines and the Effect of Amine Substituents on Optoelectronic Properties of the Resulting Coupling Products. J Org Chem 2018; 83:6373-6381. [DOI: 10.1021/acs.joc.8b00592] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Noriyoshi Nagahora
- Department of Chemistry, Faculty of Science, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
| | - Shoko Goto
- Department of Chemistry, Faculty of Science, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
| | - Takahiro Inatomi
- Department of Chemistry, Faculty of Science, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
| | - Hiroshi Tokumaru
- Department of Chemistry, Faculty of Science, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
| | - Kouki Matsubara
- Department of Chemistry, Faculty of Science, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
| | - Kosei Shioji
- Department of Chemistry, Faculty of Science, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
| | - Kentaro Okuma
- Department of Chemistry, Faculty of Science, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
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13
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Chen X, Li Z, Grützmacher H. Multidentate Phosphanyl Phosphinines: Synthesis and Properties. Chemistry 2018; 24:8432-8437. [DOI: 10.1002/chem.201801225] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Indexed: 01/24/2023]
Affiliation(s)
- Xiaodan Chen
- College of Chemistry and Materials Science; Jinan University; 510632 Guangzhou P.R. China
| | - Zhongshu Li
- Lehn Institute of Functional Materials (LIFM); School of Chemistry; Sun Yat-Sen University 510275 Guangzhou P.R. China
| | - Hansjörg Grützmacher
- Lehn Institute of Functional Materials (LIFM); School of Chemistry; Sun Yat-Sen University 510275 Guangzhou P.R. China
- Department of Chemistry and Applied Biosciences; ETH Zurich; 8093 Zurich Switzerland
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14
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Synthetic studies on a series of functionalized pyrylium salts, 4-chloro- and 4-bromophosphinines. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.02.053] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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15
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Rigo M, Hettmanczyk L, Heutz FJL, Hohloch S, Lutz M, Sarkar B, Müller C. Phosphinines versus mesoionic carbenes: a comparison of structurally related ligands in Au(i)-catalysis. Dalton Trans 2018; 46:86-95. [PMID: 27897296 DOI: 10.1039/c6dt03766f] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Gold(i) complexes based on a 2,4,6-triarylphosphinine and a mesoionic carbene derivative have been prepared and characterized crystallographically. Although structurally related, both heterocycles differ significantly in their donor/acceptor properties. These opposed electronic characteristics have been exploited in Au(i)-catalyzed cycloisomerization reactions. For the conversion of the standard substrate dimethyl 2-(3-methylbut-2-enyl)-2-(prop-2-ynyl)malonate the results obtained for both Au-catalysts were found to be very similar and comparable to the ones reported in the literature for other carbene- or phosphorus(iii)-based Au(i)-complexes. In contrast, a clear difference between the catalytic systems was found for the cycloisomerization of the more challenging substrate N-2-propyn-1-ylbenzamide. A combination of the phosphinine-based complex and [AgSbF6] or [Cu(OTf)2] leads to a catalytic species, which is more active than the mesoionic carbene-based coordination compound. We attribute these differences to the stronger π-accepting ability of phosphinines in comparison to mesoionic carbenes. The here presented results show for the first time that phosphinines can be used efficiently as π-accepting ligands in Au(i)-catalyzed cycloisomerization reactions.
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Affiliation(s)
- Massimo Rigo
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstr. 34/36, 14195 Berlin, Germany.
| | - Lara Hettmanczyk
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstr. 34/36, 14195 Berlin, Germany.
| | - Frank J L Heutz
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews, KY16 9ST, UK
| | - Stephan Hohloch
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstr. 34/36, 14195 Berlin, Germany.
| | - Martin Lutz
- Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Biprajit Sarkar
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstr. 34/36, 14195 Berlin, Germany.
| | - Christian Müller
- Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstr. 34/36, 14195 Berlin, Germany.
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16
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Newland RJ, Delve MP, Wingad RL, Mansell SM. Two isomers of a bis(diphenylphosphino)phosphinine, and the synthesis and reactivity of Ru arene/Cp* phosphinophosphinine complexes. NEW J CHEM 2018. [DOI: 10.1039/c8nj03632b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Two isomers of a bis(diphenylphosphino)phosphinine have been synthesised, and the Ru coordination chemistry of a 2-phosphinophosphinine extended to include reactions of H2O across a PC double bond.
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17
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Habicht MH, Wossidlo F, Bens T, Pidko EA, Müller C. 2-(Trimethylsilyl)-λ3
-Phosphinine: Synthesis, Coordination Chemistry, and Reactivity. Chemistry 2017; 24:944-952. [DOI: 10.1002/chem.201704539] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Marija H. Habicht
- Institut für Chemie und Biochemie; Freie Universität Berlin; Fabeckstr. 34/36 14195 Berlin Germany
| | - Friedrich Wossidlo
- Institut für Chemie und Biochemie; Freie Universität Berlin; Fabeckstr. 34/36 14195 Berlin Germany
| | - Tobias Bens
- Institut für Chemie und Biochemie; Freie Universität Berlin; Fabeckstr. 34/36 14195 Berlin Germany
| | | | - Christian Müller
- Institut für Chemie und Biochemie; Freie Universität Berlin; Fabeckstr. 34/36 14195 Berlin Germany
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18
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Newland RJ, Wyatt MF, Wingad RL, Mansell SM. A ruthenium(ii) bis(phosphinophosphinine) complex as a precatalyst for transfer-hydrogenation and hydrogen-borrowing reactions. Dalton Trans 2017; 46:6172-6176. [DOI: 10.1039/c7dt01022b] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Ru(ii) complex with 2-phosphinophosphinine ligands activated with KOtBu catalyses the room temperature transfer hydrogenation of acetophenone and the hydrogen-borrowing reaction of MeOH/EtOH to the advanced biofuel isobutanol.
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Affiliation(s)
- R. J. Newland
- Institute of Chemical Sciences
- Heriot-Watt University
- Edinburgh
- UK
| | - M. F. Wyatt
- EPSRC UK National Mass Spectrometry Facility (NMSF)
- Swansea University Medical School
- Swansea SA2 8PP
- UK
| | - R. L. Wingad
- School of Chemistry
- University of Bristol
- Bristol
- UK
| | - S. M. Mansell
- Institute of Chemical Sciences
- Heriot-Watt University
- Edinburgh
- UK
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