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Hu C, Goicoechea JM. Synthesis, Structure and Reactivity of a Cyapho(dicyano)methanide Salt. Angew Chem Int Ed Engl 2022; 61:e202208921. [PMID: 35876032 PMCID: PMC9805078 DOI: 10.1002/anie.202208921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Indexed: 01/09/2023]
Abstract
We describe the synthesis of a cyapho(dicyano)methanide salt, [K(18-crown-6)][C(CN)2 (CP)], from reaction of [Na(18-crown-6)][PH2 ] (18-crown-6=1,4,7,10,13,16-hexaoxacyclooctadecane) with 1,1-diethoxy-2,2-dicyanoethylene (EtO)2 C=C(CN)2 . The reaction proceeds through a Michael addition-elimination pathway to afford [Na(18-crown-6)][HP{C(OEt)=C(CN)2 }]. Addition of a strong, non-nucleophilic base (KHMDS) to this intermediate results in the formation of [K(18-crown-6)][C(CN)2 (CP)]. Subsequent reactivity studies reveal that the cyapho(dicyano)methanide ion is susceptible to protonation with strong acids to afford the parent acid HC(CN)2 (CP). The reactivity of the cyaphide moiety in [C(CN)2 (CP)]- was explored through coordination to metal centers and in cycloaddition reactions with azides.
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Affiliation(s)
- Chenyang Hu
- Department of ChemistryUniversity of OxfordChemistry Research Laboratory12 Mansfield RoadOxfordOX1 3TAUK
| | - Jose M. Goicoechea
- Department of ChemistryUniversity of OxfordChemistry Research Laboratory12 Mansfield RoadOxfordOX1 3TAUK
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2
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Hu C, Goicoechea JM. Synthesis, Structure and Reactivity of a Cyapho(dicyano)methanide Salt. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Chenyang Hu
- University of Oxford Department of Chemistry Department of Chemistry UNITED KINGDOM
| | - Jose Manuel Goicoechea
- University of Oxford Department of Chemistry CRL, Mansfield Road OX1 3TA Oxford UNITED KINGDOM
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3
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Stalder T, Krischer F, Steinert H, Neigenfind P, Gessner VH. Ylide-Stabilized Phosphenium Cations: Impact of the Substitution Pattern on the Coordination Chemistry. Chemistry 2022; 28:e202104074. [PMID: 34890085 PMCID: PMC9303317 DOI: 10.1002/chem.202104074] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Indexed: 11/05/2022]
Abstract
Although N-heterocyclic phosphenium (NHP) cations have received considerable research interest due to their application in organocatalysis, including asymmetric synthesis, phosphenium cations with other substitution patterns have hardly been explored. Herein, the preparation of a series of ylide-substituted cations of type [YPR]+ (with Y=Ph3 PC(Ph), R=Ph, Cy or Y) and their structural and coordination properties are reported. Although the diylide-substituted cation forms spontaneous from the chlorophosphine precursor, the monoylidylphosphenium ions required the addition of a halide-abstraction reagent. The molecular structures of the cations reflected the different degrees of electron donation from the ylide to the phosphorus center depending on the second substituent. Molecular orbital analysis confirmed the stronger donor properties of the ylide systems compared to NHPs with the mono-ylide substituted cations featuring a more pronounced electrophilicity. This was mirrored by the reaction of the cations towards gold chloride, in which only the diylide-substituted cation [Y2 P]+ formed the expected LAuCl]+ complex, while the monoylide-substituted compounds reacted to the chlorophosphine ligands by transfer of the chloride from gold to the phosphorus center. These results demonstrate the tunability of ylide-functionalized phosphorus cations, which should allow for further applications in coordination chemistry in the future.
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Affiliation(s)
- Tobias Stalder
- Chair of Inorganic Chemistry IIFaculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Felix Krischer
- Chair of Inorganic Chemistry IIFaculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Henning Steinert
- Chair of Inorganic Chemistry IIFaculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Philipp Neigenfind
- Chair of Inorganic Chemistry IIFaculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Viktoria H. Gessner
- Chair of Inorganic Chemistry IIFaculty of Chemistry and BiochemistryRuhr-University BochumUniversitätsstraße 15044801BochumGermany
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Yue E, Dettling L, Sklorz JAW, Kaiser S, Weber M, Müller C. Au(I)-mediated N 2-elimination from triazaphospholes: a one-pot synthesis of novel N 2P 2-heterocycles. Chem Commun (Camb) 2021; 58:310-313. [PMID: 34889332 DOI: 10.1039/d1cc06205k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Novel tosyl- and mesitylsulfonyl-substituted triazaphospholes were synthesized and structurally characterized. In an attempt to prepare the corresponding Au(I)-complexes with stoichiometric amounts of AuCl·S(CH3)2, cyclo-1,3-diphospha(III)-2,4-diazane-AuCl-complexes were obtained instead. Our here presented results offer a new strategy for preparing such coordination compounds selectively in a one-pot approach.
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Affiliation(s)
- Erlin Yue
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany. .,Shaanxi Key Laboratory of Chemical Reaction Engineering, Key Laboratory of New Energy & New Functional Materials, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, People's Republic of China
| | - Lea Dettling
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany.
| | - Julian A W Sklorz
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany.
| | - Selina Kaiser
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany.
| | - Manuela Weber
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany.
| | - Christian Müller
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Fabeckstr. 34/36, Berlin 14195, Germany.
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Li Z, Borger JE, Müller F, Harmer JR, Su C, Grützmacher H. Phosphanyl Cyanophosphide Salts: Versatile PCN Building Blocks. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zhongshu Li
- Lehn Institute of Functional Materials (LIFM)School of ChemistrySun Yat-Sen University 510275 Guangzhou China
- State Key Laboratory of Elemento-Organic ChemistryNankai University 30071 Tianjin China
| | - Jaap E. Borger
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
| | - Fabian Müller
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
| | - Jeffrey R. Harmer
- Centre for Advanced ImagingUniversity of Queensland Brisbane QLD 4072 Australia
| | - Cheng‐Yong Su
- Lehn Institute of Functional Materials (LIFM)School of ChemistrySun Yat-Sen University 510275 Guangzhou China
| | - Hansjörg Grützmacher
- Lehn Institute of Functional Materials (LIFM)School of ChemistrySun Yat-Sen University 510275 Guangzhou China
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
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Li Z, Borger JE, Müller F, Harmer JR, Su CY, Grützmacher H. Phosphanyl Cyanophosphide Salts: Versatile PCN Building Blocks. Angew Chem Int Ed Engl 2019; 58:11429-11433. [PMID: 31157494 DOI: 10.1002/anie.201904720] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 05/28/2019] [Indexed: 11/08/2022]
Abstract
The facile preparation of alkali salts of phosphanyl cyanophosphides [NHP-PCN]- (NHP=N-heterocyclic phosphenium) is reported. Their formation is achieved by isoelectronic replacement of O for [N]- in the phosphaketenes NHP-PCO using alkaline hexamethyldisilazide M[N(SiMe3 )2 ] (M=Na, K) as reagent. The new anionic entities are versatile PCN building blocks which allow the formation of a diversity of new cyanophosphine derivates including the first example of a PCNB hetero-cumulene and a PCN-ligated transition metal complex.
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Affiliation(s)
- Zhongshu Li
- Lehn Institute of Functional Materials (LIFM), School of Chemistry, Sun Yat-Sen University, 510275, Guangzhou, China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, 30071, Tianjin, China
| | - Jaap E Borger
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, 8093, Zürich, Switzerland
| | - Fabian Müller
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, 8093, Zürich, Switzerland
| | - Jeffrey R Harmer
- Centre for Advanced Imaging, University of Queensland, Brisbane, QLD, 4072, Australia
| | - Cheng-Yong Su
- Lehn Institute of Functional Materials (LIFM), School of Chemistry, Sun Yat-Sen University, 510275, Guangzhou, China
| | - Hansjörg Grützmacher
- Lehn Institute of Functional Materials (LIFM), School of Chemistry, Sun Yat-Sen University, 510275, Guangzhou, China.,Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, 8093, Zürich, Switzerland
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Kremláček V, Erben M, Jambor R, Růžička A, Turek J, Rychagova E, Ketkov S, Dostál L. From a 2,1‐Benzazaarsole to Elusive 1‐Arsanaphthalenes in One Step. Chemistry 2019; 25:5668-5671. [DOI: 10.1002/chem.201900805] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/08/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Vít Kremláček
- Department of General and Inorganic ChemistryFCHT, University of Pardubice Studentská 573 Pardubice 532 10 Czech Republic
| | - Milan Erben
- Department of General and Inorganic ChemistryFCHT, University of Pardubice Studentská 573 Pardubice 532 10 Czech Republic
| | - Roman Jambor
- Department of General and Inorganic ChemistryFCHT, University of Pardubice Studentská 573 Pardubice 532 10 Czech Republic
| | - Aleš Růžička
- Department of General and Inorganic ChemistryFCHT, University of Pardubice Studentská 573 Pardubice 532 10 Czech Republic
| | - Jan Turek
- Eenheid Algemene Chemie (ALGC)Vrije Universiteit Brussel (VUB) Pleinlaan 2 B-1050 Brussels Belgium
| | - Elena Rychagova
- G. A. Razuvaev Institute of Organometallic Chemistry RAS 49 Tropinin St. 603950 Nizhny Novgorod Russian Federation
| | - Sergey Ketkov
- G. A. Razuvaev Institute of Organometallic Chemistry RAS 49 Tropinin St. 603950 Nizhny Novgorod Russian Federation
| | - Libor Dostál
- Department of General and Inorganic ChemistryFCHT, University of Pardubice Studentská 573 Pardubice 532 10 Czech Republic
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Liang W, Nakajima K, Sakata K, Nishibayashi Y. Copper-Catalyzed [3+2] Cycloaddition Reactions of Isocyanoacetates with Phosphaalkynes to Prepare 1,3-Azaphospholes. Angew Chem Int Ed Engl 2019; 58:1168-1173. [PMID: 30516872 DOI: 10.1002/anie.201812779] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 11/27/2018] [Indexed: 12/29/2022]
Abstract
A novel copper-catalyzed synthetic method is described for phosphorous- and nitrogen-containing heterocycles such as 1,3-azaphospholes. Cycloaddition reactions of various isocyanoacetates with phosphaalkynes in the presence of copper bromide, bis(diphenylphosphino)methane (dppm), and potassium carbonate afford the corresponding 1,3-azaphospholes in high yields with complete selectivity. Some dppm-bridged dicopper complexes were identified as active species for the formation of 1,3-azaphospholes.
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Affiliation(s)
- Wenbin Liang
- Department of Systems Innovation, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kazunari Nakajima
- Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Ken Sakata
- Faculty of Pharmaceutical Sciences, Toho University, Miyama, Funabashi, Chiba, 274-8510, Japan
| | - Yoshiaki Nishibayashi
- Department of Systems Innovation, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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Chandrasena L, Samedov K, McKenzie I, Mozafari M, West R, Gates DP, Percival PW. Free Radical Reactivity of a Phosphaalkene Explored Through Studies of Radical Isotopologues. Angew Chem Int Ed Engl 2019; 58:297-301. [PMID: 30450733 DOI: 10.1002/anie.201810967] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 11/15/2018] [Indexed: 12/13/2022]
Abstract
Muonium (Mu), an H atom analogue, is employed to probe the addition of free radicals to the P=C bond of a phosphaalkene. Specifically, two unprecedented muoniated free radicals, MesP. -CMu(Me)2 (1 a, minor product) and MesPMu-C. Me2 (1 b, major product), were detected by muon spin spectroscopy (μSR) when a solution of MesP=CMe2 (1: Mes=2,4,6-trimethylphenyl) was exposed to a beam of positive muons (μ+ ). The μ+ serves as a source of Mu (that is, Mu=μ+ +e- ). To confirm the identity of the major product 1 b, its spectral features were compared to its isotopologue, MesPH-C. (Me)CH2 Mu (2 a). Conveniently, 2 a is the sole product of the reaction of MesPH(CMe=CH2 ) (2) with Mu. For all observed radicals, muon, proton, and phosphorus hyperfine coupling constants were determined by μSR and compared to DFT-calculated values.
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Affiliation(s)
- Lalangi Chandrasena
- Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6, Canada
| | - Kerim Samedov
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T 1Z1, Canada
| | - Iain McKenzie
- Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6, Canada.,Centre for Molecular and Materials Science, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, V6T 2A3, Canada
| | - Mina Mozafari
- Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6, Canada
| | - Robert West
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI, 53706, USA
| | - Derek P Gates
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T 1Z1, Canada
| | - Paul W Percival
- Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC, V5A 1S6, Canada
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10
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Liang W, Nakajima K, Sakata K, Nishibayashi Y. Copper‐Catalyzed [3+2] Cycloaddition Reactions of Isocyanoacetates with Phosphaalkynes to Prepare 1,3‐Azaphospholes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201812779] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Wenbin Liang
- Department of Systems InnovationSchool of EngineeringThe University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazunari Nakajima
- Frontier Research Center for Energy and ResourcesSchool of EngineeringThe University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Ken Sakata
- Faculty of Pharmaceutical SciencesToho University Miyama, Funabashi Chiba 274-8510 Japan
| | - Yoshiaki Nishibayashi
- Department of Systems InnovationSchool of EngineeringThe University of Tokyo Hongo Bunkyo-ku Tokyo 113-8656 Japan
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11
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Chandrasena L, Samedov K, McKenzie I, Mozafari M, West R, Gates DP, Percival PW. Free Radical Reactivity of a Phosphaalkene Explored Through Studies of Radical Isotopologues. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201810967] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Lalangi Chandrasena
- Department of Chemistry; Simon Fraser University; 8888 University Drive Burnaby BC V5A 1S6 Canada
| | - Kerim Samedov
- Department of Chemistry; University of British Columbia; 2036 Main Mall Vancouver BC V6T 1Z1 Canada
| | - Iain McKenzie
- Department of Chemistry; Simon Fraser University; 8888 University Drive Burnaby BC V5A 1S6 Canada
- Centre for Molecular and Materials Science; TRIUMF; 4004 Wesbrook Mall Vancouver BC V6T 2A3 Canada
| | - Mina Mozafari
- Department of Chemistry; Simon Fraser University; 8888 University Drive Burnaby BC V5A 1S6 Canada
| | - Robert West
- Department of Chemistry; University of Wisconsin-Madison; 1101 University Avenue Madison WI 53706 USA
| | - Derek P. Gates
- Department of Chemistry; University of British Columbia; 2036 Main Mall Vancouver BC V6T 1Z1 Canada
| | - Paul W. Percival
- Department of Chemistry; Simon Fraser University; 8888 University Drive Burnaby BC V5A 1S6 Canada
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12
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Nishimura K, Unoh Y, Hirano K, Miura M. Phosphenium-Cation-Mediated Formal Cycloaddition Approach to Benzophospholes. Chemistry 2018; 24:13089-13092. [DOI: 10.1002/chem.201803225] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 07/19/2018] [Indexed: 11/05/2022]
Affiliation(s)
- Kazutoshi Nishimura
- Department of Applied Chemistry; Graduate School of Engineering; Osaka University; Suita Osaka 565-0871 Japan
| | - Yuto Unoh
- Department of Applied Chemistry; Graduate School of Engineering; Osaka University; Suita Osaka 565-0871 Japan
| | - Koji Hirano
- Department of Applied Chemistry; Graduate School of Engineering; Osaka University; Suita Osaka 565-0871 Japan
| | - Masahiro Miura
- Department of Applied Chemistry; Graduate School of Engineering; Osaka University; Suita Osaka 565-0871 Japan
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