1
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Xue J, Zhang YS, Huan Z, Luo HT, Dong L, Yang JD, Cheng JP. Phosphonium-Catalyzed Monoreduction of Bisphosphine Dioxides: Origin of Selectivity and Synthetic Applications. J Am Chem Soc 2024; 146:9335-9346. [PMID: 38501695 DOI: 10.1021/jacs.4c01361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Controlling product selectivity in successive reactions of the same type is challenging owing to the comparable thermodynamic and kinetic properties of the reactions involved. Here, the synergistic interaction of the two phosphoryl groups in bisphosphine dioxides (BPDOs) with a bromo-phosphonium cation was studied experimentally to provide a practical tool for substrate-catalyst recognition. As the eventual result, we have developed a phosphonium-catalyzed monoreduction of chiral BPDOs to access an array of synthetically useful bisphosphine monoxides (BPMOs) with axial, spiro, and planar chirality, which are otherwise challenging to synthesize before. The reaction features excellent selectivity and impressive reactivity. It proceeds under mild conditions, avoiding the use of superstoichiometric amounts of additives and metal catalysts to simplify the synthetic procedure. The accessibility and scalability of the reaction allowed for the rapid construction of a ligand library for optimization of asymmetric Heck-type cyclization, laying the foundation for a broad range of applications of chiral BPMOs in catalysis.
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Affiliation(s)
- Jing Xue
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yu-Shan Zhang
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Zhen Huan
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Hai-Tian Luo
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Likun Dong
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jin-Dong Yang
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
| | - Jin-Pei Cheng
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
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2
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Xue J, Zhang YS, Huan Z, Yang JD, Cheng JP. Deoxygenation of Phosphine Oxides by P III/P V═O Redox Catalysis via Successive Isodesmic Reactions. J Am Chem Soc 2023. [PMID: 37410888 DOI: 10.1021/jacs.3c05270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
Deoxygenation of phosphine oxides is of great significance to synthesis of phosphorus ligands and relevant catalysts, as well as to the sustainability of phosphorus chemistry. However, the thermodynamic inertness of P═O bonds poses a severe challenge to their reduction. Previous approaches in this regard rely primarily on a type of P═O bond activation with either Lewis/Brønsted acids or stoichiometric halogenating reagents under harsh conditions. Here, we wish to report a novel catalytic strategy for facile and efficient deoxygenation of phosphine oxides via successive isodesmic reactions, whose thermodynamic driving force for breaking the strong P═O bond was compensated by a synchronous formation of another P═O bond. The reaction was enabled by PIII/P═O redox sequences with the cyclic organophosphorus catalyst and terminal reductant PhSiH3. This catalytic reaction avoids the use of the stoichiometric activator as in other cases and features a broad substrate scope, excellent reactivities, and mild reaction conditions. Preliminary thermodynamic and mechanistic investigations disclosed a dual synergistic role of the catalyst.
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Affiliation(s)
- Jing Xue
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yu-Shan Zhang
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Zhen Huan
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jin-Dong Yang
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jin-Pei Cheng
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
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3
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Paradies J. Structure-Reactivity Relationships in Borane-Based FLP-Catalyzed Hydrogenations, Dehydrogenations, and Cycloisomerizations. Acc Chem Res 2023; 56:821-834. [PMID: 36913645 DOI: 10.1021/acs.accounts.2c00832] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
Abstract
ConspectusThe activation of molecular hydrogen by main-group element catalysts is an extremely important approach to metal-free hydrogenations. These so-called frustrated Lewis pairs advanced within a short period of time to become an alternative to transition metal catalysis. However, deep understanding of the structure-reactivity relationship is far less developed compared to that of transition metal complexes, although it is paramount for advancing frustrated Lewis pair chemistry.In this Account, we provide detailed insight into how Lewis acidity and Lewis basicity correlate to reactivity. The reactivity of frustrated Lewis pairs will be systematically discussed in context with selected reactions. The influence of major electronic modifications of the Lewis pairs is correlated with the ability to activate molecular hydrogen, to channel reaction kinetics and reaction pathways, or to achieve C(sp3)-H activations.First, we will describe how we entered this emerging field of research after quickly realizing that information was lacking on how the reactivity changes with modification of the frustrated Lewis pair. This led us to the development of a qualitative and quantitative structure-reactivity relationship in metal-free imine hydrogenations. The imine hydrogenation was utilized as the model reaction to experimentally determine the activation parameters of the FLP-mediated hydrogen activation for the first time. This kinetic study revealed autoinduced catalytic profiles when Lewis acids weaker than tris(pentafluorophenyl)borane were applied, opening up to study the Lewis base dependency within one system. With this knowledge of the interplay between Lewis acid strength and Lewis basicity, we developed methods for the hydrogenation of densely functionalized nitroolefins, acrylates, and malonates. Here, the reduced Lewis acidity needed to be counterbalanced by a suitable Lewis base to ensure efficient hydrogen activation. The opposite measure was necessary for the hydrogenation of unactivated olefins. For these, comparably less electron-releasing phosphanes were required to generate strong Brønsted acids by hydrogen activation. These systems displayed highly reversible hydrogen activation even at temperatures as low as -60 °C. A systematic study of these systems enabled the development of acceptorless dehydrocouplings of amines with silanes and dehydrogenations of aza-heterocycles by C(sp3)-H activations. Furthermore, the C(sp3)-H and π-activation was utilized to achieve cycloisomerizations by carbon-carbon and carbon-nitrogen bond formations. Lastly, new frustrated Lewis pair systems featuring weak Lewis bases as active components in the hydrogen activation were developed for the reductive deoxygenation of phosphane oxides and carboxylic acid amides.
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Affiliation(s)
- Jan Paradies
- Chemistry Department, Paderborn University, Warburger Strasse 100, 33098 Paderborn, Germany
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4
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Wu ZH, Wang HY, Yang HL, Wei LH, Hayashi T, Duan WL. Secondary Phosphine Sulfide-Enabled Iridium-Catalyzed Asymmetric Allylic Substitution. Angew Chem Int Ed Engl 2022; 61:e202213904. [PMID: 36305853 DOI: 10.1002/anie.202213904] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Indexed: 11/07/2022]
Abstract
An iridium-catalyzed asymmetric synthesis of branched allylic phosphine compounds under mild conditions is reported. Products bearing various functional groups can be synthesized with excellent stereoselectivity (up to 99.9 % ee) and regioselectivity. The employment of phosphine sulfides with relatively low deactivation capacity against metal catalysts is crucial for the success of this reaction.
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Affiliation(s)
- Zeng-Hua Wu
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 Xi Changan Street, Xi'an, 710119, China
| | - Huai-Yu Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 Xi Changan Street, Xi'an, 710119, China
| | - Huai-Lan Yang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 Xi Changan Street, Xi'an, 710119, China
| | - Li-Hua Wei
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 Xi Changan Street, Xi'an, 710119, China
| | - Tamio Hayashi
- Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Wei-Liang Duan
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 Xi Changan Street, Xi'an, 710119, China
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5
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Kolodiazhna A, Prysiazhnuk D, Kolodiazhnyi O. Asymmetric electrophilic reactions in phosphorus chemistry. PHOSPHORUS SULFUR 2022. [DOI: 10.1080/10426507.2021.1989687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Anastasy Kolodiazhna
- Kukhar’ Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Dmitry Prysiazhnuk
- Kukhar’ Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Oleg Kolodiazhnyi
- Kukhar’ Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, Kyiv, Ukraine
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6
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Yang X, Lu D, Guan W, Yin SF, Kambe N, Qiu R. Synthesis of (Deoxy)difluoromethylated Phosphines by Reaction of R 2P(O)H with TMSCF 3 and Their Application in Cu(I) Clusters in Sonogashira Coupling. J Org Chem 2022; 87:7720-7733. [PMID: 35620903 DOI: 10.1021/acs.joc.2c00308] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
R2PCF2H ligands and their R2P(O)CF2H precursors were synthesized from R2P(O)H with TMSCF3 by simply modulating the H2O concentration via deoxydifluoromethylation and difluoromethylation. The air sensitive R2PCF2H phosphines can be stabilized in Cu(I) clusters as ligands. Within these Cu(I) clusters, the Sonogashira cross-coupling reaction can proceed fast and efficiently using terminal alkynes and aryl iodides within 15 min at room temperature under air to give a variety of diaryl(alkyl)acetylenes in good yields (49 examples, yields of ≤99%). Six of the internal alkynes present in drug precursors can be obtained using this protocol in good yields. The mechanism is proposed on the basis of control experiments.
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Affiliation(s)
- Xiaogang Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Dong Lu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Wenjian Guan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Nobuaki Kambe
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki-shi, Osaka 567-0047, Japan
| | - Renhua Qiu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
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7
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Zhang YQ, Han XY, Wu Y, Qi PJ, Zhang Q, Zhang QW. Ni-catalyzed asymmetric hydrophosphinylation of conjugated enynes and mechanistic studies. Chem Sci 2022; 13:4095-4102. [PMID: 35440997 PMCID: PMC8985578 DOI: 10.1039/d2sc00091a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 02/24/2022] [Indexed: 11/21/2022] Open
Abstract
The catalytic asymmetric synthesis of P-stereogenic phosphines is an efficient strategy to access structurally diverse chiral phosphines that could serve as organocatalysts and ligands to transition metals and motifs of antiviral drugs. Herein, we describe a Ni catalyzed highly regio and enantioselective hydrophosphinylation reaction of secondary phosphine oxides and enynes. This method afforded a plethora of alkenyl phosphine oxides which could serve as valuable precursors to bidentate ligands. A new type of mechanism was discovered by combined kinetic studies and density functional theory (DFT) calculations, which was opposed to the widely accepted Chalk-Harrod type mechanism. Notably, the alkene moiety which could serve as a directing group by coordinating with the Ni catalyst in the transition state, plays a vital role in determining the reactivity, regio and enantioselectivity.
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Affiliation(s)
- Ya-Qian Zhang
- Department of Chemistry, University of Science and Technology of China Hefei 230026 China
| | - Xue-Yu Han
- Department of Chemistry, University of Science and Technology of China Hefei 230026 China
| | - Yue Wu
- Department of Chemistry, University of Science and Technology of China Hefei 230026 China
| | - Peng-Jia Qi
- Department of Chemistry, University of Science and Technology of China Hefei 230026 China
| | - Qing Zhang
- Department of Chemistry, University of Science and Technology of China Hefei 230026 China
| | - Qing-Wei Zhang
- Department of Chemistry, University of Science and Technology of China Hefei 230026 China
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8
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P-chirogenic phosphorus compounds by stereoselective Pd-catalysed arylation of phosphoramidites. Nat Catal 2021. [DOI: 10.1038/s41929-021-00697-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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9
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Varga B, Szemesi P, Nagy P, Herbay R, Holczbauer T, Fogassy E, Keglevich G, Bagi P. Enantioseparation of P-Stereogenic Secondary Phosphine Oxides and Their Stereospecific Transformation to Various Tertiary Phosphine Oxides and a Thiophosphinate. J Org Chem 2021; 86:14493-14507. [PMID: 34633814 PMCID: PMC8576816 DOI: 10.1021/acs.joc.1c01364] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
![]()
Secondary phosphine
oxides incorporating various aryl and alkyl
groups were synthesized in racemic form, and these products formed
the library reported in this study. TADDOL derivatives were used to
obtain the optical resolution of these P-stereogenic
secondary phosphine oxides. The developed resolution method showed
a good scope under the optimized reaction conditions, as 9 out of
14 derivatives could be prepared with an enantiomeric excess (ee)
≥ 79% and 5 of these derivatives were practically enantiopure
>P(O)H compounds (ee ≥ 98%). The scalability of this resolution
method was also demonstrated. Noncovalent interactions responsible
for the formation of diasteromeric complexes were elucidated by single-crystal
XRD measurements. (S)-(2-Methylphenyl)phenylphosphine
oxide was transformed to a variety of P-stereogenic
tertiary phosphine oxides and a thiophosphinate in stereospecific
Michaelis–Becker, Hirao, or Pudovik reactions.
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Affiliation(s)
- Bence Varga
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Péter Szemesi
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary.,Gedeon Richter Plc., H-1475 Budapest, Hungary
| | - Petra Nagy
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Réka Herbay
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Tamás Holczbauer
- Center for Structural Science, Chemical Crystallography Research Laboratory and Institute for Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1519 Budapest, Hungary
| | - Elemér Fogassy
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Péter Bagi
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
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10
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Sowa S, Pietrusiewicz KM. Reduction of tertiary phosphine oxides to phosphine-boranes using Ti(Oi-Pr)4/BH3-THF. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Kozioł AE, Włodarczyk A. Prolinol as a Chiral Auxiliary in Organophosphorus Chemistry. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Anna E. Kozioł
- Department of General and Coordination Chemistry and Crystalography Institute of Chemical Sciences Faculty of Chemistry Maria Curie-Skłodowska University in Lublin 5 Maria Curie-Skłodowska sq. 20-031 Lublin Poland
| | - Adam Włodarczyk
- Department of Organic Chemistry Institute of Chemical Sciences Faculty of Chemistry Maria Curie-Skłodowska University in Lublin 33 Gliniana st. 20-614 Lublin Poland.p
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12
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Kapuśniak Ł, Plessow PN, Trzybiński D, Woźniak K, Hofmann P, Jolly PI. A Mild One-Pot Reduction of Phosphine(V) Oxides Affording Phosphines(III) and Their Metal Catalysts. Organometallics 2021; 40:693-701. [PMID: 33867621 PMCID: PMC8043083 DOI: 10.1021/acs.organomet.0c00788] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Indexed: 02/06/2023]
Abstract
![]()
The metal-free reduction
of a range of phosphine(V) oxides employing
oxalyl chloride as an activating agent and hexachlorodisilane as reducing
reagent has been achieved under mild reaction conditions. The method
was successfully applied to the reduction of industrial waste byproduct
triphenylphosphine(V) oxide, closing the phosphorus cycle to cleanly
regenerate triphenylphosphine(III). Mechanistic studies and quantum
chemical calculations support the attack of the dissociated chloride
anion of intermediated phosphonium salt at the silicon of the disilane
as the rate-limiting step for deprotection. The exquisite purity of
the resultant phosphine(III) ligands after the simple removal of volatiles
under reduced pressure circumvents laborious purification prior to
metalation and has permitted the facile formation of important transition
metal catalysts.
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Affiliation(s)
- Łukasz Kapuśniak
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury Street 101, 02-089 Warsaw, Poland
| | - Philipp N Plessow
- Institute of Catalysis Research and Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
| | - Damian Trzybiński
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury Street 101, 02-089 Warsaw, Poland
| | - Krzysztof Woźniak
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury Street 101, 02-089 Warsaw, Poland
| | - Peter Hofmann
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.,Catalysis Research Laboratory (CaRLa), Im Neuenheimer Feld 584, 69120 Heidelberg, Germany
| | - Phillip Iain Jolly
- Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury Street 101, 02-089 Warsaw, Poland.,Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.,Catalysis Research Laboratory (CaRLa), Im Neuenheimer Feld 584, 69120 Heidelberg, Germany
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13
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Chakraborty D, Gholami H, Sarkar A, Joyce LA, Jackson JE, Borhan B. A chiroptical approach for the absolute stereochemical determination of P-stereogenic centers. Chem Sci 2020; 12:1750-1755. [PMID: 34163935 PMCID: PMC8179206 DOI: 10.1039/d0sc02940h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A simple chiroptical solution for the absolute stereochemical determination for asymmetric phosphorus V stereocenters is presented. Strong coordination of the phosphorus oxide with the Zn-metallo center of the racemic host Zn-MAPOL 2 leads to an induced axial chirality of the host, yielding a strong ECCD signal. A mnemonic is proposed to correlate the asymmetry of the guest molecule with the observed ECCD signal. A simple chiroptical solution for the absolute stereochemical determination for asymmetric phosphorus V stereocenters is presented.![]()
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Affiliation(s)
| | - Hadi Gholami
- Michigan State University, Department of Chemistry East Lansing MI 48824 USA
| | - Aritra Sarkar
- Michigan State University, Department of Chemistry East Lansing MI 48824 USA
| | - Leo A Joyce
- Department of Process Research and Development, Merck and Co, Inc. Rahway NJ 07065 USA
| | - James E Jackson
- Michigan State University, Department of Chemistry East Lansing MI 48824 USA
| | - Babak Borhan
- Michigan State University, Department of Chemistry East Lansing MI 48824 USA
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14
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Schoemaker R, Schwedtmann K, Hennersdorf F, Bauzá A, Frontera A, Weigand JJ. Toward N,P-Doped π-Extended PAHs: A One-Pot Synthesis to Diannulated 1,4,2-Diazaphospholium Triflate Salts. J Org Chem 2020; 85:14420-14434. [PMID: 32351111 DOI: 10.1021/acs.joc.0c00577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel method for the one-pot synthesis of diannulated 1,4,2-diazaphospholium triflate salts by a Me3SiOTf-mediated self-condensation of dichlorophosphaneyl aza-(poly)cyclic aromatic hydrocarbons (aza-(P)AHs; namely, pyridine, quinoline, phenanthridine, and benzo[d]thiazole) is reported. The diannulated 1,4,2-diazaphospholium triflate salts are characterized by multinuclear NMR spectroscopy, X-ray analysis, as well as their calculated NICS values, underlining their aromatic character. Quantum mechanical calculations shed light on the intermolecular reaction mechanism. Follow up chemistry, such as the halogenation reaction with XeF2 or SO2Cl2 with the dipyridinium derivative selectively yields the respective dihalo-σ4,λ5- and tetrahalo-σ5,λ6-diazaphospholium triflate salts. The dihalo-σ4,λ5-diazaphospholium triflate salt serves well as a surrogate for the introduction of the cationic 2-(1,2'-bipyridin)-1-iumyl ligand (1,2'-bipyl), the monocationic structural isomer of the prototypical 2,2'-bipyridine ligand (2,2'-bipy).
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Affiliation(s)
- Robin Schoemaker
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden 01062, Germany
| | - Kai Schwedtmann
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden 01062, Germany
| | - Felix Hennersdorf
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden 01062, Germany
| | - Antonio Bauzá
- Department of Chemistry, Universitat de les Illes Balears, Palma de Mallorca 07122, Spain
| | - Antonio Frontera
- Department of Chemistry, Universitat de les Illes Balears, Palma de Mallorca 07122, Spain
| | - Jan J Weigand
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden 01062, Germany
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15
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Qiu H, Dai Q, He J, Li W, Zhang J. Access to P-chiral sec- and tert-phosphine oxides enabled by Le-Phos-catalyzed asymmetric kinetic resolution. Chem Sci 2020; 11:9983-9988. [PMID: 34094261 PMCID: PMC8162192 DOI: 10.1039/d0sc04041j] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The synthesis of P-stereogenic building blocks is extremely difficult. Herein we report an efficient kinetic resolution of secondary phosphine oxides via a Le-Phos-catalyzed asymmetric allylation reaction with Morita-Baylis-Hillman carbonates. This method provides facile access to enantioenriched secondary and tertiary P-chiral phosphine oxides with broad substrate scope, both of which could serve as P-stereogenic synthons, and can be rapidly incorporated into a given scaffold bearing a P-stereocenter. The highly desirable late stage modifications demonstrate the practicability of our method and can be a critical contribution to obtaining optimal P-chiral catalysts and ligands.
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Affiliation(s)
- Haile Qiu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University Shanghai P. R. China
| | - Qiang Dai
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University Shanghai P. R. China
| | - Jiafeng He
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University Shanghai P. R. China
| | - Wenbo Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University Shanghai P. R. China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University Shanghai P. R. China .,Department of Chemistry, Fudan University 2005 Songhu Road Shanghai 200438 P. R. China
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16
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Lemouzy S, Giordano L, Hérault D, Buono G. Introducing Chirality at Phosphorus Atoms: An Update on the Recent Synthetic Strategies for the Preparation of Optically Pure P-Stereogenic Molecules. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000406] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sébastien Lemouzy
- Aix Marseille Univ; CNRS, Centrale Marseille, iSm2; Marseille France
| | - Laurent Giordano
- Aix Marseille Univ; CNRS, Centrale Marseille, iSm2; Marseille France
| | - Damien Hérault
- Aix Marseille Univ; CNRS, Centrale Marseille, iSm2; Marseille France
| | - Gérard Buono
- Aix Marseille Univ; CNRS, Centrale Marseille, iSm2; Marseille France
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17
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Kolodiazhnyi OI. Stereochemistry, mechanisms and applications of electrophilic reactions of organophosphorus compounds. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4910] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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18
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Xu D, Rivas-Bascón N, Padial NM, Knouse KW, Zheng B, Vantourout JC, Schmidt MA, Eastgate MD, Baran PS. Enantiodivergent Formation of C-P Bonds: Synthesis of P-Chiral Phosphines and Methylphosphonate Oligonucleotides. J Am Chem Soc 2020; 142:5785-5792. [PMID: 32109356 DOI: 10.1021/jacs.9b13898] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Phosphorus Incorporation (PI, abbreviated Π) reagents for the modular, scalable, and stereospecific synthesis of chiral phosphines and methylphosphonate nucleotides are reported. Synthesized from trans-limonene oxide, this reagent class displays an unexpected reactivity profile and enables access to chemical space distinct from that of the Phosphorus-Sulfur Incorporation reagents previously disclosed. Here, the adaptable phosphorus(V) scaffold enables sequential addition of carbon nucleophiles to produce a variety of enantiopure C-P building blocks. Addition of three carbon nucleophiles to Π, followed by stereospecific reduction, affords useful P-chiral phosphines; introduction instead of a single methyl group reveals the first stereospecific synthesis of methylphosphonate oligonucleotide precursors. While both Π enantiomers are available, only one isomer is required-the order of nucleophile addition controls the absolute stereochemistry of the final product through a unique enantiodivergent design.
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Affiliation(s)
- Dongmin Xu
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Nazaret Rivas-Bascón
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Natalia M Padial
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Kyle W Knouse
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Bin Zheng
- Chemistry Development, Bristol-Myers Squibb, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Julien C Vantourout
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Michael A Schmidt
- Chemistry Development, Bristol-Myers Squibb, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Martin D Eastgate
- Chemistry Development, Bristol-Myers Squibb, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Phil S Baran
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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19
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Yan B, Zheng H, Ye J, Qiu M, Zhang Y, Zhao C, Li Q. Stereoselective Thermal Addition of
R
P
and/or
S
P
‐Menthyl‐Deriving Secondary Phosphine Oxides to Active Alkynes, the Mechanism, Stereochemistry and Generation of
P,C‐
Chirogenic Bis‐Phosphine Derivatives. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Bing‐Xia Yan
- College of Chemistry and Chemical EngineeringLiaocheng University Liaocheng Shandong 252059 China
| | - Hong‐Xing Zheng
- College of Chemistry and Chemical EngineeringLiaocheng University Liaocheng Shandong 252059 China
| | - Jing‐Jing Ye
- College of Chemistry and Chemical EngineeringLiaocheng University Liaocheng Shandong 252059 China
| | - Mao‐Ran Qiu
- College of Chemistry and Chemical EngineeringLiaocheng University Liaocheng Shandong 252059 China
| | - Yu Zhang
- College of Chemistry and Chemical EngineeringLiaocheng University Liaocheng Shandong 252059 China
| | - Chang‐Qiu Zhao
- College of Chemistry and Chemical EngineeringLiaocheng University Liaocheng Shandong 252059 China
| | - Qiang Li
- College of Chemistry and Chemical EngineeringLiaocheng University Liaocheng Shandong 252059 China
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20
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Włodarczyk K, Borowski P, Stankevič M. [1,3]/[1,4]-Sulfur atom migration in β-hydroxyalkylphosphine sulfides. Beilstein J Org Chem 2020; 16:88-105. [PMID: 32082428 PMCID: PMC7006489 DOI: 10.3762/bjoc.16.11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 01/10/2020] [Indexed: 11/23/2022] Open
Abstract
β-Hydroxyalkylphosphine sulfides undergo [1,3]- or [1,4]-sulfur atom phosphorus-to-carbon migration in the presence of Lewis or Brønsted acids. The direction of sulfur atom migration depends on the type of acid used for the reaction. In the presence of a Brønsted acid, mainly [1,3]-rearrangement is observed, whereas a Lewis acid catalyzes the [1,4]-sulfur migration. To gain insight into the mechanism of these transformations, the stereochemistry of these rearrangements have been tested, along with the conduction of some control experiments and DFT calculations.
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Affiliation(s)
- Katarzyna Włodarczyk
- Department of Organic Chemistry, Faculty of Chemistry, Marie Curie-Skłodowska University in Lublin, 33 Gliniana St., 20-614 Lublin, Poland
| | - Piotr Borowski
- Department of Chromatographic Methods, Faculty of Chemistry, Marie Curie-Skłodowska University in Lublin, 3 Marie Curie-Skłodowska Sq., 20-031 Lublin, Poland
| | - Marek Stankevič
- Department of Organic Chemistry, Faculty of Chemistry, Marie Curie-Skłodowska University in Lublin, 33 Gliniana St., 20-614 Lublin, Poland
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21
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Abstract
This review is devoted to the theoretic and synthetic aspects of asymmetric electrophilic substitution reactions at the stereogenic phosphorus center. The stereochemistry and mechanisms of electrophilic reactions are discussed—the substitution, addition and addition-elimination of many important reactions. The reactions of bimolecular electrophilic substitution SE2(P) proceed stereospecifically with the retention of absolute configuration at the phosphorus center, in contrast to the reactions of bimolecular nucleophilic substitution SN2(P), proceeding with inversion of absolute configuration. This conclusion was made based on stereochemical analysis of a wide range of trivalent phosphorus reactions with typical electrophiles and investigation of examples of a sizeable number of diverse compounds. The combination of stereospecific electrophilic reactions and stereoselective nucleophilic reactions is useful and promising for the further development of organophosphorus chemistry. The study of phosphoryl group transfer reactions is important for biological and molecular chemistry, as well as in studying mechanisms of chemical processes involving organophosphorus compounds. New versions of asymmetric electrophilic reactions applicable for the synthesis of enantiopure P-chiral secondary and tertiary phosphines are discussed.
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22
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Ye JJ, Yan BX, Wang JP, Wen JH, Zhang Y, Qiu MR, Li Q, Zhao CQ. The construction of three C–P bonds of P-stereogenic tertiary phosphines containing (l)-menthyl. Org Chem Front 2020. [DOI: 10.1039/d0qo00453g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A wide range of RP or SP-(l)-menthyl-containing SPOs were prepared via the reaction of 1,1′-bi(2-naphthol) derived phosphonite with a metallic reagent with excellent yield and dr.
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Affiliation(s)
- Jing-Jing Ye
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Bing-Xia Yan
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Ji-Ping Wang
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Jing-Hong Wen
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Yu Zhang
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Mao-Ran Qiu
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Qiang Li
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Chang-Qiu Zhao
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
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23
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Convergent Synthesis of Polysubstituted Furans via Catalytic Phosphine Mediated Multicomponent Reactions. Molecules 2019; 24:molecules24244595. [PMID: 31888142 PMCID: PMC6943692 DOI: 10.3390/molecules24244595] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/10/2019] [Accepted: 12/13/2019] [Indexed: 11/29/2022] Open
Abstract
Tri- or tetrasubstituted furans have been prepared from terminal activated olefins and acyl chlorides or anhydrides by a multicomponental convergent synthesis mode. Instead of stoichiometric nBu3P, only catalytic nBu3P or nBu3P=O is needed to furnish the furans in modest to excellent yields with a good functional group tolerance under the aid of reducing agent silane. This synthetic method features a silane-driven catalytic intramolecular Wittig reaction as a key annulation step and represents the first successful application of catalytic Wittig reaction in multicomponent cascade reaction.
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24
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Affiliation(s)
| | | | - Shunsuke Chiba
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University
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25
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Liu XT, Zhang YQ, Han XY, Sun SP, Zhang QW. Ni-Catalyzed Asymmetric Allylation of Secondary Phosphine Oxides. J Am Chem Soc 2019; 141:16584-16589. [DOI: 10.1021/jacs.9b08734] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Xu-Teng Liu
- Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Ya-Qian Zhang
- Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Xue-Yu Han
- Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Shi-Ping Sun
- Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Qing-Wei Zhang
- Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
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26
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Fianchini M, O'Brien CJ, Chass GA. Reduction Rate of 1-Phenyl Phospholane 1-Oxide Enhanced by Silanol Byproducts: Comprehensive DFT Study and Kinetic Modeling Linked to Reagent Design. J Org Chem 2019; 84:10579-10592. [PMID: 29812942 DOI: 10.1021/acs.joc.8b00860] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Important stoichiometric transformations like Wittig and Appel reactions have been implemented in a catalytic fashion in the past decade. The phosphine oxide generated in situ can be reintroduced as phosphine into the catalytic cycle using mild and selective silane reagents (redox-driven catalysis). While the field of experimental investigation has been fully expanding in the past decade, theoretical studies are still sparse. In this present work, density functional theory (DFT) has been used to characterize the free energy surfaces of the reduction of 1-phenyl phospholane 1-oxide with four different silanes. Found stationary points have been studied in-depth to highlight mechanistic peculiarities, like the effect of substituents at the silicon center and the parallel and competitive reactivity between the precursor silanes and their semioxidized byproducts. Calculated thermodynamic parameters in combination with "real" values for concentrations have been used in the formulation of rate equations for simple bimolecular and monomolecular steps of the mechanism. The deterministic integration concentrations versus time of such rate equations led to a realistic description of the systems under study and paved the way to strategic and rational design of new silanes with increased reactivity.
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Affiliation(s)
- Mauro Fianchini
- Institute of Chemical Research of Catalonia (ICIQ) , The Barcelona Institute of Science and Technology , Avgda. Països Catalans 16 , 43007 Tarragona , Catalonia , Spain
| | - Christopher J O'Brien
- Department of Chemistry and Biochemistry , The University of Texas at Arlington , Box 19065 , Arlington , Texas 76019 , United States
| | - Gregory A Chass
- School of Biological and Chemical Sciences , Queen Mary University of London , Mile End Road , E1 4NS London , United Kingdom
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27
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Karpus A, Daran JC, Poli R, Mazières S, Destarac MA, Manoury E. Synthesis of S-Alkyl Phosphinocarbodithioates with Switch between P(III) and P(V) Derivatives. J Org Chem 2019; 84:9446-9453. [PMID: 31272149 DOI: 10.1021/acs.joc.9b00590] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Simple and effective synthetic pathways are described to prepare compounds R2P(X)C(S)SCH(Me)Ph with the P atom either in the oxidation state V [R/X = t-Bu/O (6), Ph/S, (7), t-Bu/S (8), t-Bu/Se (9)] or III [R/X = Ph/BH3 (4), t-Bu/BH3 (5), t-Bu/lone pair (10)]. Compound 9 is the first example of carbodithioate ester with a P = Se group, and for the first time, a phosphinocarboditioate with a free phosphine function (compound 10) is described. Stabilization of the latter crucially depends on the steric protection by the t-Bu groups since an analogous derivative with R = Ph is observable but too unstable for isolation. Compound 10 can be reversibly protonated to yield the [t-Bu2PHC(S)SCH(Me)Ph]+ cation (10-H+), which was isolated as a BF4- salt. A few interconversion processes resulting in the facile addition/removal or exchange of the X group in this family of compounds are also described. The oxidation state of the phosphorus atom and the nature of an electron-withdrawing group have a significant impact on the spectral properties.
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Affiliation(s)
- Andrii Karpus
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT , 205 Route de Narbonne , BP 44099, 31077 Toulouse , France.,Laboratoire des IMRCP, Université Paul Sabatier, CNRS UMR 5623 , 118 route de Narbonne , 31062 Toulouse , France
| | - Jean-Claude Daran
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT , 205 Route de Narbonne , BP 44099, 31077 Toulouse , France
| | - Rinaldo Poli
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT , 205 Route de Narbonne , BP 44099, 31077 Toulouse , France
| | - Stéphane Mazières
- Laboratoire des IMRCP, Université Paul Sabatier, CNRS UMR 5623 , 118 route de Narbonne , 31062 Toulouse , France
| | - Mathias A Destarac
- Laboratoire des IMRCP, Université Paul Sabatier, CNRS UMR 5623 , 118 route de Narbonne , 31062 Toulouse , France
| | - Eric Manoury
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT , 205 Route de Narbonne , BP 44099, 31077 Toulouse , France
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28
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Zhang Y, Nie SZ, Ye JJ, Wang JP, Zhou MM, Zhao CQ, Li Q. Functional Phosphine Derivatives Having Stationary and Flexible Chiralities: Their Preparation and Chirality Controlling. J Org Chem 2019; 84:8423-8439. [PMID: 31136177 DOI: 10.1021/acs.joc.9b00346] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Various functional secondary and tertiary phosphines, or their derivatives, containing stationary chiral phosphorus and flexible chiral axis were prepared, which could be further modified to afford diversely chelating ligands. The flexible axial chirality was fixed by stereogenic phosphorus via a cyclic linkage of chemical bonds or coordination with a metallic ion.
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Affiliation(s)
- Yu Zhang
- College of Chemistry and Chemical Engineering , Liaocheng University , Liaocheng , Shandong 252059 , China
| | - Shao-Zhen Nie
- College of Chemistry and Chemical Engineering , Liaocheng University , Liaocheng , Shandong 252059 , China
| | - Jing-Jing Ye
- College of Chemistry and Chemical Engineering , Liaocheng University , Liaocheng , Shandong 252059 , China
| | - Ji-Ping Wang
- College of Chemistry and Chemical Engineering , Liaocheng University , Liaocheng , Shandong 252059 , China
| | - Meng-Meng Zhou
- College of Chemistry and Chemical Engineering , Liaocheng University , Liaocheng , Shandong 252059 , China
| | - Chang-Qiu Zhao
- College of Chemistry and Chemical Engineering , Liaocheng University , Liaocheng , Shandong 252059 , China
| | - Qiang Li
- College of Chemistry and Chemical Engineering , Liaocheng University , Liaocheng , Shandong 252059 , China
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29
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Zhu H, Qu ZW, Grimme S. Reduction of Phosphine Oxide by Using Chlorination Reagents and Dihydrogen: DFT Mechanistic Insights. Chemistry 2019; 25:4670-4672. [PMID: 30758069 DOI: 10.1002/chem.201900379] [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: 01/24/2019] [Indexed: 11/08/2022]
Abstract
Extensive DFT calculations provide detailed mechanistic insights into the metal-free reduction of phosphine oxide Ph3 P=O by using chlorination reagents O=CClX (X=COCl, Cl, OCCl3 and Ph) and H2 . Fast electrophilic attack to the P=O group oxygen atom is favored by exergonic CO2 release to form phosphonium Ph3 PCl+ and chloride Cl- , which may slowly cleave H2 by an unstable HPh3 PCl complex yielding Ph3 PH+ and Cl- ions in solution. Moderate heating is required to accelerate the slow H2 -activation step and to eliminate HCl to form phosphine Ph3 P instead of Ph3 PH+ Cl- salt as the desired product. Though partially quenched by Ph3 P (and reactant Ph3 P=O if present), borane B(2,6-F2 C6 H3 )3 can be still combined with Cl- and Ph3 P as reactive frustrated Lewis pair (FLP) catalysts.
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Affiliation(s)
- Hui Zhu
- Mulliken Center for Theoretical Chemistry, University of Bonn, Beringstr. 4, 53115, Bonn, Germany
| | - Zheng-Wang Qu
- Mulliken Center for Theoretical Chemistry, University of Bonn, Beringstr. 4, 53115, Bonn, Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry, University of Bonn, Beringstr. 4, 53115, Bonn, Germany
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30
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31
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Sowa S, Pietrusiewicz KM. Chemoselective Reduction of the P=O Bond in the Presence of P-O and P-N Bonds in Phosphonate and Phosphinate Derivatives. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801518] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sylwia Sowa
- Department of Organic Chemistry; University of Maria Curie-Sklodowska; Gliniana 33 St. 20-614 Lublin Poland
| | - K. Michał Pietrusiewicz
- Department of Organic Chemistry; University of Maria Curie-Sklodowska; Gliniana 33 St. 20-614 Lublin Poland
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32
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33
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Bagi P, Herbay R, Varga B, Fersch D, Fogassy E, Keglevich G. The preparation and application of optically active organophosphorus compounds. PHOSPHORUS SULFUR 2018. [DOI: 10.1080/10426507.2018.1547725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Péter Bagi
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Réka Herbay
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Bence Varga
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Dávid Fersch
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Elemér Fogassy
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
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34
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Abstract
Abstract
Nucleophilic and electrophilic substitutions are the most often applied reactions in organophosphorus chemistry. They are closely interrelated, because in a reacting pair always one reagent is an electrophile, and another nucleophile. The reactions of electrophilic and nucleophilic substitutions at the phosphorus center proceed via the formation of a pentacoordinated intermediate. The mechanism of nucleophilic substitution involves the exchange of ligands in the pentacoordinate phosphorane intermediate, leading to the more stable stereomer under the thermodynamic control. Electrophilic substitution proceeds with retention of absolute configuration, whereas nucleophilic substitution with inversion of configuration at the phosphorus center.
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35
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Babouri R, Traore L, Bekro YA, Matveeva VI, Sadykova YM, Voronina JK, Burilov AR, Ayad T, Volle JN, Virieux D, Pirat JL. Golden Face of Phosphine: Cascade Reaction to Bridgehead Methanophosphocines by Intramolecular Double Hydroarylation. Org Lett 2018; 21:45-49. [PMID: 30561214 DOI: 10.1021/acs.orglett.8b03474] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Reported herein is the first example of a gold-catalyzed cyclization of bis(arylmethyl)ethynylphosphine oxides. This represents an original approach to bridgehead methanophosphocines 1, eight-membered heterocycles. Gold catalyst in combination with triflic acid activates alkyne and induces a double hydroarylation. Mechanistic studies suggest that the reaction proceeds stepwise, forming first the 1 H-isophosphinoline 2-oxide 5. Reduction and protection of the corresponding phosphine oxides 1 described herein also highlight the effectiveness of our approach to this new class of electron-rich ligands.
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Affiliation(s)
- Rachida Babouri
- ICGM, ENSCM, CNRS , Univ Montpellier , Montpellier , France.,Laboratoire d'Obtention de Substances Thérapeutiques (LOST), Université Mentouri-Constantine , Département de Chimie, Campus Chaabet Ersas , 25000 Constantine , Algeria
| | - Lanciné Traore
- ICGM, ENSCM, CNRS , Univ Montpellier , Montpellier , France.,Laboratoire de Chimie Bio Organique et de Substances Naturelles, UFR-SFA , Université Nangui Abrogoua , 02 BP 801 Abidjan 02 , Côte d'Ivoire
| | - Yves-Alain Bekro
- Laboratoire de Chimie Bio Organique et de Substances Naturelles, UFR-SFA , Université Nangui Abrogoua , 02 BP 801 Abidjan 02 , Côte d'Ivoire
| | - Victoria I Matveeva
- Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of RAS , Arbuzov str. 8 , Kazan 420088 , Russian Federation
| | - Yulia M Sadykova
- Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of RAS , Arbuzov str. 8 , Kazan 420088 , Russian Federation
| | - Julia K Voronina
- Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of RAS , Arbuzov str. 8 , Kazan 420088 , Russian Federation
| | - Alexander R Burilov
- Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of RAS , Arbuzov str. 8 , Kazan 420088 , Russian Federation
| | - Tahar Ayad
- Institut de Recherche de Chimie Paris , PSL Research University, Chimie ParisTech - CNRS , 75005 Paris , France
| | | | - David Virieux
- ICGM, ENSCM, CNRS , Univ Montpellier , Montpellier , France
| | - Jean-Luc Pirat
- ICGM, ENSCM, CNRS , Univ Montpellier , Montpellier , France
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36
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Stepen AJ, Bursch M, Grimme S, Stephan DW, Paradies J. Electrophilic Phosphonium Cation‐Mediated Phosphane Oxide Reduction Using Oxalyl Chloride and Hydrogen. Angew Chem Int Ed Engl 2018; 57:15253-15256. [DOI: 10.1002/anie.201809275] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Arne J. Stepen
- Department of ChemistryUniversity of Paderborn Warburger Strasse 100 33098 Paderborn Germany
- Department of ChemistryUniversity of Toronto 80 St. George St Toronto Ontario M5S3H6 Canada
| | - Markus Bursch
- Mulliken Center for Theoretical ChemistryUniversity of Bonn Beringstr. 4 53115 Bonn Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical ChemistryUniversity of Bonn Beringstr. 4 53115 Bonn Germany
| | - Douglas W. Stephan
- Department of ChemistryUniversity of Toronto 80 St. George St Toronto Ontario M5S3H6 Canada
| | - Jan Paradies
- Department of ChemistryUniversity of Paderborn Warburger Strasse 100 33098 Paderborn Germany
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37
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Kolodiazhnyi OI. Stereochemistry of electrophilic and nucleophilic substitution at phosphorus. PHOSPHORUS SULFUR 2018. [DOI: 10.1080/10426507.2018.1521409] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Oleg I. Kolodiazhnyi
- Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences, Kiev, Ukraine
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38
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Stepen AJ, Bursch M, Grimme S, Stephan DW, Paradies J. Reduktion von Phosphanoxiden mit Oxalylchlorid und Wasserstoff, vermittelt durch ein elektrophiles Phosphoniumkation. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809275] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Arne J. Stepen
- Department ChemieUniversität Paderborn Warburger Straße 100 33098 Paderborn Deutschland
- Department of ChemistryUniversity of Toronto 80 St. George St Toronto Ontario M5S3H6 Kanada
| | - Markus Bursch
- Mulliken Center for Theoretical ChemistryUniversität Bonn Beringstraße 4 53115 Bonn Deutschland
| | - Stefan Grimme
- Mulliken Center for Theoretical ChemistryUniversität Bonn Beringstraße 4 53115 Bonn Deutschland
| | - Douglas W. Stephan
- Department of ChemistryUniversity of Toronto 80 St. George St Toronto Ontario M5S3H6 Kanada
| | - Jan Paradies
- Department ChemieUniversität Paderborn Warburger Straße 100 33098 Paderborn Deutschland
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39
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Mungalpara MN, Wang J, Coles MP, Plieger PG, Rowlands GJ. The synthesis of a [2.2]paracyclophane-derived secondary phosphine oxide and a study of its reactivity. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.05.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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40
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Shipilovskikh SA, Vaganov VY, Denisova EI, Rubtsov AE, Malkov AV. Dehydration of Amides to Nitriles under Conditions of a Catalytic Appel Reaction. Org Lett 2018; 20:728-731. [DOI: 10.1021/acs.orglett.7b03862] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Vladimir Yu. Vaganov
- Department
of Chemistry, Perm State University, Bukireva 15, Perm 614990, Russia
| | - Elena I. Denisova
- Department
of Chemistry, Perm State University, Bukireva 15, Perm 614990, Russia
| | - Aleksandr E. Rubtsov
- Department
of Chemistry, Perm State University, Bukireva 15, Perm 614990, Russia
| | - Andrei V. Malkov
- Department
of Chemistry, Loughborough University, Loughborough, Leicestershire LE11 3TU, U.K
- Department
of Organic Chemistry, RUDN University, 6 Miklukho-Maklaya Street, Moscow 117198, Russia
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41
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Rinehart NI, Kendall AJ, Tyler DR. A Universally Applicable Methodology for the Gram-Scale Synthesis of Primary, Secondary, and Tertiary Phosphines. Organometallics 2018. [DOI: 10.1021/acs.organomet.7b00684] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- N. Ian Rinehart
- Department of Chemistry and Biochemistry, University of Oregon, 1253 University of Oregon, Eugene, Oregon 97403, United States
| | - Alexander J. Kendall
- Department of Chemistry and Biochemistry, University of Oregon, 1253 University of Oregon, Eugene, Oregon 97403, United States
| | - David R. Tyler
- Department of Chemistry and Biochemistry, University of Oregon, 1253 University of Oregon, Eugene, Oregon 97403, United States
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42
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Vetter AC, Nikitin K, Gilheany DG. Long sought synthesis of quaternary phosphonium salts from phosphine oxides: inverse reactivity approach. Chem Commun (Camb) 2018; 54:5843-5846. [DOI: 10.1039/c8cc02173b] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reaction of Grignard reagents with chlorophosphonium salts provides a conceptually new synthesis of quaternary phosphonium salts from phosphine oxides by using inverse reactivity at phosphorus.
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Affiliation(s)
- Anna C. Vetter
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
- Ireland
| | - Kirill Nikitin
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
- Ireland
| | - Declan G. Gilheany
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
- Ireland
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43
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Tejo C, Pang JH, Ong DY, Oi M, Uchiyama M, Takita R, Chiba S. Dearylation of arylphosphine oxides using a sodium hydride–iodide composite. Chem Commun (Camb) 2018; 54:1782-1785. [DOI: 10.1039/c8cc00289d] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new protocol for the dearylative functionalization of arylphosphine oxides was developed using NaH in the presence of LiI.
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Affiliation(s)
- Ciputra Tejo
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Jia Hao Pang
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Derek Yiren Ong
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Miku Oi
- Advanced Elements Chemistry Research Team
- RIKEN Center for Sustainable Resource Science, and Elements Chemistry Laboratory
- RIKEN
- Saitama 351-0198
- Japan
| | - Masanobu Uchiyama
- Advanced Elements Chemistry Research Team
- RIKEN Center for Sustainable Resource Science, and Elements Chemistry Laboratory
- RIKEN
- Saitama 351-0198
- Japan
| | - Ryo Takita
- Advanced Elements Chemistry Research Team
- RIKEN Center for Sustainable Resource Science, and Elements Chemistry Laboratory
- RIKEN
- Saitama 351-0198
- Japan
| | - Shunsuke Chiba
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
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44
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Zhao X, Gan Z, Hu C, Duan Z, Mathey F. Planar Polycyclic Oxaphosphoranes Incorporating a Benzophosphole Unit. Org Lett 2017; 19:5814-5817. [DOI: 10.1021/acs.orglett.7b02769] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Xu Zhao
- College of Chemistry and
Molecular Engineering, International Phosphorus Laboratory, International
Joint Research Laboratory for Functional Organophosphorus Materials
of Henan Province, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Zhenjie Gan
- College of Chemistry and
Molecular Engineering, International Phosphorus Laboratory, International
Joint Research Laboratory for Functional Organophosphorus Materials
of Henan Province, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Chaopeng Hu
- College of Chemistry and
Molecular Engineering, International Phosphorus Laboratory, International
Joint Research Laboratory for Functional Organophosphorus Materials
of Henan Province, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Zheng Duan
- College of Chemistry and
Molecular Engineering, International Phosphorus Laboratory, International
Joint Research Laboratory for Functional Organophosphorus Materials
of Henan Province, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - François Mathey
- College of Chemistry and
Molecular Engineering, International Phosphorus Laboratory, International
Joint Research Laboratory for Functional Organophosphorus Materials
of Henan Province, Zhengzhou University, Zhengzhou 450001, P. R. China
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45
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Ye JJ, Nie SZ, Wang JP, Wen JH, Zhang Y, Qiu MR, Zhao CQ. Nucleophilic Substitution of P-Stereogenic Chlorophosphines: Mechanism, Stereochemistry, and Stereoselective Conversions of Diastereomeric Secondary Phosphine Oxides to Tertiary Phosphines. Org Lett 2017; 19:5384-5387. [PMID: 28949150 DOI: 10.1021/acs.orglett.7b02667] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A diastereomeric mixture of secondary phosphine oxide is stereospecifically converted to chlorophosphine salt by treatment with oxalyl chloride, which stereoselectively affords P-inverted or retained tertiary phosphines, depending on the substitution with aliphatic or aromatic Grignard reagents, respectively, in high to 99% yield and 99:1 dr. The repulsion of π-electron on aryl to lone electron pair on phosphorus is proposed for the P-retained substitution.
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Affiliation(s)
- Jing-Jing Ye
- College of Chemistry and Chemical Engineering, Liaocheng University , Liaocheng, Shandong 252059, China
| | - Shao-Zhen Nie
- College of Chemistry and Chemical Engineering, Liaocheng University , Liaocheng, Shandong 252059, China
| | - Ji-Ping Wang
- College of Chemistry and Chemical Engineering, Liaocheng University , Liaocheng, Shandong 252059, China
| | - Jing-Hong Wen
- College of Chemistry and Chemical Engineering, Liaocheng University , Liaocheng, Shandong 252059, China
| | - Yu Zhang
- College of Chemistry and Chemical Engineering, Liaocheng University , Liaocheng, Shandong 252059, China
| | - Mao-Ran Qiu
- College of Chemistry and Chemical Engineering, Liaocheng University , Liaocheng, Shandong 252059, China
| | - Chang-Qiu Zhao
- College of Chemistry and Chemical Engineering, Liaocheng University , Liaocheng, Shandong 252059, China
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46
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Nie SZ, Zhou ZY, Wang JP, Yan H, Wen JH, Ye JJ, Cui YY, Zhao CQ. Nonepimerizing Alkylation of H–P Species to Stereospecifically Generate P-Stereogenic Phosphine Oxides: A Shortcut to Bidentate Tertiary Phosphine Ligands. J Org Chem 2017; 82:9425-9434. [DOI: 10.1021/acs.joc.7b01413] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shao-Zhen Nie
- College of Chemistry and
Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Zhong-Yang Zhou
- College of Chemistry and
Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Ji-Ping Wang
- College of Chemistry and
Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Hui Yan
- College of Chemistry and
Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Jing-Hong Wen
- College of Chemistry and
Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Jing-Jing Ye
- College of Chemistry and
Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Yun-Yao Cui
- College of Chemistry and
Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Chang-Qiu Zhao
- College of Chemistry and
Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
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47
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Wang CS, Dixneuf PH, Soulé JF. Ruthenium-Catalyzed C−H Bond Alkylation of Arylphosphine Oxides with Alkenes: A Straightforward Access to Bifunctional Phosphorous Ligands with a Pendent Carboxylate. ChemCatChem 2017. [DOI: 10.1002/cctc.201700557] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Chang-Sheng Wang
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes, “Organométalliques: Matériaux et Catalyse”, Campus de Beaulieu; 35042 Rennes France
| | - Pierre H. Dixneuf
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes, “Organométalliques: Matériaux et Catalyse”, Campus de Beaulieu; 35042 Rennes France
| | - Jean-François Soulé
- Institut des Sciences Chimiques de Rennes; UMR 6226 CNRS-Université de Rennes, “Organométalliques: Matériaux et Catalyse”, Campus de Beaulieu; 35042 Rennes France
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48
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Demchuk OM, Jasinski R, Strzelecka D, Dziuba K, Kula K, Chrzanowski J, Krasowska D. A clean and simple method for deprotection of phosphines from borane complexes. PURE APPL CHEM 2017. [DOI: 10.1515/pac-2017-0313] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Abstract
Simple, efficient, clean, and stereospecific protocols of protection of phosphorus atom with borane and deprotection from the borane complexes of the tertiary phosphines in mild conditions are reported. The proposed protection/deprotection reactions tolerate a range of functional groups and lead to pure products with excellent yield with no need for application of chromatographic or crystallisation purification procedures. For the first time mechanisms of the reactions of phosphine protection and deprotection have been studied based on experimental kinetic data as well as quantumchemical calculations, which allows designing reaction conditions suitable for a given substrate.
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Affiliation(s)
- Oleg M. Demchuk
- Department of Organic Chemistry , Maria Curie-Sklodowska University , 33 Gliniana St. , Lublin 20-614 , Poland
| | - Radomir Jasinski
- Institute of Organic Chemistry and Technology , Warszawska 24, Cracow University of Technology , Cracow 31-155 , Poland
| | - Dorota Strzelecka
- Department of Organic Chemistry , Maria Curie-Sklodowska University , 33 Gliniana St. , Lublin 20-614 , Poland
| | - Kamil Dziuba
- Department of Organic Chemistry , Maria Curie-Sklodowska University , 33 Gliniana St. , Lublin 20-614 , Poland
| | - Karolina Kula
- Institute of Organic Chemistry and Technology , Warszawska 24, Cracow University of Technology , Cracow 31-155 , Poland
| | - Jacek Chrzanowski
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences , Sienkiewicza 112, 90-363 Lodz , Poland
| | - Dorota Krasowska
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences , Sienkiewicza 112, 90-363 Lodz , Poland
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49
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Kendall AJ, Seidenkranz DT, Tyler DR. Improved Synthetic Route to Heteroleptic Alkylphosphine Oxides. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00304] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexander J. Kendall
- University of Oregon, Department of Chemistry and Biochemistry, 1253 University of Oregon, Eugene, Oregon 97403, United States
| | - Daniel T. Seidenkranz
- University of Oregon, Department of Chemistry and Biochemistry, 1253 University of Oregon, Eugene, Oregon 97403, United States
| | - David R. Tyler
- University of Oregon, Department of Chemistry and Biochemistry, 1253 University of Oregon, Eugene, Oregon 97403, United States
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50
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A new and convenient approach for the synthesis of P-stereogenic intermediates bearing a tert-butyl(methyl)phosphino group. RESEARCH ON CHEMICAL INTERMEDIATES 2017. [DOI: 10.1007/s11164-017-2923-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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