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Keglevich G, Varga PR, Dinnyési E, Szalai Z, Bősze S, Rita OS, Drahos L, Karaghiosoff K. N-Functionalization of β-aminophosphonates: cytotoxic effects of the new derivatives. Org Biomol Chem 2024; 22:3940-3950. [PMID: 38682553 DOI: 10.1039/d4ob00243a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
β-Aminophosphonates obtained by the Michael addition of primary amines to the double bond of diethyl vinylphosphonate proved to be suitable starting materials (amine components) in the Kabachnik-Fields reaction with formaldehyde and dialkyl phosphites or secondary phosphine oxides to afford N-phosphonylmethyl- and N-phosphinoylmethyl-β-aminophosphonates. On the other hand, the starting aminophosphonates were modified by N-acylation using acid chlorides. The N-acyl products were found to exist in a dynamic equilibrium of two conformers as suggested by the broad NMR signals. At 26 °C, there may be rotation around the N-C axis of the acylamide function. At the same time, low-temperature NMR measurements at -5 °C revealed the presence of two distinct rotamers that could be characterized by 31P, 13C and 1H NMR data. The modified β-aminophosphonic derivatives were subjected to a comparative structure-activity analysis on MDA-MB-231, PC-3, A431 and Ebc-1 tumor cell lines, and in a few cases, significant activity was detected.
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Affiliation(s)
- György Keglevich
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary.
| | - Petra Regina Varga
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary.
| | - Emőke Dinnyési
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary.
| | - Zsuzsanna Szalai
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary.
| | - Szilvia Bősze
- HUN-REN-ELTE, Research Group of Peptide Chemistry, Hungarian Research Network, H-1117 Budapest, Hungary
| | - Oláhné Szabó Rita
- HUN-REN-ELTE, Research Group of Peptide Chemistry, Hungarian Research Network, H-1117 Budapest, Hungary
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Nagyvárad tér 4, H-1089 Budapest, Hungary
| | - László Drahos
- MS Proteomics Research Group, Research Centre for Natural Sciences, H-1117 Budapest, Hungary
| | - Konstantin Karaghiosoff
- Department Chemie, Ludwig-Maximilians-Universitat München, Butenandtstr. 5-13, D-81377 München, Germany.
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2
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Slobodyanyuk EY, Tarasiuk I, Pasichnyk T, Volochnyuk DM, Sibgatulin DO, Grygorenko OO. (Diazomethyl)dimethylphosphine Oxide - A Diazoalkane Reagent for [3+2] Cycloadditions. Chemistry 2024; 30:e202303972. [PMID: 38385831 DOI: 10.1002/chem.202303972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/08/2024] [Accepted: 02/22/2024] [Indexed: 02/23/2024]
Abstract
A safe and efficient method for the in-situ preparation of (diazomethyl)dimethylphosphine oxide - a hereto unexplored diazoalkane reagent - is developed. The method is based on the diazotization of the corresponding P(O)Me2-substituted amine (readily available in multigram quantities) in non-aqueous media. The protocol provides the target product as ca. 1.5 M CHCl3 solution which is stable at -18 °C. The utility of the synthesized diazoalkane is illustrated by its [3+2] cycloaddition with electron-poor alkynes and alkenes providing the corresponding P(O)Me2-substituted pyrazoles and pyrazolines with moderate to good efficiency. In this view, the title compound represents and an important extension of medicinally relevant phosphine oxide reagents.
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Affiliation(s)
- Evgeniy Y Slobodyanyuk
- Enamine Ltd., Winston Churchill Street 78, Kyїv, 02094, Ukraine
- Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyїv, 01601, Ukraine
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Akademik Kukhar Street 5, Kyїv, 02660, Ukraine
| | - Ilona Tarasiuk
- Enamine Ltd., Winston Churchill Street 78, Kyїv, 02094, Ukraine
- Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyїv, 01601, Ukraine
| | - Taras Pasichnyk
- Enamine Ltd., Winston Churchill Street 78, Kyїv, 02094, Ukraine
- Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyїv, 01601, Ukraine
| | - Dmitriy M Volochnyuk
- Enamine Ltd., Winston Churchill Street 78, Kyїv, 02094, Ukraine
- Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyїv, 01601, Ukraine
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Akademik Kukhar Street 5, Kyїv, 02660, Ukraine
| | | | - Oleksandr O Grygorenko
- Enamine Ltd., Winston Churchill Street 78, Kyїv, 02094, Ukraine
- Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyїv, 01601, Ukraine
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3
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Afonin MY, Martynenko PA, Kolybalov DS, Khisamov RM, Konchenko SN, Sukhikh TS. Pd(II)- and Pt(II)-Assisted P-C Activation/Cyclization Reactions with a Luminescent α-Aminophosphine. Inorg Chem 2024; 63:369-380. [PMID: 37988741 DOI: 10.1021/acs.inorgchem.3c03271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
There is unceasing interest toward transformations of phosphine derivatives, which are facilitated by transition metals. We report a facile Pd(II)- and Pt(II)-assisted P-C bond cleavage in a luminescent 2-phenylbenzothiazole-based α-methylaminophosphine (PCN, 1). Specifically, reactions between 1 and [M(COD)Cl2] (M = Pd, Pt; COD = cycloocta-1,5-diene) in different solvents (methylene chloride, acetonitrile, pyridine, toluene) resulted in the formation of PPh2-, captured either as a bridging ligand in binuclear complexes with a {M2(PPh2)2} moiety or as an adduct to COD in [Pt2(PPh2COD)2Cl2]. The heterocyclic part transforms to annulated c-CN+ species with a 1,2-dihydroquinazoline cycle formed. In the presence of pyridine as a base, annulated form c-CN+ destabilizes and undergoes reverse cyclization transforming to deprotonated CN form. Quantum-chemical density functional theory (DFT) calculations predict that a crucial step in the reactions involves proton transfer from the N atom of the amino group of PCN to a neighboring molecule. A combination of high photophysical sensitivity of c-CN+ toward its immediate environment and rich structural capabilities in assembling (c-CN)22+ pairs in different crystal packings in a family of phases with the general formula (c-CN)2[M2(PPh2)2Cl4] allows one to fine-tune the luminescence properties of the latter. The results were rationalized as a variation of π-π intercationic spacings, which tunes the degree of excited-state charge transfer between c-CN+ cations. As a result, compounds with relatively short interplanar π-π-separation between the cations show a stronger charge-transfer-mediated bathochromic shift.
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Affiliation(s)
- Mikhail Yu Afonin
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russia
| | - Pavel A Martynenko
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russia
| | - Dmitry S Kolybalov
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russia
- Department of Natural Sciences, National Research University─Novosibirsk State University, Novosibirsk 630090, Russia
| | - Radmir M Khisamov
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russia
| | - Sergey N Konchenko
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russia
- Department of Natural Sciences, National Research University─Novosibirsk State University, Novosibirsk 630090, Russia
| | - Taisiya S Sukhikh
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russia
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4
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Varga PR, Szabó RO, Dormán G, Bősze S, Keglevich G. Cytotoxic Activity of α-Aminophosphonic Derivatives Coming from the Tandem Kabachnik–Fields Reaction and Acylation. Pharmaceuticals (Basel) 2023; 16:ph16040506. [PMID: 37111263 PMCID: PMC10144033 DOI: 10.3390/ph16040506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/17/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Encouraged by the significant cytotoxic activity of simple α-aminophosphonates, a molecular library comprising phosphonoylmethyl- and phosphinoylmethyl-α-aminophosphonates, a tris derivative, and N-acylated species was established. The promising aminophosphonate derivatives were subjected to a comparative structure–activity analysis. We evaluated 12 new aminophosphonate derivatives on tumor cell cultures of different tissue origins (skin, lung, breast, and prostate). Several derivatives showed pronounced, even selective cytostatic effects. According to IC50 values, phosphinoylmethyl-aminophosphonate derivative 2e elicited a significant cytostatic effect on breast adenocarcinoma cells, but it was even more effective against prostatic carcinoma cells. Based on our data, these new compounds exhibited promising antitumor activity on different tumor types, and they might represent a new group of alternative chemotherapeutic agents.
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Affiliation(s)
- Petra R. Varga
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
| | - Rita Oláhné Szabó
- ELKH-ELTE Research Group of Peptide Chemistry, Eötvös Loránd Research Network (ELKH), Eötvös Loránd University (ELTE), 1117 Budapest, Hungary
- Department of Genetics, Cell and Immunobiology, Semmelweis University, 1089 Budapest, Hungary
| | - György Dormán
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
- TargetEx Biosciences, Ltd., 2120 Dunakeszi, Hungary
| | - Szilvia Bősze
- ELKH-ELTE Research Group of Peptide Chemistry, Eötvös Loránd Research Network (ELKH), Eötvös Loránd University (ELTE), 1117 Budapest, Hungary
- Correspondence: (S.B.); (G.K.); Tel.: +36-1-463-1111 (ext. 5883) (G.K.)
| | - György Keglevich
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
- Correspondence: (S.B.); (G.K.); Tel.: +36-1-463-1111 (ext. 5883) (G.K.)
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5
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Varga PR, Karaghiosoff K, Sári ÉV, Simon A, Hegedűs L, Drahos L, Keglevich G. New N-acyl- as well as N-phosphonoylmethyl- and N-phosphinoylmethyl-α-amino-benzylphosphonates by acylation and a tandem Kabachnik-Fields protocol. Org Biomol Chem 2023; 21:1709-1718. [PMID: 36723166 DOI: 10.1039/d3ob00010a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Diethyl α-benzylamino- and α-amino-benzylphosphonates obtained by the Kabachnik-Fields reaction were useful intermediates in the synthesis of other derivatives. Acylation of α-aminophosphonates with acyl chlorides led to the corresponding N-acyl species existing under a dynamic equilibrium of two conformers. Judging from the broad NMR signals, the sterically most crowded N-benzoyl-N-benzyl derivative suffered a hindered rotation around the N-C axis to the acyl carbon atom at 26 °C. Low temperature NMR measurements at -10 °C showed the presence of two distinct rotamers that were characterized. The other acylated α-amino-benzylphosphonates prepared revealed a less hindered rotation. Single crystal X-ray diffraction of the NH-propionyl species showed a dimer, in which the two molecules were held together by rare intermolecular PO⋯HN bonds. On the other hand, substituted α-benzylamino-benzylphosphonates prepared by phospha-Mannich reactions were employed, as a new approach, in a second Kabachnik-Fields condensation by reaction with formaldehyde and dialkyl phosphites or secondary phosphine oxides to afford novel N-phosphonoylmethyl- and N-phosphinoylmethyl-α-amino-benzylphosphonates. The structure of the new products was confirmed by two-dimensional NMR spectroscopy. A symmetrical bis derivative was prepared in a diastereoselective manner. A related tris(phosphonoylmethyl)amine species was also synthesized.
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Affiliation(s)
- Petra Regina Varga
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary.
| | - Konstantin Karaghiosoff
- Department Chemie, Ludwig-Maximilians-Universitat München, Butenandtstr. 5-13, D-81377 München, Germany
| | - Éva Viktória Sári
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary.
| | - András Simon
- Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, 1521 Budapest, Hungary
| | - László Hegedűs
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary.
| | - László Drahos
- MS Proteomics Research Group, Research Centre for Natural Sciences, 1117 Budapest, Hungary
| | - György Keglevich
- Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary.
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6
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Theiss T, Buss S, Maisuls I, López-Arteaga R, Brünink D, Kösters J, Hepp A, Doltsinis NL, Weiss EA, Strassert CA. Room-Temperature Phosphorescence from Pd(II) and Pt(II) Complexes as Supramolecular Luminophores: The Role of Self-Assembly, Metal-Metal Interactions, Spin-Orbit Coupling, and Ligand-Field Splitting. J Am Chem Soc 2023; 145:3937-3951. [PMID: 36780431 DOI: 10.1021/jacs.2c09775] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
The synthesis as well as the structural and photophysical characterization of two isoleptic bis-cyclometalated Pt(II) and Pd(II) complexes, namely [PtL] and [PdL], bearing a tailored dianionic tetradentate ligand (L2-) are reported. The isostructural character and intermolecular interactions of [PtL] and [PdL] were assessed by NMR spectroscopy and X-ray diffraction analysis. Both complexes show fully ligand-controlled aggregation, demonstrating that a judicious molecular design can tune the photophysical properties. In fact, by introduction of fluorine atoms on defined positions and methoxy groups on complementary sites, metal-metal interactions can be forced by a head-to-tail stacking. Hence, [PtL] shows luminescence from metal-perturbed ligand-centered or from metal-metal-to-ligand charge-transfer triplet states in diluted solutions, in frozen glasses and in crystals, with high photoluminescence quantum yields and long lifetimes in the microsecond range. At room temperature (RT) in concentrated fluid solutions, the palladium analogue [PdL] surprisingly emits luminescence from aggregated species involving supramolecular interactions. Time-resolved photoluminescence and transient absorption spectroscopies demonstrated that ultrafast intersystem crossing occurs for both metals, which outruns any competitive relaxation pathway from the photoexcited singlet state. Furthermore, we demonstrate that the radiationless deactivation can be suppressed in frozen glassy matrices at 77 K and by intermolecular interactions in fluid solutions at RT. In both cases and as indicated by density functional theory calculations, the lowest emissive state acts as an energy trap from which the thermal population of dissociative states with formal occupation of an antibonding Pd-centered 4dx2-y2 orbital is suppressed. This occurs as the energy gap between the emissive and the dark states surpasses kT.
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Affiliation(s)
- Tobias Theiss
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
- CiMIC, SoN, CeNTech, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, 48149 Münster, Germany
| | - Stefan Buss
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
- CiMIC, SoN, CeNTech, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, 48149 Münster, Germany
| | - Iván Maisuls
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
- CiMIC, SoN, CeNTech, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, 48149 Münster, Germany
| | - Rafael López-Arteaga
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, Illinois 60208-3113, United States
| | - Dana Brünink
- Institut für Festkörpertheorie and Center for Multiscale Theory and Computation, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany
| | - Jutta Kösters
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
| | - Nikos L Doltsinis
- Institut für Festkörpertheorie and Center for Multiscale Theory and Computation, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany
| | - Emily A Weiss
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd., Evanston, Illinois 60208-3113, United States
| | - Cristian A Strassert
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
- CiMIC, SoN, CeNTech, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, 48149 Münster, Germany
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7
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Affiliation(s)
| | - Brian R. James
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada
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8
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Varga PR, Keglevich G. Synthesis of α-Aminophosphonates and Related Derivatives; the Last Decade of the Kabachnik-Fields Reaction. Molecules 2021; 26:2511. [PMID: 33923090 PMCID: PMC8123346 DOI: 10.3390/molecules26092511] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/07/2021] [Accepted: 04/17/2021] [Indexed: 11/21/2022] Open
Abstract
The Kabachnik-Fields reaction, comprising the condensation of an amine, oxo compound and a P-reagent (generally a >P(O)H species or trialkyl phosphite), still attracts interest due to the challenging synthetic procedures and the potential biological activity of the resulting α-aminophosphonic derivatives. Following the success of the first part (Molecules 2012, 17, 12821), here we summarize the synthetic developments in this field accumulated in the last decade. The procedures compiled include catalytic accomplishments as well as catalyst-free and/or solvent-free "greener" protocols. The products embrace α-aminophosphonates, α-aminophosphinates, and α-aminophosphine oxides along with different bis derivatives from the double phospha-Mannich approach. The newer developments of the aza-Pudovik reactions are also included.
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Affiliation(s)
| | - György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary;
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9
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Keglevich G. Microwaves as "Co-Catalysts" or as Substitute for Catalysts in Organophosphorus Chemistry. Molecules 2021; 26:1196. [PMID: 33672361 PMCID: PMC7926777 DOI: 10.3390/molecules26041196] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 11/16/2022] Open
Abstract
The purpose of this review is to summarize the importance of microwave (MW) irradiation as a kind of catalyst in organophosphorus chemistry. Slow or reluctant reactions, such as the Diels-Alder cycloaddition or an inverse-Wittig type reaction, may be performed efficiently under MW irradiation. The direct esterification of phosphinic and phosphonic acids, which is practically impossible on conventional heating, may be realized under MW conditions. Ionic liquid additives may promote further esterifications. The opposite reaction, the hydrolysis of P-esters, has also relevance among the MW-assisted transformations. A typical case is when the catalysts are substituted by MWs, which is exemplified by the reduction of phosphine oxides, and by the Kabachnik-Fields condensation affording α-aminophosphonic derivatives. Finally, the Hirao P-C coupling reaction may serve as an example, when the catalyst may be simplified under MW conditions. All of the examples discussed fulfill the expectations of green chemistry.
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Affiliation(s)
- György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
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10
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Shilpa T, Ann Harry N, Ujwaldev SM, Anilkumar G. An Overview of Microwave‐Assisted Kabachnik‐Fields Reactions. ChemistrySelect 2020. [DOI: 10.1002/slct.202000693] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Thomas Shilpa
- School of Chemical SciencesMahatma Gandhi University Priyadarsini Hills P O, Kottayam Kerala India 686560
| | - Nissy Ann Harry
- School of Chemical SciencesMahatma Gandhi University Priyadarsini Hills P O, Kottayam Kerala India 686560
| | | | - Gopinathan Anilkumar
- School of Chemical SciencesMahatma Gandhi University Priyadarsini Hills P O, Kottayam Kerala India 686560
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Keglevich G, Kiss NZ, Bálint E, Henyecz R, Grün A, Mucsi Z. Microwave irradiation and catalysis in organophosphorus chemistry. PHOSPHORUS SULFUR 2019. [DOI: 10.1080/10426507.2018.1521406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Nóra Zsuzsa Kiss
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Erika Bálint
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Réka Henyecz
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Alajos Grün
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Zoltán Mucsi
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
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12
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Application of the Microwave Technique in Continuous Flow Processing of Organophosphorus Chemical Reactions. MATERIALS 2019; 12:ma12050788. [PMID: 30866480 PMCID: PMC6427270 DOI: 10.3390/ma12050788] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 02/28/2019] [Accepted: 03/01/2019] [Indexed: 12/22/2022]
Abstract
The microwave (MW) technique is an efficient tool in the realization of organic reactions, as well as in the analytical field and in the food industry. The continuous flow approach is of special interest as a promising way to scale-up MW-assisted syntheses. Besides summarizing the batch precedents, this review focuses on the utilization of the MW technique in the continuous-flow realization of organophosphorus transformations. The advantages of the continuous flow technique against the batch accomplishment are also shown. A few materials chemistry-related applications are also mentioned.
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13
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Bálint E, Tripolszky A, Hegedűs L, Keglevich G. Microwave-assisted synthesis of N,N-bis(phosphinoylmethyl)amines and N,N,N-tris(phosphinoylmethyl)amines bearing different substituents on the phosphorus atoms. Beilstein J Org Chem 2019; 15:469-473. [PMID: 30873230 PMCID: PMC6404400 DOI: 10.3762/bjoc.15.40] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 01/30/2019] [Indexed: 11/23/2022] Open
Abstract
A family of N,N-bis(phosphinoylmethyl)amines bearing different substituents on the phosphorus atoms was synthesized by the microwave-assisted and catalyst-free Kabachnik-Fields reaction of (aminomethyl)phosphine oxides with paraformaldehyde and diphenylphosphine oxide. The three-component condensation of N,N-bis(phosphinoylmethyl)amine, paraformaldehyde and a secondary phosphine oxide affording N,N,N-tris(phosphinoylmethyl)amine derivatives was also elaborated. This method is a novel approach for the synthesis of the target products.
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Affiliation(s)
- Erika Bálint
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
| | - Anna Tripolszky
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
| | - László Hegedűs
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
| | - György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
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14
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Keglevich G, Kiss NZ, Henyecz R, Mucsi Z. Microwave irradiation and catalysis in organophosphorus reactions. PURE APPL CHEM 2019. [DOI: 10.1515/pac-2018-0501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Abstract
The usual advantage of microwave (MW) assistance is making organic reactions faster and more efficient. In this article we present reaction types from organophosphorus chemistry, when MW-assisted transformations (e.g. the direct esterification and alkylating esterification of phosphinic acids) may be promoted by suitable catalysts, or vice versa, when a catalytic reaction is enhanced by MW irradiation (e.g. the Arbuzov reaction of aryl halides), and when catalysts may be omitted or simplified under MW irradiation as shown by the alkylation of active methylene containing P=O substrates/the Kabachnik–Fields reaction/deoxygenation of phosphine oxides, and the Hirao reaction, respectively.
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Affiliation(s)
- György Keglevich
- Department of Organic Chemistry and Technology , Budapest University of Technology and Economics , 1521 Budapest , Hungary
| | - Nóra Zsuzsa Kiss
- Department of Organic Chemistry and Technology , Budapest University of Technology and Economics , 1521 Budapest , Hungary
| | - Réka Henyecz
- Department of Organic Chemistry and Technology , Budapest University of Technology and Economics , 1521 Budapest , Hungary
| | - Zoltán Mucsi
- Department of Organic Chemistry and Technology , Budapest University of Technology and Economics , 1521 Budapest , Hungary
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15
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Keglevich G. The Impact of Microwaves on Organophosphorus Chemistry. CHEM REC 2018; 19:65-76. [DOI: 10.1002/tcr.201800006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 03/22/2018] [Indexed: 01/20/2023]
Affiliation(s)
- György Keglevich
- Department of Organic Chemistry and TechnologyBudapest University of Technology and Economics 1521 Budapest Hungary
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16
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Bálint E, Tajti Á, Tripolszky A, Keglevich G. Synthesis of platinum, palladium and rhodium complexes of α-aminophosphine ligands. Dalton Trans 2018; 47:4755-4778. [PMID: 29565437 DOI: 10.1039/c8dt00178b] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
α-Aminophosphine-type ligands are of interest as building blocks of transition metal complexes. This review focuses on the utilization of α-aminophosphines as monodentate and bidentate ligands in platinum, palladium and rhodium complexes. Besides the linear derivatives, the applications of cyclic α-aminophosphines as ligands are also summarized. Various aspects, such as synthesis, structure and applications, as well as the catalytic activity of these complexes are discussed.
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Affiliation(s)
- Erika Bálint
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary.
| | - Ádám Tajti
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary.
| | - Anna Tripolszky
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary.
| | - György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary.
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17
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Synthesis and utilization of optically active α-aminophosphonate derivatives by Kabachnik-Fields reaction. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.07.060] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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18
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Long Z, Mao L, Liu M, Wan Q, Wan Y, Zhang X, Wei Y. Marrying multicomponent reactions and aggregation-induced emission (AIE): new directions for fluorescent nanoprobes. Polym Chem 2017. [DOI: 10.1039/c7py00979h] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Recent development and progress for fabrication and applications of aggregation-induced emission polymers through multicomponent reactions have been summarized in this review.
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Affiliation(s)
- Zi Long
- Department of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Liucheng Mao
- Department of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Meiying Liu
- Department of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Qing Wan
- Department of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Yiqun Wan
- Department of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Xiaoyong Zhang
- Department of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Yen Wei
- Department of Chemistry
- Nanchang University
- Nanchang 330031
- China
- Department of Chemistry and the Tsinghua Center for Frontier Polymer Research
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19
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Keglevich G, Kiss NZ, Bálint E, Bagi P, Grün A, Kovács T, Henyecz R, Ábrányi-Balogh P. Milestones in microwave-assisted organophosphorus chemistry. PHOSPHORUS SULFUR 2016. [DOI: 10.1080/10426507.2016.1211657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Nóra Z. Kiss
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Erika Bálint
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Péter Bagi
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Alajos Grün
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Tamara Kovács
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Réka Henyecz
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
| | - Péter Ábrányi-Balogh
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary
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20
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Keglevich G, Kiss NZ, Mucsi Z. Milestones in microwave-assisted organophosphorus chemistry. PURE APPL CHEM 2016. [DOI: 10.1515/pac-2016-0604] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractOur recent results in the field of microwave (MW)-assisted organophosphorus syntheses, especially regarding esterifications, condensations, substitutions and additions are surveyed. Beside making organic chemical reactions more efficient, it was possible to perform transformations that are reluctant on conventional heating. Another option is to substitute catalysts, or to simplify catalyst systems under MW conditions. It is also the purpose of this paper to elucidate the scope and limitations of the MW tool, to interpret the MW effects, and to model the distribution of the local overheatings and their beneficial effect. All these considerations are possible on the basis of the enthalpy of activations determined by us utilizing the Arrhenius equation and the pseudo first order kinetic equation.
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Affiliation(s)
- György Keglevich
- 1Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
| | - Nóra Zs. Kiss
- 1Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
| | - Zoltán Mucsi
- 1Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521 Budapest, Hungary
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21
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22
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Long Z, Liu M, Wan Q, Mao L, Huang H, Zeng G, Wan Y, Deng F, Zhang X, Wei Y. Ultrafast Preparation of AIE-Active Fluorescent Organic Nanoparticles via a “One-Pot” Microwave-Assisted Kabachnik-Fields Reaction. Macromol Rapid Commun 2016; 37:1754-1759. [DOI: 10.1002/marc.201600452] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 08/06/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Zi Long
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
| | - Meiying Liu
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
| | - Qing Wan
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
| | - Liucheng Mao
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
| | - Hongye Huang
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
| | - Guangjian Zeng
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
| | - Yiqun Wan
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
| | - Fengjie Deng
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
| | - Xiaoyong Zhang
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
| | - Yen Wei
- Department of Chemistry and the Tsinghua Center for Frontier Polymer Research; Tsinghua University; Tsinghua Park No. 1 Beijing 100084 China
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23
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Bálint E, Tóth RE, Keglevich G. Synthesis of alkyl α-aminomethyl-phenylphosphinates andN,N-bis(alkoxyphenylphosphinylmethyl)amines by the microwave-assisted Kabachnik-Fields reaction. HETEROATOM CHEMISTRY 2016. [DOI: 10.1002/hc.21343] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Erika Bálint
- MTA-BME Research Group for Organic Chemical Technology; Budapest Hungary
| | - Regina Eszter Tóth
- 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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24
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Altan O, Serindağ O, Sayın K, Karakaş D. Pd(II) complexes of novel phosphine ligands: Synthesis, characterization, and catalytic activities on Heck reaction. PHOSPHORUS SULFUR 2016. [DOI: 10.1080/10426507.2015.1119827] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Orhan Altan
- Chemistry Department, Technical Sciences Vocational School, Mersin University, Mersin, Turkey
| | - Osman Serindağ
- Science Institute, Kanuni University, Çukurova, Adana, Turkey
| | - Koray Sayın
- Faculty of Science, Department of Chemistry, Cumhuriyet University, Sivas, Turkey
| | - Duran Karakaş
- Faculty of Science, Department of Chemistry, Cumhuriyet University, Sivas, Turkey
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25
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Synthesis and use of α-aminophosphine oxides and N,N-bis(phosphinoylmethyl)amines – A study on the related ring platinum complexes. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2015.10.029] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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26
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Bálint E, Fazekas E, Tripolszky A, Kangyal R, Milen M, Keglevich G. Synthesis of α-Aminophosphonate Derivatives by Microwave-Assisted Kabachnik–Fields Reaction. PHOSPHORUS SULFUR 2015. [DOI: 10.1080/10426507.2014.984022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Erika Bálint
- MTA-BME Organic Chemical Technology Research Group, Budapest, 1521, Hungary
| | - Eszter Fazekas
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, 1521, Hungary
| | - Anna Tripolszky
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, 1521, Hungary
| | - Réka Kangyal
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, 1521, Hungary
| | - Mátyás Milen
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, 1521, Hungary
| | - György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, 1521, Hungary
- Egis Pharmaceuticals Plc., Chemical Research Division, Budapest, 1475, Hungary
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27
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Das D, Mohapatra SS, Roy S. Recent advances in heterobimetallic catalysis across a “transition metal–tin” motif. Chem Soc Rev 2015; 44:3666-90. [DOI: 10.1039/c4cs00523f] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
This review focuses on the efficacy of catalysts, based on a transition metal–tin (TM–Sn) motif and crafted on a single scaffold, in mediating a wide variety of organic transformations.
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Affiliation(s)
- Debjit Das
- Centre for Applied Chemistry
- Central University of Jharkhand
- Ranchi-835205
- India
| | - Swapna Sarita Mohapatra
- Organometallics & Catalysis Laboratory
- School of Basic Sciences
- Indian Institute of Technology
- Bhubaneswar-751013
- India
| | - Sujit Roy
- Organometallics & Catalysis Laboratory
- School of Basic Sciences
- Indian Institute of Technology
- Bhubaneswar-751013
- India
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28
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Bálint E, Fazekas E, Kóti J, Keglevich G. Synthesis ofN,N-Bis(dialkoxyphosphinoylmethyl)- andN,N-Bis(diphenylphosphinoylmethyl)-β- and γ-amino acid Derivatives by the Microwave-Assisted Double Kabachnik-Fields Reaction. HETEROATOM CHEMISTRY 2014. [DOI: 10.1002/hc.21221] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Erika Bálint
- MTA-BME Research Group for Organic Chemical Technology; 1521 Budapest Hungary
| | - Eszter Fazekas
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521 Budapest Hungary
| | - János Kóti
- Gedeon Richter Plc.; 1475 Budapest 10 Hungary
| | - György Keglevich
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521 Budapest Hungary
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29
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Procházková S, Böhmová Z, Kubíček V, Kotek J, Hermann P, Lukeš I. Phosphinate Analogues of Ida and Nta with Low Basicity of Nitrogen Atom: Acid-Base and Complexation Properties. PHOSPHORUS SULFUR 2014. [DOI: 10.1080/10426507.2014.904864] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Soňa Procházková
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 40 Prague 2, Czech Republic
| | - Zuzana Böhmová
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 40 Prague 2, Czech Republic
| | - Vojtěch Kubíček
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 40 Prague 2, Czech Republic
| | - Jan Kotek
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 40 Prague 2, Czech Republic
| | - Petr Hermann
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 40 Prague 2, Czech Republic
| | - Ivan Lukeš
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 40 Prague 2, Czech Republic
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30
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Affiliation(s)
- György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics 1521, Budapest, Hungary
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31
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Milen M, Ábrányi-Balogh P, Kangyal R, Dancsó A, Frigyes D, Keglevich G. T3P®-Mediated One-Pot Synthesis of Bis(α-aminophosphonates). HETEROATOM CHEMISTRY 2014. [DOI: 10.1002/hc.21170] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Mátyás Milen
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521 Budapest Hungary
- Egis Pharmaceuticals Plc; Chemical Research Division; 1475 Budapest Hungary
| | - Péter Ábrányi-Balogh
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521 Budapest Hungary
| | - Réka Kangyal
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521 Budapest Hungary
| | - András Dancsó
- Egis Pharmaceuticals Plc; Chemical Research Division; 1475 Budapest Hungary
| | - Dávid Frigyes
- Egis Pharmaceuticals Plc; Chemical Research Division; 1475 Budapest Hungary
| | - György Keglevich
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521 Budapest Hungary
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32
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Bálint E, Fazekas E, Drahos L, Keglevich G. The Synthesis ofN,N-Bis(dialkoxyphosphinoylmethyl)- andN,N-Bis(diphenylphosphinoylmethyl)glycine Esters by the Microwave-Assisted Double Kabachnik-Fields Reaction. HETEROATOM CHEMISTRY 2013. [DOI: 10.1002/hc.21126] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Erika Bálint
- MTA-BME Research Group for Organic Chemical Technology; 1521 Budapest Hungary
| | - Eszter Fazekas
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521 Budapest Hungary
| | - László Drahos
- Research Centre for Natural Sciences; Hungarian Academy of Sciences; 1525 Budapest Hungary
| | - György Keglevich
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521 Budapest Hungary
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33
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34
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Elsegood MRJ, Noble TA, Talib S, Smith MB. A Simple Procedure to Ditertiary Phosphinocarboxylic Acids and Their Bisphosphine Oxides. PHOSPHORUS SULFUR 2013. [DOI: 10.1080/10426507.2012.743133] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Mark R. J. Elsegood
- a Department of Chemistry, Loughborough University , Loughborough , Leicestershire , LE11 3TU , UK
| | - Thomas A. Noble
- a Department of Chemistry, Loughborough University , Loughborough , Leicestershire , LE11 3TU , UK
| | - Salem Talib
- a Department of Chemistry, Loughborough University , Loughborough , Leicestershire , LE11 3TU , UK
| | - Martin B. Smith
- a Department of Chemistry, Loughborough University , Loughborough , Leicestershire , LE11 3TU , UK
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35
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Bálint E, Takács J, Drahos L, Juranovič A, Kočevar M, Keglevich G. α-Aminophosphonates and α-Aminophosphine Oxides by the Microwave-Assisted Kabachnik-Fields Reactions of 3-Amino-6-methyl-2H-pyran-2-ones. HETEROATOM CHEMISTRY 2013. [DOI: 10.1002/hc.21086] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
| | - Judit Takács
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521; Budapest; Hungary
| | - László Drahos
- Hungarian Academy of Sciences; Chemical Research Center; 1525; Budapest; Hungary
| | - Amadej Juranovič
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; 1000; Ljubljana; Slovenia
| | - Marijan Kočevar
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; 1000; Ljubljana; Slovenia
| | - György Keglevich
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; 1521; Budapest; Hungary
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36
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Keglevich G, Bálint E. The Kabachnik-Fields reaction: mechanism and synthetic use. Molecules 2012; 17:12821-35. [PMID: 23117425 PMCID: PMC6268146 DOI: 10.3390/molecules171112821] [Citation(s) in RCA: 184] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Revised: 10/25/2012] [Accepted: 10/26/2012] [Indexed: 11/23/2022] Open
Abstract
The Kabachnik–Fields (phospha-Mannich) reaction involving the condensation of primary or secondary amines, oxo compounds (aldehydes and ketones) and >P(O)H species, especially dialkyl phosphites, represents a good choice for the synthesis of α-aminophosphonates that are of significant importance due to their biological activity. In general, these three-component reactions may take place via an imine or an α-hydroxy-phosphonate intermediate. The monitoring of a few Kabachnik–Fields reactions by in situ Fourier transform IR spectroscopy has indicated the involvement of the imine intermediate that was also justified by theoretical calculations. The Kabachnik–Fields reaction was extended to >P(O)H species, comprising cyclic phosphites, acyclic and cyclic H-phosphinates, as well as secondary phosphine oxides. On the other hand, heterocyclic amines were also used to prepare new α-amino phosphonic, phosphinic and phosphine oxide derivatives. In most cases, the synthesis under solvent-free microwave (MW) conditions is the method of choice. It was proved that, in the cases studied by us, there was no need for the use of any catalyst. Moreover, it can be said that sophisticated and environmentally unfriendly catalysts suggested are completely unnecessary under MW conditions. Finally, the double Kabachnik–Fields reaction has made available bis(phosphonomethyl)amines, bis(phosphinoxidomethyl)amines and related species. The bis(phosphinoxidomethyl)amines serve as precursors for bisphosphines that furnish ring platinum complexes on reaction with dichlorodibenzonitriloplatinum.
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Affiliation(s)
- György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary.
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