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Stogniy MY, Anufriev SA, Bogdanova EV, Gorodetskaya NA, Anisimov AA, Suponitsky KY, Grishin ID, Sivaev IB. Charge-compensated nido-carborane derivatives in the synthesis of iron(II) bis(dicarbollide) complexes. Dalton Trans 2024. [PMID: 38264799 DOI: 10.1039/d3dt03549b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
A series of stable iron(II) bis(dicarbollide) derivatives [8,8'-(RNHC(Et)HN)2-3,3'-Fe(1,2-C2B9H10)2] (R = Pr, R = Ph, (CH2)2OH, (CH2)3OH, (CH2)2NMe2) was prepared starting from FeCl2 or [FeCl2(dppe)] and the corresponding nido-carboranyl amidines [10-RNHC(Et)HN-7,8-C2B9H11]. In a similar way, the reactions of the oxonium derivatives of nido-carborane with FeCl2 in tetrahydrofuran in the presence of t-BuOK lead to the corresponding stable oxonium derivatives iron(II) bis(dicarbollide) [8,8'-(RR'O)2-3,3'-Fe(1,2-C2B9H10)2] (RR' = (CH2)4, (CH2)2O(CH2)2, (CH2)5; R = R' = Et), which can be alternatively prepared by the reaction of the parent iron(II) bis(dicarbollide) with tetrahydrofuran or 1,4-dioxane in the presence of Me2SO4. The cyclic voltammetry studies of the synthesized iron(II) bis(dicarbollide) derivatives revealed that the introduction of amidinium and oxonium substituents leads to a significant increase in the Fe2+/Fe3+ redox potential relative to the parent iron(II) bis(dicarbollide). The redox potentials of the oxonium derivatives are close to the redox potential of ferrocene and somewhat lower than redox potentials of sulfonium and phosphonium derivatives of iron(II) bis(dicarbollide).
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Affiliation(s)
- Marina Yu Stogniy
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia.
- M.V. Lomonosov Institute of Fine Chemical Technology, MIREA - Russian Technological University, Moscow, Russia
| | - Sergey A Anufriev
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia.
| | - Ekaterina V Bogdanova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia.
- M.V. Lomonosov Institute of Fine Chemical Technology, MIREA - Russian Technological University, Moscow, Russia
| | - Nadezhda A Gorodetskaya
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia.
- M.V. Lomonosov Institute of Fine Chemical Technology, MIREA - Russian Technological University, Moscow, Russia
| | - Alexei A Anisimov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia.
| | - Kyrill Yu Suponitsky
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia.
- G.V. Plekhanov Russian University of Economics, Moscow, Russia
| | - Ivan D Grishin
- Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - Igor B Sivaev
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia.
- Faculty of Chemistry, National Research University Higher School of Economics (HSE University), Moscow, Russia
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Sivaev IB. Decaborane: From Alfred Stock and Rocket Fuel Projects to Nowadays. Molecules 2023; 28:6287. [PMID: 37687117 PMCID: PMC10488552 DOI: 10.3390/molecules28176287] [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: 08/02/2023] [Revised: 08/21/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
The review covers more than a century of decaborane chemistry from the first synthesis by Alfred Stock to the present day. The main attention is paid to the reactions of the substitution of hydrogen atoms by various atoms and groups with the formation of exo-polyhedral boron-halogen, boron-oxygen, boron-sulfur, boron-nitrogen, boron-phosphorus, and boron-carbon bonds. Particular attention is paid to the chemistry of conjucto-borane anti-[B18H22], whose structure is formed by two decaborane moieties with a common edge, the chemistry of which has been intensively developed in the last decade.
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Affiliation(s)
- Igor B Sivaev
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Str., 119334 Moscow, Russia
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Klyukin IN, Kolbunova AV, Novikov AS, Nelyubin AV, Zhdanov AP, Kubasov AS, Selivanov NA, Bykov AY, Zhizhin KY, Kuznetsov NT. Synthesis of Disubstituted Carboxonium Derivatives of Closo-Decaborate Anion [2,6-B 10H 8O 2CC 6H 5] -: Theoretical and Experimental Study. Molecules 2023; 28:molecules28041757. [PMID: 36838745 PMCID: PMC9966448 DOI: 10.3390/molecules28041757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/09/2023] [Accepted: 02/09/2023] [Indexed: 02/16/2023] Open
Abstract
A comprehensive study focused on the preparation of disubstituted carboxonium derivatives of closo-decaborate anion [2,6-B10H8O2CC6H5]- was carried out. The proposed synthesis of the target product was based on the interaction between the anion [B10H11]- and benzoic acid C6H5COOH. It was shown that the formation of this product proceeds stepwise through the formation of a mono-substituted product [B10H9OC(OH)C6H5]-. In addition, an alternative one-step approach for obtaining the target derivative is postulated. The structure of tetrabutylammonium salts of carboxonium derivative ((C4H9)4N)[2,6-B10H8O2CC6H5] was established with the help of X-ray structure analysis. The reaction pathway for the formation of [2,6-B10H8O2CC6H5]- was investigated with the help of density functional theory (DFT) calculations. This process has an electrophile induced nucleophilic substitution (EINS) mechanism, and intermediate anionic species play a key role. Such intermediates have a structure in which one boron atom coordinates two hydrogen atoms. The regioselectivity for the process of formation for the 2,6-isomer was also proved by theoretical calculations. Generally, in the experimental part, the simple and available approach for producing disubstituted carboxonium derivative was introduced, and the mechanism of this process was investigated with the help of theoretical calculations. The proposed approach can be applicable for the preparation of a wide range of disubstituted derivatives of closo-borate anions.
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Affiliation(s)
- Ilya N. Klyukin
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Pr. 31, 117907 Moscow, Russia
- Correspondence: (I.N.K.); (A.S.N.)
| | - Anastasia V. Kolbunova
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Pr. 31, 117907 Moscow, Russia
| | - Alexander S. Novikov
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab. 7–9, 199034 Saint Petersburg, Russia
- Research Institute of Chemistry, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, 117198 Moscow, Russia
- Correspondence: (I.N.K.); (A.S.N.)
| | - Alexey V. Nelyubin
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Pr. 31, 117907 Moscow, Russia
| | - Andrey P. Zhdanov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Pr. 31, 117907 Moscow, Russia
| | - Alexey S. Kubasov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Pr. 31, 117907 Moscow, Russia
| | - Nikita A. Selivanov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Pr. 31, 117907 Moscow, Russia
| | - Alexander Yu. Bykov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Pr. 31, 117907 Moscow, Russia
| | - Konstantin Yu. Zhizhin
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Pr. 31, 117907 Moscow, Russia
| | - Nikolay T. Kuznetsov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Pr. 31, 117907 Moscow, Russia
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New Aspects of the Synthesis of closo-Dodecaborate Nitrilium Derivatives [B12H11NCR]− (R = n-C3H7, i-C3H7, 4-C6H4CH3, 1-C10H7): Experimental and Theoretical Studies. INORGANICS 2022. [DOI: 10.3390/inorganics10110196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The preparation of novel nitrilium derivatives of closo-dodecaborate anion [B12H11NCR]−, R = n-C3H7, i-C3H7, 4-C6H4CH3, 1-C10H7 is described. Target compounds were obtained in good yields (up to 73%). The synthesis of target borylated nitrilium derivatives was characterised by the simplicity of the chemical apparatus and the absence of the necessity for the purification of desired compounds. The crystal structures of previously obtained [B12H11NCCH3]− and novel [B12H11NCC3H7]− were established with the help of X-ray structure analysis. DFT-analysis of several nitrilium derivatives [B12H11NCR]−, R = CH3, C3H7, 4-CH3C6H4 was carried out. The main peculiarities of the C≡N bond of the exo-polyhedral substituent were revealed in terms of bond lengths, bond orders and atomic charges. The LUMO orbitals of the systems considered were examined for understanding of the electrophilic nature of the nitrilium derivatives of the closo-dodecaborate anion.
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Nelyubin AV, Sokolov MS, Selivanov NA, Bykov AY, Klyukin IN, Zhdanov AP, Zhizhin KY, Kuznetsov NT. Nucleophilic Addition of Polyfunctional Amines to Acetonitrile Derivatives of closo-Borate Anions [BnHn – 1NCCH3]– (n = 10, 12). RUSS J INORG CHEM+ 2022. [DOI: 10.1134/s003602362260109x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Julia L, Ananyev IV, Kosenko I, Serdyukov A, Stogniy MY, Sivaev IB, Grin MA, Semioshkin A, Bregadze VI. Nucleophilic addition reactions to nitrilium derivatives [B12H11NCCH3]- and [B12H11NCCH2CH3]-. Synthesis and structure of closo-dodecaborate-based iminols, amides and amidines. Dalton Trans 2022; 51:3051-3059. [DOI: 10.1039/d1dt04174f] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of the acetonitrilium and propioitrilium derivatives of closo-dodecaborate [B12H12]2- were discussed. The nucleophilic addition reactions of water, alcohols and secondary amines to the activated triple bond of the...
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Fedotova MK, Usachev MN, Bogdanova EV, Diachkova E, Vasil'ev Y, Bregadze VI, Mironov AF, Grin MA. Highly Purified Conjugates of Natural Chlorin with Cobalt Bis(dicarbollide) Nanoclusters for PDT and BNCT Therapy of Cancer. Bioengineering (Basel) 2021; 9:bioengineering9010005. [PMID: 35049714 PMCID: PMC8773115 DOI: 10.3390/bioengineering9010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 12/21/2021] [Indexed: 11/25/2022] Open
Abstract
To combine the neutron-capturing and photodynamic properties of boron nanoclusters and derivatives of natural chlorins, respectively, in one molecule, conjugate of chlorin e6 methyl ester with cyclen and dioxane and nitrile derivatives of cobalt bis(dicarbollide) were synthesized. The conditions for the purification of compounds by HPLC were selected since the work with natural compounds is complicated by the production of closely related impurities.
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Affiliation(s)
- Maria K Fedotova
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
| | - Maksim N Usachev
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
| | - Ekaterina V Bogdanova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Str., 119991 Moscow, Russia
| | - Ekaterina Diachkova
- Department of Oral Surgery, Borovsky Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St. bldg. 8\2, 119435 Moscow, Russia
- Department of Fundamental Medical Disciplines, Medical Faculty, Moscow Region State University (MRSU), Str. Radio 10 Build 1, 105005 Moscow, Russia
| | - Yuriy Vasil'ev
- Department of Operative Surgery and Topographic Anatomy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St. bldg. 8\2, 119435 Moscow, Russia
- Department of Prosthetic Dentistry, Dental Faculty, Kazan State Medical University of the Ministry of Health of Russia, Str. Butlerova 49, 420012 Kazan, Russia
| | - Vladimir I Bregadze
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Str., 119991 Moscow, Russia
| | - Andrey F Mironov
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
| | - Mikhail A Grin
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia
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Burdenkova AV, Zhdanov AP, Klyukin IN, Selivanov NA, Bykov AY, Zhizhin KY, Kuznetsov NT. Synthesis of Derivatives of closo-Dodecaborate Anion Based on Amino Acid Esters. RUSS J INORG CHEM+ 2021. [DOI: 10.1134/s0036023621110036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract
This work proposes a new method for the synthesis of N-borylated amino acids based on nucleophilic substitution reactions in the [B12H11IPh]– anion. Esters of glycine and L-phenylalanine were used as nucleophiles. The structure of the products has been determined by multinuclear NMR spectroscopy, IR spectroscopy, and ESI mass spectrometry.
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Bogdanova EV, Stogniy MY, Suponitsky KY, Sivaev IB, Bregadze VI. Synthesis of Boronated Amidines by Addition of Amines to Nitrilium Derivative of Cobalt Bis(Dicarbollide). Molecules 2021; 26:6544. [PMID: 34770953 PMCID: PMC8588172 DOI: 10.3390/molecules26216544] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 10/26/2021] [Accepted: 10/28/2021] [Indexed: 11/16/2022] Open
Abstract
A series of novel cobalt bis(dicarbollide) based amidines were synthesized by the nucleophilic addition of primary and secondary amines to highly activated B-N+≡C-R triple bond of the propionitrilium derivative [8-EtC≡N-3,3'-Co(1,2-C2B9H10)(1',2'-C2B9H11)]. The reactions with primary amines result in the formation of mixtures of E and Z isomers of amidines, whereas the reactions with secondary amines lead selectively to the E-isomers. The crystal molecular structures of E-[8-EtC(NMe2)=HN-3,3'-Co(1,2-C2B9H10)(1',2'-C2B9H11)], E-[8-EtC(NEt2)=HN-3,3'-Co(1,2- C2B9H10)(1',2'-C2B9H11)] and E-[8-EtC(NC5H10)=HN-3,3'-Co(1,2-C2B9H10)(1',2'-C2B9H11)] were determined by single crystal X-ray diffraction.
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Affiliation(s)
- Ekaterina V. Bogdanova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 119991 Moscow, Russia; (E.V.B.); (K.Y.S.); (I.B.S.); (V.I.B.)
- M.V. Lomonosov Institute of Fine Chemical Technology, MIREA—Russian Technological University, 86 Vernadsky Av., 119571 Moscow, Russia
| | - Marina Yu. Stogniy
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 119991 Moscow, Russia; (E.V.B.); (K.Y.S.); (I.B.S.); (V.I.B.)
- M.V. Lomonosov Institute of Fine Chemical Technology, MIREA—Russian Technological University, 86 Vernadsky Av., 119571 Moscow, Russia
| | - Kyrill Yu. Suponitsky
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 119991 Moscow, Russia; (E.V.B.); (K.Y.S.); (I.B.S.); (V.I.B.)
- Basic Department of Chemistry of Innovative Materials and Technologies, G.V. Plekhanov Russian University of Economics, 36 Stremyannyi Line, 117997 Moscow, Russia
| | - Igor B. Sivaev
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 119991 Moscow, Russia; (E.V.B.); (K.Y.S.); (I.B.S.); (V.I.B.)
| | - Vladimir I. Bregadze
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 119991 Moscow, Russia; (E.V.B.); (K.Y.S.); (I.B.S.); (V.I.B.)
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Nelyubin AV, Selivanov NA, Klyukin IN, Bykov AY, Zhdanov AP, Zhizhin KY, Kuznetsov NT. New Method for Synthesis of Substituted N-Borylated Dipeptides Based on Acetonitrile Derivative of the closo-Dodecaborate Anion. RUSS J INORG CHEM+ 2021. [DOI: 10.1134/s0036023621090096] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Abstract
A new multistage synthesis of the N-borylated dipeptide B12-PheGlyOH has been proposed. The approach is based on the reaction of nucleophilic addition of amino acid derivatives to the [B12H11NCCH3]– anion. The products of each stage have been characterized by multinuclear NMR spectroscopy, IR absorption spectroscopy, and ESI mass spectrometry.
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Konoplev VE, Dolgushin FM, Loginov DA, Tachaev MV. Step-by-step polyhedral contraction of the osmacarborane framework {OsCB10} → {OsCB9} → {OsCB8}. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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El Anwar S, Růžičková Z, Bavol D, Fojt L, Grüner B. Tetrazole Ring Substitution at Carbon and Boron Sites of the Cobalt Bis(dicarbollide) Ion Available via Dipolar Cycloadditions. Inorg Chem 2020; 59:17430-17442. [DOI: 10.1021/acs.inorgchem.0c02719] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Suzan El Anwar
- The Institute of Inorganic Chemistry of the Czech Academy of Sciences, Řež 25068, Czech Republic
| | - Zdeňka Růžičková
- The Department of General and Inorganic Chemistry, Faculty of Chemical Technology, Studentská 573, University of Pardubice, Pardubice 53210, Czech Republic
| | - Dmytro Bavol
- The Institute of Inorganic Chemistry of the Czech Academy of Sciences, Řež 25068, Czech Republic
| | - Lukáš Fojt
- The Institute of Biophysics of the Academy of Sciences of the Czech Republic, v.v.i., Královopolská 135, Brno 61265, Czech Republic
| | - Bohumír Grüner
- The Institute of Inorganic Chemistry of the Czech Academy of Sciences, Řež 25068, Czech Republic
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