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Chuprin AS, Pavlov AA, Vologzhanina AV, Dorovatovskii PV, Makarenkov AV, Ol'shevskaya VA, Dudkin SV, Voloshin YZ. Multistep synthesis and X-ray structures of carboxyl-terminated hybrid iron(II) phthalocyaninatoclathrochelates and their postsynthetic transformation into polytopic carboranyl-containing derivatives. Dalton Trans 2023; 52:3884-3895. [PMID: 36877091 DOI: 10.1039/d3dt00076a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
A multistep general synthetic strategy towards polytopic carboranyl-containing (semi)clathrochelate metal complexes, based on the template synthesis, transmetallation, amide condensation and 1,3-dipolar cycloaddition reactions, is developed. Their mono(semi)clathrochelate precursors with a single reactive group were obtained using a transmetallation of the triethylantimony-capped macrobicyclic precursor. The thus obtained carboxyl-terminated iron(II) semiclathrochelate underwent a macrobicyclization with zirconium(IV) phthalocyaninate to form the corresponding phthalocyaninatoclathrochelate. The direct one-pot template condensation of the suitable chelating and cross-linking ligand synthons on the Fe2+ ion as a matrix was also used for its preparation. Further amide condensation of the aforementioned semiclathrochelate and hybrid complexes with propargylamine in the presence of carbonyldiimidazole gave the (pseudo)cage derivatives with a terminal CC bond. Their "click" reaction with an appropriate carboranylmethyl azide afforded the ditopic carboranosemiclathrochelates and the tritopic carboranyl-containing phthalocyaninatoclathrochelates with a flexible spacer fragment between their polyhedral entities. The obtained new complexes were characterized using elemental analysis, MALDI-TOF mass spectrometry, multinuclear NMR, and UV-vis spectroscopy, and by single crystal X-ray diffraction experiments. Their FeN6-coordination polyhedra show a truncated trigonal-pyramidal geometry, while the cross-linking heptacoordinate Zr4+ or Hf4+ cations in the hybrid compounds form the MIVN4O3-coordination polyhedra with the geometry of a capped trigonal prism.
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Affiliation(s)
- Alexander S Chuprin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28-1 Vavilova st., 119334 Moscow, Russia.
| | - Alexander A Pavlov
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28-1 Vavilova st., 119334 Moscow, Russia.
- BMSTU Center of National Technological Initiative "Digital Material Science: New Material and Substances", Bauman Moscow State Technical University, 2nd Baumanskaya st. 5, 105005, Moscow, Russia
| | - Anna V Vologzhanina
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28-1 Vavilova st., 119334 Moscow, Russia.
| | - Pavel V Dorovatovskii
- National Research Center Kurchatov Institute, 1 Kurchatova pl., 123098, Moscow, Russia
| | - Anton V Makarenkov
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28-1 Vavilova st., 119334 Moscow, Russia.
| | - Valentina A Ol'shevskaya
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28-1 Vavilova st., 119334 Moscow, Russia.
| | - Semyon V Dudkin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28-1 Vavilova st., 119334 Moscow, Russia.
| | - Yan Z Voloshin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28-1 Vavilova st., 119334 Moscow, Russia.
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
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Belova SA, Belov AS, Efimov NN, Pavlov AA, Nelubina YV, Novikov VV, Voloshin YZ. Synthesis, Structure, and Magnetic Properties of Ditopic Ferrocenylboron-Capped Tris-Pyridineoximate Iron, Cobalt, and Nickel(II) Pseudoclathrochelates. RUSS J INORG CHEM+ 2022. [DOI: 10.1134/s0036023622080034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Abstract
Tris-pyridineoximate iron, cobalt, and nickel(II) pseudoclathrochelates with apical ferrocenyl substituent were obtained in the reasonable yields (50–70%) in a boiling ethanol by the template condensation of 2-acetylpyridineoxime with ferrocenylboronic acid on the corresponding M2+ ion as a matrix. The composition and structure of new ditopic compounds, isolated in the forms of their ionic associates with perchlorate anion, were determined using elemental analysis, UV-vis spectroscopy, MALDI-TOF mass spectrometry, and NMR spectroscopy. According to the magnetometry data, the iron(II) pseudoclathrochelate is a diamagnetic compound, while the temperature dependences of magnetic susceptibility of the nickel and cobalt(II) complexes are characteristic of the high-spin systems with S = 1 and 3/2, respectively. As follows from the X-ray diffraction data for the iron and nickel(II) pseudoclathrochelates, the Ni–N distances (2.15–2.17 Å) are characteristic of the high-spin Ni2+ complexes, while they in its iron(II)-containing analog, slightly exceed of 2 Å, thus suggesting the low-spin state of this ion.
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Romanenko NR, Kuzmin AV, Mikhailenko MV, Faraonov MA, Khasanov SS, Yudanova EI, Shestakov AF, Otsuka A, Yamochi H, Kitagawa H, Konarev DV. Trinuclear coordination assemblies of low-spin dicyano manganese(II) ( S = 1/2) and iron(II) ( S = 0) phthalocyanines with manganese(II) acetylacetonate, tris(cyclopentadienyl)gadolinium(III) and neodymium(III). Dalton Trans 2022; 51:9770-9779. [PMID: 35704389 DOI: 10.1039/d2dt01052f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction of MnIIPc, FeIIPc or FeIIPcCl16 with KCN in the presence of cryptand[2.2.2] yielded dicyano-complexes {cryptand(K+)}2{MII(CN)2(macrocycle2-)}2-·XC6H4Cl2 (M = Mn and Fe, X = 1 and 2) that were used for the preparation of trinuclear assemblies of the general formula {cryptand(K+)}2{MII(CN)2Pc·(ML)2}2-·nC6H4Cl2 (MII = MnII and FeII; n = 1, 4 and 5). These assemblies were formed via coordination of two manganese(II) acetylacetonate (ML = MnII(acac)2, S = 5/2), tris(cyclopentadienyl)gadolinium (ML = Cp3GdIII, S = 7/2) or tris(cyclopentadienyl)neodymium (ML = Cp3NdIII, S = 3/2) units to the nitrogen atoms of bidentate cyano ligands. The N(CN)-Mn{MnII(acac)2} bond is 2.129(3) Å long but the bonds are elongated to 2.43-2.49 Å for tris(cyclopentadienyl)lanthanides. {Cryptand(K+)}2{MnII(CN)2Pc·(MnII(acac)2)2}2-·5C6H4Cl2 (2) contains three Mn(II) ions in different spin states (S = 5/2 and 1/2). Strong antiferromagnetic coupling of spins observed between them with the exchange interaction (J) of -17.6 cm-1 enables the formation of a high S = 9/2 spin state for {MnII(CN)2Pc·(MnII(acac)2)2}2- dianions at 2 K. The estimated exchange interaction between MnII (S = 1/2) and GdIII (S = 7/2) spins in {MnII(CN)2Pc·(Cp3GdIII)2}2- is only -1.1 cm-1, and in contrast to 2, nearly independent GdIII and MnII centers are formed. As a result, no transition to the high-spin state is observed in {MnII(CN)2Pc·(Cp3GdIII)2}2-. The {MnII(CN)2Pc·(Cp3NdIII)2}2- and{FeII(CN)2Pc·(Cp3NdIII)2}2- dianions with Cp3NdIII show a decrease of χMT values in the whole studied temperature range (300-1.9 K). A similar behaviour was found previously for pristine Cp3NdIII and Cp3NdIII·L complexes (L = alkylisocyanide ligand).
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Affiliation(s)
- Nikita R Romanenko
- Institute of Problems of Chemical Physics, RAS, Chernogolovka, Moscow region, 142432 Russia.
| | - Alexey V Kuzmin
- Institute of Solid State Physics, RAS, Chernogolovka, Moscow region, 142432 Russia
| | - Maxim V Mikhailenko
- Institute of Problems of Chemical Physics, RAS, Chernogolovka, Moscow region, 142432 Russia.
| | - Maxim A Faraonov
- Institute of Problems of Chemical Physics, RAS, Chernogolovka, Moscow region, 142432 Russia.
| | - Salavat S Khasanov
- Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
| | - Evgeniya I Yudanova
- Institute of Problems of Chemical Physics, RAS, Chernogolovka, Moscow region, 142432 Russia.
| | - Alexander F Shestakov
- Institute of Problems of Chemical Physics, RAS, Chernogolovka, Moscow region, 142432 Russia.
| | - Akihiro Otsuka
- Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.,Research Center for Low Temperature and Materials Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Hideki Yamochi
- Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.,Research Center for Low Temperature and Materials Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Hiroshi Kitagawa
- Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
| | - Dmitri V Konarev
- Institute of Problems of Chemical Physics, RAS, Chernogolovka, Moscow region, 142432 Russia.
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Dudkin SV, Chuprin AS, Belova SA, Vologzhanina AV, Zubavichus YV, Kaletina PM, Shundrina IK, Bagryanskaya EG, Voloshin YZ. Hybrid iron(II) phthalocyaninatoclathrochelates with a terminal reactive vinyl group and their organo-inorganic polymeric derivatives: synthetic approaches, X-ray structures and copolymerization with styrene. Dalton Trans 2022; 51:5645-5659. [PMID: 35322826 DOI: 10.1039/d1dt04187h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Hybrid metallo(IV)phthalocyaninate-capped tris-dioximate iron(II) complexes (termed as "phthalocyaninatoclathrochelates") with non-equivalent apical fragments and functionalized with one terminal reactive vinyl group were prepared for the first time using three different synthetic approaches: (i) transmetallation (capping group exchange) of the appropriate labile boron,antimony-capped cage precursors, (ii) capping of the initially isolated reactive semiclathrochelate intermediate, and (iii) direct one-pot template condensation of their ligand synthons on the iron(II) ion as a matrix. The obtained polytopic cage complexes were characterized using elemental analysis, 1H NMR, MALDI-TOF MS and UV-vis spectra, and the single-crystal X-ray diffraction experiments. One of the obtained vinyl-terminated iron(II) phthalocyaninatoclathrochelates and its semiclathrochelate precursor were tested as monomers in a copolymerization reaction with styrene as the main component. These vinyl-terminated (semi)clathrochelate iron(II) complexes were found to be successfully copolymerized with this industrially important monomer, affording the intensely colored copolymer products. Because of a low solubility of the tested zirconium(IV) phthalocyaninate-capped tris-nioximate monomer in styrene as a solvent, a molar ratio of 1 : 500 was used. The obtained copolymer products and the kinetics of their formation were studied using GPC, FTIR, UV-vis, TGA and DSC methods. Even at such a low concentration of the Fe,Zr-binuclear metallocomplex component, an increase in the rate of the UV-light degradation of the organo-inorganic products, as well as in their thermal stability, was observed.
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Affiliation(s)
- Semyon V Dudkin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia.
| | - Alexander S Chuprin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia.
| | - Svetlana A Belova
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia.
| | - Anna V Vologzhanina
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia.
| | - Yan V Zubavichus
- Synchrotron Radiation Facility SKIF, Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Sciences, 1 Nikolskii pr., 6305590 Koltsovo, Russia
| | - Polina M Kaletina
- Vorozhtsov Novosibirsk Institute of Organic Chemistry Siberian Branch of Russian Academy of Sciences, 9 Lavrentiev pr., 630090 Novosibirsk, Russia
| | - Inna K Shundrina
- Vorozhtsov Novosibirsk Institute of Organic Chemistry Siberian Branch of Russian Academy of Sciences, 9 Lavrentiev pr., 630090 Novosibirsk, Russia
| | - Elena G Bagryanskaya
- Vorozhtsov Novosibirsk Institute of Organic Chemistry Siberian Branch of Russian Academy of Sciences, 9 Lavrentiev pr., 630090 Novosibirsk, Russia
| | - Yan Z Voloshin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia. .,Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
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Chuprin AS, Dudkin SV, Belova SA, Lebed EG, Dorovatovskii PV, Vologzhanina AV, Voloshin YZ. Synthesis and reactivity of the apically functionalized (pseudo)macrobicyclic iron( ii) tris-dioximates and their hybrid phthalocyaninatoclathrochelate derivatives comprising reactive and vector terminal groups. NEW J CHEM 2022. [DOI: 10.1039/d2nj01560a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Iron(ii) phthalocyaninatoclathrochelates functionalized with terminal reactive formyl group were prepared. Their post-synthetic functionalization gave those with vector pharmacophoric fragment.
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Affiliation(s)
- Alexander S. Chuprin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia
| | - Semyon V. Dudkin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia
| | - Svetlana A. Belova
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
| | - Ekaterina G. Lebed
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
| | - Pavel V. Dorovatovskii
- National Research Center “Kurchatov Institute”, 1 Acad. Kurchatov Sq., 123182 Moscow, Russian Federation
| | - Anna V. Vologzhanina
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia
| | - Yan Z. Voloshin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 28 Vavilova st., 119991 Moscow, Russia
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
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Antipin IS, Alfimov MV, Arslanov VV, Burilov VA, Vatsadze SZ, Voloshin YZ, Volcho KP, Gorbatchuk VV, Gorbunova YG, Gromov SP, Dudkin SV, Zaitsev SY, Zakharova LY, Ziganshin MA, Zolotukhina AV, Kalinina MA, Karakhanov EA, Kashapov RR, Koifman OI, Konovalov AI, Korenev VS, Maksimov AL, Mamardashvili NZ, Mamardashvili GM, Martynov AG, Mustafina AR, Nugmanov RI, Ovsyannikov AS, Padnya PL, Potapov AS, Selektor SL, Sokolov MN, Solovieva SE, Stoikov II, Stuzhin PA, Suslov EV, Ushakov EN, Fedin VP, Fedorenko SV, Fedorova OA, Fedorov YV, Chvalun SN, Tsivadze AY, Shtykov SN, Shurpik DN, Shcherbina MA, Yakimova LS. Functional supramolecular systems: design and applications. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr5011] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Voloshin YZ, Dudkin SV, Belova SA, Gherca D, Samohvalov D, Manta CM, Lungan MA, Meier-Menches SM, Rapta P, Darvasiová D, Malček M, Pombeiro AJL, Martins LMDRS, Arion VB. Spectroelectrochemical Properties and Catalytic Activity in Cyclohexane Oxidation of the Hybrid Zr/Hf-Phthalocyaninate-Capped Nickel(II) and Iron(II) tris-Pyridineoximates and Their Precursors. Molecules 2021; 26:molecules26020336. [PMID: 33440755 PMCID: PMC7827310 DOI: 10.3390/molecules26020336] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 01/01/2021] [Accepted: 01/04/2021] [Indexed: 11/25/2022] Open
Abstract
The in situ spectroelectrochemical cyclic voltammetric studies of the antimony-monocapped nickel(II) and iron(II) tris-pyridineoximates with a labile triethylantimony cross-linking group and Zr(IV)/Hf(IV) phthalocyaninate complexes were performed in order to understand the nature of the redox events in the molecules of heterodinuclear zirconium(IV) and hafnium(IV) phthalocyaninate-capped derivatives. Electronic structures of their 1e-oxidized and 1e-electron-reduced forms were experimentally studied by electron paramagnetic resonance (EPR) spectroscopy and UV−vis−near-IR spectroelectrochemical experiments and supported by density functional theory (DFT) calculations. The investigated hybrid molecular systems that combine a transition metal (pseudo)clathrochelate and a Zr/Hf-phthalocyaninate moiety exhibit quite rich redox activity both in the cathodic and in the anodic region. These binuclear compounds and their precursors were tested as potential catalysts in oxidation reactions of cyclohexane and the results are discussed.
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Affiliation(s)
- Yan Z. Voloshin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 119991 Moscow, Russia; (Y.Z.V.); (S.V.D.); (S.A.B.)
- Department of General and Inorganic Chemistry, Gubkin Russian State University of Oil and Gas (National Research University), 119991 Moscow, Russia
| | - Semyon V. Dudkin
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 119991 Moscow, Russia; (Y.Z.V.); (S.V.D.); (S.A.B.)
| | - Svetlana A. Belova
- Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 119991 Moscow, Russia; (Y.Z.V.); (S.V.D.); (S.A.B.)
| | - Daniel Gherca
- Sara Pharm Solutions S.R.L., 266-268 Calea Rahovei, 050912 Bucharest, Romania; (D.G.); (D.S.); (C.-M.M.); (M.-A.L.)
| | - Dumitru Samohvalov
- Sara Pharm Solutions S.R.L., 266-268 Calea Rahovei, 050912 Bucharest, Romania; (D.G.); (D.S.); (C.-M.M.); (M.-A.L.)
| | - Corina-Mihaela Manta
- Sara Pharm Solutions S.R.L., 266-268 Calea Rahovei, 050912 Bucharest, Romania; (D.G.); (D.S.); (C.-M.M.); (M.-A.L.)
| | - Maria-Andreea Lungan
- Sara Pharm Solutions S.R.L., 266-268 Calea Rahovei, 050912 Bucharest, Romania; (D.G.); (D.S.); (C.-M.M.); (M.-A.L.)
| | - Samuel M. Meier-Menches
- Department of Analytical Chemistry, University of Vienna, Währinger Strasse 38, A-1090 Vienna, Austria;
| | - Peter Rapta
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, SK-812 37 Bratislava, Slovakia; (D.D.); (M.M.)
- Correspondence: (P.R.); (L.M.D.R.S.M.); (V.B.A.)
| | - Denisa Darvasiová
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, SK-812 37 Bratislava, Slovakia; (D.D.); (M.M.)
| | - Michal Malček
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, SK-812 37 Bratislava, Slovakia; (D.D.); (M.M.)
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;
| | - Luísa M. D. R. S. Martins
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;
- Correspondence: (P.R.); (L.M.D.R.S.M.); (V.B.A.)
| | - Vladimir B. Arion
- Institute of Inorganic Chemistry, University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria
- Correspondence: (P.R.); (L.M.D.R.S.M.); (V.B.A.)
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Spin State Behavior of A Spin-Crossover Iron(II) Complex with N,N′-Disubstituted 2,6-bis(pyrazol-3-yl)pyridine: A Combined Study by X-ray Diffraction and NMR Spectroscopy. CRYSTALS 2020. [DOI: 10.3390/cryst10090793] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A series of three different solvatomorphs of a new iron(II) complex with N,N′-disubstituted 2,6-bis(pyrazol-3-yl)pyridine, including those with the same lattice solvent, has been identified by X-ray diffraction under the same crystallization conditions with the metal ion trapped in the different spin states. A thermally induced switching between them, however, occurs in a solution, as unambiguously confirmed by the Evans technique and an analysis of paramagnetic chemical shifts, both based on variable-temperature NMR spectroscopy. The observed stabilization of the high-spin state by an electron-donating substituent contributes to the controversial results for the iron(II) complexes of 2,6-bis(pyrazol-3-yl)pyridines, preventing ‘molecular’ design of their spin-crossover activity; the synthesized complex being only the fourth of the spin-crossover (SCO)-active kind with an N,N′-disubstituted ligand.
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Metal phthalocyanine (CV+){MCl2Pc}− salts with two chromophores (CV+: Crystal violet, Pc: Phthalocyanine) based on SnIIPc and FeIIIClPc phthalocyanines. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119732] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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10
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Pankratova Y, Aleshin D, Nikovskiy I, Novikov V, Nelyubina Y. In Situ NMR Search for Spin-Crossover in Heteroleptic Cobalt(II) Complexes. Inorg Chem 2020; 59:7700-7709. [PMID: 32383584 DOI: 10.1021/acs.inorgchem.0c00716] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Here we report the first successful attempt to identify spin-crossover compounds in solutions of metal complexes produced by mixing different ligands and an appropriate metal salt by variable-temperature nuclear magnetic resonance (NMR) spectroscopy. Screening the spin state of a cobalt(II) ion in a series of thus obtained homoleptic and heteroleptic compounds of terpyridines (terpy) and 2,6-bis(pyrazol-3-yl)pyridines (3-bpp) by using this NMR-based approach, which only relies on the temperature behavior of chemical shifts, revealed the first cobalt(II) complexes with a 3-bpp ligand to undergo a thermally induced spin-crossover. A simple analysis of NMR spectra collected from mixtures of different compounds without their isolation or purification required by the current method of choice, the Evans technique, thus emerges as a powerful tool in a search for new spin-crossover compounds and their molecular design boosted by wide possibilities for chemical modifications in heteroleptic complexes.
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Affiliation(s)
- Yanina Pankratova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Str., 28, 119991 Moscow, Russia.,Moscow State University, Leninskie gory, 1, 119991 Moscow, Russia
| | - Dmitry Aleshin
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Str., 28, 119991 Moscow, Russia.,Mendeleev University of Chemical Technology of Russia, Miusskaya pl., 9, 125047 Moscow, Russia
| | - Igor Nikovskiy
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Str., 28, 119991 Moscow, Russia
| | - Valentin Novikov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Str., 28, 119991 Moscow, Russia.,Moscow Institute of Physics and Technology, Institutskiy per., 9, Dolgoprudny 141700, Moscow Region, Russia
| | - Yulia Nelyubina
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Str., 28, 119991 Moscow, Russia
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Soganci T, Baygu Y, Kabay N, Dumlu G, Gök Y, Ak M. Synthesis of a carbazole substituted unusual cobalt( ii)dioxime complex to design conducting polymers with caged metal centers for enhanced optical and electrical properties. NEW J CHEM 2020. [DOI: 10.1039/d0nj03931d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unique optical and electrical properties have been obtained by synthesis of the polycarbazole based conductive metallopolymer with caged metal centers.
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Affiliation(s)
- Tugba Soganci
- Graduate School of Sciences
- Department of Advanced Technologies
- Eskisehir Technical University
- Eskisehir
- Turkey
| | - Yasemin Baygu
- Tavas Vocational High School
- Pamukkale University
- Denizli
- Turkey
| | - Nilgün Kabay
- Department of Biomedical Engineering
- Technology Faculty
- Pamukkale University
- Denizli
- Turkey
| | - Gökhan Dumlu
- Department of Chemical Engineering, Engineering Faculty, Usak University
- Uşak
- Turkey
| | - Yaşar Gök
- Department of Chemical Engineering, Engineering Faculty, Usak University
- Uşak
- Turkey
| | - Metin Ak
- Graduate School of Sciences
- Department of Advanced Technologies
- Eskisehir Technical University
- Eskisehir
- Turkey
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Konarev DV, Kuzmin AV, Shestakov AF, Khasanov SS, Lyubovskaya RN. Coordination-induced metal-to-macrocycle charge transfer and effect of cations on reorientation of the CN ligand in the {SnL2Mac}2− dianions (L = CN−, OCN−, Im−; Mac = phthalo- or naphthalocyanine). Dalton Trans 2019; 48:4961-4972. [DOI: 10.1039/c9dt00655a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Anionic coordination {crypt(M+)}2{SnL2Mac}2− complexes of tin(ii) phthalo- (Pc) and naphthalocyanines (Nc) were obtained and discussed.
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Affiliation(s)
- Dmitri V. Konarev
- Institute of Problems of Chemical Physics RAS
- Chernogolovka
- 142432 Russia
| | | | - Alexander F. Shestakov
- Institute of Problems of Chemical Physics RAS
- Chernogolovka
- 142432 Russia
- Lomonosov Moscow State University
- Leninskie Gory
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Konarev DV, Kuzmin AV, Khasanov SS, Fatalov AM, Yudanova EI, Lyubovskaya RN. Coordination Complexes of Titanium(IV) and Indium(III) Phthalocyanines with Carbonyl-Containing Dyes: The Formation of Singly Bonded Anionic Squarylium Dimers. Chemistry 2018; 24:8415-8423. [PMID: 29656402 DOI: 10.1002/chem.201800873] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 03/28/2018] [Indexed: 11/10/2022]
Abstract
Reduction methods for the preparation of coordination complexes of titanium(IV) and indium(III) phthalocyanines (Pc) with organic dyes such as indigo, thioindigo, and squarylium dye III (SQ) have been developed, which allow one to obtain crystalline {cryptand(K+ )}{(cis-indigo-O,O)2- TiIV (Pc2- )}(Cl- )⋅C6 H4 Cl2 (1), {cryptand(K+ )}{(cis-thioindigo-O,O)2- InIII (Pc2- )}- ⋅C6 H4 Cl2 (2), and {cryptand(K+ )}{[(SQ)2 -O,O]2- InIII (Pc2- )}- ⋅3.5 C6 H4 Cl2 (3) complexes. The formation of these complexes is accompanied by the reduction of the starting dyes to the anionic state. Transition of trans-indigo or trans-thioindigo to the cis conformation in 1 and 2 provides coordination of both carbonyl oxygen atoms of the dye to TiIV Pc or InIII Pc. SQ is reduced to the radical anion state and forms unusual diamagnetic singly bonded (SQ- )2 dimers in 3. These dimers have two closely positioned carbonyl oxygen atoms coordinated to InIII Pc. Dianionic Pc2- macrocycles have been found in 1-3. The complexes contain two chromophore molecules at one metal center. However, their optical spectra are defined mainly by absorption bands of the metal phthalocyanines.
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Affiliation(s)
- Dmitri V Konarev
- Institute of Problems of Chemical Physics RAS, Department of Kinetics and catalysis, 142432, Russian Federation
| | - Alexey V Kuzmin
- Institute of Solid State Physics RAS, 142432, Russian Federation
| | | | - Alexey M Fatalov
- Institute of Problems of Chemical Physics RAS, Department of Kinetics and catalysis, 142432, Russian Federation.,Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russian Federation
| | - Evgenia I Yudanova
- Institute of Problems of Chemical Physics RAS, Department of Kinetics and catalysis, 142432, Russian Federation
| | - Rimma N Lyubovskaya
- Institute of Problems of Chemical Physics RAS, Department of Kinetics and catalysis, 142432, Russian Federation
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Zelinskii GE, Belov AS, Chuprin AS, Pavlov AA, Vologzhanina AV, Lebed EG, Bugaenko MG, Voloshin YZ. Clathrochelate iron(II) tris-nioximates with non-equivalent capping groups and their precursors: synthetic strategies, X-ray structure, and reactivity. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1348602] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Genrikh E. Zelinskii
- Laboratory for aliphatic organoboron compounds, Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Moscow, Russia
| | - Alexander S. Belov
- Laboratory for aliphatic organoboron compounds, Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Moscow, Russia
| | - Alexander S. Chuprin
- Laboratory for aliphatic organoboron compounds, Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Moscow, Russia
- Laboratory for coordination chemistry of transition elements, Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia
| | - Alexander A. Pavlov
- Laboratory for Nuclear Magnetic Resonance, Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Moscow, Russia
| | - Anna V. Vologzhanina
- Laboratory for X-Ray Diffraction Studies, Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Moscow, Russia
| | - Ekaterina G. Lebed
- Laboratory for aliphatic organoboron compounds, Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Moscow, Russia
| | - Margarita G. Bugaenko
- Laboratory for Macromolecular Chemistry, Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Moscow, Russia
| | - Yan Z. Voloshin
- Laboratory for aliphatic organoboron compounds, Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Moscow, Russia
- Laboratory for coordination chemistry of transition elements, Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia
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