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Saenz F, Tamski M, Milani J, Roussel C, Frauenrath H, Ansermet JP. Blatter-type radicals as polarizing agents for electrochemical overhauser dynamic nuclear polarization. Chem Commun (Camb) 2021; 58:689-692. [PMID: 34919627 DOI: 10.1039/d1cc05350g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Overhauser dynamic nuclear polarization (O-DNP) refers to a microwave-assisted process where an unpaired electron's (e.g. a radical) spin polarization is transferred to surrounding nuclei in solution, thus increasing the nuclear magnetic resonance (NMR) signal intensity of a given substance by several orders of magnitude. The presence of the unpaired electrons, which induces relaxation of the resulting hyperpolarized state when the radiation is halted, can be avoided by electrochemically removing the radicals on demand. We report the use of Blatter-type (benzo[e][1,2,4]triazinyl) radicals as polarizing agents, potentially opening the way to highly tunable radicals for electrochemical DNP.
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Affiliation(s)
- Felipe Saenz
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland.
| | - Mika Tamski
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland.
| | - Jonas Milani
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland.
| | - Christophe Roussel
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland. .,Section of Chemistry and Chemical Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland
| | - Holger Frauenrath
- Institute of Materials, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland
| | - Jean-Philippe Ansermet
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland.
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2
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In YR, Kim YM, Lee Y, Choi WY, Kim SH, Lee SW, Moon HC. Ultra-Low Power Electrochromic Heat Shutters Through Tailoring Diffusion-Controlled Behaviors. ACS APPLIED MATERIALS & INTERFACES 2020; 12:30635-30642. [PMID: 32519836 DOI: 10.1021/acsami.0c05918] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this study, we propose low power consumption, all-in-one type electrochromic devices (ECDs) for effective heat shutters. Considering diffusion-controlled device operation, polymeric viologens (poly-viologens) are synthesized to lower the diffusivity of EC chromophores and to minimize self-bleaching. In comparison with devices based on mono-viologens corresponding to the monomer of poly-viologens, poly-viologen-containing ECDs exhibit advantages of lower coloration voltage (ca, -0.55 V) and higher coloration/bleaching cyclic stability (>1500 cycles). In particular, poly-viologen ECDs show remarkably reduced self-bleaching as designed, resulting in extremely low power consumption (∼8.3 μW/cm2) to maintain the colored state. Moreover, we successfully demonstrate solar heat shutters that suppress the increment of indoor temperature by taking the advantage of low-power operation and near-IR absorption of the colored poly-viologen-based ECDs. Overall, these results imply that the control of the diffusivity of EC chromophores is an effective methodology for achieving single-layered, low-power electrochemical heat shutters that can save indoor cooling energy when applied as smart windows for buildings or vehicles.
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Affiliation(s)
- Ye Ryeong In
- Department of Chemical Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Yong Min Kim
- Department of Chemical Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Yujeong Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, North Gyeongsang 38541, Republic of Korea
| | - Won Young Choi
- Department of Chemical Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Se Hyun Kim
- School of Chemical Engineering, Yeungnam University, Gyeongsan, North Gyeongsang 38541, Republic of Korea
| | - Seung Woo Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, North Gyeongsang 38541, Republic of Korea
| | - Hong Chul Moon
- Department of Chemical Engineering, University of Seoul, Seoul 02504, Republic of Korea
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Sultanova ED, Nizameev IR, Kholin KV, Kadirov MK, Ovsyannikov AS, Burilov VA, Ziganshina AY, Antipin IS. Photocatalytic properties of hybrid materials based on a multicharged polymer matrix with encored TiO2 and noble metal (Pt, Pd or Au) nanoparticles. NEW J CHEM 2020. [DOI: 10.1039/c9nj06413c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
In this study, we report a synthesis of new nanocomposites, wherein TiO2 is introduced into multicharged polymeric matrix and covered with noble metals (Pt, Pd or Au) for the photocatalytic application.
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Affiliation(s)
- Elza D. Sultanova
- A. M. Butlerov Institute of Chemistry
- Kazan Federal University
- Kremlevskaya str. 18
- Kazan 420018
- Russia
| | - Irek R. Nizameev
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center
- Russian Academy of Sciences
- Kazan 420088
- Russia
| | - Kirill V. Kholin
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center
- Russian Academy of Sciences
- Kazan 420088
- Russia
| | - Marsil K. Kadirov
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center
- Russian Academy of Sciences
- Kazan 420088
- Russia
| | - Alexander S. Ovsyannikov
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center
- Russian Academy of Sciences
- Kazan 420088
- Russia
| | - Vladimir A. Burilov
- A. M. Butlerov Institute of Chemistry
- Kazan Federal University
- Kremlevskaya str. 18
- Kazan 420018
- Russia
| | - Albina Y. Ziganshina
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center
- Russian Academy of Sciences
- Kazan 420088
- Russia
| | - Igor S. Antipin
- A. M. Butlerov Institute of Chemistry
- Kazan Federal University
- Kremlevskaya str. 18
- Kazan 420018
- Russia
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Phosphine Oxide Containing Poly(pyridinium salt)s as Fire Retardant Materials. Polymers (Basel) 2019; 11:polym11071141. [PMID: 31277313 PMCID: PMC6680757 DOI: 10.3390/polym11071141] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 06/30/2019] [Accepted: 07/01/2019] [Indexed: 11/20/2022] Open
Abstract
Six new rugged, high-temperature tolerant phosphine oxide-containing poly(4,4′-(p-phenylene)-bis(2,6-diphenylpyridinium)) polymers P-1, P-2, P-3, P-4, P-5, and P-6 are synthesized, characterized, and evaluated. Synthesis results in high yield and purity, as confirmed by elemental, proton (1H), and carbon 13 (13C) nuclear magnetic resonance (NMR) spectra analyses. High glass transition temperatures (Tg > 230 °C) and high char yields (>50% at 700 °C) are determined by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA), respectively. These new ionic polymers exhibit excellent processability, thin-film forming, high-temperature resistance, fire-resistance and retardation, coating, adhesion, mechanical and tensile strength, and n-type (electron transport) properties. The incorporation of phosphine oxide and bis(phenylpyridinium) moieties in the polymer backbones leads to high glass transition temperatures and excellent fire retardant properties, as determined by microcalorimetry measurements. The use of organic counterions allows these ionic polymers to be easily processable from several common organic solvents. A large variety of these polymers can be synthesized by utilizing structural variants of the bispyrylium salt, phosphine oxide containing diamine, and the counterion in a combinatorial fashion. These results make them very attractive for a number of applications, including as coating and structural component materials for automobiles, aircrafts, power and propulsion systems, firefighter garments, printed circuit boards, cabinets and housings for electronic and electrical components, construction materials, mattresses, carpets, upholstery and furniture, and paper-thin coatings for protecting important paper documents.
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5
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Soluble viologen polymers as carbohydrate oxidation catalysts for alkaline carbohydrate fuel cells. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.05.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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6
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Beladi-Mousavi SM, Sadaf S, Mahmood AM, Walder L. High Performance Poly(viologen)-Graphene Nanocomposite Battery Materials with Puff Paste Architecture. ACS NANO 2017; 11:8730-8740. [PMID: 28836762 DOI: 10.1021/acsnano.7b02310] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Four linear poly(viologens) (PV1, PV2: phenylic, PV3: benzylic, and PV4: aliphatic) in tight molecular contact with reduced graphene oxide (rGO), that is, PV@rGO, were prepared and used as anodic battery materials. These composites show exceptionally high, areal, volumetric, and current densities, for example, PV1@rGO composites (with 15 wt % rGO, corresponding to 137 mAh g-1) show 13.3 mAh cm-2 at 460 μm and 288 mAh cm-3 with 98% Coulombic efficiency at current densities up to 1000 A g-1, better than any reported organic materials. These remarkable performances are based on (i) molecular self-assembling of PVs on individual GO sheets yielding colloidal PV@GO and (ii) efficient GO/rGO transformation electrocatalyzed by PVs. Ion breathing during charging/discharging was studied by electrochemical quartz crystal microbalance and electrochemical atomic force microscopy revealing an absolute reversible and strongly anisotropic thickness oscillation of PV1@rGO at a right angle to the macroscopic current collector. It is proposed that such stress-free breathing is the key property for good cyclability of the battery material. The anisotropy is related to a puff paste architecture of rGO sheets parallel to the macroscopic current collector. A thin graphite sheet electrode with an areal capacity of 1.23 mAh cm-2 is stable over 200 bending cycles, making the material applicable for wearable electronics. The polymer acts as a lubricant between the rGO layers if shearing forces are active.
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Affiliation(s)
- Seyyed Mohsen Beladi-Mousavi
- Institute of Chemistry of New Materials, Center of Physics and Chemistry of New Materials, University of Osnabrück , Barbarastr. 7, Osnabrück D-49069 Germany
| | - Shamaila Sadaf
- Institute of Chemistry of New Materials, Center of Physics and Chemistry of New Materials, University of Osnabrück , Barbarastr. 7, Osnabrück D-49069 Germany
| | - Arsalan Mado Mahmood
- Institute of Chemistry of New Materials, Center of Physics and Chemistry of New Materials, University of Osnabrück , Barbarastr. 7, Osnabrück D-49069 Germany
| | - Lorenz Walder
- Institute of Chemistry of New Materials, Center of Physics and Chemistry of New Materials, University of Osnabrück , Barbarastr. 7, Osnabrück D-49069 Germany
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Yazaki K, Sei Y, Akita M, Yoshizawa M. Polycationic-Shelled Capsular and Tubular Nanostructures and Their Anionic-Guest Binding Properties. Chemistry 2016; 22:17557-17561. [DOI: 10.1002/chem.201604384] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Indexed: 12/14/2022]
Affiliation(s)
- Kohei Yazaki
- Laboratory for Chemistry and Life Science; Institute of Innovative Research; Tokyo Institute of Technology; 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Yoshihisa Sei
- Laboratory for Chemistry and Life Science; Institute of Innovative Research; Tokyo Institute of Technology; 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Munetaka Akita
- Laboratory for Chemistry and Life Science; Institute of Innovative Research; Tokyo Institute of Technology; 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Michito Yoshizawa
- Laboratory for Chemistry and Life Science; Institute of Innovative Research; Tokyo Institute of Technology; 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
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Sanhueza L, Castro J, Urzúa E, Barrientos L, Oyarzun-Ampuero F, Pesenti H, Shibue T, Sugimura N, Tomita W, Nishide H, Moreno-Villoslada I. Photochromic Solid Materials Based on Poly(decylviologen) Complexed with Alginate and Poly(sodium 4-styrenesulfonate). J Phys Chem B 2015; 119:13208-17. [DOI: 10.1021/acs.jpcb.5b05963] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | - Lorena Barrientos
- Departamento
de Química, Facultad de Ciencias Básicas, Universidad Metropolitana de Ciencias de la Educación, Avenida José Pedro Alessandri
774, Ñuñoa, Santiago, Chile
- Center
for the Development of Nanoscience and Nanotechnology, CEDENNA, Santiago, Chile
| | - Felipe Oyarzun-Ampuero
- Department
of Science and Pharmaceutical Technology, Universidad de Chile, Santiago, Chile
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Poly(pyridinium salt)s with organic counterions derived from 3,3′-dimethylnaphthidine: thermal, liquid crystalline, and optical properties. JOURNAL OF POLYMER RESEARCH 2015. [DOI: 10.1007/s10965-014-0651-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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10
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PolyTEMPO and polyviologen on carbon nanotubes: syntheses, structures and organic battery applications. Eur Polym J 2013. [DOI: 10.1016/j.eurpolymj.2013.03.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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11
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Butschies M, Neidhardt MM, Mansueto M, Laschat S, Tussetschläger S. Synthesis of guanidinium-sulfonimide ion pairs: towards novel ionic liquid crystals. Beilstein J Org Chem 2013; 9:1093-101. [PMID: 23766823 PMCID: PMC3678594 DOI: 10.3762/bjoc.9.121] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 05/21/2013] [Indexed: 11/23/2022] Open
Abstract
The recently introduced concept of ionic liquid crystals (ILCs) with complementary ion pairs, consisting of both, mesogenic cation and anion, was extended from guanidinium sulfonates to guanidinium sulfonimides. In this preliminary study, the synthesis and mesomorphic properties of selected derivatives were described, which provide the first example of an ILC with the sulfonimide anion directly attached to the mesogenic unit.
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Affiliation(s)
- Martin Butschies
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwalring 55, 70569 Stuttgart, Germany
| | - Manuel M Neidhardt
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwalring 55, 70569 Stuttgart, Germany
| | - Markus Mansueto
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwalring 55, 70569 Stuttgart, Germany
| | - Sabine Laschat
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwalring 55, 70569 Stuttgart, Germany
| | - Stefan Tussetschläger
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwalring 55, 70569 Stuttgart, Germany
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12
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Raj P, Lal S, Mahna SK, Quamara JK. Dielectric Relaxation Investigations in NCO-Terminated Liquid Crystalline Polyurethane: Thermally Stimulated Depolarization Current Technique. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2012. [DOI: 10.1080/1023666x.2012.644448] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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13
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ZHANG S, LU Z, WU B, SHI Z, FANG J, CHEN D. SELF-ASSEMBLY SYNTHESES AND MESOMORPHIC STRUCTURES INVESTIGATION OF POLYVIOLOGEN-ALIPHATATE SURFACTANT COMPLEXES. ACTA POLYM SIN 2011. [DOI: 10.3724/sp.j.1105.2011.10143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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14
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Bhowmik PK, Cheney MA, Jose R, Han H, Banerjee A, Ma L, Hansen LD. Isothermal titration calorimetry, transmission electron microscopy, and field emission scanning electron microscopy of a main-chain viologen polymer containing bromide as counterions. POLYMER 2009. [DOI: 10.1016/j.polymer.2009.03.046] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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Uozumi Y, Yamada YMA. Development of an amphiphilic resin-dispersion of nanopalladium and nanoplatinum catalysts: Design, preparation, and their use in green organic transformations. CHEM REC 2009; 9:51-65. [DOI: 10.1002/tcr.20165] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Bhowmik PK, Han H, Nedeltchev AK, Mandal HD, Jimenez-Hernandez JA, Mcgannon PM. Poly(pyridinium salt)s with organic counterions derived from an aromatic diamine containing tetraoxyethylene units exhibiting amphotropic liquid-crystalline and photoluminescence properties. J Appl Polym Sci 2009. [DOI: 10.1002/app.31674] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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17
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Bhowmik PK, Kamatam S, Han H, Nedeltchev AK. Synthesis and characterization of poly(pyridinium salt)s with oxyalkylene units exhibiting amphotropic liquid–crystalline and photoluminescence properties. POLYMER 2008. [DOI: 10.1016/j.polymer.2008.02.021] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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Development of a convoluted polymeric nanopalladium catalyst: α-alkylation of ketones and ring-opening alkylation of cyclic 1,3-diketones with primary alcohols. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.05.071] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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19
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Yamada YMA, Uozumi Y. A Solid-Phase Self-Organized Catalyst of Nanopalladium with Main-Chain Viologen Polymers: α-Alkylation of Ketones with Primary Alcohols. Org Lett 2006; 8:1375-8. [PMID: 16562895 DOI: 10.1021/ol060166q] [Citation(s) in RCA: 141] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
[reaction: see text] A novel solid-phase self-organized catalyst of palladium nanoparticles was prepared from PdCl(2) with main-chain viologen polymers via complexation and reduction. This insoluble nanocatalyst nano-Pd-V efficiently promoted alpha-alkylation of ketones with primary alcohols in the presence of Ba(OH)(2).H(2)O under atmospheric conditions without organic solvents. The nano-Pd-V catalyst was reused without loss of catalytic activity.
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Affiliation(s)
- Yoichi M A Yamada
- Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8787, Japan
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Affiliation(s)
- Koen Binnemans
- Katholieke Universiteit Leuven, Department of Chemistry, Celestijnenlaan 200F, B-3001 Leuven, Belgium.
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Bhowmik PK, Han H, Nedeltchev AK. Synthesis and characterization of poly(pyridinium salt)s with organic counterions exhibiting both thermotropic liquid-crystalline and light-emitting properties. ACTA ACUST UNITED AC 2005. [DOI: 10.1002/pola.21181] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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22
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Gao Y, Shreeve JM. Main chain 1,1?-ferrocene-containing polyelectrolytes exhibiting thermotropic liquid-crystalline and fluorescent properties. ACTA ACUST UNITED AC 2005. [DOI: 10.1002/pola.20567] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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23
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Bhowmik PK, Wang X, Han H. Main-chain, thermotropic, liquid-crystalline, hydrogen-bonded polymers of 4,4?-bipyridyl with aliphatic dicarboxylic acids. ACTA ACUST UNITED AC 2003. [DOI: 10.1002/pola.10680] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Bhowmik PK, Han H, Nedeltchev IK. Main-chain viologen polymers with triflimide counterion exhibiting lyotropic liquid-crystalline properties in polar organic solvents. ACTA ACUST UNITED AC 2002. [DOI: 10.1002/pola.10298] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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