- Electrochemical reduction of lindane using a cobaloxime containing electron-withdrawing groups
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The cobaloxime [CoCl(dbegH)2(py)] where dbegH is 4,4′?((1E,2E)?1,2?bis(hydroxyimino)ethane?1,2?diyl)dibenzoate and py is pyridine was synthesized. The electrochemical behavior was studied using cyclic voltammetry. A reversible Co(II)/Co(I) wave
- Pizarro, Sebastián,Gallardo, Miguel,Gajardo, Francisco,Delgadillo, Alvaro
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- Isoreticular Linker Substitution in Conductive Metal–Organic Frameworks with Through-Space Transport Pathways
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The extension of reticular chemistry concepts to electrically conductive three-dimensional metal–organic frameworks (MOFs) has been challenging, particularly for cases in which strong interactions between electroactive linkers create the charge transport
- Campbell, Michael G.,Chmielewski, Micha? J.,Dinc?, Mircea,Kharod, Ruby A.,Liu, Hanyu,Park, Sarah S.,Xie, Lilia S.,Yang, Luming
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p. 19623 - 19626
(2020/06/01)
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- A rare (3,12)-connected zirconium metal-organic framework with efficient iodine adsorption capacity and pH sensing
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We report here a stable rare zirconium metal-organic framework (MOF) exhibiting a sky topology, Zr6(μ3-O)4(μ3-OH)4(ITTC)4 (UPC-158) (where H3ITTC = 4,4′,4′′-(1H-imidazole-2,4,5-t
- Guo, Bingbing,Li, Fugang,Wang, Chiming,Zhang, Liangliang,Sun, Daofeng
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p. 13173 - 13179
(2019/06/06)
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- Electrocatalytic Hydrogen Evolution from a Cobaloxime-Based Metal-Organic Framework Thin Film
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Molecular hydrogen evolution catalysts (HECs) are synthetically tunable and often exhibit high activity, but they are also hampered by stability concerns and practical limitations associated with their use in the homogeneous phase. Their incorporation as
- Roy, Souvik,Huang, Zhehao,Bhunia, Asamanjoy,Castner, Ashleigh,Gupta, Arvind K.,Zou, Xiaodong,Ott, Sascha
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p. 15942 - 15950
(2019/10/11)
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- Introduction of carbonyl groups: An approach to enhance electrochemical performance of conjugated dicarboxylate for Li-ion batteries
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A rational functionalization of conjugated dicarboxylate is reported here to enhance the cyclability and rate capability for Li-ion batteries. Introduction of carbonyl groups between aromatic rings is explored as an alternative way to extend π-conjugation. For the proof of concept, 4,4′-bis(lithiooxycarbonyl)benzil (Li2-BZL) was synthesized and compared its lithium storage performance against lithium [1,1′-biphenyl]-4,4′-dicarboxylate (Li2-BPDC). The Li2-BZL electrode delivers a stable capacity of 165 mAh g?1 even after 50 cycles at current density of 50 mAh g?1 whereas, rapid capacity fading was observed in the case of Li2-BPDC. Density functional theory (DFT) studies confirmed that the carbonyl groups in the Li2-BZL to reduce the bandgap, thereby improving the elctrochemical lithium storage performance of Li2-BZL electrode in comparision to that of Li2-BPDC.
- Medabalmi, Veerababu,Ramanujam, Kothandaraman
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p. A1720 - A1725
(2017/06/21)
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- Effect of pH in the photoluminescence of a ruthenium complex featuring a derivative of the ligand pyrazine[2,3-f][1,10]-phenanthroline
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A new ruthenium complex, [Ru(bpy)2(dbe-ppl)](PF6)2 (bpy = 2,2′-bipyridine and dbe-ppl = dimethyl 4,4′-(pyrazino[2,3-f][1,10]phenanthroline-2,3-diyl)dibenzoate, has been synthesized and characterized by 1H NMR sp
- Pizarro, Sebastián,Gallardo, Miguel,Leyton, Constanza,Castro, Eileen,Gajardo, Francisco,Delgadillo, Alvaro
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- A new route to the synthesis of near-infrared absorbing pyrazinopyrazine bridged dyes with intramolecular charge transfer character
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A simple and versatile procedure was developed for the synthesis of pyrazino[2,3-b]thieno[3,4-e]pyrazine derivatives with intramolecular charge transfer character. The compounds obtained exhibited a narrower band gap compared to those with one pyrazine bridge. the Partner Organisations 2014.
- Zhang, Liang,Lo, Kin Cheung,Chan, Wai Kin
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supporting information
p. 4245 - 4247
(2014/04/17)
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- An efficient palladium-catalyzed synthesis of benzils from aryl bromides: Vinylene carbonate as a synthetic equivalent of glyoxal
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An expedient synthetic procedure of benzil derivatives from aryl bromides was developed using vinylene carbonate as a glyoxal equivalent in a palladium-catalyzed reaction. The reaction involved a sequential diarylation of vinylene carbonate to form 4,5-diaryl-1,3-dioxol-2-one, ring-opening to benzoin derivative, and an oxidation process.
- Kim, Ko Hoon,Park, Bo Ram,Lim, Jin Woo,Kim, Jae Nyoung
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experimental part
p. 3463 - 3466
(2011/06/27)
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- Syntheses and characterization of several nickel bis(dithiolene) complexes with strong and broad Near-IR absorption
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Several nickel bis(dithiolene) complexes with strong and broad absorptions in the Near-IR (NIR) region (700-1100 nm) were synthesized by using green and simple synthetic routes. The physical and chemical properties of these dyes were systematically studied, including structure, optical spectroscopy and electrochemical behavior, etc. These NIR dyes were first applied to dye-sensitized solar cells (DSCs) and the photoelectrochemical performances were also investigated. The effects of different substituent groups on the properties of the dyes and photovoltaic performances of DSCs were discussed. Furthermore, we also applied the synthesized NIR dyes for constructing NIR absorbing filter. With their particular photoelectrochemical properties, the nickel bis(dithiolene) complexes exhibit promising prospects for future application.
- Miao, Qingqing,Gao, Junxiong,Wang, Zeqing,Yu, Hang,Luo, Yi,Ma, Tingli
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p. 619 - 627
(2011/11/01)
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- Organocatalysis by bimacrocyclic NHCs: Unexpected formation of a cyclic hemiacetal instead of a γ-butyrolactone
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Two bimacrocyclic imidazolinium salts of different size, precursors to respective NHCs (N-heterocyclic carbenes), were tested as precatalysts in the reaction of aromatic aldehydes or ketones with enals. The expected lactones were produced in most cases, b
- Winkelmann, Ole,Naether, Christian,Luening, Ulrich
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experimental part
p. 553 - 556
(2009/07/18)
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- A new ytterbium iodide mediated coupling of acyl cyanides and synthesis of 1,2-diketones
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Conversion of acyl cyanides 1 into 1,2-diketones 2 has been achieved by the action of ytterbium iodide in dry tetrahydrofuran at room temperature, in high yields.
- Saikia, Promod,Laskar, Dhrubojyoti D.,Prajapati, Dipak,Sandhu, Jagir S.
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p. 7525 - 7526
(2007/10/03)
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- Sm or Zn-induced coupling reactions. A facile route to 1,2-diketones
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Coupling of keto cyanides 1 into 1,2-diketones 2 has been performed by the action of SmI2 or ZnI2 in tetrahydrofuran at ambient temperature in high yields.
- Baruah, Bipul,Boruah, Anima,Prajapati, Dipak,Sandhu, Jagir S
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p. 7603 - 7604
(2007/10/03)
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- Reductive homo-coupling of 2-aryl-2-oxazolinium salts
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The reductive homo-coupling of 2-aryl-2-oxazolinium salts was achieved by reduction with Zn-CTMS, electroreduction with zinc anode, or direct electroreduction. The homo-coupled products were converted to α-diketones.
- Shono,Kise,Nomura,Yamanami
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p. 3577 - 3580
(2007/10/02)
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- Process for producing aromatic α-diketones
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A process for producing α-diketones which comprises oxidizing diaryl-substituted acetylenes with potassium permanganate in an aqueous acetone solution preferably in the presence of acetic acid.
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