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14,761 Newest Publications about the topic copper

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Application of chiral bi- and tetra-dentate bispidine-derived ligands in the copper (II)-catalyzed asymmetric Henry reaction

20-Jun-2018 | Alessandro Sacchetti; Arianna Rossetti; FIORELLA MENEGHETTI; Carlo Castellano; Matteo Mori; Greta Colombo Dugoni; St ..., New Journal of Chemistry, 2018

The application of a number of chiral bispidine-based ligands in the copper-catalyzed enantioselective Henry reaction is here reported. Results showed good conversion rates and low to moderate enantiomeric ratios, depending on the substituents on the bispidine core. Enantioselectivities of ...

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Solvent-Induced Structural Transformation and Magnetic Modulation in 1D Copper (II) Polymers Based on a Semi-rigid Ligand Containing 4-Amino-1,2,4-Triazole

20-Jun-2018 | Xiang-Wen Wu; Feng Pan; Shi Yin; Jing-Yuan Ge; Guo-Xia Jin; Peng Wang; Jian-ping Ma, CrystEngComm, 2018

One helical Cu(II) polymer 1 exhibits reversible SCSC transformation and magnetism switch by the chemisorption/desorption of MeCN molecules. Significant changes in the color, coordination environment, and magnetic behavior were found during the SCSC transformation. In addition, the effect of ...

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Materials, Vol. 11, Pages 1042: Experimental and Theoretical Investigation of Thiazolyl Blue as a Corrosion Inhibitor for Copper in Neutral Sodium Chloride Solution

19-Jun-2018 | Feng, Li ; Zhang, Shengtao ; Qiang, Yujie ; Xu, Yue ; Guo, Lei ; Madkour, Loutfy H.; Chen, Shijin, Materials, 2018

Materials, Vol. 11, Pages 1042: Experimental and Theoretical Investigation of Thiazolyl Blue as a Corrosion Inhibitor for Copper in Neutral Sodium Chloride Solution Materials doi: 10.3390/ma11061042 Authors: Li Feng Shengtao Zhang Yujie Qiang Yue Xu Lei Guo Loutfy H. ...

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Tetrameric copper(II) metallocyclic complex bearing an amino acid derived Schiff base ligand: Structure, catalytic and antioxidant activities

17-Jun-2018 | Author(s): Yedith Soberanes, Karla-Alejandra López-Gastélum, Jonathan Moreno-Urbalejo, Alex J. Salazar-Medin ..., Inorganic Chemistry Communications, 2018

Publication date: Available online 15 June 2018 Source:Inorganic Chemistry Communications Author(s): Yedith Soberanes, Karla-Alejandra López-Gastélum, Jonathan Moreno-Urbalejo, Alex J. Salazar-Medina, María del Carmen Estrada-Montoya, Rocío Sugich-Miranda, Javier ...

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Click Synthesis of Shape-Persistent Azodendrimers and their Orthogonal Self-Assembly to Nanofibres

14-Jun-2018 | ie=edge, Australian Journal of Chemistry, 2018

Tamer El Malah, Hany F. Nour The copper(i)-catalyzed click reactions have been utilized to synthesize a series of scaffold aminodendrons, which successfully underwent azodimerization to construct a series of pyridyl- and phenyl-based azodendrimers loaded with peripheral alkyl or ether side ...

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Materials, Vol. 11, Pages 1010: Effect of Temperature Distribution in Ultrasonically Welded Joints of Copper Wire and Sheet Used for Electrical Contacts

14-Jun-2018 | Pradeep Kumar, Jeyaraj, Materials, 2018

Materials, Vol. 11, Pages 1010: Effect of Temperature Distribution in Ultrasonically Welded Joints of Copper Wire and Sheet Used for Electrical Contacts Materials doi: 10.3390/ma11061010 Authors: Jeyaraj Pradeep Kumar The temperature distribution occurring at the interface while ...

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Bimetallic Cooperative Effect on O-O Bond Formation: Copper polypyridyl Complexes as Water Oxidation Catalysts

12-Jun-2018 | Xiao-Jun Su; Chu Zheng; Qin-Qin Hu; Hao-Yi Du; Rong-Zhen Liao; Ming-Tian Zhang, Dalton Transactions, 2018

The performance of water oxidation catalysis by copper polypyridyl complex, [CuII(TPA)(OH2)]+ (1H, TPA = tris-(pyridylmethyl)amine), have been investigated in neutral aqueous solution by electrochemical method. Compared with our previous reported dinuclear catalyst, [(BPMAN)(CuII)2(-OH)]3+ (2, ...

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Boosting oxygen reduction catalysis with abundant copper single atom active sites

12-Jun-2018 | Feng Li; Gao-Feng Han; Hyuk-Jun Noh; Seok-Jin Kim; yalin lu; Hu Young Jeong; Zhengping Fu; Jong-Beom Baek, Energy & Environmental Science, 2018

With their high catalytic activity, stability, selectivity, and 100 % atom utilization, single atomic non-noble metal based materials are valuable alternatives to efficient but expensive Pt based catalysts. For efficient catalysis, the single-atom catalysts must expose abundant single atomic ...

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Water oxidation by copper (II) complex: New findings, questions, challenges and a new hypothesis

12-Jun-2018 | Mohammad Mahdi Najafpour; Somayeh Mehrabani; Younes Mousazade; Malgorzata Holynska, Dalton Transactions, 2018

Copper(II) complexes are very promising catalysts for water oxidation. Herein new findings for the water-oxidizing activity of a few copper(II) complexes under the water oxidation conditions are reported. Copper compounds in this study are copper(II) phthalocyanine-3,4′,4″,4″′-tetrasulfonic acid ...

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Static and dynamic coordination behaviours of copper(I) ions in hexa(2-pyridyl)benzene ligand systems

12-Jun-2018 | Hyunchul Kwon; Eunsung Lee, Dalton Transactions, 2018

Two hexaarylbenzenes having six pyridine substituents (LH and LM) were prepared and six corresponding coordination complexes with copper(I) chloride were synthesized. The monomeric complexes (1, 2a and 2b) and 1D coordination polymers (3, 4 and 5) were synthesized via the judicious concentration ...

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