New copper(II) complexes with sterically hindered oxamato ligand: Synthesis, crystal structures, spectroscopic properties
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2019.127468
Abstract: Abstract We report the synthesis, crystal structures and spectroscopic properties of two new copper (II) complexes of formula (NMe4)2 [Cu(bpea)2] (1) and (NBu4)2 [Cu(bpea)2]·2.5H2O (2) [bpea = N-2,2-diphenylethyloxamate]. Crystal structures of complexes 1 and 2 were solved… read more here.
Keywords: structures spectroscopic; crystal structures; spectroscopic properties; geometry ... See more keywords
Two new copper (II) carboxylate complexes based on N,N,N',N'-tetramethylethyleneamine: Synthesis, crystal structures, spectral properties, dft studies and hirshfeld surface analysis
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2021.129916
Abstract: Abstract In this study, two new copper (II) carboxylate complexes, [Cu(4-mba)2(tmeda)](1) and [Cu(3-mba)2(H2O)2(tmeda)](2) (4-mbaH = 4-methylbenzoic acid, 3-mbaH = 3-methylbenzoic acid, tmeda = N,N,N',N'-tetramethylethyleneamine) were synthesized. The structures and properties of the complexes were determined by X-ray single crystal diffraction method… read more here.
Keywords: two new; hirshfeld surface; new copper; copper carboxylate ... See more keywords
Classical hydrogen bonding and stacking of chelate rings in new copper(ii) complexes.
Sign Up to like & getrecommendations! Published in 2017 at "Dalton transactions"
DOI: 10.1039/c6dt04661d
Abstract: Three new copper(ii) complexes, viz., [Cu(L)(NO3)(H2O)]H2O 1, [Cu(L)(H2O)2]NO32 and [Cu2(L)2(pyrazine)](ClO4)2·4H2O 3, were prepared using a biomimetic synthesis strategy [HL = 4-chloro-2-{(E)-[2-(pyridin-2-yl)hydrazinylidene]methyl}phenol]. Structural characterization revealed very different local geometries around copper(ii) ions, being square pyramidal for… read more here.
Keywords: copper complexes; classical hydrogen; copper; stacking chelate ... See more keywords
Synthesis of two new copper-sandwiched polyoxotungstates and the influence of nuclear number on catalytic hydrogen evolution activity
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Chemistry"
DOI: 10.1039/d0nj02065f
Abstract: To focus on renewable energy, we have been devoted to developping energy-efficient, robust and low cost water reduction catalysts (WRCs). Two hybrid inorganic–organic hexa/octa-CuII-sandwiched POM: [Cu(dap)2]2[{Cu8(dap)4(H2O)2} (SiW9O34)2]·7H2O (1) and [Cu(dap)2(H2O)]2[Cu(dap)2]2[{Cu6(dap)2}(SiW9O34)2]·8H2O (2) (dap = 1,2-diaminopropane, 1,4-H2NDC… read more here.
Keywords: chemistry; new copper; dap; nuclear number ... See more keywords
New copper(I) complexes of bulky 5-substituted-2-iminopyrrolyl ligands as catalysts for azide-alkyne cycloaddition.
Sign Up to like & getrecommendations! Published in 2023 at "Dalton transactions"
DOI: 10.1039/d3dt00617d
Abstract: Five dinuclear copper(I) complexes of the type [Cu{κN,κN'-5-R-NC4H2-2-C(H)N(2,6-iPr2C6H3)}]2 (1a-e; R = 2,4,6-iPr3C6H2 (a), R = 2,6-Me2C6H3 (b), R = 3,5-(CF3)2C6H3 (c), R = 2,6-(OMe)2C6H2 (d), R = CPh3 (e)) were prepared by the reaction of… read more here.
Keywords: oxidation; copper; substituted iminopyrrolyl; catalysts azide ... See more keywords
Synthesis and crystal structure of a new copper(II) complex based on 5-ethyl-3-(pyridin-2-yl)-1,2,4-triazole
Sign Up to like & getrecommendations! Published in 2023 at "Acta Crystallographica Section E: Crystallographic Communications"
DOI: 10.1107/s2056989023003079
Abstract: A new copper(II) coordination compound [Cu2(L Et)2(OAc)2(dmf)2], where HL Et = 3-(2-pyridyl)-5-ethyl-1,2,4-triazole, was synthesized and structurally characterized by single-crystal X-ray diffraction. read more here.
Keywords: copper complex; copper; synthesis crystal; structure new ... See more keywords
Efficacy analysis of new copper complex for visible light (455, 530 nm) radical/cationic photopolymerization: The synergic effects and catalytic cycle
Sign Up to like & getrecommendations! Published in 2022 at "PLoS ONE"
DOI: 10.1371/journal.pone.0270679
Abstract: The kinetics and the conversion features of two 3-component systems (A/B/N), based on the proposed new kinetic schemes of Mokbel and Mau et al, in which a visible LED is used to excite a copper… read more here.
Keywords: catalytic cycle; copper complex; new copper; synergic effects ... See more keywords
New Copper Alloys Used to Make Products Intended for Contact with Drinking Water
Sign Up to like & getrecommendations! Published in 2021 at "Materials"
DOI: 10.3390/ma14216301
Abstract: This article presents the results of tests conducted as part of a research project with the primary objective of developing new copper alloys with limited lead content. The new group of materials were created in… read more here.
Keywords: group alloys; copper alloys; new copper; alloys used ... See more keywords
X-ray Crystal Structure, Geometric Isomerism, and Antimicrobial Activity of New Copper(II) Carboxylate Complexes with Imidazole Derivatives
Sign Up to like & getrecommendations! Published in 2018 at "Molecules"
DOI: 10.3390/molecules23123253
Abstract: Five new copper(II) acrylate complexes (acr is the acrylate anion: C3H3O2) with imidazole derivatives (2-methylimidazole/2-MeIm, 5-methylimidazole/5-MeIm, 2-ethylimidazole/2-EtIm) of type: cis-[Cu(2-RIm)2(acr)2]·xH2O ((1): R = –CH3, x = 2; (4): R = –CH2–CH3, x = 0), trans-[Cu(2-RIm)2(acr)2]… read more here.
Keywords: ch3; antimicrobial activity; copper; imidazole derivatives ... See more keywords
New Copper(II)-L-Dipeptide-Bathophenanthroline Complexes as Potential Anticancer Agents—Synthesis, Characterization and Cytotoxicity Studies—And Comparative DNA-Binding Study of Related Phen Complexes
Sign Up to like & getrecommendations! Published in 2023 at "Molecules"
DOI: 10.3390/molecules28020896
Abstract: Searching for new copper compounds which may be useful as antitumor drugs, a series of new [Cu(L-dipeptide)(batho)] (batho:4,7-diphenyl-1,10-phenanthroline, L-dipeptide: Gly-Val, Gly-Phe, Ala-Gly, Ala-Ala, Ala-Phe, Phe-Ala, Phe-Val and Phe-Phe) complexes were synthesized and characterized. To interpret… read more here.
Keywords: phe; batho; complexes potential; new copper ... See more keywords