Category: 1111-67-7

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Synthesis, spectroscopic and structural characterization of some novel adducts of copper(II) salts with unidentate nitrogen bases

Syntheses, spectroscopic characterization and single crystal X-ray studies are reported for a number of complexes of copper(II) salts with simple monodentate nitrogen bases. The 1:4 adduct of copper(II) sulfate with 3,5-dimethylpyridine (m2py) CuSO4¡¤4m2py, takes the form [(O3SO)Cu(m2py)4], the Cu-O vector of the square-pyramidal coordination environment being disposed on the 4-axis in tetragonal space group P4/n. The complex CuCO3¡¤ Cu(NCS)2¡¤4py is a linear polymer, taking the form ?O¡¤Cu(py)2¡¤O¡¤C{O¡¤Cu(py) 2(NCS)2}¡¤O¡¤Cu(py)2? (etc.), all atoms lying in the mirror plane of space group Pnma, excepting the pair of ‘py’ (pyridine) ligands disposed to either side. In Cu(OH)I¡¤3/ 4I2¡¤2py¡¤1/2MeCN ? [{(py)2Cu(OH)} 4](I3)3I¡¤2MeCN a novel cubanoid tetranuclear cation is found (2-symmetry). The EPR spectra of the above compounds show a trend in the anisotropy of the g-values that correlates well with the crystal structures. Obtained only in small quantities but supported by single crystal X-ray studies are the adduct of Cu(OH)Cl with pyrrolidine (pyrr), Cu(OH)Cl:pyrr (1:3), which takes the centrosymmetric binuclear form [(pyrr)3Cu(mu-OH)2Cu(pyrr)3]Cl2, the copper atom being disposed in a distorted trigonal bipyramidal array, and the adduct 3CuCl2¡¤CuO¡¤4quin, [Cu4Cl 6O(quin)4]Cl2, which contains the familiar Cu4Cl6O core with monodentate quinuclidine (quin) attached to the copper atoms; this compound crystallizes in the cubic space group 4?3m.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

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Syntheses, topological analyses and photoelectric properties of Ag(I)/Cu(I) metal-organic frameworks based on a tetradentate imidazolate ligand

A new tetradentate imidazolate ligand 1,1?,1?,1???-(2,2?,4,4?,6,6?-hexamethylbiphenyl-3,3?,5,5?-tetrayl)tetrakis(methylene)(1H-imidazole) (L) and four Ag(I)/Cu(I) coordination polymers, namely [(MCN)3L]n (1: M=Ag; 2: M=Cu), and [(MSCN)2L]n (3: M=Ag; 4: M=Cu) are described. All four new coordination polymers were fully characterized by infrared spectroscopy, elemental analysis and single-crystal X-ray diffraction. Compound 1 features a 3D supramolecular framework constructed by 1D chains through inter-chain Ag-N(CN) and inter-layer Ag-N(L) weak interactions with an uninodal 66 topology. Complex 2 presents a 3D framework characterized by a tetranodal (3,4)-connected (3¡¤4¡¤5¡¤102¡¤11)(3¡¤4¡¤5¡¤6¡¤7¡¤9)(3¡¤6¡¤7)(6¡¤102) topology. Complexes 3 and 4 are isostructural, and both have a 3D network of trinodal 4-connected (4¡¤85)2(42¡¤82¡¤102)(42¡¤84)2 topology. The luminescent properties for these compounds in the solid state as well as the possible ferroelectric behavior of 1 are discussed.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

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Copper(I) Thiocyanate (CuSCN) Hole-Transport Layers Processed from Aqueous Precursor Solutions and Their Application in Thin-Film Transistors and Highly Efficient Organic and Organometal Halide Perovskite Solar Cells

This study reports the development of copper(I) thiocyanate (CuSCN) hole-transport layers (HTLs) processed from aqueous ammonia as a novel alternative to conventional n-alkyl sulfide solvents. Wide bandgap (3.4?3.9 eV) and ultrathin (3?5 nm) layers of CuSCN are formed when the aqueous CuSCN?ammine complex solution is spin-cast in air and annealed at 100 C. X-ray photoelectron spectroscopy confirms the high compositional purity of the formed CuSCN layers, while the high-resolution valence band spectra agree with first-principles calculations. Study of the hole-transport properties using field-effect transistor measurements reveals that the aqueous-processed CuSCN layers exhibit a fivefold higher hole mobility than films processed from diethyl sulfide solutions with the maximum values approaching 0.1 cm2 V?1 s?1. A further interesting characteristic is the low surface roughness of the resulting CuSCN layers, which in the case of solar cells helps to planarize the indium tin oxide anode. Organic bulk heterojunction and planar organometal halide perovskite solar cells based on aqueous-processed CuSCN HTLs yield power conversion efficiency of 10.7% and 17.5%, respectively. Importantly, aqueous-processed CuSCN-based cells consistently outperform devices based on poly(3,4-ethylenedioxythiophene) polystyrene sulfonate HTLs. This is the first report on CuSCN films and devices processed via an aqueous-based synthetic route that is compatible with high-throughput manufacturing and paves the way for further developments.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

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THERAPEUTIC COMPOUNDS AND COMPOSITIONS

Compounds of general formula I: and compositions comprising compounds of general formula I that modulate pyruvate kinase are described herein. Also described herein are methods of using the compounds that modulate pyruvate kinase in the treatment of diseases.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

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catena-Poly[[bis(nicotinamide-kappaN1)-copper(I)]-mu-thio cyanato-kappa2N:S]

The Cu1 cations in the title compound, [Cu(NCS)(C6C6H6- N2O)2]n, are coordinated by N atoms from each of two mirror-related nicotinamide ligands, as well as by one N atom of one thiocyanate ligand and one S atom of a symmetry-related thiocyanate ligand, within a slightly distorted tetrahedron. The Cu1 cations and the thiocyanate anions are located on a crystallographic mirror plane and the nicotinamide ligands occupy general positions. The Cu1 cations are connected by the thiocyanate anions to form chains in the direction of the crystallographic a axis. These chains are connected by hydrogen bonds between the amide H atoms and the O atoms of adjacent nicotinamide ligands, to give a three-dimensional structure.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

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Syntheses and crystal structure of three novel supramolecular halides/pseudohalides {(DMB)[Cu 2(SCN) 4]}n,{(DMB)[Cu(SCN) 4]}, and {(DMB)[Ag 2(SCN) 4]} n directed by dicationic template possessing C2-symmetry

Three novel hybrid complexes, namely{(DMB)[Cu2(SCN)4]}n (1), {(DMB)[Cu(SCN)4]} (2), and {(DMB)[Ag2(SCN)4]}n (3), have been synthesized via the self-assembly in DMF-methanol system based on multidentate ligand DMB, {DMB = alpha, alpha?- di(3-methylimidozole-1-yl)benzene dichloride}. Single-crystal X-ray diffraction analysis shows 1 and 3 are 1D supramolecules, whereas 2 is mononuclear. Electrostatic interactions between the organic counteranions and inorganic moieties are present and do the contribution to the crystal packing. These compounds have been further characterized by IR spectroscopy and thermostability properties.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Quality Control of Cuprous thiocyanate, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 1111-67-7, name is Cuprous thiocyanate. In an article£¬Which mentioned a new discovery about 1111-67-7

On ammonium-bis(dithiocarbamato)-copper(I)-monohydrate and Mono(dithiocarbamato)-copper(I)

The title compounds NH4[Cu(S2CNH2) 2]¡¤H2O (A) and CuS2CNH2 (B) were prepared from aqueous alcoholic solutions by reaction of ammoniumdithiocarbamate with copper sulfate in presence of excess cyanide as reductive. (A) crystallizes in the orthorhombic space group C2221 (No. 20) with a = 8.9518(6), b = 9.6414(6) and c = 10.6176(8) A, Z = 4. (B) crystallizes in the orthorhombic space group P212 121 (No. 19) with a = 5.9533(4), b = 6.6276(4) and c = 9.4834(5) A, Z = 4. In the crystal structure of (A) copper has a tetrahedral surrounding of four monodentate dithiocarbamate ligands. These structural units form 2D nets stacked along [001]. Staggered chains consisting of H2O and NH4+ penetrate the crystal structure along [001] yielding additional coherence via hydrogen bonds. The crystal structure of (B) comprises a three-dimensional tetrahedral framework of CuS 4 units exclusively linked by vertices. The arrangement is reminiscent of a filled beta-cristobalite structure with the dithiocarbamate ligands extending into the hollow spaces. Thermal decomposition precedes stepwise finally giving Cu2S in each case.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

Application of 1111-67-7, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 1111-67-7, Name is Cuprous thiocyanate,introducing its new discovery.

Synthesis and structural characterization of five copper(I) complexes of[2,3-f]-pyrazino-[1,10]phenanthroline-2,3-dicarbonitrile and triphenylp hosphine

Five new copper(I) complexes containing PPh3 and C 16H6N6, [Cu(PPh3)(C 16H6N6)Cl]?H2O (1), [Cu(PPh3)(C16H6N6)Br]?CH 3CN (2),[Cu(PPh3)(C16H6N 6)I]? CH3CN (3), [Cu(PPh3)(C 16H6N6)(CN)]?0.5 CH2Cl 2 (4) and Cu(PPh3)(C16H6N 6)(SCN) (5) {PPh3 = triphenylphosphine, C 16H6N6 = [2,3-f]-pyrazino-[1,10] phenanthroline-2,3-dicarbonitrile} have been synthesized for the first time. These complexes are obtained by the reactions of CuX (X = Cl, Br, I, CN, SCN) with the bidentate ligand C16H6N6 and the monodentate ligand PPh3 in the molar ratio of 1:1:1 in the mixed solvent of CH2Cl2 and CH3CN(5 ml/5 ml). They are characterized by X-ray crystallography, luminescence, IR, 1H NMR and 31P NMR. In solid state the complexes 1-5 are mononuclear with similar structures, but in solution they have different structures according to their different 1H NMR signals. All the complexes exhibit intense luminescence in solid state at room temperature.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. COA of Formula: CCuNS. Introducing a new discovery about 1111-67-7, Name is Cuprous thiocyanate

Synthesis and Properties of Copper(II) Thiocyanato Complexes with Imino Oximes

Reaction of copper(I) thiocyanate with imino oximes 3-<<2-(alkylamino)ethyl>imino>-2-butanone oximes or 3-<<2-(dialkylamino)ethyl>imino>-2-butanone oximes, (abbreviated as Hdox-enRR’), gave a series of copper(II) complexes which consist of binuclear complexes with a thiocyanate anion coordinated to the copper (II)ion.The magnetic susceptibilities over the temperature range 77-320 K show a strong antiferromagnetic spin coupling through the N-O bridge for these complexes.The magnetic behavior can be explained by using the Bleaney-Bowers equation.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

Synthetic Route of 1111-67-7, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.1111-67-7, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a article£¬once mentioned of 1111-67-7

CuSCN-mediated homocoupling of terminal alkynes to 1,3-diynes using 4-nitrobenzenediazonium tetrafluoroborate as oxidant

Eleven 1,3-diynes have been prepared by a highly efficient base-catalysed homocoupling of terminal alkynes mediated by a novel combination of CuSCN/4-nitrobenzenediazonium tetrafluoroborate.

A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 1111-67-7

Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”