Category: 1111-67-7

Synthetic Route of 1111-67-7, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 1111-67-7, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a Patent，once mentioned of 1111-67-7

2-Pyridinecarboxylic acids

5-Etherified 2-pyridinecarboxylic acids, e.g. those of the formula STR1 or functional derivatives thereof, are hypotensive agents.

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

 

Electric Literature of 1111-67-7, Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics.In a document type is Article, and a compound is mentioned, 1111-67-7, Cuprous thiocyanate, introducing its new discovery.

Synthesis, spectral and crystal structures of two new copper(I) complexes of di-2-pyridyl ketone (DPK) containing uncoordinated N-protonated ligand; [(DPK)H][CuX2] (X = I and NCS)

Two new copper(I) complexes of di-2-pyridyl ketone (DPK); [(DPK)H][CuI2] (1) and [(DPK)H][(Cu{NCS)2] (2) have been prepared and characterized by spectroscopic and crystallographic methods. Both complexes are colored and exhibit very broad and strong MLCT bands in the visible region. The IR spectra of these complexes are measured and discussed. The structure determination of complex 1 shows that it consists of discrete [(DPK)H]+ cation contains N-H···N hydrogen bonds, and polymeric [CuI2]- anion. In the anion, each copper atom is in a distorted tetrahedral environment with Cu-I bond lengths from 2.570(4) to 3.072(4) A?. The structure of complex 2, which is similar to 1, features uncoordinated N-protonated di-2-pyridyl ketone cations and corrugated layers of [Cu(NCS)2](n), in which the copper atom is in a distorted tetrahedral CuS2N2 chromophore; Cu-N bond lengths are 1.954(2) and 1.958(2) A?, and Cu-S distances are 2.4120(8) and 2.4501(7) A?. (C) 2000 Elsevier Science Ltd.

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

 

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Synthesis of 1D {Cu6(mu3-SC3H 6N2)4(mu-SC3H6N 2)2(mu-I)2I4}n and 3D {Cu2(mu-SC3H6N2) 2(mu-SCN)2}n polymers with 1,3-imidazolidine-2-thione: Bond isomerism in polymers

The reaction of copper(I) iodide with 1, 3-imidazolidine-2-thione (SC 3H6N2) in a 1:2 molar ratio (M/L) has formed unusual 1D polymers, {Cu6(mu3-SC3H 6N2)4(mu-SC3H6N 2)2(mu-I)2I4}n (1) and {Cu6(mu3-SC3H6N2) 2(mu-SC3H6N2)4(mu-I) 4I2}n (1a). A similar reaction with copper(I) bromide has formed a polymer {Cu6(mu3-SC 3H6N2)2(mu-SC3H 6N2)4(mu-Br)4Br2} n (3a), similar to 1a, along with a dimer, {Cu2(mu- SC3H6N2)2(eta1-SC 3H6N2)2Br2} (3). Copper(I) chloride behaved differently, and only an unsymmetrical dimer, {Cu2(mu-SC3H6N2) (eta1-SC3H6N2)3Cl 2} (4), was formed. Finally, reactions of copper-(I) thiocyanate in 1:1 or 1:2 molar ratios yielded a 3D polymer, {Cu2(mu-SC 3H6N2)2(mu-SCN)2} n (2). Crystal data: 1, C9H18Cu 3I3N6S3, triclinic, P1, a = 9.6646(11) A, b = 10.5520(13) A, c = 12.6177(15) A, alpha = 107.239(2), beta = 99.844(2), gamma = 113.682(2), V = 1061.8(2) A3, Z = 2, R = 0.0333; 2, C4H 6CuN3S2, monoclinic, P21/c, a = 7.864(3) A, b = 14.328(6) A, c = 6.737(2) A, beta = 100.07(3), V = 747.4(5), Z = 4, R = 0.0363; 3, C12H 24Br2Cu2N8S4, monoclinic, C2/c, a = 19.420(7) A, b = 7.686(3) A, c = 16.706(6) A, beta = 115.844(6), V = 2244.1(14) A3, Z = 4, R = 0.0228; 4, C12H24Cl2Cu2N8S 4, monoclinic, P21/c, a = 7,4500(6) A, b = 18.4965(15) A, c = 16.2131(14) A, beta = 95.036(2), V = 2225.5(3) A3, Z = 4, R = 0.0392. The 3D polymer 2 exhibits 20-membered metallacyclic rings in its structure, while synthesis of linear polymers; 1 and 1a, represents an unusual example of I (1a)-S (1) bond isomerism.

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

 

A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Application In Synthesis of Cuprous thiocyanate, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. Application In Synthesis of Cuprous thiocyanate, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a Article, authors is Ren, Shi-Bin，once mentioned of Application In Synthesis of Cuprous thiocyanate

Synthesis and properties of a Cu4(SCN)4 cubane cluster-based coordination polymer with a diamond net

A triply-interpenetrating diamondoid coordination polymer [Cu 4(SCN)4(tpom)]·2H2O (1, tpom = tetrakis(4-pyridyloxymethylene)methane) was prepared, which is built from an unprecedented pseudohalide cubane cluster Cu4(SCN)4 and tetrahedral tpom ligand. 1 exhibits high thermal stability and temperature-dependent photoluminescence behaviors resembling those of Cu 4Cl4 complexes.

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

 

Application of 1111-67-7, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.1111-67-7, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a Article，once mentioned of 1111-67-7

Study of the Hole Transport Processes in Solution-Processed Layers of the Wide Bandgap Semiconductor Copper(I) Thiocyanate (CuSCN)

Wide bandgap hole-transporting semiconductor copper(I) thiocyanate (CuSCN) has recently shown promise both as a transparent p-type channel material for thin-film transistors and as a hole-transporting layer in organic light-emitting diodes and organic photovoltaics. Herein, the hole-transport properties of solution-processed CuSCN layers are investigated. Metal-insulator-semiconductor capacitors are employed to determine key material parameters including: dielectric constant [5.1 (±1.0)], flat-band voltage [-0.7 (±0.1) V], and unintentional hole doping concentration [7.2 (±1.4) × 1017 cm-3]. The density of localized hole states in the mobility gap is analyzed using electrical field-effect measurements; the distribution can be approximated invoking an exponential function with a characteristic energy of 42.4 (±0.1) meV. Further investigation using temperature-dependent mobility measurements in the range 78-318 K reveals the existence of three transport regimes. The first two regimes observed at high (303-228 K) and intermediate (228-123 K) temperatures are described with multiple trapping and release and variable range hopping processes, respectively. The third regime observed at low temperatures (123-78 K) exhibits weak temperature dependence and is attributed to a field-assisted hopping process. The transitions between the mechanisms are discussed based on the temperature dependence of the transport energy. The wide bandgap p-type semiconductor copper(I) thiocyanate (CuSCN) has the potential to replace conventional hole-transport materials in numerous opto/electronics applications. This work provides a comprehensive analysis of the charge transport properties of solution-processed CuSCN layers. Various techniques are employed to evaluate the dielectric constant, flat-band voltage, unintentional doping concentration, density of states in the mobility gap, and hole-transport mechanisms.

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

 

Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. Cuprous thiocyanate,introducing its new discovery. SDS of cas: 1111-67-7

New amido and imido bridged complexes of copper – Syntheses and structures of [{Li(OEt2)}2][Cu(NPh2)3], [ClCuN(SnMe3)3], [{CuN(SnMe3)2}4], 1?[Cu16(NH2 tBu)12Cl16], {CuNHtBu}8]

The reactions of stannylated and lithiated amines with coppersalts (halogenides, thiocyanates) lead to amido and imido bridged complexes which contain one to twelve metal atoms. [{Li(OEt2)}2][Cu(NPh2)3] (1) results from the reaction of CuCl with LiNPh2 in the presence of trimethylphosphine. With N(SnMe3)3, CuCl reacts to the donor-acceptor complex [ClCuN(SnMe3)3] (2) that is transformed into the tetrameric complex [{CuN(SnMe3)2}4] (3) by thermolysis. 3 can also be obtained by the reaction of LiN(SnMe3)2 with Cu(SCN)2. While terminally bound in 1, the amido ligand is mu2-bridging between copper atoms in compound 3. The influence of the alkyl amide’s leaving group can be seen from a comparison of the reactivity of Me3SnNHtBu and LiNHtBu, respectively. With Me3SnNHtBu, CuCl2 forms the polymeric compound 1?[Cu16(NH2 tBu)12Cl16] (4) whereas in the case of LiNHtBu with both CuCl and CuSCN, the complex [{CuNHtBu}8] (5) is obtained. The latter contains two planar Cu4N4-rings similar to those in 3. If a mesityl group is introduced at the lithium amide, different products are accessible. Both, CuBr and CuSCN, lead to the formation of [Li(dme)3][Cu6(NHMes)3(NMes)2] (6) whose anion consists of a prismatic copper core with mu2-bridging amido and mu3-bridging imido ligands. In the presence of.

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

 

A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Quality Control of Cuprous thiocyanate, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. Quality Control of Cuprous thiocyanate, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a Article, authors is esnek, Michal，once mentioned of Quality Control of Cuprous thiocyanate

Bisamidate Prodrugs of 2-Substituted 9-[2-(Phosphonomethoxy)ethyl]adenine (PMEA, adefovir) as Selective Inhibitors of Adenylate Cyclase Toxin from Bordetella pertussis

Novel small-molecule agents to treat Bordetella pertussis infections are highly desirable, as pertussis (whooping cough) remains a serious health threat worldwide. In this study, a series of 2-substituted derivatives of 9-[2-(phosphonomethoxy)ethyl]adenine (PMEA, adefovir), in their isopropyl ester bis(L-phenylalanine) prodrug form, were designed and synthesized as potent inhibitors of adenylate cyclase toxin (ACT) isolated from B. pertussis. The series consists of PMEA analogues bearing either a linear or branched aliphatic chain or a heteroatom at the C2 position of the purine moiety. Compounds with a small C2 substituent showed high potency against ACT without cytotoxic effects as well as good selectivity over human adenylate cyclase isoforms AC1, AC2, and AC5. The most potent ACT inhibitor was found to be the bisamidate prodrug of the 2-fluoro PMEA derivative (IC50=0.145 muM). Although the bisamidate prodrugs reported herein exhibit overall lower activity than the bis(pivaloyloxymethyl) prodrug (adefovir dipivoxil), their toxicity and plasma stability profiles are superior. Furthermore, the bisamidate prodrug was shown to be more stable in plasma than in macrophage homogenate, indicating that the free phosphonate can be effectively distributed to target tissues, such as the lungs. Thus, ACT inhibitors based on acyclic nucleoside phosphonates may represent a new strategy to treat whooping cough. Whooping cough combatted: With the aim to establish a new strategy against pertussis, C2-modified adefovir analogues in their bisamidate prodrug form were found to efficiently inhibit adenylate cyclase toxin (ACT) from Bordetella pertussis. The compounds show favorable plasma stability, effective distribution to target tissues, and good selectivity for ACT over human adenylate cyclase isoforms.

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Reference：
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

Synthesis, Crystal Structure and Chemical Reactivity of Dichloro(thiosemicarbazide)copper(II)

The structure of dichloro(thiosemicarbazide)copper(II), , has been determined by X-ray crystallography.Contrary to earlier proposals the compound is found to be monomeric.Electron spin resonance studies of the compound both as a polycrystalline solid and in dimethylformamide solution are also in accordance with a monomeric structure.The reactivity of towards some Lewis bases such as imidazole, 2,2′-bipyridyl etc. has also been studied.

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

 

1111-67-7, Name is Cuprous thiocyanate, belongs to copper-catalyst compound, is a common compound. HPLC of Formula: CCuNSIn an article, once mentioned the new application about 1111-67-7.

High- k Gate Dielectrics for Emerging Flexible and Stretchable Electronics

Recent advances in flexible and stretchable electronics (FSE), a technology diverging from the conventional rigid silicon technology, have stimulated fundamental scientific and technological research efforts. FSE aims at enabling disruptive applications such as flexible displays, wearable sensors, printed RFID tags on packaging, electronics on skin/organs, and Internet-of-things as well as possibly reducing the cost of electronic device fabrication. Thus, the key materials components of electronics, the semiconductor, the dielectric, and the conductor as well as the passive (substrate, planarization, passivation, and encapsulation layers) must exhibit electrical performance and mechanical properties compatible with FSE components and products. In this review, we summarize and analyze recent advances in materials concepts as well as in thin-film fabrication techniques for high-k (or high-capacitance) gate dielectrics when integrated with FSE-compatible semiconductors such as organics, metal oxides, quantum dot arrays, carbon nanotubes, graphene, and other 2D semiconductors. Since thin-film transistors (TFTs) are the key enablers of FSE devices, we discuss TFT structures and operation mechanisms after a discussion on the needs and general requirements of gate dielectrics. Also, the advantages of high-k dielectrics over low-k ones in TFT applications were elaborated. Next, after presenting the design and properties of high-k polymers and inorganic, electrolyte, and hybrid dielectric families, we focus on the most important fabrication methodologies for their deposition as TFT gate dielectric thin films. Furthermore, we provide a detailed summary of recent progress in performance of FSE TFTs based on these high-k dielectrics, focusing primarily on emerging semiconductor types. Finally, we conclude with an outlook and challenges section.

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

 

Reference of 1111-67-7, Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 1111-67-7, molcular formula is CCuNS, introducing its new discovery.

Extending motifs in lithiocuprate chemistry: Unexpected structural diversity in thiocyanate complexes

The new area of lithio(thiocyanato)cuprates has been developed. Using inexpensive, stable and safe CuSCN for their preparation, these complexes revealed Lipshutz-type dimeric motifs with solvent-dependent point group identities; planar, boat-shaped and chair shaped conformers are seen in the solid state. In solution, both Lipshutz-type and Gilman structures are clearly seen. Since the advent in 2007 of directed ortho cupration, effort has gone into understanding the structure-reactivity effects of amide ligand variation in and alkali metal salt abstraction from Lipshutz-type cuprates such as (TMP)2Cu(CN)Li2(THF) 1 (TMP = 2,2,6,6-tetramethylpiperidide). The replacement of CN- with SCN- is investigated presently as a means of improving the safety of lithium cuprates. The synthesis and solid state structural characterization of reference cuprate (TMP)2Cu(CN)Li2(THP) 8 (THP = tetrahydropyran) precedes that of the thiocyanate series (TMP)2Cu(SCN)Li2(L) (L = OEt29, THF 10, THP 11). For each of 9-11, preformed TMPLi was combined with CuSCN (2 : 1) in the presence of sub-stoichiometric Lewis base (0.5 eq. wrt Li). The avoidance of Lewis basic solvents incurs formation of the unsolvated Gilman cuprate (TMP)2CuLi 12, whilst multidimensional NMR spectroscopy has evidenced the abstraction of LiSCN from 9-11 in hydrocarbon solution and the in situ formation of Gilman reagents. The synthetic utility of 10 is established in the selective deprotometalation of chloropyridine substrates, including effecting transition metal-free homocoupling in 51-69% yield.

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