930-68-7Relevant articles and documents
Preparation of nano-CuO-loaded halloysite nanotubes with high catalytic activity for selective oxidation of cyclohexene
Cheng, Zhi-Lin,Sun, Wei
, p. 81 - 84 (2016)
A facile preparation method of nano-CuO catalysts, assembled in the hollow nanotube of halloysite nanotubes (HNTs), was developed. The characterizations of XRD, TEM, SEM, BET, XRF and FT-IR were used to analyze the structure and properties of the nano-CuO
Coordination chemistry of 1,3-bis(2-pyridylimino)- and 1,3-bis-(2- thiazolylimino)isoindole copper complexes: Investigation of their catalytic behavior in oxidation reactions
Meder, Markus B.,Gade, Lutz H.
, p. 2716 - 2722 (2004)
The copper complexes [Cu(4-MeBPI)(OAc)] (4), [Cu(4-Me-10-tBuBPI)(OAc)] (5) and [Cu(BTI)(OAc)] (6) [BPI = 1,3-bis(2-pyridylimino)isoindole, BTI = 1,3-bis(2-thiazolylimino)isoindole] were prepared by reaction of the protio ligands with copper(II) acetate. Compounds 4 and 6 were characterized by X-ray diffraction, establishing distorted square-planar coordination geometries of the copper ions. Two monoclinic modifications of 6 (6a and 6b) were found, both crystallizing in the space group P21/c, but possessing different cell parameters. In contrast to 6a, which is monomeric in the crystal, the second monoclinic modification 6b has a more complicated crystal structure, which is composed of both monomeric complex units such as those found in 6a and infinite chains of coordination polymers. The copper atoms in the polymeric chains of 6b display fivefold coordination and a ligand polyhedron that is an intermediate form between a trigonal-bi-pyramidal and a square-pyramidal geometry. The allylic peroxylation of cyclohexene with tBuOOH (70% aqueous solution) catalyzed by 4 and 6 (0.17 mol %) gave tert-butylperoxy-3-cyclohexene with selectivities of 86% and 80% (based on cyclohexene) and turnover frequencies of 63 h -1 and 18 h-1, respectively. The peroxylation reaction is thought to proceed according to a Haber-Weiss radical chain mechanism. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004.
Photocatalytic Activity of the Molecular Complexes of meso-Tetraarylporphyrins with Lewis Acids for the Oxidation of Olefins: Significant Effects of Lewis Acids and meso Substituents
Mojarrad, Aida G.,Zakavi, Saeed
, p. 2854 - 2862 (2017)
In continuing our studies on the photosensitizing ability of the 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) molecular complex of meso-tetraphenylporphyrin, we have studied the photocatalytic activity of tetracyanoethylene (TCNE) molecular complexes o
Assessment of the Antioxidative and Prooxidative Activities of Two Aminoreductones Formed during the Maillard Reaction: Effects on the Oxidation of β-Carotene, Nα-Acetylhistidine, and cis-Alkenes
Pischetsrieder, Monika,Rinaldi, Francesco,Gross, Ursula,Severin, Theodor
, p. 2945 - 2950 (1998)
In short-time-heated mixtures of lactose and Nα-acetyllysine 1-[N∈-(N α-acetyllysinyl)]-1,2-dehydro1,4-dideoxy-3-hexulose (C6-AR) is formed as main product, whereas 3-hydroxy-4-(alkylamino)-3-buten-2-one (C
Cytochrome P-450 model reactions: Efficient and highly selective oxidation of alcohols with tetrabutylammonium peroxymonosulfate catalyzed by Mn-porphyrins
Rezaeifard, Abdolreza,Jafarpour, Maasoumeh,Moghaddam, Gholamreza Kardan,Amini, Fatemeh
, p. 3097 - 3101 (2007)
A novel biomimetic method for rapid oxidation of a wide range of benzylic, allylic, aliphatic, primary and secondary alcohols to the related aldehydes and ketones using Bu4NHSO5 catalyzed by Mn(TPP)OAc/pyridine system with high to ex
Polyoxometalate-molybdenylacetylacetonate hybrid complex: A reusable and efficient catalyst for oxidation of alkenes with tert-butylhydroperoxide
Moghadam, Majid,Mirkhani, Valiollah,Tangestaninejad, Shahram,Mohammadpoor-Baltork, Iraj,Javadi, Maedeh Moshref
, p. 244 - 249 (2010)
The hybrid complex consist of molybdenylacetylacetonate complex covalently linked to a lacunary Keggin-type polyoxometalate, K8[SiW11O39] (POM), was synthesized and characterized by elemental analysis, SEM, XRD, diffuse re
Multifunctional copper dimer: Structure, band gap energy, catalysis, magnetism, oxygen reduction reaction and proton conductivity
Sarkar, Debraj,Chandra Rao, Purna,Aiyappa, Harshitha Barike,Kurungot, Sreekumar,Mandal, Sudip,Ramanujam, Kothandaraman,Mandal, Sukhendu
, p. 37515 - 37521 (2016)
A new dimeric copper complex namely, [Cu2(PDA)2(Ald)2(H2O)2]·8H2O, 1, (where PDA = 2,4-pyridine dicarboxylic acid, Ald = aldrithiol) has been synthesized through a slow diffusion technique.
Synthesis and characterization of gold nanoparticles supported on thiol functionalized chitosan for solvent-free oxidation of cyclohexene with molecular oxygen
Ghiaci, Mehran,Dorostkar, Nasim,Martínez-Huerta, M. Victoria,Fierro,Moshiri, Parisa
, p. 340 - 349 (2013)
The selective liquid phase oxidation of cyclohexene to 2-cyclohexe-1-one and 1,2-cyclohexanediol has been investigated over gold nanoparticles (GNPs) with molecular oxygen in a solvent-free condition. The gold nanoparticles were immobilized on thiolated chitosan derivative (TChD), by grafting thiol groups on the support. The catalyst was characterized by XPS, N2 adsorption/desorption, TEM, FT-IR and UV-vis spectroscopy. TEM results show that the majority of Au particles have diameters in the range of 3-6 nm. X-ray photoelectron spectroscopy (XPS) revealed the coexistence of both oxidized and metallic gold species on the surface of TChD. The results show that the catalytic performance of GNPs/TChD is quite remarkable and the catalytic activity over recycled catalyst remains at a high level after at least 4 cycles. Activity tests were carried out in an autoclave at 80 C without any solvent. In order to obtain maximum conversion, the reaction parameters such as reaction temperature and time were optimized. Under optimized conditions, a maximum of 87% conversion and 70% selectivity was achieved with the GNPs/TChD catalyst.
Homogenous and heterogeneous catalytic activity of Azo-linked Schiff base complexes of Mn(II), Cu(II) and Co(II)
Lashanizadegan, Maryam,Zareian, Zeinab
, p. 1698 - 1702 (2011)
Azo linked Schiff-base[L] complexes of Mn(II)(1), Cu(II)(2) and Co(II)(3) obtained by template method, in the reaction of 4-(benzeneazo) salicylaldehyde with 1,2-propanediamine in the present of metal acetate, respectively. Complexes are used as catalyst
Silylated layered double hydroxide nanosheets prepared by a large-scale synthesis method as hosts for intercalation of metal complexes
Guo, Wenya,Zhao, Yuan,Zhou, Fan,Yan, Xiaoliang,Fan, Binbin,Li, Ruifeng
, p. 101 - 108 (2016)
We present a novel strategy for preparing silylated MgAl layered double hydroxide (LDH) intercalated with metal complexes with the purpose of improving the catalytic activity of the intercalated active species. This strategy involves preparing the exfolia
