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SDS of cas: 12080-32-9. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Cyclometalated Platinum(II) Complexes with Mesoionic Dibenzofuranyl-1,2,3-triazol-4-ylidene Ligands: Synthesis, Characterization and Photophysical Properties. Author is Soellner, Johannes; Strassner, Thomas.

Platinum(II) complexes with mesoionic C-C*-cyclometalating 1,2,3-triazolylidene ligands are highly efficient phosphorescent emitters. Herein we report a series of this type bearing dibenzofuranyl-substituted carbenes along with different β-diketonate auxiliary ligands. They show luminescence in the green region of the visible spectrum and quantum yields of up to 78% at room temperature The proposed mol. structures were verified by NMR spectroscopy and x-ray diffraction experiments which prove the formation of the mesoionic carbene. Addnl., DFT calculations and cyclic voltammetry measurements were used to rationalize the observed photophys. properties of the reported complexes.

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Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Multinuclear Ag Clusters Sandwiched by Pt Complex Units: Fluxional Behavior and Chiral-at-Cluster Photoluminescence.HPLC of Formula: 12080-32-9.

Multinuclear Ag clusters sandwiched by Pt complex units were synthesized and characterized by single crystal X-ray diffraction and NMR studies. The sandwich-shaped multinuclear Ag complexes showed two different types of fluxional behavior in solution: rapid slippage of Pt complex units on the Ag3 core and a reversible demetalation-metalation reaction by the treatment with Cl anion and Ag ion, resp. The Ag2 complex obtained by demetalation reaction from the Ag3 complex displayed U to Z isomerization. These multinuclear Ag complexes showed strong photoluminescence whose properties depended on the existence of Pt→Ag dative bonds. The Ag3 complex, identified to be “”chiral-at-cluster””, was optically resolved by the formation of a diastereomeric salt with a chiral anion. The enantiomers show CD (CD) and circularly polarized luminescence (CPL) properties which is unprecedented for compounds based on a chiral sandwich structure. Theor. calculations allow to understand their structural features and photophys. properties.

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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 12080-32-9, is researched, SMILESS is C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-], Molecular C8H12Cl2PtJournal, Applied Organometallic Chemistry called Platinum(II) complexes bearing bulky Schiff base ligands anchored onto mesoporous SBA-15 supports as efficient catalysts for hydrosilylation, Author is Huo, Yingpeng; Hu, Jiwen; Lin, Shudong; Ju, Xingming; Wei, Yanlong; Huang, Zhenzhu; Hu, Yangfei; Tu, Yuanyuan, the main research direction is silica supported naphthalenolimine Schiff base platinum cyclooctadiene preparation catalyst; bulky Schiff base anchored mesoporous SBA 15 catalyst hydrosilylation; hydrosilylation terminal alkene styrene silane regioselectivity catalyst preparation.Formula: C8H12Cl2Pt.

Reported herein is an easy-to-prepare novel heterogeneous catalyst of platinum complexes bearing binary ligands of bidentate naphthalenolimine and cyclo-1,5-octadiene that are anchored onto mesoporous silica SBA-15. The presence of the binary ligands not only stabilized the platinum, but also enabled the platinum atoms to form nanoclusters with diameters of ca 1 nm, and led to high platinum loading (8.69 wt%). Moreover, the platinum catalyst exhibited high catalytic activity towards hydrosilylation of terminal alkenes and styrene with silanes under mild and solvent-free conditions, with excellent regioselectivity.

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Related Products of 12080-32-9. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Laser-induced deposition of plasmonic Ag and Pt nanoparticles, and periodic arrays. Author is Mamonova, Daria V.; Vasileva, Anna A.; Petrov, Yuri V.; Danilov, Denis V.; Kolesnikov, Ilya E.; Kalinichev, Alexey A.; Bachmann, Julien; Manshina, Alina A..

Surfaces functionalized with metal nanoparticles (NPs) are of great interest due to their wide potential applications in sensing, biomedicine, nanophotonics, etc. However, the precisely controllable decoration with plasmonic nanoparticles requires sophisticated techniques that are often multistep and complex. Here, we present a laser-induced deposition (LID) approach allowing for single-step surface decoration with NPs of controllable composition, morphol., and spatial distribution. The formation of Ag, Pt, and mixed Ag-Pt nanoparticles on a substrate surface was successfully demonstrated as a result of the LID process from com. available precursors. The deposited nanoparticles were characterized with SEM, TEM, EDX, X-ray diffraction, and UV-VIS absorption spectroscopy, which confirmed the formation of crystalline nanoparticles of Pt (3-5 nm) and Ag (ca. 100 nm) with plasmonic properties. The advantageous features of the LID process allow us to demonstrate the spatially selective deposition of plasmonic NPs in a laser interference pattern, and thereby, the formation of periodic arrays of Ag NPs forming diffraction grating.

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Category: alcohols-buliding-blocks. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Phosphorus and Arsenic Atom Transfer to Isocyanides to Form π-Backbonding Cyanophosphide and Cyanoarsenide Titanium Complexes. Author is Reinholdt, Anders; Jafari, Mehrafshan G.; Sandoval-Pauker, Christian; Ballestero-Martinez, Ernesto; Gau, Michael R.; Driess, Matthias; Pinter, Balazs; Mindiola, Daniel J..

Decarbonylation along with E atom transfer from Na(OCE) (E = P, As) to an isocyanide coordinated to the tetrahedral TiII complex [(TptBu,Me)TiCl], yielded the [(TptBu,Me)Ti(η3-ECNAd)] species (Ad = 1-adamantyl, TptBu,Me- = hydrotris(3-tert-butyl-5-methylpyrazol-1-yl)borate). In the case of E = P, the cyanophosphide ligand displays nucleophilic reactivity toward Al(CH3)3; moreover, its bent geometry hints to a reduced Ad-NCP3- resonance contributor. The analogous and rarer mono-substituted cyanoarsenide ligand, Ad-NCAs3-, shows the same unprecedented coordination mode but with shortening of the N:C bond. As opposed to TiII, VII fails to promote P atom transfer to AdNC, yielding instead [(TptBu,Me)V(OCP)(CNAd)]. Theor. studies revealed the rare ECNAd moieties to be stabilized by π-backbonding interactions with the former TiII ion, and their assembly to most likely involve a concerted E atom transfer between Ti-bound OCE- to AdNC ligands when studying the reaction coordinate for E = P.

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Name: Dichloro(1,5-cyclooctadiene)platinum(II). Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Synthesis and Structures of Stable PtII and PtIV Alkylidenes: Evidence for π-Bonding and Relativistic Stabilization. Author is Lapierre, Etienne A.; Piers, Warren E.; Lin, Jian-Bin; Gendy, Chris.

Isolable cationic PtII and PtIV alkylidenes, proposed intermediates in catalytic organic transformations, are reported. The bonding in these species was probed by exptl., structural, spectroscopic, electrochem. and computational methods, providing direct evidence for π-bonding, the often-theorized relativistic stabilization of these species, and the influence of oxidation state.

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Synthetic Route of C8H12Cl2Pt. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Vapochromic luminescent proton conductors: switchable vapochromism and proton conduction of luminescent Pt(II) complexes with proton-exchangeable sites. Author is Kobayashi, Atsushi; Imada, Shin-ichiro; Shigeta, Yasuhiro; Nagao, Yuki; Yoshida, Masaki; Kato, Masako.

Two luminescent and highly proton-conductive Pt(II) complexes [PtCl(tpypy)]Cl and [PtCl(tpypyH)]Cl2 (1 and 1·HCl, resp.; tpypy = 2,2′: 6′,2”-terpyridine-4′,4”’-pyridine) were successfully synthesized. X-ray anal. revealed that the intermol. Pt···Pt interaction was ineffective in the monohydrated form of 1·H2O but effective in dihydrate and hexahydrate forms, 1·HCl·nH2O (n = 2 and 6). Yellow luminescence (λem = 519 nm and Φ = 0.016) assigned to intraligand 3π-π* phosphorescence was observed for 1·H2O, whereas a stronger red emission ascribable to the phosphorescence from the triplet metal-metal-to-ligand charge transfer (3MMLCT) state was observed for the HCl adduct 1·HCl·nH2O (λem = 741 nm, Φ = 0.06 for n = 2, λem = 642 nm, and Φ = 0.10 for n = 6). Both complexes exhibited strong relative humidity (RH)-dependent proton conductivity, while surprisingly high conductivity was observed for 1·HCl (6.8 × 10-3 S cm-1) at 95% RH at 298 K. The reversible transformation between 1 and 1·HCl was achieved upon exposure to humid HCl gas and heating and their vapochromic behavior was completely different owing to the presence of acidic N-H protons and the addnl. hydrophilic Cl- counteranions in 1·HCl. To the best of the authors’ knowledge, these complexes are the first switchable vapochromic and highly proton conductive materials that can be employed to visualize the proton conducting state by color and luminescence.

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Application In Synthesis of Dichloro(1,5-cyclooctadiene)platinum(II). The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Mesoionic 1,2,3-Triazolo[1,5-a]pyridine-3-ylidenes in Phosphorescent Platinum(II) Complexes. Author is Soellner, Johannes; Strassner, Thomas.

Mesoionic carbene ligands based on 1,2,3-triazole platforms can be used in cyclometalated platinum(II) complexes to achieve an efficient phosphorescence even at room temperature In this report, 1,2,3-triazolo[1,5-a]pyridine-3-ylidenes are employed in such mols. along with β-diketonates with varying steric demand. For full structural characterization, NMR spectroscopy and XRD experiments were employed. The photophys. properties were studied in solid poly(Me methacrylate) (PMMA) matrixes, as well as dichloromethane solutions In PMMA, the synthesized complexes show quantum yields of 47-54% with emission bands in the yellow region of the visible spectrum. Cyclic voltammetry measurements along with DFT calculations helped to assign the nature of the observed emissions.

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Safety of Dichloro(1,5-cyclooctadiene)platinum(II). The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Confining the Inner Space of Strained Carbon Nanorings. Author is Grabicki, Niklas; Dumele, Oliver.

Strained aromatic macrocycles based on cycloparaphenylenes (CPPs) are the shortest repeating units of armchair single-walled carbon nanotubes. Since the development of several new synthetic methodologies for accessing these structures, their properties have been extensively studied. Besides the fundamental interest in these novel mol. scaffolds, their application in the field of materials science is an ongoing topic of research. Most of the reported CPP-type macrocycles display strong binding toward fullerenes, due to the perfect match between the convex and concave π-surfaces of fullerenes and CPPs, resp. Highly functionalized CPP derivatives capable of supramol. binding with other mols. are rarely reported. The synthesis of highly functionalized [ n]cyclo-2,7-pyrenylenes leads to CPP-type macrocycles with a defined cavity capable of binding non-fullerene guests with high association constants

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Recommanded Product: 12080-32-9. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Platinum Atoms Dispersed in Single-chain Polymer Nanoparticles. Author is Hu, Zhi-Yu; Pu, Hong-Ting; Wu, Jian-Guo.

The intramol. crosslinking of single polymer chains can form single-chain nanoparticles (SCNPs), which have many applications. In this study, styrenic copolymers with pendent triphenylphosphine as the coordination site for platinum ions (Pt(II)) and benzocyclobutene as the latent reactive groups are synthesized. Triphenylphosphine groups in the chains can coordinate Pt(II) and aid slight single-chain folding in dilute solution The intramol. crosslinking caused by the ring-open reaction of benzocyclobutene completes the single-chain collapse and forms stable SCNPs in dilute solution Pt(II) embedded in SCNPs can be further reduced to platinum atoms (Pt(0)). Pt(0) steadily and atomically dispersed in SCNPs exhibits better catalytic properties than normal polymer carried platinum particles do for the reduction of p-nitrophenol to p-aminophenol.

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