Category: 12080-32-9

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called C,C coordination mode in comparison with C,P coordination mode in six and seven pallada- and platinacycle complexes of phosphorous ylide; synthesis, X-ray and theoretical studies, published in 2020-08-15, which mentions a compound: 12080-32-9, mainly applied to coordination mode six seven palladacycle platinacycle complex phosphorus ylide; crystal structure mol optimized palladacycle platinacycle phosphorus ylide; six seven membered palladacycle platinacycle phosphorus ylide preparation energy, Application of 12080-32-9.

New sym. [p-CN-C6H4C(O)CH2PPh2(CH2)2PPh2CH2C(O)C6H4-p-CN]Br2(1) and unsym. [PPh2(CH2)2PPh2CH2C(O)C6H4-p-CN]Br (2) phosphonium salts were prepared by reacting Bis(diphenylphosphino)ethane (dppe) with p-CN-C6H4C(O)CH2Br in acetone, in 1:2 and 1:1 ratios, resp. Treatment of these salts with an appropriate alkali led to sym. p-CN-C6H4C(O)C(H)PPh2(CH2)2PPh2C(H)C(O)C6H4-p-CN (3) and unsym. PPh2(CH2)2PPh2C(H)C(O)C6H4-p-CN (4) ylides. The reaction of 3 and 4 with [MCl2(cod)] (M = Pd or Pt; cod = 1,5-cyclooctadiene) in 1:1 ratio, using dichloromethane as a solvent, led to mononuclear seven membered metallocyclic ring complexes [MCl2(p-CN-C6H4C(O)C(H)PPh2(CH2)2PPh2C(H)C(O)C6H4-p-CN)] (M = Pd (5) and Pt (6), having C,C coordination mode) and mononuclear six membered ring complexes [MCl2(PPh2(CH2)2PPh2C(H)C(O)C6H4-p-CN)] (M = Pd (7) and Pt (8), having P,C coordination mode), resp. Characterization of the resulting compounds were performed by elemental anal., IR, 1H,13C and 31P NMR spectroscopic methods. As well, the unequivocal structure of compound 5 (seven membered pallada-cycle complex) was characterized crystallog. In the sym. complexes, with seven membered metallocyclic rings, the title ylide is coordinated to the metal through two ylidic carbon atoms. Using theor. methods, D.-function theory (DFT) calculations at the BP86/def2-SVP level of theory, the structures of the unsym. six membered pallada- and platinacyclic complexes were compared with the structures of the sym. seven membered pallada- and platinacyclic complexes. The strength and nature of donor-acceptor bonds between the phosphorus ylide (Y ligand) and MCl2 fragments in the [YMCl2] M = Pd, Pt, Y = p-CN-C6H4C(O)C(H)PPh2(CH2)2PPh2C(H)C(O)C6H4-p-CN,PPh2(CH2)nPPh2C(H)C(O)C6H4-p-CN, n = 1-2, were carried out by Natural bond orbital anal. (NBO) and energy-decomposition anal. (EDA) as well as their natural orbitals for chem. valence (NOCV) variations.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Dichloro(1,5-cyclooctadiene)platinum(II)(SMILESS: C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-],cas:12080-32-9) is researched.Computed Properties of C3H3ClN2O2S. The article 《Synthesis and catalytic performance of highly dispersed platinum nanoparticles supported on alumina via supercritical fluid deposition》 in relation to this compound, is published in Journal of Supercritical Fluids. Let’s take a look at the latest research on this compound (cas:12080-32-9).

Highly dispersed platinum nanoparticles (NPs) supported on alumina were prepared by supercritical fluid deposition (SFD) with the aid of co-solvent ethanol using inorganometallic Na2PtCl6·6H2O as Pt precursor. The mean Pt particle size (1.5 nm) was obtained at the optimized deposition conditions of 40°C and 110 bar and 3 h of deposition time. The catalysts were characterized by high-resolution transmission electron microscopy (HR-TEM), X-ray diffraction (XRD), CO diffuse reflectance IR Fourier transform spectroscopy (CO-DRIFTS), XPS, inductively coupled plasma optical emission spectrometry (ICP-OES) and hydrogen-oxygen titrations to investigate the structure-activity relationship. Compared with the catalyst prepared via an impregnation method, the Pt was highly dispersed to smaller particles for Pt/Al2O3 catalysts prepared by SFD and showed much higher catalytic activity of catalytic reforming of cyclohexane dehydrogenation.

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Yuan, Ming; Zhu, Wenxian; Lv, Jiaxing; Zhang, Panpan; Tang, Huadong published an article about the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9,SMILESS:C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-] ).Product Details of 12080-32-9. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:12080-32-9) through the article.

In this work, a series of hydrosilanes including phenylsilane, diphenylsilane, triethylsilane (TES), and tris(trimethylsilyl)silane combined with catalytical amount of platinum complex such as dichloro(1,5-cyclooctadiene)platinum (COD) and dichloro(dicyclopentadienyl)platinum have been used to initiate the polymerization of vinyl acetate (VAc) at 70-95°C. An ultrahigh mol. weight PVAc with number-average mol. weight (Mn) up to 1.17 X 106 Da and polydispersity index (PDI) of 2.59 has been synthesized using TES as an initiator in the presence of 9.7 ppm of COD. A kinetic study indicates that the polymerization at VAc/TES/COD molar ratio = 3.0 X 105 : 60 : 1 smoothly reached 81.0% conversion in 28.0 h at 85°C, producing PVAc with Mn increasing linearly from 1.41 X 105 to 6.01 X 105 Da with the increase of monomer conversion. A mechanistic investigation revealed that COD was firstly reduced by reductive TES, producing Pt nanoparticles and corresponding silane radicals to initiate the polymerization of VAc.

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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, Article, Angewandte Chemie, International Edition called [n]-Cyclo-9,9-dibutyl-2,7-fluorene (n=4, 5): Nanoring Size Influence in Carbon-Bridged Cyclo-para-phenylenes, Author is Sicard, Lambert; Lucas, Fabien; Jeannin, Olivier; Bouit, Pierre-Antoine; Rault-Berthelot, Joelle; Quinton, Cassandre; Poriel, Cyril, the main research direction is cyclodibutylfluorene cycloparaphenylene crystal structure refractive index UV fluorescence spectra; cyclofluorene; nanorings; ring bridging; ring size effect.Formula: C8H12Cl2Pt.

For the last ten years, ring-shaped π-conjugated macrocycles possessing radially directed π-orbitals have been subject to intense research. The electronic properties of these rings are deeply dependent on their size. However, most studies involve the flagship family of nanorings: the cyclo-para-phenylenes. We report herein the synthesis and study of the first examples of cyclofluorenes possessing five constituting fluorene units. The structural, optical and electrochem. properties were elucidated by X-ray crystallog., UV-vis absorption and fluorescence spectroscopy, and cyclic voltammetry. By comparison with a shorter analog, we show how the electronic properties of [5]-cyclofluorenes are drastically different from those of [4]-cyclofluorenes, highlighting the key role played by the ring size in the cyclofluorene family.

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Synthetic Route of C8H12Cl2Pt. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Platinum(II) complexes containing hydrazide-based aminophosphine ligands: Synthesis, molecular structures, computational investigation and evaluation as antitumour agents. Author is Gholivand, Khodayar; Maghsoud, Yazdan; Kahnouji, Mohammad; Hosseini, Mahdieh; Satari, Mohammad; Abdolmaleki, Parviz; Roe, Stephen Mark.

Four new N,N-bis(diphenylphosphino)amine ligands (amine = 1-amino-4-methylpiperazine (L1), N-aminophthalimide (L2), 4-aminomorpholine (L3) and hydrazine dihydrochloride (L4)) and their Pt(II) complexes C1, C2, C3 and C4 were synthesized and characterized using IR and NMR spectroscopies. The crystal structures of C1, C2 and C3 were determined using single-crystal x-ray diffraction techniques. The antitumor activities of the synthesized complexes determined using MTT assay on MDA-MB-231 cell line revealed that the studied complexes, especially C2, significantly suppressed the proliferation of these cancer cells in a dose- and time-dependent manner (e.g. at a complex concentration of 100 μg ml-1, in 24 h, the reduction of the cell viability was 88.00, 38.89, 83.35 and 64.28% for C1-C4, resp.). Theor. approaches were also used to investigate the energy and the nature of metal-ligand and metal-chlorine interactions in the complexes, which could explain their biol. activities. The interaction between ligand and Pt is stronger in C2, while the Pt-Cl interaction is weaker in this complex in comparison with the other complexes.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ) is researched.Recommanded Product: Dichloro(1,5-cyclooctadiene)platinum(II).Huo, Yingpeng; Hu, Jiwen; Lin, Shudong; Ju, Xingming; Wei, Yanlong; Huang, Zhenzhu; Hu, Yangfei; Tu, Yuanyuan published the article 《Platinum(II) complexes bearing bulky Schiff base ligands anchored onto mesoporous SBA-15 supports as efficient catalysts for hydrosilylation》 about this compound( cas:12080-32-9 ) in Applied Organometallic Chemistry. Keywords: 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. Let’s learn more about this compound (cas:12080-32-9).

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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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Cabeza, Javier A.; Garcia-Alvarez, Pablo; Laglera-Gandara, Carlos J.; Perez-Carreno, Enrique researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Application In Synthesis of Dichloro(1,5-cyclooctadiene)platinum(II).They published the article 《Phosphane-functionalized heavier tetrylenes: synthesis of silylene- and germylene-decorated phosphanes and their reactions with Group 10 metal complexes》 about this compound( cas:12080-32-9 ) in Dalton Transactions. Keywords: Group 10 silylene germylene decorated phosphane complex preparation; crystal structure silylene phosphane palladium nickel germylene complex. We’ll tell you more about this compound (cas:12080-32-9).

The stable phosphine-functionalized heavier tetrylenes E(tBu2bzam)pyrmPtBu2 (E = Si (1Si), Ge (1Ge); tBu2bzam = N,N’-di-tertbutylbenzamidinate; HpyrmPtBu2 = di-tert-butyl(2-pyrrolylmethyl)phosphine) were prepared by reacting the amidinatotetrylenes E(tBu2bzam)Cl (E = Si, Ge) with LipyrmPtBu2. The reactions of 1Si and 1Ge with selected M0 and MII (M = Ni, Pd, Pt) metal precursors gave square-planar [MCl2{κ2E,P-E(tBu2bzam)pyrmPtBu2}] (M = Ni, Pd, Pt; E = Si, Ge), tetrahedral [Ni{κ2E,P-E(tBu2bzam)pyrmPtBu2}(cod)] (E = Si, Ge; cod = 1,5-cyclooctadiene) and triangular [M{κ2E,P-E(tBu2bzam)pyrmPtBu2}(PPh3)] (M = Pd, Pt; E = Si, Ge) complexes, showing that 1Si and 1Ge are excellent Si,P- and Ge,P-chelating ligands that, due to their large steric bulk, are able to stabilize three-coordinate Pd0 and Pt0 complexes.

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HPLC of Formula: 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 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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Electric Literature of C8H12Cl2Pt. 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 Synthesis and Characterization of a Linear, Two-Coordinate Pt(II) Ketimide Complex. Author is Cook, Andrew W.; Hrobarik, Peter; Damon, Peter L.; Najera, Daniel; Horvath, Branislav; Wu, Guang; Hayton, Trevor W..

Herein the authors report the synthesis and characterization of a linear, two-coordinate Pt(II) ketimide complex, Pt(N:CtBu2)2 (1), formed via the reaction of PtCl2(1,5-COD) with 2 equiv of Li(N:CtBu2). Also generated in the reaction is the bimetallic complex [(tBu2C:N)Pt(μ-N,C-N:C(tBu)C(Me)2CH2)Pt(N:CtBu2)] (2). Both complexes 1 and 2 were characterized by NMR spectroscopy and x-ray crystallog. Notably, complex 1 exhibits short Pt-N distances (average Pt-N = 1.817 Å) and an unusually deshielded 195Pt chem. shift (δPt = -629 ppm) with a large 1J(195Pt,14N) coupling constant (537 Hz). These data, in combination with a detailed d. functional theory electronic structure anal., reveal highly covalent Pt:N multiple bonds formed by a combination of σ-donation, π-donation, and π-backdonation. Pt(N:CtBu2)2 represents the 1st linear Pt(II) complex to be reported, expanding the scope of Pt(II) coordination chem. beyond the more common square planar and T-shaped geometries.

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Computed Properties 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 Understanding Doping Effects on Electronic Structures of Gold Superatoms: A Case Study of Diphosphine-Protected M@Au12 (M = Au, Pt, Ir). Author is Hirai, Haru; Takano, Shinjiro; Nakamura, Toshikazu; Tsukuda, Tatsuya.

Dopants into ligand-protected Au superatoms have been hitherto limited to group X-XII elements (Pt, Pd, Ag, Cu, Hg, and Cd). To expand the scope of the dopants to the group IX elements, the authors synthesized unprecedented [IrAu12(dppe)5Cl2]+ [IrAu12; dppe = 1,2-bis(diphenylphosphino)ethane] and [PtAu12(dppe)5Cl2]2+ (PtAu12) and compared their electronic structures with that of [Au13(dppe)5Cl2]3+ (Au13). Single-crystal x-ray diffractometry, 31P{1H} NMR, and Ir L3-edge extended X-ray absorption fine structure anal. of IrAu12 revealed that the single Ir atom is located at the center of the icosahedral IrAu12 core. Electrochem. anal. demonstrated that the energy levels of the highest occupied MOs are upshifted in the order of Au13 < PtAu12 < IrAu12. This trend was qual. explained in such a manner that the jellium core potential at the central position becomes shallower by replacing Au+ with Pt0 and further with Ir-. IrAu12 underwent reversible redox reactions between the charge states of 1+ and 2+. The gradual increase of the energy gap between the HOMO and LUMO in the order of Au13 < PtAu12 < IrAu12 was observed by electrochem. measurement and optical spectroscopy. This study provides a simple guiding principle to tune the electronic structures of heterometal-doped superatoms. The orbital energies of [IrAu12(dppe)5Cl2]+ (IrAu12) and [PtAu12(dppe)5Cl2]2+ (PtAu12) were compared with those of [Au13(dppe)5Cl2]3+ (Au13) by electrochem. anal. The superat. orbitals were shifted up in the order of IrAu12 > PtAu12 > Au13. The result was explained by the upshift of the bottom of the effective potential due to different formal charge states of the dopants. Whereas Au was incorporated as Au+, Ir and Pt were incorporated as Ir- and Pt0, resp.

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