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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 12080-32-9, is researched, Molecular C8H12Cl2Pt, about 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, the main research direction is 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.Synthetic Route of C8H12Cl2Pt.

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 chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Platinum ω-Alkenyl Compounds as Chemical Vapor Deposition Precursors: Synthesis and Characterization of Pt[CH2CMe2CH2CH:CH2]2 and the Impact of Ligand Design on the Deposition Process, the main research direction is platinum alkenyl complex preparation MOCVD crystal mol structure; butenyl pentenyl hexenyl platinum complex preparation crystal mol structure.Reference of Dichloro(1,5-cyclooctadiene)platinum(II).

authors describe the synthesis and characterization of three platinum(II) ω-alkenyl complexes of stoichiometry Pt[CH2CMe2(CH2)xCH:CH2]2 where x is 0, 1, or 2, as well as some related platinum(II) compounds formed as byproducts during their synthesis. The ω-alkenyl ligands in all three complexes, cis-bis(η1,η2-2,2-dimethylbut-3-en-1-yl)platinum (2), cis-bis(η1,η2-2,2-dimethylpent-4-en-1-yl)platinum (3), and cis-bis(η1,η2-2,2-dimethylhex-5-en-1-yl)platinum (4), bind to Pt by a Pt-alkyl sigma bond at one end of the ligand chain and a Pt-olefin pi interaction at the other; the olefins reversibly decomplex from the Pt centers in solution The good volatility of 3 (10 mTorr at 20°), its ability to be stored for long periods without decomposition, and its stability toward air and moisture make it an attractive platinum chem. vapor deposition (CVD) precursor. CVD of thin films from 3 shows no nucleation delay on several different substrates (SiO2/Si, Al2O3, and VN) and gives films that are unusually smooth. At 330° in the absence of a reactive gas, the precursor deposits platinum containing 50% carbon, but in the presence of a remote oxygen plasma, the amount of carbon is reduced to below the Rutherford backscattering spectroscopy (RBS) detection limit without affecting the film smoothness. Under hot wall CVD conditions at 250° in the absence of a co-reactant, 72% of the carbon atoms in 3 are released as hydrogenated products (largely 4,4-dimethylpentenes), 22% are released as dehydrogenated products (all of which are the result of skeletal rearrangements), and 6% remain in the film. Some conclusions about the CVD mechanism are drawn from this product distribution.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Thermodynamics of adsorption of carbon dioxide on different metal oxides at temperatures from 313 to 353 K and pressures up to 25 MPa, the main research direction is carbon dioxide thermodn adsorption metal oxide temperature pressure.Formula: C8H12Cl2Pt.

This paper presents adsorption isotherm data of CO2 on four different metal oxides. Absolute adsorption isotherms of CO2 at 313 K on WO3 and at T = 313 K, 333 K, 353 K on CeO2, TiO2 and Al2O3 and pressures up to p = 25 MPa were determined from CO2 excess adsorption isotherms. It was found at 313 K a maximum absolute loading of 0.3 mmol g-1 for WO3, of 1.7 mmol g-1 for CeO2, of 3.1 mmol g-1 for TiO2 and of 6.3 mmol g-1 for Al2O3. All adsorption isotherms were fitted to the Freundlich, Langmuir, Pade, Sips and Toth models and the Pade model present a better fitting than the other models. Based on these data, the Pade and the Langmuir model were used to determine the isosteric enthalpy of adsorption which was found to be dependent on the loading and the used model.

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Deziel, Anthony P.; Hoffbauer, Melissa R.; Iluc, Vlad M. published the article 《Square Planar Nucleophilic and Radical Pt(II) Carbenes》. Keywords: planar nucleophilic radical platinum carbene preparation crystal mol structure; crystal mol structure planar nucleophilic radical platinum carbene complex; phosphinophenylmethylene platinum carbene complex preparation mol structure calculation.They researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Synthetic Route of C8H12Cl2Pt. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:12080-32-9) here.

A square planar platinum(II) carbene complex [{PC(sp2)P}HPt(PMe3)] ([PC(sp2)P]H = (bis[2-(di-iso-propylphosphino)phenyl]methylene)) was synthesized through the dehydrohalogenation of [{PC(sp3)HP}HPtCl] in a microwave reactor. The tert-Bu substituted analog, [{PC(sp2)P}tBuPt(PMe3)] ([PC(sp2)P]tBu = bis[2-(di-iso-propylphosphino)-4-tert-butylphenyl]methylene), was synthesized via an analogous route. The nucleophilic nature of the carbene carbon was confirmed through DFT calculations and reactivity with HCl. Addnl., [{PC(sp2)P}HPt(PMe3)] was treated with 0.5 equiv of I2 to generate a paramagnetic product, [{PC(sp2)P}HPtI]. The Evans method and EPR spectroscopy revealed that a one-electron oxidation occurred at the carbene carbon, thus generating a persistent radical carbene.

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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 12080-32-9, is researched, Molecular C8H12Cl2Pt, about Platinum ω-Alkenyl Compounds as Chemical Vapor Deposition Precursors: Synthesis and Characterization of Pt[CH2CMe2CH2CH:CH2]2 and the Impact of Ligand Design on the Deposition Process, the main research direction is platinum alkenyl complex preparation MOCVD crystal mol structure; butenyl pentenyl hexenyl platinum complex preparation crystal mol structure.Name: Dichloro(1,5-cyclooctadiene)platinum(II).

authors describe the synthesis and characterization of three platinum(II) ω-alkenyl complexes of stoichiometry Pt[CH2CMe2(CH2)xCH:CH2]2 where x is 0, 1, or 2, as well as some related platinum(II) compounds formed as byproducts during their synthesis. The ω-alkenyl ligands in all three complexes, cis-bis(η1,η2-2,2-dimethylbut-3-en-1-yl)platinum (2), cis-bis(η1,η2-2,2-dimethylpent-4-en-1-yl)platinum (3), and cis-bis(η1,η2-2,2-dimethylhex-5-en-1-yl)platinum (4), bind to Pt by a Pt-alkyl sigma bond at one end of the ligand chain and a Pt-olefin pi interaction at the other; the olefins reversibly decomplex from the Pt centers in solution The good volatility of 3 (10 mTorr at 20°), its ability to be stored for long periods without decomposition, and its stability toward air and moisture make it an attractive platinum chem. vapor deposition (CVD) precursor. CVD of thin films from 3 shows no nucleation delay on several different substrates (SiO2/Si, Al2O3, and VN) and gives films that are unusually smooth. At 330° in the absence of a reactive gas, the precursor deposits platinum containing 50% carbon, but in the presence of a remote oxygen plasma, the amount of carbon is reduced to below the Rutherford backscattering spectroscopy (RBS) detection limit without affecting the film smoothness. Under hot wall CVD conditions at 250° in the absence of a co-reactant, 72% of the carbon atoms in 3 are released as hydrogenated products (largely 4,4-dimethylpentenes), 22% are released as dehydrogenated products (all of which are the result of skeletal rearrangements), and 6% remain in the film. Some conclusions about the CVD mechanism are drawn from this product distribution.

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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 Confined Spaces in [n]Cyclo-2,7-pyrenylenes. Author is Grabicki, Niklas; Nguyen, Khoa T. D.; Weidner, Steffen; Dumele, Oliver.

A set of strained aromatic macrocycles based on [n]cyclo-2,7-(4,5,9,10-tetrahydro)pyrenylenes is presented with size-dependent photophys. properties. The K-region of pyrene was functionalized with ethylene glycol groups to decorate the outer rim and thereby confine the space inside the macrocycle. This confined space is especially pronounced for n=5, which leads to an internal binding of up to 8.0×104 M-1 between the ether-decorated [5]cyclo-2,7-pyrenylene and shape-complementary crown ether-cation complexes. Both the ether-decorated [n]cyclo-pyrenylenes as well as one of their host-guest complexes have been structurally characterized by single-crystal X-ray anal. In combination with computational methods the structural and thermodn. reasons for the exceptionally strong binding have been elucidated. The presented rim confinement strategy makes cycloparaphenylenes an attractive supramol. host family with a favorable, size-independent read-out signature and binding capabilities extending beyond fullerene guests.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Bidentate Disilicate Framework for Bis-Grafted Surface Species, the main research direction is silica supported platinum bidentate disilicate complex preparation; platinum bidentate disilicate complex preparation crystal structure graft silica; mol structure platinum bidentate disilicate complex; bis-grafted surface species; disilicate ligands; grafting on silicon atoms; six-membered rings; surface organometallic chemistry.Recommanded Product: 12080-32-9.

Recent advances in surface organometallic chem. have enabled the detailed characterization of the surface species in single-site heterogeneous catalysts. However, the selective formation of bis-grafted surface species remains challenging because of the heterogeneity of the supporting surface. Herein, the authors introduce a metal complex bearing bidentate disilicate ligands, -OSi(OtBu)2OSi(OtBu)2O-, as a mol. precursor, which has a silicate framework adjacent to the metal (Pt) center. The grafting of the precursors on SiO2 supports (MCM-41 and CARiACT Q10) proceeded through a substitution reaction on the Si atoms of the disilicate ligand, which was verified by the detection of isobutene and tBuOH as the elimination products, to selectively yield bis-grafted surface species. The chem. structure of the surface species was characterized by solid-state NMR, and the chem. shift values of the ancillary ligands and 195Pt nuclei suggested that the bidentate coordination sphere was maintained following grafting.

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SDS of cas: 12080-32-9. 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 Phosphorylation of 1,4:3,6-Dianhydro-D-sorbitol. Author is Anfilov, K. L.; Kurochkina, G. I.; Bratash, G. S.; Grachev, M. K..

Regioselective mono- and diphosphorylation of 1,4:3,6-dianhydro-D-sorbitol containing two hydroxyl groups differing in steric availability has been studied. The nature of the amine acting as activator and acceptor of hydrogen chloride have had significant impact on the direction of phosphorylation and the structure of the resulting products.

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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 12080-32-9, is researched, Molecular C8H12Cl2Pt, about Synthesis and metal complexes of a tertiary phosphine, 2-(2-(diphenylphosphaneyl)-1H-imidazol-1-yl)pyridine containing pyridyl and imidazole moieties, the main research direction is transition metal phosphino imidazolylpyridine complex preparation crystal structure.Application of 12080-32-9.

A tertiary phosphine, [2-{PPh2C3H2N2}C5H4N] (2), containing both imidazole and pyridine moieties was synthesized by the reaction of 2-(1H-imidazol-1-yl)pyridine (1) with BuLi followed by the addition of PPh2Cl. Reactions of 2 with Group 6 metal carbonyls and Group 10 metal salts resulted in chelate complexes [{2-{PPh2C3H2N2}C5H4N}{M(CO)4}] (3, M = Mo; 4, M = W) and [{2-{PPh2C3H2N2}C5H4N}{MCl2}] (5, M = Pd; 6, M = Pt). However, 1:1 reactions of 2 with CuX (X = Cl, Br, I) yielded dinuclear complexes [{2-{PPh2C3H2N2}C5H4N}{CuX}]2 (7, X = Cl; 8, X = Br; 9, X = I) containing [Cu(μ-X)]2 rhombus units, whereas the reaction between 2 and [Cu(NCMe)4]BF4 produced a spirocyclic complex, [{2-{PPh2C3H2N2}C5H4N}2Cu]BF4 (10). The mol. structures of complexes 4, 6 and 8 were determined using x-ray diffraction studies. Upon coordination, the bite angle of the ligand varies from 78.76(6)° (4) to 96.16(2)° (8) due to inherent flexibility associated with the ligand framework as well as the geometries preferred by the metal atoms.

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Reinholdt, Anders; Jafari, Mehrafshan G.; Sandoval-Pauker, Christian; Ballestero-Martinez, Ernesto; Gau, Michael R.; Driess, Matthias; Pinter, Balazs; Mindiola, Daniel J. published the article 《Phosphorus and Arsenic Atom Transfer to Isocyanides to Form π-Backbonding Cyanophosphide and Cyanoarsenide Titanium Complexes》. Keywords: phosphorus arsenic atom transfer isocyanide backbonding cyanophosphide cyanoarsenide titanium; pyrazolylborato titanium vanadium cyanophosphide trimethylaluminum complex preparation crystal structure; cyanoarsenide titanium vanadium pyrazolylborato complex preparation mol structure calculation; atom transfer; isocyanides; phosphaethynolate; phosphorus; titanium.They researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Quality Control of Dichloro(1,5-cyclooctadiene)platinum(II). Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:12080-32-9) here.

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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