Tag: M.W=500-600

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.Lestari, Witri Wahyu; Loennecke, Peter; Hey-Hawkins, Evamarie researched the compound: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ).Recommanded Product: Diiodo(1,5-cyclooctadiene)platinum(II).They published the article 《Noble Metal Complexes with 4,4′- and 5,5′-Pyridyl-Functionalized (S)-2,2′-Bis(diphenylphosphanyl)-1,1′-binaphthyl Ligands》 about this compound( cas:12266-72-7 ) in Zeitschrift fuer Anorganische und Allgemeine Chemie. Keywords: crystal structure noble metal chiral pyridyldiphenylphosphinobinaphthyl complex; preparation noble metal chiral pyridyldiphenylphosphinobinaphthyl complex. We’ll tell you more about this compound (cas:12266-72-7).

Six metal complexes based on AuI, PdII, or PtII with functionalized (S)-4,4′- or 5,5′-bis(3-pyridyl)-2,2′-bis(diphenylphosphino)-1,1′-binaphthyl ligands (L1, L2) have been prepared and fully characterized. According to single-crystal x-ray anal., the AuI complexes (S)-[Au2Cl2(L1)] (1) and (S)-[Au2Cl2(L2)] (2) show an almost linear Cl-Au-P arrangement, and the PdII and PtII complexes (S)-[PdCl2(L1)] (3), (S)-[PdCl2(L2)] (4), (S)-[PtI2(L1)] (5), and (S)-[PtI2(L2)] (6) exhibit distorted square-planar geometries.

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Name: Diiodo(1,5-cyclooctadiene)platinum(II). The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Synthesis of platinum-iodo-alkyl/aryl complexes in ligand-exchange reactions: Determination of the structure of Pt{(S,S)-bdpp}(X)I complexes (X = Me, I) by X-ray crystallography. Author is Janosi, Laszlo; Kollar, Laszlo; Macchi, Piero; Sironi, Angelo.

Pt{(S,S)-bdpp}(R)I (bdpp = 2,4-bis(diphenylphosphino)pentane; R = Me, Ph, Bz, 2-Tioph) complexes were formed in alkyl/aryl ligand – iodide ligand-exchange reactions by reacting the corresponding Pt{(S,S)-bdpp}R2 complexes with Me iodide. The Pt{(S,S)-bdpp}(Me)I complex was isolated and fully characterized. The influence of the X ligand on the platinum-bdpp chelate conformation was investigated in Pt{(S,S)-bdpp}(X)I (X = I, SnCl3, Me) complex series by x-ray crystallog.

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Reference of Diiodo(1,5-cyclooctadiene)platinum(II). Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Synthesis and phosphorus-31 NMR spectra of some platinum(II) complexes of the phospha-alkene, (mesityl)P=CPh2. Crystal and molecular structure of cis-[PtCl2(PEt3)(C6H2Me3P=CPh2)]·CHCl3. Author is Kroto, Harold W.; Nixon, John F.; Taylor, Michael J.; Frew, Aileen A.; Muir, Kenneth W..

Syntheses of the phospha-alkene complexes cis- and trans-[PtCl2(PEt3)L] (L = 2,4,6-Me3C6H2P:CPh2) and cis-[PtX2L2] (X = Cl, I, Me) complexes are reported. 31P NMR spectra indicate that bonding of the phospha-alkene to th metal is via the P lone pair and this is confirmed by a single crystal x-ray diffraction study of cis-[PtCl2(PEt3)L].CHCl3.

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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: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ) is researched.Electric Literature of C8H12I2Pt.Browning, C. Scott; Farrar, David H. published the article 《Platinum(II) coordination chemistry of bis(diphenylphosphino)amine》 about this compound( cas:12266-72-7 ) in Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry. Keywords: crystal structure platinum diphosphinoamine complex; amine diphosphino platinum complex; phosphinoaminophosphine platinum complex; strain four membered chelate ring. Let’s learn more about this compound (cas:12266-72-7).

A spectroscopic and structural examination of the Pt(II) coordination chem. of bis(diphenylphosphino)amine (dppa) and bis(diphenylphosphino)methylamine (dppma) was made. [Pt(dppa)Cl2], [Pt(dppma)Cl2], [Pt(dppa)(CN)2], [Pt(dppma)(CN)2], [Pt(dppa)2]2+ and [Pt(dppma)2]2+ as the chloride, iodide and tetrafluoroborate salts, [Pt(Ph2PNPPh2)2], trans-[Pt(dppa-P)2(CN)2] and [Pt2(μ-dppa)2(CN)2] were prepared The solid-state structures of [Pt(dppa)2][BF4]2.MeCN, [Pt(dppma)2][BF4]2 and trans-[Pt(dppa-P)2(CN)2] were determined by x-ray crystallog. The crystallog. examination permits a critical evaluation of the nature of the strain in the four-membered rings formed by ligand chelation to a transition-metal center. Structural and theor. data suggest that bis(diphenylphosphino)amine chelate complexes should be more strained than the corresponding bis(diphenylphosphino)methane (dppm) complexes. The preference of PtII for binding to dppa rather than dppm implies the formation of a stronger Pt-P bond in complexes of the former ligand.

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Jacobsen, Grant B.; Shaw, Bernard L.; Thornton-Pett, Mark published the article 《Synthesis and x-ray crystal structure of the heterobimetallic complex tricarbonyl[μ-bis(diphenylphosphino)methane]-μ-iodoiodoironplatinum》. Keywords: crystal structure iron platinum diphosphinomethane; structure iron platinum carbonyl diphosphinomethane; iron platinum carbonyl phosphinomethane iodo.They researched the compound: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ).Related Products of 12266-72-7. 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:12266-72-7) here.

Treatment of Fe(CO)4(dppm) (dppm = (Ph2P)2CH2) with PtI2(COD) (COD) = cyclooctadiene) in CH2Cl2 gave [(OC)3Fe(μ-dppm)(μ-I)PtI] (I) which was also obtained from [(OC)3Fe(μ-dppm)(μ-CO)PtBr2] with MeI in CH2Cl2. I was characterized by x-ray crystal structure anal. and IR spectra. The metal-metal bonding in I is viewed as a donor-acceptor type, Fe → Pt. The bridging iodo is almost sym. located between the Pt and Fe atoms. The valences of Fe and Pt in I are 0 and 2+.

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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: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ) is researched.Synthetic Route of C8H12I2Pt.Liu, Hanwen; Brewer, Christopher R.; Walker, Amy V.; McElwee-White, Lisa published the article 《Photochemistry of 1,5-Cyclooctadiene Platinum Complexes for Photoassisted Chemical Vapor Deposition》 about this compound( cas:12266-72-7 ) in Organometallics. Keywords: photoassisted chem vapor deposition platinum cyclooctadiene methyl precursor preparation; electronic structure photodecomposition platinum cyclooctadiene methyl complex. Let’s learn more about this compound (cas:12266-72-7).

Quantum yields for disappearance of (COD)PtMe2 (1a) and (COD)PtMeCl (1b) were determined at 334 nm in C6D6 solvent. Chain reactions initiated by formation of a Me radical were proposed to be the cause of quantum yields higher than unity (Φ = 5.52 ± 0.40 for 1a) when the reaction mixtures included C4F9I. The chain reactions were suppressed in the presence of the radical trap 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO), which resulted in measured disappearance quantum yields of Φ = 0.037 ± 0.003 for (COD)PtMe2 and Φ = 0.44 ± 0.02 for (COD)PtMeCl at 334 nm. Weak luminescence was observed for 1a and 1b, and it was determined that emissive decay is not competitive with Pt-CH3 bond homolysis. DFT studies enabled assignment of both SBLCT and MLCT transitions in the UV/vis spectra of 1a, while 1b only exhibits MLCT transitions. These effects can be attributed to the symmetry of the mol. and its electronic structure.

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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 Precious metal-phosphine complexes for homogeneous catalysis: synthesis and characterization of a complete series of (dppf)MX2 (M = Pt, Pd; X = Cl, Br, I, Ph), published in 1999-03-31, which mentions a compound: 12266-72-7, mainly applied to phosphinoferrocene palladium platinum halide complex preparation; ferrocenylphosphine palladium platinum halo complex preparation, Application of 12266-72-7.

(PPh2C5H4)2Fe (dppf) complexes of PdX2 (X = Cl, Br) and PtX2(X = Cl, Br, I, Ph) have been synthesized in nearly quant. yield with excellent purity by reacting the resp. norbornadiene or 1,5-cyclooctadiene metal complexes with dppf. The palladium iodide complex, (dppf)PdI2 has been isolated in 98% yield by a 1:2 mol reaction of (dppf)PdCl2 with NaI. Methods have been developed to isolate these complexes with and without the solvent (usually CH2Cl2) in the lattice. These compounds have been characterized by elemental, FTIR, multi-nuclear FTNMR and in some cases by previously reported single crystal X-Ray diffraction.

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Synthetic Route of C8H12I2Pt. 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. Compound: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Intramolecular hydroamination of alkynylamines in aqueous media catalyzed by platinum(II) 1,3,5-triaza-7-phosphaadamantane (PTA) complexes.

Cis-[PtX2(PTA)2] (1-3; X = Cl, Br, I; PTA = 1,3,5-triaza-7-phosphaadamantane) were produced by the reaction of the water-soluble phosphine PTA with [MX2(COD)] (COD = 1,5-cyclooctadiene) under a N atm. Compound 1 was previously prepared by a different means and crystallog. characterized. Therefore, to fully compare 1-3, 2 and 3 were studied both in solution and the solid state. Cis-[PtBr2(PTA)2] (2) crystallized in the monoclinic space group C2/c with a 19.992(4), b 9.741(2), c 9.510(2) Å, and β 104.11(1)° while its iodide analog 3 crystallized as the HCl salt, cis-[PtI2(PTAH)2]Cl2, in the P2/n space group with a 8.9043(1), b 10.1131(1), c 25.2173(1) Å, and β 90.245(1)°. 1-3 Were active catalysts in the intramol. hydroamination of 4-pentyn-1-amine in H2O. This is the 1st reported study of this metal-mediated transformation in aqueous media.

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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.Chisholm, Malcolm H.; Clark, Howard C.; Manzer, Leo E.; Stothers, J. B.; Ward, John E. H. researched the compound: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ).Reference of Diiodo(1,5-cyclooctadiene)platinum(II).They published the article 《Carbon-13 nuclear magnetic resonance studies of organometallic compounds. VII. 1,5-Cyclooctadieneplatinum(II) derivatives》 about this compound( cas:12266-72-7 ) in Journal of the American Chemical Society. Keywords: NMR platinum cyclooctadiene carbon; bonding platinum cyclooctadiene. We’ll tell you more about this compound (cas:12266-72-7).

The 13C NMR spectra were obtained for 3 series of π-bonded 1.5-cyclooctadiene (COD) Pt(II) complexes of the type [(COD)Pt(CH3)R], [(COD)Pt(CH3)L]+PF6-, and [(COD)PtRR’], where R and R’ are anionic substituents and L is a neutral ligand. The 13C shieldings and 13C-195Pt coupling constants are discussed and compared with 13C NMR parameters derived from related Pt(II) complexes containing σ-bonded carbons. The 13C shielding and coupling constant trends of the π-bonded carbons are generally found to parallel those trends for the σ-bonded carbons.

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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: 12266-72-7, is researched, Molecular C8H12I2Pt, about Photoluminescence Switching of Azobenzene-Conjugated Pt(II) Terpyridine Complexes by Trans-Cis Photoisomerization, the main research direction is photoluminescence trans cis photoisomerization azobenzene conjugate platinum terpyridine complex.SDS of cas: 12266-72-7.

Pt(II) complexes with a terpyridylazobenzene ligand (tpyAB) were newly synthesized, and their photoluminescence properties by trans-cis isomerization of the azo moiety were investigated. In these complexes, upon excitation with 366-nm light in polar solvents such as DMF, DMSO, and propylene carbonate, trans-to-cis isomerization with significant UV-vis spectral changes occurred almost completely. Cis-to-trans isomerization was observed both by irradiation with visible light and by heat. The reduction peaks due to the terpyridine and the azo group in the cyclic voltammograms of the Pt complexes were shifted in the pos. direction by trans-to-cis isomerization. Emission spectral changes due to trans-cis isomerization were observed for both the tpyAB and the Pt complexes. The significant differences in the emission properties of the complex compared to tpyAB include the observation that both the excitation and emission wavelengths were shifted to lower energy, located in the visible region. Moreover, the change in emission intensity between the trans and cis forms was more significant upon excitation with UV light, because the trans form of the complexes showed absolutely no emission. Accordingly, the azobenzene-conjugated Pt(II) terpyridine complexes promise to be doubly photofunctional materials, showing complete off-on switching of emission linked to the trans-cis conformation change.

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