Tag: M.W:400-500

Product Details of 15227-42-6. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Reactivity of geometric isomers of (-)-dichloropyridine(methyl p-tolyl sulfoxide)platinum(II) by optical rotatory dispersion. Author is De Vekki, D. A.; Spevak, V. N.; Skvortsov, N. K..

The reactions of the optically active geometric isomers of (-)-[Pt(Me-p-TolSO)(Py)Cl2] with several nucleophilic reagents (py, Ph3PS, Ph3P, Ph3As, and Me2SO) were studied by ORD, IR spectroscopy, and 1H and 31P NMR spectroscopy. A mechanism for the reaction is proposed.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about trans-Dichlorotetrakis(pyridine)platinum(IV) nitrate: a classical coordination compound, the main research direction is platinum 4 chloro pyridine; pyridine covalent hydrate platinum chloro.Application In Synthesis of cis-Dichlorobis(pyridine)platinum(II).

Claims that trans-[PtCl2(py)4](NO3)2 forms a covalent hydrate when dissolved in water are shown to be in error; the observed acidity of the aqueous solution is due to the presence of a small amount of a strongly acidic impurity, and all of the observed phys. and spectroscopic properties of the salt are simply interpreted in terms of classical coordination chem.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Luminescence called The effect of complexation with platinum in polyfluorene derivatives: A photo- and electro-luminescence study, Author is Assaka, Andressa M.; Hu, Bin; Mays, Jimmy; Iamazaki, Eduardo T.; Atvars, Teresa D. Z.; Akcelrud, Leni, which mentions a compound: 15227-42-6, SMILESS is [Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2, Molecular C10H10Cl2N2Pt, Synthetic Route of C10H10Cl2N2Pt.

The synthesis and characterization of a polymeric structure containing fluorene units statistically linked to 3-cyclohexyl-thiophene and bipyridine PFOTBipy-poly[(4-hexylthiophene-2,5-diyl)(9,9-dihexyl-fluoren-2,7-diyl)-co-(bipyridine-5.5′-diyl)(9,9-dihexyl-fluoren-2,7-diyl)], is reported. The complexation with platinum was possible through the bipyridil units present in 10%, 50% and 100% content. The structure has a fluorenyl moiety between each bipyridine and thiophene groups resulting in a stable and efficient light-emitting polymeric material combining the well known emissive properties of fluorene, the charge mobility generated by thiophene and the electron-transfer properties of a metal complex as well. All the polymers were photo and electroluminescent materials, and showed phosphorescence at low temperatures Photoluminescence properties were studied by steady state and time resolved spectroscopy and showed changes of both emission peak and relative intensity of the emission bands depending on the relative amount of the platinum complex. The electroluminescence followed the trends found for photoluminescence. The blue emission of the copolymer without platinum is due to the fluorenyl segments and for higher complex contents the emission is characteristic of the aggregates involving the bipyridinyl moieties. Therefore, emission color can be tuned by the complex content. The turn-on voltage was strongly reduced from 22 to 8 V for the 100% complexed copolymer, as compared to the device made with the non complexed one, but the luminance decreased, due to quenching or trapping effects.

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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: 15227-42-6, is researched, Molecular C10H10Cl2N2Pt, about Hydroxy complexes of platinum(II) and palladium(II), the main research direction is palladium hydroxy phosphine complex; platinum hydroxy phosphine complex; hydroxy palladium platinum complex; phosphine palladium platinum complex; structure palladium platinum complex.COA of Formula: C10H10Cl2N2Pt.

The preparation of hydroxy bridged complexes, [M2(OH)2-L4][BF4]2, where M = Pt and L = Et3P, Ph3P or py, or where M = Pd and L = Ph3P, is described. The structures are unambiguously established by ir, NMR, and x-ray crystallog. studies. The complexes are stable and resist bridge cleavage by tertiary phosphines under conditions which easily cleave analogous chloro bridged complexes.

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Druding, Leonard F.; Shupack, Saul I. published the article 《Separation of square planar complexes by thin layer chromatography》. Keywords: PYRIDINE COMPLEX CHROMATOG; THIN LAYER CHROMATOG; CHROMATOG SEPN SQUARE PLANAR COMPLEX; PLATINUM COMPLEX CHROMATOG; PALLADIUM COMPLEX CHROMATOG; SEPN SQUARE PLANAR COMPLEX.They researched the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ).Application In Synthesis of cis-Dichlorobis(pyridine)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:15227-42-6) here.

Uncharged sq. planar Pt and Pd complexes were separated by using plates with a 100 μ coating of silica gel bound by poly(vinyl alc.) and activated for 30 min. at 115°. The solvent was HCCl3 containing 3 drops Me2SO per 100 ml. Typical Rf values are given. Separation of cis- and trans-Ptpy2X2 (X = Cl, Br) was particularly successful, while cis- and trans-Pt(NH3)2Cl2 could not be separated The mechanism of separation appears to be via surface adsorption. Layer thickness, activation conditions, and solvent travel time are therefore very critical

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: cis-Dichlorobis(pyridine)platinum(II)(SMILESS: [Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2,cas:15227-42-6) is researched.HPLC of Formula: 693-67-4. The article 《Kinetics of oxidation of dichlorobis(substituted pyridine)platinum(II) and of reduction of tetrachlorobis(substituted pyridine)platinum(IV) complexes》 in relation to this compound, is published in Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999). Let’s take a look at the latest research on this compound (cas:15227-42-6).

The kinetics of oxidation of cis-[PtCl2L2] (L = py, 3-methyl-, 3- and 4-chloro-, 3- and 4-cyanopyridine) by [AuCl4]- in the presence of [NEt4]Cl and of reduction of cis-[PtCl4L2] by [NEt4]I were studied in MeCN. The rate law for the oxidation reaction was rate = k3[PtCl2L2][AuCl4-][Cl-], where k3 was unaffected by changes in L and had a value ∼100 times higher than that previously found for related phenanthrolineplatinum(II) complexes. The rate law for the reduction reaction was rate = k2[PtCl4L2][I-], where k2 was influenced by the basicity of L, as in related phenanthrolineplatinum(IV) complexes. The kinetic results were discussed in terms of σ and π interactions between the Pt and L.

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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: 882562-40-5, is researched, SMILESS is ClC1=NC(C2=CN(C3=C2C=CC=C3)S(=O)(=O)C2=CC=CC=C2)=C(Cl)C=N1, Molecular C18H11Cl2N3O2SJournal, Article, Research Support, Non-U.S. Gov’t, Journal of the American Chemical Society called Targeting the Gatekeeper MET146 of C-Jun N-Terminal Kinase 3 Induces a Bivalent Halogen/Chalcogen Bond, Author is Lange, Andreas; Guenther, Marcel; Buettner, Felix Michael; Zimmermann, Markus O.; Heidrich, Johannes; Hennig, Susanne; Zahn, Stefan; Schall, Christoph; Sievers-Engler, Adrian; Ansideri, Francesco; Koch, Pierre; Laemmerhofer, Michael; Stehle, Thilo; Laufer, Stefan A.; Boeckler, Frank M., the main research direction is aminopyrimidine inhibitor halogen chalcogen bond methionine JNK3 crystal structure.Category: tetrahydroisoquinoline.

We target the gatekeeper MET146 of c-Jun N-terminal kinase 3 (JNK3) to exemplify the applicability of X···S halogen bonds in mol. design using computational, synthetic, structural and biophys. techniques. In a designed series of aminopyrimidine-based inhibitors, we unexpectedly encounter a plateau of affinity. Compared to their QM-calculated interaction energies, particularly bromine and iodine fail to reach the full potential according to the size of their σ-hole. Instead, mutation of the gatekeeper residue into leucine, alanine, or threonine reveals that the heavier halides can significantly influence selectivity in the human kinome. Thus, we demonstrate that, although the choice of halogen may not always increase affinity, it can still be relevant for inducing selectivity. Determining the crystal structure of the iodine derivative in complex with JNK3 (4X21) reveals an unusual bivalent halogen/chalcogen bond donated by the ligand and the back-pocket residue MET115. Incipient repulsion from the too short halogen bond increases the flexibility of Cε of MET146, whereas the rest of the residue fails to adapt being fixed by the chalcogen bond. This effect can be useful to induce selectivity, as the necessary combination of methionine residues only occurs in 9.3% of human kinases, while methionine is the predominant gatekeeper (39%).

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Quality Control of cis-Dichlorobis(pyridine)platinum(II). 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: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Infrared spectroscopic study of dicyanato complexes of platinum. Author is Kharitonov, Yu. Ya.; Evstaf’eva, O. N.; Baranovskii, I. B.; Mazo, G. Ya..

trans-[Pt(NH3)2(CN)2] (I), trans-[Pt(ND3)2(CN)2], trans-Pt(NH3)2(CN)2.AgNO3, trans-[Pt(NH3)2(CN)2X2] (II) where X = Cl, Br, I, or OH, trans-[Pt(ND3)2(CN)2X2] where X = Br or I, cis-[PtA(CN)2] where A = (NH3)2, (pyridine)2, ethylenediamine, or (thiourea)2, cis-[Pten(CN)2X2] where X is Br or OH were studied by ir spectroscopy. Maximum of these compounds are tabulated. On oxidation of Pt, the νpt-CN did not change while νC-N increased ∼40-70 cm.-1 All trans complexes had a singlet and all cis had a doublet νCN. The split for cis complexes was larger for Pt(II) than for Pt(IV). The force constant of the C-N bond changed insignificantly, especially in Pt(II) complexes, on transition from ionic to covalent cyanides. Apparently the σ-bond contribution is larger in Pt(IV) than in Pt(II) complexes. When I was oxidized to II (X = Br) and, this subsequently became reduced, the product obtained was identical with the starting material. The complexes did not rearrange on oxidation and the nature of the X in II did not affect the Pt-N bonds. The νPt-N of trans isomers were at ∼525-31 cm.-1 for Pt(II) or Pt(IV). For the complexes studied, the overall (σ + π) bond strength of Pt-N was approx. the same in Pt(II) and Pt(IV) complexes.

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Lasitsa, N. A.; Skvortsov, N. K.; Lobadyuk, V. I.; Spevak, V. N.; Esina, G. A.; Abramova, I. P.; Lazarev, S. Ya. published an article about the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6,SMILESS:[Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2 ).Name: cis-Dichlorobis(pyridine)platinum(II). 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:15227-42-6) through the article.

A kinetic study of hydrosilylation of MeCOPh with MeSiHCl2 or MeSiPhH2 in the presence of LL1PtX2 (X = Cl, Br; L = L1 = Me2SO, Et2SO, py, Et3P, MeSOC6H4Me-4; L = C2H4, L1 = Me2SO, Et2SO; L = py, L1 = Et2SO; L = MeSOC6H4Me-4, L1 = Bu3P) catalysts showed a relationship between the ligand type and catalytic activity. In contrast with bis(phosphine) and bis(olefin) complexes, bis(sulfoxide) complexes and all complexes with mixed ligands, one of which is sulfoxide, show high catalytic activity. For the reaction with MeSiHCl2, the order of reactivity is olefin > SO > P(III) > py, close to an analogous relationship for the hydrosilylation of olefins.

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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 Redox-active films formed by electrochemical reduction of solutions of C60 and platinum complexes, published in 2002-07-31, which mentions a compound: 15227-42-6, mainly applied to redox active film electrochem reduction solution fullerene platinum complex; pyridine chloro platinum complex ferrocene electroreduction redox active film, Quality Control of cis-Dichlorobis(pyridine)platinum(II).

Electroreduction of a toluene-acetonitrile (4:1 volume/volume) solution of C60 and cis-Pt(py)2Cl2 in the presence of 0.10M tetra(n-butyl)ammonium perchlorate as supporting electrolyte produces a black, redox active film that coats the electrode surface. This film retains its redox activity when transferred to an acetonitrile solution that contains only the supporting electrolyte, 0.10M tetra(n-butyl)ammonium perchlorate. The film was characterized by IR spectroscopy, laser desorption mass spectrometry, and XPS spectroscopy. The formation of this film is dependent on the platinum complex used as precursor and on the potential range used during film growth. No film growth is observed when Pt(bipy)Cl2, Pt(py)2I2, cis-Pt(PPh3)2Cl2 or trans-Pt(py)2Cl2 were used as precursors, but {Pt(μ-Cl)Cl(C2H4)}2 is a useful precursor which allows film growth at less neg. potentials. Chem. prepared C60Pt1 is also electrochem. active when precipitated on a platinum electrode. The formation of an electroactive film from the electroreduction of C70 and cis-Pt(py)2Cl2 is also reported.

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