Category: 15227-42-6

Computed Properties of C10H10Cl2N2Pt. 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 Binding of antitumor platinum compound to cells as influenced by physical factors and pharmacologically active agents. Author is Gale, Glen R.; Morris, Carl R.; Atkins, Loretta M.; Smith, Alayne B..

Tritiated cis-dichloro(dipyridine)platinum(II) (I) [15227-42-6] bound to intact Ehrlich ascites tumor cells at 37.deg. in vitro and remained associated with the acid-insoluble fraction of the cells. The extent of binding was also increased with increasing hydrogen ion [1333-74-0] concentration in the medium. The binding was enhanced markedly at 60.deg. and the maximum number of binding sites/cell was .sim.7 billion at this temperature Of 49 chems. and drugs tested, none decreased appreciably the rate and extent of binding, whereas certain heavy metals, and compounds that compromise membrane permeability enhanced the binding. Human and bovine lymphocytes had similar binding characteristics, but bound much more I/unit of cell volume.

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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: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about cis-Bis(pyridine)platinum(II) organoamides with unexpected growth inhibition properties and antitumor activity.Category: tetrahydroisoquinoline.

The platinum(II) organoamides [Pt(NRCH2)2L2] (L = pyridine (py), R = p-HC6F4, C6F5, p-IC6F4, p-ClC6F4, p-C6F5C6F4; L = 4-methylpyridine, R = p-HC6F4) and [Pt(NRCH2CH2NR’)(py)2] (R = p-HC6F4, R’ = C6F5, p-BrC6F4, or p-MeC6F4) inhibit the growth of murine L1210 leukemia cells in culture with ID50 values for continuous exposure in the range 0.6-2.7 μM. Representative complexes are also active against L1210 cells in 2-h pulse exposures, as well as against the cisplatin-resistant variant L1210/DDP and human colonic carcinoma cell lines HT 29 and BE. Three complexes [Pt(NRCH2)2L2] (R = p-HC6F4, C6F5, or p-IC6F4) have good activity (T/C ≥ 180%) against P388 leukemia in mice, and all other compounds tested are active except when R = p-C6F5C6F4, L = py. Although the mol. basis of the biol. activity of these complexes is not known, the observation of good activity for amineplatinum(II) compounds with no hydrogen substituents on the nitrogen donor atoms introduces a new factor in the anticancer behavior of platinum(II) complexes.

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Synthetic Route of C10H10Cl2N2Pt. 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: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Redistribution of ligands in [Rh(CO)A(PPh3)2][Pt(py)Cl3].

[Rh(CO)A(PPh3)2][Pt(py)Cl3].DMF (I; A = py, 4-picoline (pic), 2,2′-bipyridine (bpy), 1,10-phenanthroline (phen)) were prepared by the reaction of [Rh(CO)A(PPh3)2]NO3 with K[Pt(py)Cl3] in DMF. For I (A = py, pic) at room temperature in DMF, Me2CO, CHCl3 or C6H6 after 15-30 min., redistribution of ligands occurred with the formation of Rh(CO)(PPh3)2Cl and cis-Pt(py)ACl2. I (A = bpy, phen) are stable in solution

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Name: cis-Dichlorobis(pyridine)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: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Effect of catalyst structure on the reaction of α-methylstyrene with 1,1,3,3-tetramethyldisiloxane. Author is Vekki, D. A.; Skvortsov, N. K..

Reaction of α-methylstyrene with 1,1,3,3-tetramethyldisiloxane in the presence of the complexes of Pt(II), Pd(II) and Rh(I) is explored. In the presence of Pt catalyst, hydrosilylation of α-methylstyrene occurs predominantly giving β-adduct, while on Pd catalysts proceeds reduction of α-methylstyrene and on Rh catalysts both processes take place. In the reaction mixture proceeds disproportion and dehydro-condensation of 1,1,3,3-tetramethyldisiloxane that gives long chain linear and cyclic siloxanes HMe2Si(OSiMe2)nH and (-OSiMe2-)m (n = 2-6, m = 3-7), resp. Platinum catalysts promotes formation of linear siloxanes, while both Rh and Pd catalysts afford linear and cyclic siloxanes as well. Structure of intermediate metallo-complexes was studied.

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Safety of cis-Dichlorobis(pyridine)platinum(II). 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: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Suppression of growth by platinum(II) complexes in relation to their structure.

Structure-activity studies with 17 Pt-containing complexes showed a correlation between the ability of these complexes to inhibit cell division in corn roots and their known antitumor activities. For the more active compounds C90 (90% suppression of root growth rate) for 3 days was 3 × 10-6M, close to the corresponding amount for highly active inhibitors of other chem. classes. Possible use of the root growth rate to study the biol. activity of Pt-containing complexes is suggested. Structure-activity relations were discussed.

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Griffith, Darren; Bergamo, Alberta; Pin, Sara; Vadori, Marta; Mueller-Bunz, Helge; Sava, Gianni; Marmion, Celine J. published the article 《Novel platinum pyridine-hydroxamic acid complexes: Synthesis, characterization, X-ray crystallographic study and nitric oxide related properties》. Keywords: pyridinehydroxamic acid preparation complexation platinum; crystal structure platinum pyridinehydroxamato chloro complex; platinum pyridinehydroxamato pyridinecarboxylato complex preparation; ruthenium nitrosyl chloro ethylenediaminetetraacetato complex preparation; vasorelaxation agent platinum pyridinehydroxamato pyridinecarboxylato complex; nitric oxide release platinum pyridinehydroxamato 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.

We describe the synthesis and characterization of a novel class of PtII and PtIV pyridine-hydroxamic acid (pyhaH) complexes of general formula cis-[PtIICl2(x-pyhaH)2] and cis-[PtIVCl4(x-pyhaH)2], resp., (where x = 3 or 4) in which the pyridine-hydroxamic acid is coordinated to the platinum ion via the pyridine nitrogen only leaving the hydroxamic acid free to potentially release cytotoxic nitric oxide (NO). The crystal structure of the PtIV derivative, cis-[PtCl4(4-pyhaH)2]·2CH3OH is reported. To establish the biol. effect of the uncoordinated hydroxamic acid moiety in the PtII compounds, the corresponding pyridinecarboxylic acid (pycaH) complexes of general formula cis-[PtIICl2(x-pycaH)2] (where x = 3 or 4) and the PtII pyridine (py) complex cis-[PtIICl2(py)2] were synthesized and served as reference standards The NO-releasing properties of each of the PtII compounds, the pyhaH and the pycaH ligands were studied. The PtII pyridine-hydroxamic acid derivatives were found to induce potent in vitro effects attributable to either NO-release from the hydroxamic acid moiety and/or stimulation of inducible nitric oxide synthase of endothelial cells.

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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: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Cis-bis(pyridine)dichloro derivatives of platinum(IV).Recommanded Product: cis-Dichlorobis(pyridine)platinum(II).

The complexes Pt(py)2Cl2XNO2 (X = Cl-, Br-) and Pt(py)2Cl2(OH)NO2 were precipitated by adding 5-10 ml. H2O to mixtures of equivalent amounts of Pt(py)2Cl2(NO2)NO3 (I) and KCl, KBr, or KOH, resp. I reacts with KI to give a mixture of Pt(py)2Cl2I2 and Pt(py)2Cl2INO2. Chlorination of Pt(py)2Cl2 yields [Pt(py)2Cl2]Cl2. [Pt(py)2Cl2][Pt(py)2Cl2(OH)2] was obtained from Pt(py)2Cl2 and 10% aqueous H2O2 at room temperature after standing for 24 hrs. Individual species were identified by x-ray diffraction tests. The aqueous solutions of Pt(py)2Cl2XNO2 undergo hydrolysis according to: Pt(py)2Cl2XNO2 + H2O ⇌ [Pt(py)2Cl2X(H2O)]+ + NO2-, whereas the aqueous solutions of Pt(py)2Cl2(OH)2 and [Pt(py)2Cl2]Cl2 are considerably more stable. Solutions of Pt(py)2Cl2Br2 partially decompose in light to Pt(py)2Cl2, HBrO, and HBr, resp.

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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: 15227-42-6, is researched, SMILESS is [Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2, Molecular C10H10Cl2N2PtJournal, Zhurnal Obshchei Khimii called Platinum(II) complexes in the catalytic hydrosilylation of acetophenone. Kinetics of the reaction and the effect of ligands, Author is Lasitsa, N. A.; Skvortsov, N. K.; Lobadyuk, V. I.; Spevak, V. N.; Esina, G. A.; Abramova, I. P.; Lazarev, S. Ya., the main research direction is acetophenone hydrosilylation platinum catalyst kinetics; ligand effect platinum catalyst hydrosilylation.Category: tetrahydroisoquinoline.

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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Tessier, C.; Rochon, F. D. 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 ).Formula: C10H10Cl2N2Pt. 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.

Cis- and trans-Pt(Ypy)2X2, where Ypy is a Me derivative of pyridine and X = Cl or I, were studied by spectroscopic methods, especially by multinuclear NMR spectroscopy. In 195Pt NMR, the cis-dichloro compounds were observed between -1998 and -2021 ppm in CDCl3, while the trans compounds were found at slightly lower field, between -1948 and -1973 ppm. The diiodo species were observed at much higher field, between -3199 and -3288 ppm for the cis isomers and between -3122 and -3264 ppm for the trans isomers. In 1H NMR, the 3J(195Pt-1H) coupling constants are larger for the cis compounds (∼42 ppm) than for the trans isomers (∼33 ppm). In 13C NMR, the values of 3J(195Pt-13C) also are larger for the cis complexes. There seems to be a slight dependence of the pKa values of the protonated ligands on the δ(Pt) chem. shifts. The presence of π-bonding between Pt and the pyridine ligands do not seem very important. The crystal structures of three dichloro and five diiodo complexes were determined, in an attempt to obtain information on the trans influence of the three ligands. The iodo ligand has the greatest trans influence. Chloro and pyridine ligands seem to have similar trans influence, although, the chloro ligand seems to have a slightly larger influence than pyridine derivatives One structure, trans-Pt(2-pic)2I2, showed a syn conformation of the two 2-picoline ligands.

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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.Synthetic Route of C6H5NO3. The article 《Rotation and conformation of purine ligands in cis-bis(6-oxopurine)platinum compounds》 in relation to this compound, is published in Inorganica Chimica Acta. Let’s take a look at the latest research on this compound (cas:15227-42-6).

cis-[PtL2L12]2+ (L = guanosine, 9-methylhypoxanthine, L1 = Me-substituted 1,3-propanediamines, py, α-picoline, 2,2′-bipyridine, 1,2-bis(pyridin-2-yl)ethane) were prepared and studied by NMR. Rotation of L about their Pt-N7 bonds is fast on the NMR time scale, when no Me groups are present on the nitrogens of the 1,3-propanediamine ligands. Rotation is slow when 2 Me groups are present on 1 N of a 1,3-propanediamine chelate. A single Me group on a N hardly seems to interfere with this rotation. Coordinated pyridines do not hinder rotation. In compounds containing 2-methylpyridine ligands, the rotation of the pyridines is slow at room temperature, but becomes fast at higher temperatures Rotation of L, however, is fast on the NMR time scale from -30 to +90°. In compounds containing 1,2-bis(pyridin-2-yl)ethane, rotation of L is slow at low temperatures, but becomes fast at room temperature Furthermore, the results obtained with these compounds show that the purines are preferentially oriented in a head-to-tail arrangement.

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