Category: 15227-42-6

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, Molecular Photochemistry called Mechanism of cis-trans photoisomerization of dichlorodipyridineplatinum,(II), Author is Moggi, Luca; Varani, Graziano; Sabbatini, Nanda; Balzani, Vincenzo, 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, Computed Properties of C10H10Cl2N2Pt.

The photochem. behavior of cis- and trans-Pt(py)2Cl2 in CHCl3 solutions has been investigated using 313 nm light. The cis isomer undergoes 2 simultaneous photoreactions, one being an intramol. photoisomerization process (Φisom ∼0.04) and the other a photodissociation reaction involving the pyridine ligand (Φdiss ∼ 0.025). This latter photoreaction provides an intermol. path for the cis → trans isomerization since its products (namely, free pyridine and Pt-containing species) recombine thermally to give cis- and trans-Pt(py)2Cl2 in a 2:1 ratio. The trans isomer undergoes photoisomerization and pyridine release but with much lower quantum yields (∼0.001). Qual. results concerning the photochem. behavior of the above complexes in MeOH solutions upon 254 or 313 nm irradiation are also reported.

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COA of Formula: C10H10Cl2N2Pt. 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 Spectroscopic study of square planar compounds of platinum(II) and palladium(II) with substituted pyridines. I. Vibrations of the ligands. Author is Pfeffer, M.; Braunstein, P.; Dehand, J..

The ir spectra of methylpyridine Pt(II) and Pd(II) complexes were observed at 400-1700 cm-1. Bands were obtained which were displaced by coordination of the ligand or which were characteristics of cis and trans configurations of the planar 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: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ) is researched.Name: cis-Dichlorobis(pyridine)platinum(II).Martin, Marilyn; Krogh-Jespersen, Mary Beth; Hsu, Martha; Tewksbury, John; Laurent, Michel; Viswanath, Kasi; Patterson, Howard published the article 《Multistate luminescence, absorption and MCD studies of the relative energies of d → d, d → π*, and n,π → π* transitions for the cis and trans isomers of dichlorobis(pyridine)platinum(II)》 about this compound( cas:15227-42-6 ) in Inorganic Chemistry. Keywords: UV luminescence platinum chloride pyridine; magnetic CD platinum chloride pyridine. Let’s learn more about this compound (cas:15227-42-6).

Luminescence, absorption, and magnetic CD (MCD) experiments are reported for cis- and trans-dichlorobis(pyridine)platinum(II). For the trans isomer, an anal. of the temperature dependence of the lifetimes and luminescence intensities indicates that emission at 605 nm is from 2 excited π* states separated by 240 cm-1. For the cis isomer, time-resolved spectroscopy allowed observation of 2 emission bands at 600 and 700 nm, which were assigned from their lifetimes to π* → d and d → d transitions, resp. Further, temperature dependent lifetime studies show that the 600-nm band (π* → d) is from 2 electronic states separated by 200 cm-1. The absorption spectra of both isomers were measured at room and low temperatures in solution, in glasses, and in KCl pellets. From a comparison with the pyridine and Pt(NH3)2Cl2 absorption and MCD spectra and MO calculations, the observed absorption bands for Pt(py)2Cl2 are assigned as d → d, d → π*, and n, π → π* transitions. For the cis isomer the lowest unoccupied mol. orbital is a d metal orbital.

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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, Bulletin of the Chemical Society of Japan called ESR of hot ions: low spin platinum(III) complex ions produced by γ-irradiation, Author is Amano, Chikara; Fujiwara, Shizuo, the main research direction is ESR platinum complex gamma irradiation; hot ion platinum complex ESR.Formula: C10H10Cl2N2Pt.

Tervalent Pt complex ions were observed by ESR upon γ-irradiation of both bivalent and quadrivalent complexes. From their g-values, the tervalent complex ions can be classified into 2 types, one axially sym. and the other orthorhombic, the former having typical g-values of 2(g‖) and 2.4(g.perp.), and the latter a g1-value slightly lower than the free electron value of 2.0023. The hyperfine interaction due to 195Pt is 1 order of magnitude larger than that in Co complexes with 3d7 low spin configuration, indicating that the configuration interaction involving 6s-orbital is more important than that for 3d transition metal complexes involving 4s-orbital, and that 5d electrons penetrate deeply into inner shells, resulting in core polarization.

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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.Horvath, Gabriela; Premkumar, Thathan; Boztas, Ali; Lee, Eunhye; Jon, Sangyong; Geckeler, Kurt E. researched the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ).Quality Control of cis-Dichlorobis(pyridine)platinum(II).They published the article 《Supramolecular Nanoencapsulation as a Tool: Solubilization of the Anticancer Drug trans-Dichloro(dipyridine)platinum(II) by Complexation with β-Cyclodextrin》 about this compound( cas:15227-42-6 ) in Molecular Pharmaceutics. Keywords: beta cyclodextrin trans dichlorodipyridine platinum complex nanoencapsulation solubilization anticancer. We’ll tell you more about this compound (cas:15227-42-6).

A novel, water-soluble trans-platinum complex was synthesized by inclusion complexation with β-cyclodextrin. The complexation was confirmed by 1H NMR, FT-IR, TGA, and XRD as well as by SEM and EDX. As the precursor complex is not water-soluble, it is difficult to employ it for biol. applications. Here, we report that the encapsulation with cyclodextrin allowed to solubilize the complex to a solubility value of 1.6 mg/mL. Moreover, the cytotoxicity in vitro of the novel inclusion complex indicated a much higher activity after encapsulation.

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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 The separation of nonelectrolytic geometric isomers of platinum(II) by thin-layer chromatography, the main research direction is CHROMATOG THIN LAYER; PLATINUM 2 ISOMERIC COMPLEX.Recommanded Product: 15227-42-6.

Microscope slides (75 × 25 mm.) were cleaned with detergent, rinsed in H2O, and coated with a slurry containing 1 part Silica Gel G in 3 parts of a 1:1 volume mixture of MeOH and redistilled CH2Cl2. The plates were air dried for 10-20 min. and activated for 1 hr. at 110°. Saturated solutions of the cis isomers, trans isomers, and a 1:1 by weight mixture of both Pt isomers in CH2Cl2 were applied to the plate. The plate was air dried for 2-3 min. and then developed with an ascending technique until the solvent had attained ∼6 cm. The plate was then air dried and the intense yellow-spots detected in a screw-cap jar containing I. The difference of the cis and trans migrations. ΔRf, indicated the effectiveness of separation For [Pt(Et2S)2Cl2] developed in C6H6, CH2Cl2, and 19:1 mixture of C6H6:Me2CO, ΔRf was 0.45, 0.45, and 0.45, resp. For [Pt(Bu3P)2Cl2] developed in C6H6, CH2Cl2, and a 1:1 mixture of C6H6:CH2Cl2 ΔRf was 0.95, 0.55 and 0.80, resp. For [Pt(pyridine)2Cl2] developed in CH2Cl2, 5:1 of C6H6:Me2CO Me2CO, and 5:1 of CH2Cl2:Me2CO ΔRf was 0.20, 0.45, and 0.35 resp. For [(Pr3P)2Pt2(PhS)2Cl2] developed in C6H6 and CH2Cl2 ΔRf was 0.40 and 0.45, resp. For [(Pr3P)2Pt(EtS)2Cl2] developed in CH2Cl2, 1:2 of C6H6:CH2Cl2, and C6H6 ΔRf was 0.40, 0.40, and 0.30, resp. For [Pr3P)2Pt2(p-O2NC6H4S)2Cl2] developed in CH2Cl2 and 2:1 of C6H6:Me2CO ΔRf was 0.30, 0.20, and 0.10, resp. Two (200 × 100 mm.) silica gel plates were prepared A mixture of 100 mg. cis and 100 mg. trans [Cl2Pt(PBu3)2] in CH2Cl2 were applied to the plates and developed with C6H6. The bands at Rf 0.0-0.1 and 0.85-0.10 were removed and eluted with Me2CO and CH2Cl2, resp. Evaporation yielded 91% cis isomer and 93% trans isomer. Thus, complete separation had been achieved with solvent induced isomerization.

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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.Application of 693-67-4. The article 《Antitumor and antimitogenic properties of cis-dichloro(dipyridine)platinum(II)》 in relation to this compound, is published in Cancer Research. Let’s take a look at the latest research on this compound (cas:15227-42-6).

cis-Dichloro(dipyridine)platinum(II) (I) showed less potent antitumor and antimitogenic activity than previously studied cis-[Pt(NH3)2Cl2] (Rosenberg, B.; Van Camp, L., 1970). However in preliminary experiments, I was also less toxic to mice than the inorganic complex. I inhibited the growth of Escherichia coli. I increased the survival time of mice bearing Ehrlich ascites tumor; in vitro, I also inhibited protein and nucleic acid synthesis by tumors. I inhibited DNA synthesis in phytohemagglutinin-stimulated cultures of human lymphocytes.

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Quality Control of cis-Dichlorobis(pyridine)platinum(II). The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Antitumor activity of Group VIII transition metal complexes. I. Platinum(II) complexes. Author is Cleare, Michael J.; Hoeschele, James D..

A wide variety of Pt(II) complexes were studied for antitumor activity against Sarcoma 180 in female mice. In general only neutral complexes exhibited activity, whereas charged species were inactive and relatively nontoxic. A series of complexes of the type cis-[PtA2X2] (where A2 is either 2 monodentate or 1 bidentate amine ligand and X2 is either 2 monodentate or 1 bidentate anionic ligand) were studied with A and B being systematically varied. At least 10 potentially active antitumor drugs were identified, including cis-dichlorbis(methylamine)platinum(2+) [15273-32-2], diamminepropanedioatoplatinum(2+) [38780-43-7], and (1,2-ethanediammine-N,N’)(2-methylpropanedioato)platinum(2+) [41575-97-7]. The trans isomers were inactive in comparison with active cis complexes, so the presence of cis-reactive ligands seems to be a necessary parameter for antitumor activity. Complexes with highly reactive ligands such as cis-[Pt(NH3)2 (H2O)2](NO3)2 were highly toxic. Pd(II) complexes analogous to the active Pt(II) compounds were themselves inactive.

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Gale, Glen R.; Morris, Carl R.; Atkins, Loretta M.; Smith, Alayne B. published the article 《Binding of antitumor platinum compound to cells as influenced by physical factors and pharmacologically active agents》. Keywords: tumor cell platinum compound binding.They researched the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ).Recommanded Product: 15227-42-6. 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.

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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Norbury, A. H.; Sinha, A. I. P. published the article 《Infrared spectra (600-250cm-1) of some chloro and isocyanato complexes of palladium(II) and platinum(II)》. Keywords: palladium chloro isocyanato IR; platinum chloro isocyanato IR; isocyanato palladium platinum IR; chloro palladium platinum IR; IR palladium platinum complex.They researched the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ).Recommanded Product: 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.

M-NCO stretching frequencies are assigned for mixed-ligand complexes of the type ML2(NCO)2 [M = Pd(II)]. The spectra of the corresponding chloro-complexes are reported, and many of the M-Cl and M-L stretching frequencies and internal vibrations are also assigned. The geometric configurations are confirmed in most cases. The M-NCO stretching frequencies are compared with the correspondence C:N frequencies and discussed in terms of backbonding, which is particularly important for the series PdL2(NCO)2.

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