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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 Interaction of pyridineplatinum(II) complexes with alkyl sulfoxides, published in 2008-08-31, which mentions a compound: 15227-42-6, mainly applied to platinum pyridine complex reaction sulfoxide; isomerization pyridine sulfoxide complex, Related Products of 15227-42-6.

The reaction of cis- and trans-[Pt(py)2Cl2] and [Pt(py)4]Cl2 with DMSO and Et2SO was studied by NMR. The products of the reaction are pyridine sulfoxide complexes and bis(sulfoxide) complexes. With heating cis/trans isomerization occurred, determining the configuration of the final products.

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Tetrahydroisoquinoline – Wikipedia,
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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 Experimental and quantum-chemical studies of 15N NMR coordination shifts in palladium and platinum chloride complexes with pyridine, 2,2′-bipyridine and 1,10-phenanthroline.

Pd and Pt chloride complexes with pyridine (py),2,2′-bipyridine (bpy) and 1,10-phenanthroline (phen), trans-/cis-[M(py)2Cl2], [M(py)4]Cl2, trans-/cis-[M(py)2Cl4], [M(bpy)Cl2], [M(bpy)Cl4], [M(phen)Cl2], [M(phen)Cl4], where M = Pd, Pt, was studied by 1H, 195Pt, and 15N NMR. The 90-140 ppm low-frequency 15N coordination shifts are discussed in terms of such structural features of the complexes as the type of platinide metal, oxidation state, coordination sphere geometry and the type of ligand. The results of quantum-chem. NMR calculations were compared with the exptl. 15N coordination shifts, well reproducing their magnitude and correlation with the mol. structure.

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Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Redistribution of ligands in [Rh(CO)A(PPh3)2][Pt(py)Cl3], published in 1990, which mentions a compound: 15227-42-6, Name is cis-Dichlorobis(pyridine)platinum(II), Molecular C10H10Cl2N2Pt, Synthetic Route of C10H10Cl2N2Pt.

[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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Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

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.Application In Synthesis of cis-Dichlorobis(pyridine)platinum(II).Farrell, Nicholas; Ha, Tam T. B.; Souchard, Jean Pierre; Wimmer, Franz L.; Cros, Suzy; Johnson, Neil P. published the article 《Cytostatic trans-platinum(II) complexes》 about this compound( cas:15227-42-6 ) in Journal of Medicinal Chemistry. Keywords: platinum pyridine complex antitumor isomerism. Let’s learn more about this compound (cas:15227-42-6).

The unusual cytostatic properties of trans-Pt(II) complexes of pyridine, trans-[PtCl2L2] (L = pyridine, 4-methylpyridine), are reported. The complexes demonstrate increased cytostatic activity to L1210 leukemia cells over the cis-pyridine analogs and had activity equivalent to that of cisplatin. The results have implications for the design of structurally novel Pt antitumor agents.

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Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

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, Article, Research Support, U.S. Gov’t, Non-P.H.S., Research Support, U.S. Gov’t, P.H.S., Journal of Medicine (Westbury, NY, United States) called The effects of single administration of an antitumor platinum compound on ornithine decarboxylase activity in certain tissues of mice bearing L1210 leukemia, Author is Morris, Carl R.; Atkins, Loretta M.; Gale, Glen R., the main research direction is antitumor platinum compound ornithine decarboxylase; leukemia platinum compound ornithine decarboxylase.Application In Synthesis of cis-Dichlorobis(pyridine)platinum(II).

A single dose of cis-dichloro(dipyridine)platinum(II) [15227-42-6], when given to mice bearing 1-day-old L1210 leukemia, suppressed the increase of spleen and liver ornithine decarboxylase (ODC) [9024-60-6] activity which occurs concomitantly with development of the leukemia. The inhibition of ODC, the rate-limiting enzyme in polyamine synthesis, appeared to correlate with the prolonged chemotherapeutic efficacy of a single dose of the platinum complex. These observations suggest an addnl. mechanism by which platinum complexes express their antitumor actions and, in addition, support the view that polyamine synthesis and excretion patterns can be used as predictors of chemotherapeutic response.

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Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

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 Far infrared spectra of palladium compounds. II. Pyridine and 2,2′-bipyridyl complexes of palladium(II) and platinum(II), the main research direction is PALLADIUM COMPLEX IR SPECTRA; IR SPECTRA PD COMPLEX; PLATINUM COMPLEX; PYRIDINE COMPLEX; BIPYRIDYL COMPLEX.Safety of cis-Dichlorobis(pyridine)platinum(II).

The IR spectra of several sq. planar cis and trans Pd(II) and Pt(II) pyridine complexes of the type M(py)2X2 (where X = Cl, Br, and I) have been recorded from 2000 to 50 cm.-1 Comparison of the spectra of complexed pyridine to that of the free base shows 9 normal vibrations have shifted to higher frequencies on the order of 15 to 80 wave numbers The shifts are attributed to changes in the electron d. over the pyridine ring. Only insignificant shifts in a few of the normal modes of the complexed pyridine were observed between the corresponding cis and trans isomers. The assignment of the M-X stretching and bending vibrations as well as possible assignments for the M-N stretching vibrations are given and discussed. The IR spectra of Pd(II)-2,2-bipyridyl (bipy) complexes of the type Pd(bipy)2X2 (where X = Cl, Br, and I) were also recorded from 2000 to 50 cm.-1 Comparison of the spectra to those of the pyridine complexes and the free bipyridine is made. 18 references.

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Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

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.Norden, Bengt researched the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ).Reference of cis-Dichlorobis(pyridine)platinum(II).They published the article 《Rearrangement of a platinum(II) complex in DNA from intercalation outer-sphere position to non-intercalation coordination》 about this compound( cas:15227-42-6 ) in FEBS Letters. Keywords: DNA interaction platinum dipyridine complex. We’ll tell you more about this compound (cas:15227-42-6).

The interaction of I with DNA was studied using linear dichroism and absorption spectra of DNA solutions containing different concentrations of I. The initial complex had a stability constant of 3 × 105M-1 and the orientation of the I plane was angular, indicating that binding was by intercalation. This intercalated complex slowly transformed into a more stable complex with the orientation of the I plane parallel to the helix axis. In this complex there was coordination of I to N atoms of DNA bases. This complex involved the inner sphere of DNA. When II interacted with DNA, a complex was formed in which inner sphere coordination was present; II did not intercalate with DNA.

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Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

Application of 15227-42-6. 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 Thermal isomerization of complex platinum(II) compounds. Author is Kukushkin, Yu. N..

The thermal cis-trans isomerization of [PtA2I2] complexes, where A = NH3, MeNH2, EtNH2, pyridine, was studied by derivatography. The heat of isomerization is 1-7 kcal/mole. trans-[Pt(R2SO)ACl2]-type complexes melt upon heating and isomerize in the melt. The isomerization reaction proceeds through formation of a tetrahedral intermediate.

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Tetrahydroisoquinoline – Wikipedia,
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Electric Literature of C10H10Cl2N2Pt. 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 Synthesis, characterization and cytotoxicity of some palladium(II), platinum(II), rhodium(I) and iridium(I) complexes of ferrocenylpyridine and related ligands. Crystal and molecular structure of trans-dichlorobis(3-ferrocenylpyridine)palladium(II). Author is Rajput, Jaisheila; Moss, John R.; Hutton, Alan T.; Hendricks, Denver T.; Arendse, Catherine E.; Imrie, Christopher.

The preparation of a series of ferrocenyl nitrogen donor ligands including ferrocenylpyridines, ferrocenylphenylpyridines and 1,1′-di(2-pyridyl)ferrocene is described. Coordination studies of the substituted pyridines (L) were carried out with platinum, palladium, rhodium and iridium. This resulted in the preparation of the following types of complexes: [MCl(CO)2(L)] and [M(cod)(L)2]ClO4 where M = Rh or Ir, cod = 1,5-cyclooctadiene; [M’Cl2(L)2] where M’ = Pt or Pd. The X-ray crystal structure of trans-dichlorobis(3-ferrocenylpyridine)palladium was obtained. The complexes were screened for activity against two human cancer cell lines. At least two of the complexes displayed growth inhibition similar to that of the widely used chemotherapeutic agent, cisplatin.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Reactions of potassium tetrachloroplatinate(II) with pyridine derivatives in dimethylformamide and synthesis of potassium trichloro(pyridine)platinum(II), published in 1978-02-15, which mentions a compound: 15227-42-6, Name is cis-Dichlorobis(pyridine)platinum(II), Molecular C10H10Cl2N2Pt, Application of 15227-42-6.

The reactions of K2PtCl4 with pyridine derivatives L (L = py = pyridine, pic = picoline, and lut = lutidine) were studied in DMF. K[PtLCl3] (I) were isolated and the yield decreased with the order, 2,4-lut = 2-pic > 2,6-lut > 4-pic = py, which can be correlated to the steric hindrance of the ortho Me groups. Cis-[PtL2Cl2] (II) is the final product of the reactions. Trans-[PtL2Cl2] (III) can also be obtained from a DMF solution of [Pt(L)4]Cl2 (L = py) at room temperature A comparison of the above reactions in H2O and in DMF was also made.

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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem