Tag: M.W:400-500

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 Novel platinum pyridine-hydroxamic acid complexes: Synthesis, characterization, X-ray crystallographic study and nitric oxide related properties, published in 2007-10-10, which mentions a compound: 15227-42-6, mainly applied to 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, Safety of cis-Dichlorobis(pyridine)platinum(II).

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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Reference:
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.Synthetic Route of C10H10Cl2N2Pt.Uson, R.; Fornies, J.; Gimeno, J.; Espinet, P.; Navarro, R. published the article 《Bis(pentafluorophenyl) complexes of palladium(II) and of platinum(II)》 about this compound( cas:15227-42-6 ) in Journal of Organometallic Chemistry. Keywords: platinum pentafluorophenyl; palladium pentafluorophenyl; fluorophenylplatinum palladium penta; stereochem IR spectrum. Let’s learn more about this compound (cas:15227-42-6).

The preparation of 8 bis(pentafluorophenyl) complexes of Pd(II) and of Pt(II) with monodentate and bidentate N-donor ligands is described together with a preparation of a Pd(II) complex of 1,2-bis(diphenylphosphino)ethane. Assignments of cis or trans configuration are discussed which depend upon the splitting or disappearance of certain bands in ir.

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

Related Products of 15227-42-6. 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 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

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 Antitumor activity of Group VIII transition metal complexes. I. Platinum(II) complexes, the main research direction is neoplasm inhibitor platinum complex; palladium complex antitumor activity.Category: tetrahydroisoquinoline.

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

Al Takhin, Ghassan; Skinner, Henry A.; Zaki, Ahmed A. published the article 《Microcalorimetric studies of the thermal decomposition of ammonia-halide and amine-halide complexes of platinum(II), [Pt(NH2R)2X2]》. Keywords: heat formation platinum amine halide; thermal decomposition platinum amine halide; thermodn platinum amine halide.They researched the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ).Computed Properties of C10H10Cl2N2Pt. 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.

The standard heats of formation of the crystalline compounds [PtL2X2] [L = NH2R (R = H, Me, CHMe2, Bu, Et, Pr, CH2CHMe2), en, pyridine; X = Cl, Br, I] were derived from the enthalpies of thermal decomposition of their cis isomers at elevated temperatures The enthalpy of sublimation (ΔHsub) of [PtL2Cl2] (L = pyridine) is estimated as 170 kJ/mol, which gives an average pyridine-Pt bond-dissociation enthalpy of 122 kJ/mol in the gas phase. For other amine ligands, the bond-dissociation enthalpy is less than for the pyridine complex, falling to a min. of 97 kJ/mol for NH3. These imply sublimation heats of 270-300 kJ/mol in the Cl complexes.

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

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 Synthesis of potential platinum(II) antitumor complexes: complexes containing bidentate pyridyl and imidazolyl donors.Synthetic Route of C10H10Cl2N2Pt.

PtLCl2 [L = di-2-pyridylmethane, 3,3-bis(2-pyridyl)pentane, 2-(2-pyridyl)imidazole (I), N-methyl-2-(2-pyridyl)imidazole] were prepared and characterized by chem. anal., elec. conductivity, IR spectra, and inhibitory effects on cultures of L1210 mouse leukemia cells. The complex with L = I gave a 50% inhibiting dose similar to that of cis-Pt(NH3)2Cl2 and below the values of the other complexes; this suggests that further tests with tumor-bearing animals is warranted for this I complex with Pt.

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

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, Russian Journal of General Chemistry called Effect of catalyst structure on the reaction of α-methylstyrene with 1,1,3,3-tetramethyldisiloxane, Author is Vekki, D. A.; Skvortsov, N. K., 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, Recommanded Product: cis-Dichlorobis(pyridine)platinum(II).

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.

From this literature《Effect of catalyst structure on the reaction of α-methylstyrene with 1,1,3,3-tetramethyldisiloxane》,we know some information about this compound(15227-42-6)Recommanded Product: cis-Dichlorobis(pyridine)platinum(II), but this is not all information, there are many literatures related to this compound(15227-42-6).

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

Sokolenko, V. A.; Bondarenko, V. S.; Korniets, E. D.; Kovtonyuk, N. P.; Kovrova, N. B. published the article 《Solid-phase condensation of coordinated pyridine and γ-picoline in platinum(II) complexes》. Keywords: thermolysis platinum picoline pyridine complex; condensation picoline pyridine coordinated platinum.They researched the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ).Formula: C10H10Cl2N2Pt. 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.

The thermolysis of cis- and trans-[PtL2Cl2] (L = py, γ-picoline (pic)) was studied by IR and 1H NMR spectroscopy. cis-[PtL2Cl2] underwent cis-trans isomerization in the solid state at 200-220°. Thermolysis of trans-[PtL2Cl2] at 240-300° led to condensation of coordinated L to give PtL1Cl2 (L1 = 2,2′-bipyridine, 4,4′-dimethyl-2,2′-bipyridine). Thermolysis of [Pt(pic)4]Cl2 gave trans-Pt(pic)2Cl2 at 160°.

There is still a lot of research devoted to this compound(SMILES：[Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2)Formula: C10H10Cl2N2Pt, and with the development of science, more effects of this compound(15227-42-6) can be discovered.

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 Hydroxy complexes of platinum(II) and palladium(II), published in 1972, which mentions a compound: 15227-42-6, Name is cis-Dichlorobis(pyridine)platinum(II), Molecular C10H10Cl2N2Pt, 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.

There is still a lot of research devoted to this compound(SMILES：[Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2)COA of Formula: C10H10Cl2N2Pt, and with the development of science, more effects of this compound(15227-42-6) can be discovered.

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

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 Electrochemical properties of MC60 (M=Pd, Pt) covered electrodes, the main research direction is electrochem property fullerene palladium platinum electrodeposited film; electrodeposition fullerene palladium platinum film; redox activity voltammetry fullerene palladium platinum electrodeposited film.SDS of cas: 15227-42-6.

The formation of electroactive films containing [60]fullerene and Pd or Pt was observed for solutions with the C60 and different metal complexes, Pd(PhCN)2Cl2, [Pd(CH3CO2)2]3, Pd(CH3CO2)2, [Pt(μ-Cl)Cl(C2H4)]2, cis-PtCl2(py)2, trans-PtCl2(py)2, and PtI2(py)2. Characterization of the film compositions by IR spectroscopy, MS and XPS shows that the films contain solely C60 and metal, as well as cations of the supporting electrolyte of the growth solution, that get incorporated during the cathodic growth process. Scanning electron micrographs of the films show that these consist mainly of spheres of ∼100 nm diameter and that the film thickness can be controlled by the number of cycles used during the growth process. The films show conductivity in the potential range of growth and this conductivity is both electronic and ionic and have thus potential application in high-d. energy storage devices.

There is still a lot of research devoted to this compound(SMILES：[Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2)SDS of cas: 15227-42-6, and with the development of science, more effects of this compound(15227-42-6) can be discovered.

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