Tag: M.W:400-500

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.Application In Synthesis 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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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 Mass spectrometry of platinum(II) complexes. Comparison of cis and trans isomers. Fragmentation and rearrangement pathways.Synthetic Route of C10H10Cl2N2Pt.

The mass spectra of 8 pairs of cis and trans isomers of PtL2X2 (L=NH3, pyridine PEt3, or PPh3; X=Cl, Br, or I) are presented and discussed. Two chelates, Pt(bipy)Cl2 and Pt(dpm)Cl2(dpm=di-α-pyridylmethane), are also included. The most significant results are: (1) parent ions can be observed for almost all these relatively involatile coordination compounds; (2) most ligand fragmentations and rearrangements occur with ligand-metal bonds intact; (3) some rearrangements appear to involve the metal; (4) cis and trans isomers of phosphine complexes give different fragmentation patterns; (5) spectra of chelates differ considerably from the spectra of analogous nonchelates; (6) in Pt(NH3)2Cl2 and Pt(py)2Cl2, little or no difference is observed in the spectra of cis and trans isomers after electron impact. Therefore, excitation to a tetrahedral state may take place.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Crystal and molecular structures of cis- and trans-dichlorobis(pyridine)platinum(II)》. Authors are Colamarino, Paolo; Orioli, Pier L..The 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).SDS of cas: 15227-42-6. Through the article, more information about this compound (cas:15227-42-6) is conveyed.

The crystal and mol. structures of cis- and trans-dichlorobis(pyridine)platinum (I, II resp.) were determined from x-ray diffractometer data by heavy-atom techniques and refined by least squares to R 0.041 and 0.068 for 1000 and 1032 observed intensities for I and II, resp. Crystals of I are monoclinic, space group C2/c, with a 9.408, b 17.110, c 15.270 Å, β 98.53.degree., and Z = 8. Crystals of II are triclinic, space group P1̅, with a 7.695, b 7.091, c 5.542 Å, α 87.6, β 83.7, γ 79.3.degree., and Z = 1. Both complexes consist of discrete mols. with Pt in square planar coordination.

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Recommanded Product: cis-Dichlorobis(pyridine)platinum(II). The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Stereospecific synthesis of cyclobutanol derivatives using a 5 minus 1 methodology and platinum(II). Author is Stewart, Frederick F.; Jennings, P. W..

Cycloaddition reaction of the carbene N2CHCO2Et to norbornene in the presence of Rh(II) gave 95% tricyclic esters I (R = CO2Et), which were reduced with LiAlH4 to give 63% I (R = CH2OH) (II). Kinetic resolution of II by oxidative insertion with Pt(py)2Cl2 gave 93% complex III (R = CH2OH) and its isomer, which underwent stereospecific acid-catalyzed ring expansion to give 70-80% complexes IV (R1 = H, Me, CHO; L = py) and their isomers. Ligand substitution with P(OMe)3 gave 100% IV [L = P(OMe)3], which underwent reductive elimination on heating to give 80-90% III (R = OR1).

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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.Recommanded Product: 92-71-7. The article 《Pyrrole thioaldehyde complexes of nickel, palladium and platinum》 in relation to this compound, is published in Zeitschrift fuer Naturforschung, B: Chemical Sciences. Let’s take a look at the latest research on this compound (cas:15227-42-6).

The coordination chem. of the unusual, pyrrole-stabilized thioaldehyde mols., 3,5-dimethylpyrrole-2-carbothioaldehyde (HSPyMeHMe) and 3,5-dimethyl-4-ethylpyrrole-2-carbothioaldehyde (HSPyMeEtMe) was studied with nickel, palladium and platinum in preparing [M(κ2-SPyMeRMe)2] (M = Ni, Pd, Pt; R = H, Et). The structure of the cyclometalated derivative [Pd(η2-C,N-C6H4CH2-2-NMe2)(κ2-SPyMeEtME)] was determined by x-ray diffraction.

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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.Albayer, Mohammad; Withanage, Nilan; Dutton, Jason researched the compound: cis-Dichlorobis(pyridine)platinum(II)( cas:15227-42-6 ).Recommanded Product: cis-Dichlorobis(pyridine)platinum(II).They published the article 《Metathesis reactions between heavy D8 fluorides and I(III)-pyridine complexes》 about this compound( cas:15227-42-6 ) in ChemRxiv. Keywords: iodine pyridine complex fluoride metathesis reaction; gold pyridine complex preparation; palladium pyridine complex preparation; platinum pyridine complex preparation crystal mol structure. We’ll tell you more about this compound (cas:15227-42-6).

The reaction between trans-[AuF2(pyridine)2]+ and [PhI(pyridine)2]2+ results in the formation of PhIF2 and [Au(pyridine)4]3+. Investigation of the reaction pathway using model Pd and Pt analogs of the gold complex indicate the most likely mechanism is attack by the Au-F onto the I(III), rather than a redox process. This demonstrates that the Au(III)-F fragment can behave in a nucleophilic manner even in a relatively electron poor cationic complex.

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Pfeffer, M.; Braunstein, P.; Dehand, J. published the article 《Spectroscopic study of square planar compounds of platinum(II) and palladium(II) with substituted pyridines. I. Vibrations of the ligands》. Keywords: platinum pyridine complex IR; palladium pyridine complex IR; pyridine metal complex IR.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.

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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Category: tetrahydroisoquinoline. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Oxidation of platinum(II) complexes by antimony pentachloride derivatives. Author is Kukushkin, V. Yu.; Tkachuk, V. M..

[Ph3PCH2Ph]2[PtXCl3] (X = Cl, NO2) are oxidized by Sb(BzCl)Cl5 (I) or Et3NCH2Ph[SbCl6] (II) in MeNO2, MeCN or DMF to give (Ph3PCH2Ph)2[PtXCl5]. SbCl5 oxidizes cis- and trans-Pt(py)2Cl2 to give cis- and trans-[Pt(py)2Cl4], resp. I oxidizes trans-[Pt(NH2CH2CO2H)2Cl2] to give trans-[Pt(NH2CH2CO2H)2Cl4] which on reaction with PCl5 in MeCN gives trans-[Pt(NH2CH2COCl)2Cl4]. [Pt(py)4]Cl2 reacted with I to give trans-[Pt(py)2Cl4]. cis- And trans-[PtL2Cl2] (L = PPh3, SMe2) are not oxidized by I or II.

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COA of Formula: 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 Hydroxy complexes of platinum(II) and palladium(II). Author is Bushnell, Gordon William; Dixon, Keith Roger; Hunter, Robert George; McFarland, John James.

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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Category: tetrahydroisoquinoline. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Microcalorimetric studies of the thermal decomposition of ammonia-halide and amine-halide complexes of platinum(II), [Pt(NH2R)2X2]. Author is Al Takhin, Ghassan; Skinner, Henry A.; Zaki, Ahmed A..

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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