Tag: M.W=300-400

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.Barker, Nathaniel M.; Taylor, Stephen D.; Ferguson, Ethan; Krause, Jeanette A.; Oliver, Allen G.; Connick, William B.; Zhang, Peng researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Synthetic Route of C8H12Cl2Pt.They published the article 《Water’s Role in Polymorphic Platinum(II) Complexes》 about this compound( cas:12080-32-9 ) in Inorganic Chemistry. Keywords: platinum terpyridine complex preparation vapochromism fluorescence; optimized mol structure platinum terpyridine complex; crystal structure platinum terpyridine complex. We’ll tell you more about this compound (cas:12080-32-9).

Solvent plays a vital role in the recrystallization process and resulting crystallinity of materials. This role is of such importance that it can control the stability and utility of materials. In this work, the inclusion of a solvent in the crystalline lattice, specifically water, drastically affects the overall stability of two platinum polymorphs. [Pt(tpy)Cl]BF4 (tpy = 2,2′;6’2”-terpyridine) crystallizes in three forms, red (1R) and blue (1B) polymorphs and a yellow nonsolvated form (2). 1R is the more stable of the two polymorphs, whereas 1B loses crystallinity upon dehydration at ambient conditions resulting in the formation of 2. Close examination of the solid-state extended structures of the two polymorphs reveals that 1R has a lattice arrangement that is more conducive to stronger intermol. interactions compared to 1B, thereby promoting greater stability. In addition, these two polymorphs exhibit unique vapochromic responses when exposed to various solvents.

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Name: Dichloro(1,5-cyclooctadiene)platinum(II). 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: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Transition metal decorated soft nanomaterials through modular self-assembly of an asymmetric hybrid polyoxometalate. Author is Hampson, Elizabeth; Cameron, Jamie M.; Watts, Julie A.; Newton, Graham N..

An asym. functionalised Wells-Dawson organic-inorganic hybrid polyoxometalate has been post-functionalised by Pt2+ coordination, and demonstrates self-assembly into surface-decorated micellar nanostructures. This multifunctional hybrid material is found to be a redox-active soft nanomaterial and demonstrates a new mol. design strategy with potential for applications in photo- or electro-catalysis.

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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, Article, Inorganic Chemistry called Luminescent Platinum(II) Complexes of N^N-^N Amido Ligands with Benzannulated N-Heterocyclic Donor Arms: Quinolines Offer Unexpectedly Deeper Red Phosphorescence than Phenanthridines, Author is Mandapati, Pavan; Braun, Jason D.; Killeen, Charles; Davis, Rebecca L.; Williams, J. A. Gareth; Herbert, David E., which mentions a compound: 12080-32-9, SMILESS is C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-], Molecular C8H12Cl2Pt, Application of 12080-32-9.

A platform for investigating the impact of π-extension in benzannulated, anionic pincer-type N^N-^N-coordinating amido ligands and their Pt(II) complexes is presented. Based on bis(8-quinolinyl)amine, sym. and asym. proligands bearing quinoline or π-extended phenanthridine (3,4-benzoquinoline) units are reported, along with their red-emitting, phosphorescent Pt(II) complexes of the form (N^N-^N)PtCl. Comparing the photophys. properties of complexes of (quinolinyl)amido ligands with those of π-extended (phenanthridinyl)amido analogs revealed a counterintuitive impact of site-selective benzannulation. Contrary to conventional assumptions regarding π-extension, and in contrast to isoenergetic lowest energy absorption bands and a red shift in fluorescence from the organic proligands, a blue shift of nearly 40 nm in the emission wavelength is observed for Pt(II) complexes with more extended bis(phenanthridinyl) ligand π-systems. Comparing the ground state and triplet excited state structures optimized from d. functional theory (DFT) and time-dependent-DFT calculations, we trace this effect to a greater rigidity of the benzannulated complexes, resulting in a higher energy emissive triplet state, rather than to a significant perturbation of orbital energies caused by π-extension. A counterintuitive impact of π-extension on luminescence from deep red emitting Pt(II) complexes of benzannulated, anionic pincer-type N^N-^N-coordinating amido ligands is reported. Contrary to conventional assumptions, isoenergetic lowest energy absorption bands and a red shift in fluorescence from the organic proligands, a blue shift in the emission wavelength is observed for Pt(II) complexes with more extended bis(phenanthridinyl) π-systems, traced to a greater rigidity of the benzannulated complexes and a higher energy triplet state.

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Related Products of 12080-32-9. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Heterobimetallic PtII-AgI complex supported by diphenyl(2-pyrimidyl)phosphine: Synthesis and thermochromic photoluminescence. Author is Artem’ev, Alexander V.; Rogovoy, Maxim I.; Samsonenko, Denis G.; Rakhmanova, Mariana I..

The reaction of diphenyl(2-pyrimidyl)phosphine (L) derived complex [Pt(L)2Cl2] with AgNO3 (1:3 M ratio, resp.) results in assembly of heterobimetallic complex [AgPt(L)2(NO3)3], wherein Pt → Ag dative bond of 2.9088(2) Å is formed. This complex features thermochromic photoluminescence that appears as ∼40 nm red shift of an emission maximum upon cooling from 300 to 77 K. The related PdII/AgI complex, [AgPd(L)2(NO3)3], showing Pd → Ag dative bond of 2.9098(5) Å, also was synthesized and structurally attested.

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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: 12080-32-9, is researched, Molecular C8H12Cl2Pt, about Photophysical Properties of Phosphorescent Mono- and Bimetallic Platinum(II) Complexes with C C* Cyclometalating NHC Ligands, the main research direction is imidazopyridinyl bimetallic platinum pyrazolate complex preparation electronic structure phosphorescence; crystal structure imidazopyridine bimetallic platinum pyrazolate complex; mol structure imidazopyridine bimetallic platinum pyrazolate complex; imidazopyridine cyclometalation platinum complex.Recommanded Product: 12080-32-9.

Due to their square-planar geometry, Pt(II) complexes demonstrate an extraordinary and unique photophys. behavior. The photophys. properties of monometallic Pt(II) complexes depend on the concentration, while in bimetallic Pt(II) complexes they depend on the distance between the metal centers. The authors reveal a correlation between the electronic and photophys. properties of monomeric monometallic Pt(II) complexes and their aggregates with the corresponding bimetallic complexes.

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COA of Formula: C8H12Cl2Pt. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about C-C* Platinum(II) Complexes with PtXPX Metallacycle Forming (X = N and S) Auxiliary Ligands: Synthesis, Crystal Structures, and Properties. Author is Stipurin, Sergej; Wurl, Felix; Strassner, Thomas.

The synthesis of cyclometalated NHC Pt(II) complexes with two types of P-containing ligands is reported. Different synthetic approaches were used for each compound class. Dithiophosphinate and iminophosphonamide ligands form four-membered PtXPX metallacycles with coordination by either S or N atoms (= X). The complexes are fully characterized, including two solid-state structures. Addnl., the photophys. and electrochem. properties were examined, and the results are rationalized by d. functional theory calculations

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Computed Properties of C8H12Cl2Pt. 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: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Multifunctional Pt(II)-Based Metallo-Supramolecular Polymer with Carboxylic Acid Groups: Electrochemical, Mechanochemical, Humidity, and pH Response. Author is Chakraborty, Chanchal; Rana, Utpal; Moriyama, Satoshi; Higuchi, Masayoshi.

We report multifunctional Pt(II)-based metallo-supramol. polymer with carboxylic acid groups (polyPtC). The polymer showed multi-stimuli-responsive emission to electrochem. redox, mech. force, humidity, and pH. It also exhibited humidity-responsive ionic conductivity Furthermore, it displayed electrofluorochromism. The emission switching between the two transition states (3MLCT/3LLCT and 3MMLCT) was based on the reversible changes of the interchain Pt-Pt interaction in polyPtC, which was caused by the secondary interaction or the crystalline-amorphous transition. The ionic conductivity of polyPtC was responsible for the humidity and the real-time humidity sensor with the polymer film was demonstrated on interdigitated Pt-electrodes. A solid-state electrochromic device with the polymer film was successfully fabricated to show reversible yellow-to-black electrochromism. In addition, it was revealed by the electrofluorochromic study that the pristine 3MLCT/3LLCT emission was quenched in the electrochem. reduced state (the black state), because the radical anion species of the ligand (tpy·-) generated at the neg. potential caused the repulsion among the polymer chains, expanded the Pt-Pt distance, and prevented the emission.

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Application of 12080-32-9. 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: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Stereochemical Effects on Platinum Acetylide Two-Photon Chromophores.

Cis-Pt(II) acetylide complexes containing 2-photon-absorbing chromophores were synthesized and characterized to explore the effects of stereochem. on the nonlinear absorption properties. The mols. feature 4-(phenylethynyl)phenylethynylene (PE2), diphenylaminofluorene (DPAF), and benzothiazolylfluorene (BTF) ligands. The photophys. properties were studied under 1- and 2-photon conditions and compared to the known trans analogs via UV-visible absorption, luminescence, femtosecond and nanosecond transient absorption (TA), nanosecond z-scan, and femtosecond 2-photon absorption (2PA). The bent cis complexes exhibit blue shifts in the absorption, emission, femtosecond, and nanosecond TA spectra along with lower molar absorptivities and lower phosphorescence yields relative to the trans complexes suggesting less efficient Pt-induced spin-orbit coupling and intersystem crossing in the cis configuration. The cis chromophores are noncentrosym. and therefore show dipolar behavior with a pronounced 2PA in the 0-0 transition of the S0 → S1 band, while the trans complexes show quadrupolar behavior with a forbidden 0-0 transition. In the S0 → Sn region, both cis and trans complexes show intense 2-photon-absorption bands (up to 3700 GM by the peak cross section for cis-BTF) which contain a significant contribution from the excited state absorption (S1 → Sn). All 6 complexes exhibit comparable nonlinear absorption response with a significant contribution from triplet-triplet absorption that slightly favors trans complexes but is more strongly dependent upon the structure of the π-conjugated chromophore. Crystallog. data are given.

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Quality Control of Dichloro(1,5-cyclooctadiene)platinum(II). 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: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Supramolecular polymerization of Pt(II) complex with terpyridine-based ligand possessing alanine moiety in nonpolar solvent. Author is Park, Jaehyeon; Hwang, Minkyeong; Ok, Mirae; Li, Chenxing; Choi, Heekyoung; Seo, Moo Lyong; Jung, Jong Hwa.

The authors report on the supramol. polymerization of Pt(II) complex with terpyridine-based ligand (1) possessing alanine moiety in nonpolar solvents, such as methylcyclohexane, n-hexane, chloroform, and dichloromethane. The supramol. polymer 1-Pt exhibited a strong orange emission as low as micromole concentration, which originated from the MLCT of 1-Pt in J-aggregation. The lifetime of supramol. polymer 1-Pt was 0.5-2.1μs in nonpolar solvents. The supramol. polymer 1-Pt showed a typical fiber structure using SEM observation. Besides, the supramol. polymer 1-Pt was generated by a cooperative pathway involving a nucleation-elongation mechanism.

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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: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ) is researched.Name: Dichloro(1,5-cyclooctadiene)platinum(II).Liu, Sumeng; Zhang, Zhejun; Abelson, John R.; Girolami, Gregory S. published the article 《Platinum ω-Alkenyl Compounds as Chemical Vapor Deposition Precursors. Mechanistic Studies of the Thermolysis of Pt[CH2CMe2CH2CH=CH2]2 in Solution and the Origin of Rapid Nucleation》 about this compound( cas:12080-32-9 ) in Organometallics. Keywords: platinum alkenyl compound deuterated preparation decomposition elimination kinetics. Let’s learn more about this compound (cas:12080-32-9).

Cis-bis(η1,η2-2,2-dimethylpent-4-en-1-yl)platinum, Pt[CH2CMe2CH2CH=CH2]2 (3), is a recently discovered CVD precursor for the deposition of highly smooth Pt thin films without nucleation delays on a variety of substrates. This paper describes detailed mechanistic studies of the pathway by which 3 reacts upon being heated in solution In various solvents between 90 and 130°, 3 decomposes to generate ~1 equiv of 4,4-dimethylpentenes by addition of a H atom to the pentenyl ligands in 3. The extra H atoms arise by dehydrogenation of other pentenyl ligands; some of these dehydrogenated ligands are released as Me-substituted methylenecyclobutanes and cyclobutenes. A combination of isotope labeling and kinetic studies suggests that 3 decomposes by C-H activation of both allylic and olefinic C-H bonds to give transient Pt hydride intermediates, followed by reductive elimination steps to form the pentene products, but that the exact mechanism is solvent-dependent. In C6F6, solvent association occurs before C-H bond activation, and the rate-determining step for thermolysis is most likely the formation of a Pt σ complex. In hydrocarbon solvents, the solvent is little involved before C-H bond activation, and the rate-determining step is most likely the formation of a Pt σ complex only for γ-C-H and ε-C-H bond activation, but cleavage or formation of a C-H bond for δ-C-H bond activation. A comparison of the thermolysis reactions under CVD conditions and in solution suggests that the high smoothness of the CVD-grown films is due in part to rapid nucleation (which is a consequence of the availability of low-barrier C=C bond dissociation pathways) and in part to the formation of C-containing species that passivate the Pt surface.

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