Category: 12080-32-9

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 The importance of intramolecular conductivity in three dimensional molecular solids, published in 2019, which mentions a compound: 12080-32-9, Name is Dichloro(1,5-cyclooctadiene)platinum(II), Molecular C8H12Cl2Pt, Formula: C8H12Cl2Pt.

Recent years have seen tremendous progress towards understanding the relation between the mol. structure and function of organic field effect transistors. The metrics for organic field effect transistors, which are characterized by mobility and the on/off ratio, are known to be enhanced when the intermol. interaction is strong and the intramol. reorganization energy is low. While these requirements are adequate when describing organic field effect transistors with simple and planar aromatic mol. components, they are insufficient for complex building blocks, which have the potential to localize a carrier on the mol. Here, we show that intramol. conductivity can play a role in controlling device characteristics of organic field effect transistors made with macrocycle building blocks. We use two isomeric macrocyclic semiconductors that consist of perylene diimides linked with bithiophenes and find that the trans-linked macrocycle has a higher mobility than the cis-based device. Through a combination of single mol. junction conductance measurements of the components of the macrocycles, control experiments with acyclic counterparts to the macrocycles, and analyses of each of the materials using spectroscopy, electrochem., and d. functional theory, we attribute the difference in electron mobility of the OFETs created with the two isomers to the difference in intramol. conductivity of the two macrocycles.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Photochemistry of 1,5-Cyclooctadiene Platinum Complexes for Photoassisted Chemical Vapor Deposition》. Authors are Liu, Hanwen; Brewer, Christopher R.; Walker, Amy V.; McElwee-White, Lisa.The article about the compound:Dichloro(1,5-cyclooctadiene)platinum(II)cas:12080-32-9,SMILESS:C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-]).Recommanded Product: Dichloro(1,5-cyclooctadiene)platinum(II). Through the article, more information about this compound (cas:12080-32-9) is conveyed.

Quantum yields for disappearance of (COD)PtMe2 (1a) and (COD)PtMeCl (1b) were determined at 334 nm in C6D6 solvent. Chain reactions initiated by formation of a Me radical were proposed to be the cause of quantum yields higher than unity (Φ = 5.52 ± 0.40 for 1a) when the reaction mixtures included C4F9I. The chain reactions were suppressed in the presence of the radical trap 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO), which resulted in measured disappearance quantum yields of Φ = 0.037 ± 0.003 for (COD)PtMe2 and Φ = 0.44 ± 0.02 for (COD)PtMeCl at 334 nm. Weak luminescence was observed for 1a and 1b, and it was determined that emissive decay is not competitive with Pt-CH3 bond homolysis. DFT studies enabled assignment of both SBLCT and MLCT transitions in the UV/vis spectra of 1a, while 1b only exhibits MLCT transitions. These effects can be attributed to the symmetry of the mol. and its electronic structure.

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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: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Photocytotoxic Pt(IV) complexes as prospective anticancer agents.COA of Formula: C8H12Cl2Pt.

The use of Pt(IV) complexes as potential anticancer drugs is attractive, because they have higher stability and less side effects than Pt(II) compounds Moreover, some Pt(IV) complexes can also be activated with light, opening an avenue to photochemotherapy. Our purpose is to widen the library of photoactivatable Pt(II)-based prodrugs and here we report on the oxidation of the Pt(II) compound [PtCl(4′-phenyl-2,2′:6′,2”-terpyridine)][CF3SO3] (1) with PhICl2 or H2O2. The synthetic procedure avoids the formation of multiple species: the treatment with PhICl2 produces the Pt(IV) complex with axial chlorides, [PtCl3(4′-phenyl-2,2′:6′,2”-terpyridine)][CF3SO3] (2), while H2O2 oxidation and post-synthesis carboxylation produce [Pt(OCOCH3)2Cl(4′-phenyl-2,2′:6′,2”-terpyridine)][CF3SO3] (3), bearing acetates in the axial positions. 2 and 3 are stable in physiol.-like buffers and in DMSO in the dark, but undergo photoreduction to 1 upon irradiation at 365 nm. Their stability toward reduction is a fundamental parameter to consider: cyclic voltammetry experiments show that the 2 electron reduction Pt(IV) → Pt(II) occurs at a more neg. potential for 3, because of the greater stabilization provided by the acetate axial groups; noteworthily, 3 is stable for hours also in the presence of mM concentration of glutathione. The cytotoxicity of 2 and 3 toward A2780 and A2780cis cell lines reveals that 3 is the least toxic in the dark, but is able to produce cytotoxic effects far higher than cisplatin when irradiated. To shed light on the mechanistic aspects, the interaction with protein and DNA models has been explored through high-resolution mass spectrometry revealing that 2 and 3 behave as prodrugs, but are able to bind to biol. targets only after irradiation

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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.Mastrocinque, Francesco; Anderson, Craig M.; Elkafas, Adel M.; Ballard, Isabel V.; Tanski, Joseph M. researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Safety of Dichloro(1,5-cyclooctadiene)platinum(II).They published the article 《Synthesis, characterization, and photophysical properties of cyclometalated N-Heterocyclic carbene Platinum(II) complexes》 about this compound( cas:12080-32-9 ) in Journal of Organometallic Chemistry. Keywords: platinum cyclometalated thienyl benzothienyl imidazolylidene benzimidazolylidene complex preparation photoluminescence; crystal structure platinum cyclometalated thienyl benzothienyl imidazolylidene benzimidazolylidene complex; mol structure platinum cyclometalated thienyl benzothienyl imidazolylidene benzimidazolylidene complex. We’ll tell you more about this compound (cas:12080-32-9).

Cyclometalated platinum complexes I (R = Me, 3-thienylmethyl; X1, X2 = H, benzo) were prepared by a two-step, one-pot procedure and characterized; the complexes showed photoluminescence at 450-550 nm. Thiophene and benzothiophene ligands containing N-heterocyclic carbene (NHC) moieties were used to synthesize five and six-membered Pt(II) metallacycles. Ligand scaffolding was synthesized using two methods. The ligands were synthesized using a coupling reaction, utilizing Cu2O as the catalyst or were synthesized using a nucleophilic substitution reaction. The ligands were then metalated by chelate-assisted C-H activation. The synthesis, characterization, reactivity, and photophys. properties of these NHC-functionalized, cyclometalated products are reported.

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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 Bright Luminescent Platinum(II)-Biaryl Emitters Synthesized Without Air-Sensitive Reagents, published in 2020-04-28, which mentions a compound: 12080-32-9, mainly applied to platinum biaryl emitter synthesis photoluminescence photophys property; ligand design; ligand effects; luminescence; metallacycles; photophysics; platinum, Recommanded Product: Dichloro(1,5-cyclooctadiene)platinum(II).

Transition-metal complexes bearing biaryl-2,2′-diyl ligands tend to show intense luminescence. However, difficulties in synthesis have prevented their further functionalization and practical applications. Herein, a series of platinum(II) complexes bearing biaryl-2,2′-diyl ligands, which have never been prepared in air, were synthesized through transmetalation and successive cyclometalation of biarylboronic acids. This approach does not require any air- or moisture-sensitive reagents and features a simple synthesis even in air. The resulting (Et4N)2[Pt(m,n-F2bph)(CN)2] (m,n-F2bph=m,n-difluorobiphenyl-2,2′-diyl) complexes exhibit intense green emissions with high quantum efficiencies of up to 0.80 at 298 K. The emission spectral fitting and variable-temperature emission lifetime measurements indicate that the high quantum efficiency was achieved because of the tight packing structure and strong σ-donating ability of bph.

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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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Synthetic Route of C8H12Cl2Pt. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about 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. Author is Liu, Sumeng; Zhang, Zhejun; Abelson, John R.; Girolami, Gregory S..

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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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.Lapierre, Etienne A.; Piers, Warren E.; Lin, Jian-Bin; Gendy, Chris researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Computed Properties of C8H12Cl2Pt.They published the article 《Synthesis and Structures of Stable PtII and PtIV Alkylidenes: Evidence for π-Bonding and Relativistic Stabilization》 about this compound( cas:12080-32-9 ) in Chemistry – A European Journal. Keywords: electrochem pi bonding platinum palladium alkylidene complex stabilization; crystal structure mol platinum palladium alkylidene complex preparation optimized; carbenes; palladium; pincer ligands; platinum; relativistic effects. We’ll tell you more about this compound (cas:12080-32-9).

Isolable cationic PtII and PtIV alkylidenes, proposed intermediates in catalytic organic transformations, are reported. The bonding in these species was probed by exptl., structural, spectroscopic, electrochem. and computational methods, providing direct evidence for π-bonding, the often-theorized relativistic stabilization of these species, and the influence of oxidation state.

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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 Roles played by carbene substituents during ligand transfer reactions between tungsten fischer carbene complexes and [Pt(COD)Cl2], published in 2021-12-01, which mentions a compound: 12080-32-9, mainly applied to tungsten Fischer carbene ligand transfer reaction platinum chloride; platinum biscarbene triscarbene carbene complex preparation crystal structure; mol structure platinum biscarbene triscarbene carbene complex, Formula: C8H12Cl2Pt.

Fischer carbene ligand transfer reactions from [W{C(X)(C6H4-4-R)}(CO)5] (X = OEt: a series; X = NMe2: b series), containing remote tertiary amino substituents R = R’2N at the Ph ring, to Pt(II) of [Pt(COD)Cl2] precursors, were studied. The number of carbene ligands transferred per Pt ion in these cases are determined by the electronic and steric properties of the heteroatoms of the carbene ligand. Thus, neutral bis(carbene) complexes, [Pt{C(X)(C6H4-4-R)}2Cl2], (R = H (1a); R = NR’2 and R’ = Me (2a), Ph (3a), or 4-BrC6H4 (4a)), are formed from the ethoxycarbene precursors (X = OEt), while cationic tris(carbene) complexes [Pt{C(X)(C6H4-4-R)}3Cl]+ Z-, (R = H (1b) and R = NR’2 and R’ = Me (2b), Ph (3b), or 4-BrC6H4 (4b)) were obtained from the aminocarbene precursors (X = NMe2), the latter with different counterions Z- = Cl-, [W(CO)5Cl]- or PF-6. Electro- and spectroelectrochem. studies indicate consecutive oxidations of the individual carbene ligands, but also a lack of electronic interactions across the (X)C:Pt:C(X) linkages.

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Application of 12080-32-9. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Understanding Doping Effects on Electronic Structures of Gold Superatoms: A Case Study of Diphosphine-Protected M@Au12 (M = Au, Pt, Ir). Author is Hirai, Haru; Takano, Shinjiro; Nakamura, Toshikazu; Tsukuda, Tatsuya.

Dopants into ligand-protected Au superatoms have been hitherto limited to group X-XII elements (Pt, Pd, Ag, Cu, Hg, and Cd). To expand the scope of the dopants to the group IX elements, the authors synthesized unprecedented [IrAu12(dppe)5Cl2]+ [IrAu12; dppe = 1,2-bis(diphenylphosphino)ethane] and [PtAu12(dppe)5Cl2]2+ (PtAu12) and compared their electronic structures with that of [Au13(dppe)5Cl2]3+ (Au13). Single-crystal x-ray diffractometry, 31P{1H} NMR, and Ir L3-edge extended X-ray absorption fine structure anal. of IrAu12 revealed that the single Ir atom is located at the center of the icosahedral IrAu12 core. Electrochem. anal. demonstrated that the energy levels of the highest occupied MOs are upshifted in the order of Au13 < PtAu12 < IrAu12. This trend was qual. explained in such a manner that the jellium core potential at the central position becomes shallower by replacing Au+ with Pt0 and further with Ir-. IrAu12 underwent reversible redox reactions between the charge states of 1+ and 2+. The gradual increase of the energy gap between the HOMO and LUMO in the order of Au13 < PtAu12 < IrAu12 was observed by electrochem. measurement and optical spectroscopy. This study provides a simple guiding principle to tune the electronic structures of heterometal-doped superatoms. The orbital energies of [IrAu12(dppe)5Cl2]+ (IrAu12) and [PtAu12(dppe)5Cl2]2+ (PtAu12) were compared with those of [Au13(dppe)5Cl2]3+ (Au13) by electrochem. anal. The superat. orbitals were shifted up in the order of IrAu12 > PtAu12 > Au13. The result was explained by the upshift of the bottom of the effective potential due to different formal charge states of the dopants. Whereas Au was incorporated as Au+, Ir and Pt were incorporated as Ir- and Pt0, resp.

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