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Category: alcohols-buliding-blocks. 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 Stereoselectivity in spontaneous assembly of rolled incommensurate carbon bilayers. Author is Matsuno, Taisuke; Ohtomo, Yutaro; Someya, Maki; Isobe, Hiroyuki.

The periodicity of two-dimensional entities can be manipulated by their stacking assembly, and incommensurate stacks of bilayers are attracting considerable interest in materials science. Stereoisomerism in incommensurate bilayers was first noted with incommensurate double-wall carbon nanotubes composed of helical carbon networks, but the lack of structural information hampered the chem. understanding such as the stereoselectivity during bilayer formation. In this study, we construct a finite mol. version of incommensurate carbon bilayers by assembling two helical cylindrical mols. in solution An outer cylindrical mol. is designed to encapsulate a small-bore helical cylindrical mol., and the spontaneous assembly of coaxial complexes proceeds in a stereoselective manner in solution with a preference for heterohelical combinations over diastereomeric, homohelical combinations. The rational design of incommensurate bilayers for material applications may be facilitated by the design and development of mol. versions with discrete structures with at. precision.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Dichloro(1,5-cyclooctadiene)platinum(II)(SMILESS: C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-],cas:12080-32-9) is researched.Recommanded Product: 2-Bromo-6-methylphenol. The article 《Classics Meet Classics: Theoretical and Experimental Studies of Halogen Bonding in Adducts of Platinum(II) 1,5-Cyclooctadiene Halide Complexes with Diiodine, Iodoform, and 1,4-Diiodotetrafluorobenzene》 in relation to this compound, is published in Crystal Growth & Design. Let’s take a look at the latest research on this compound (cas:12080-32-9).

Complexes of PtX2COD (X = Cl, Br, I; COD = 1,5-cyclooctadiene) were cocrystd. with classical halogen-bond donors (CHI3, I2, and 1,4-diiodotetrafluorobenzene (FIB)), resulting in noncovalently bound supramol. aggregates of various lengths-from heterotrimers to polymers. The influence of halides in the complexes on the geometry and strength of the halogen bond (XB) was studied both exptl. by single-crystal XRD and theor. by quantum chem. methods such as noncovalent interaction plots (NCI-plot), electrostatic potential (ESP) surface anal., and a combination of electron localization function (ELF) and quantum theory of atoms in mols. (QTAIM) analyses. It was shown that strength of XB interactions in the adducts increases in the order CHI3 > FIB > I2. Although halogen bonding was found to be the main preorganizing force in the structures, in the case of FIB adducts a rare Pt···I interaction was involved in addnl. stabilization of the structure. Hence, fine-tuning of halogen bonding can influence the length of the polymer, as well as the strength and directionality of interactions in the adduct. Since Hassel’s already classical work on charge-transfer interactions, halogen bonding has attracted a great deal of attention as a potentially useful instrument to organize mols. Due to the tunability, relative strength, and directionality, halogen bonding has been used as a self-assembly tool in crystal engineering. In this study classics meet classics: classical halogen bond donors XBD (such as mol. iodine, iodoform, and FIB) and classical synthons PtX2COD were used to create metallopolymeric adducts. In the obtained systems the XBD influenced the geometry (1D or 2D) and the length (heterotrimer or polymer) of the adduct. To understand differences among the obtained systems, they were further studied with computational methods, and addnl. stabilizing weak interactions were discovered. Caution: COD is hazardous to health and should be handled with care.

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Recommanded Product: Dichloro(1,5-cyclooctadiene)platinum(II). Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Selective Synthesis of Conjugated Chiral Macrocycles: Sidewall Segments of (-)/(+)-(12,4) Carbon Nanotubes with Strong Circularly Polarized Luminescence. Author is Wang, Jinyi; Zhuang, Guilin; Chen, Muqing; Lu, Dapeng; Li, Zhe; Huang, Qiang; Jia, Hongxing; Cui, Shengsheng; Shao, Xiang; Yang, Shangfeng; Du, Pingwu.

C nanotubes (CNTs) have unusual phys. properties that are valuable for nanotechnol. and electronics, but the chem. synthesis of chirality- and diameter-specific CNTs and π-conjugated CNT segments is still a great challenge. Reported here are the selective syntheses, isolations, characterizations, and photophys. properties of 2 novel chiral conjugated macrocycles ([4]cyclo-2,6-anthracene; [4]CAn2,6), as (-)/(+)(12,4) C nanotube segments. These conjugated macrocyclic mols. were obtained using a bottom-up assembly approach and subsequent reductive elimination reaction. The hoop-shaped mols. can be directly viewed by a STM technique. Chiral enantiomers with (-)/(+) helicity of the [4]CAn2,6 were isolated by HPLC. The new tubular CNT segments exhibit large absorption and luminescence red shifts compared to the monomer unit. The C enantiomers also show strong circularly polarized luminescence (glum≈0.1). The results reported here expand the scope of materials design for bottom-up synthesis of chiral macrocycles and enrich existing knowledge of their optoelectronic properties.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Dichloro(1,5-cyclooctadiene)platinum(II)(SMILESS: C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-],cas:12080-32-9) is researched.Name: Ethyl 2-chloroacetoacetate. The article 《Chemoresponsive Shape-Memory Effect of Rhodium-Phosphine Coordination Polymer Networks》 in relation to this compound, is published in Chemistry of Materials. Let’s take a look at the latest research on this compound (cas:12080-32-9).

Chemoresponsive polymers are of technol. significance for smart sensors or systems capable of mol. recognition. An important key requirement for these applications is the material’s structural integrity after stimulation. We explored whether covalently crosslinked metal ion-phosphine coordination polymers (MPN) can be shaped into any temporary shape and are capable of recovering from this upon chemoresponsive exposure to triphenylphosphine (Ph3P) ligands, whereas the MPN provide structural integrity. Depending on the metal-ion concentration used during synthesis of the MPN, the degree of swelling of the coordination polymer networks could be adjusted. Once the MPN was immersed into Ph3P solution, the reversible ligand-exchange reaction between the metal ions and the free Ph3P in solution causes a decrease of the coordination crosslink d. in MPN again. The Ph3P-treated MPN was able to maintain its original shape, indicating a certain stability of shape even after stimulation. In this way, chemoresponsive control of the elastic properties (increase in volume and decrease of mech. strength) of the MPN was demonstrated. This remarkable behavior motivated us to explore whether the MPN are capable of a chemoresponsive shape-memory effect. In initial experiments, shape fixity of around 60% and shape recovery of almost 90% were achieved when the MPN was exposed to Ph3P in case of rhodium. Potential applications for chemoresponsive shape-memory systems could be shapable semiconductors, e.g., for lighting or catalysts, which provide catalytic activity on demand.

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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.Synthetic Route of C8H12Cl2Pt.Jankowska-Wajda, Magdalena; Bartlewicz, Olga; Walczak, Anna; Stefankiewicz, Artur R.; Maciejewski, Hieronim published the article 《Highly efficient hydrosilylation catalysts based on chloroplatinate “”ionic liquids””》 about this compound( cas:12080-32-9 ) in Journal of Catalysis. Keywords: hydrosilylation catalyst alkene chloroplatinate ionic liquid preparation green chem; crystal structure mol platinum chloro imidazolium pyridinium complex preparation. Let’s learn more about this compound (cas:12080-32-9).

The reaction between ionic liquid [Cat]+Cl- (where Cat stands for 1-butyl-3-methylimidazolium, 1-butyl-2,3-dimethylimidazolium or 1-butyl-4-methylpyridinium) and the metal precursor ([PtCl2(cod)], PtCl4, K2[PtCl4] or K2[PtCl6]) yielded two groups of derivatives: [Cat]+[PtCl4]- and [Cat]+[PtCl6]-, which formally are counted among halometallate ionic liquids, however, due to their high m.ps. they should be classified into anionic platinum complexes rather than into ionic liquids All the derivatives were isolated and characterized spectroscopically (NMR, ESI-MS) and crystallog. structures were determined for three derivatives: ([BMPy]2[PtCl4], [BMIM]2[PtCl6] and [BMMIM]2[PtCl6]). Moreover, their m.ps. were measured and thermal stability was assessed. The above derivatives were employed as catalysts for hydrosilylation of olefins with diverse properties. All the studied catalysts showed high activity and their insolubility in the reaction medium made easy their isolation and multiple use in subsequent catalytic runs. The most effective catalysts did not lose their activity even after ten runs, thereby they make a very good alternative to commonly used homogeneous catalysts. Their simple synthesis and stability make them interesting both for economic and ecol. reasons.

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Rogovoy, Maxim I.; Davydova, Maria P.; Bagryanskaya, Irina Yu.; Artem’ev, Alexander V. published the article 《Efficient one-pot synthesis of diphenyl(pyrazin-2-yl)phosphine and its AgI, AuI and PtII complexes》. Keywords: diphenyl pyrazinylphosphine preparation crystal mol structure silver gold platinum; crystal mol structure pyrazinylphosphine silver gold platinum complex.They researched the compound: Dichloro(1,5-cyclooctadiene)platinum(II)( cas:12080-32-9 ).Application of 12080-32-9. 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:12080-32-9) here.

A convenient one-pot synthesis of diphenyl(pyrazin-2-yl)phosphine has been developed based on reaction of Ph3P with metallic lithium followed by treatment of the Ph2PLi formed with 2-chloropyrazine. The AgI, AuI and PtII chloride complexes derived from this phosphine have been synthesized and structurally characterized.

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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 Synthesis and photophysical properties of butterfly-shaped dinuclear Pt(II) complex having NHC-based chelate ligands.

A butterfly-shaped dinuclear Pt(II) complex having pyridyl-NHC chelate ligands and bridging Me2pz ligands was synthesized. The crystal structure of the Pt2 complex showed short intramol. Pt···Pt distance (3.129 Å) and unique packing structure containing 1-dimensional infinite pore that was filled with solvent mols. The absorbance was proportional to the concentration of Pt2 complex and no significant bands appeared even in high concentration (up to 100 μM). The Pt2 complex showed bluish-green emission (λmax = 459 nm) in the solid state at 298 K (λex = 330 nm). TD-DFT calculation revealed that the lowest-energy absorption bands are mainly assigned to the combination of metal-to-ligand charge transfer (MLCT) and ligand-to-ligand charge transfer (LLCT) transitions.

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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, Organometallics called Bimetallic Platinum Group Complexes of a Macrocyclic Pyrazolate/NHC Hybrid Ligand, Author is Pickl, Thomas; Poethig, Alexander, which mentions a compound: 12080-32-9, SMILESS is C1=CCC/C=CCC/1.[Pt+2].[Cl-].[Cl-], Molecular C8H12Cl2Pt, HPLC of Formula: 12080-32-9.

Authors present the synthesis, structural characterization, and photophys. properties of dinuclear PdII and PtII-NHC complexes Pd2L(PF6)2 and Pt2L(PF6)2 based on a macrocyclic calix[4]imidazolylidene[2]pyrazolate ligand obtained by in situ deprotonation of the tetraimidazolium salt H6L(PF6)4. The PtII congener was also prepared by transmetalation from previously published AgI pillarplex Ag8L2(PF6)4. NMR spectroscopy (1H, 13C, 195Pt) combined with SC-XRD studies elucidated the structure of the PdII and PtII complexes in the solid state and in solution The d8 metal ions of both congeners are coordinated in a slightly distorted square-planar arrangement. Similar to the previously reported NiII complex Ni2L(PF6)2, the heavier metal homologues adopt a bent, saddle-shaped structure. As observed for structurally similar PtII complexes in solution, bimetallic Pt2L(PF6)2 showed photoluminescence in the blue region. In the solid state, emission was observed at a similar energy with unusually short lifetimes compared to other monometallic PtII complexes. DFT and TDDFT studies shed light on the nature of the most bathochromic transitions, suggesting a significant pyrazolate- and NHC-centered π-π* character.

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Category: alcohols-buliding-blocks. 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 Synthesis and metal complexes of a tertiary phosphine, 2-(2-(diphenylphosphaneyl)-1H-imidazol-1-yl)pyridine containing pyridyl and imidazole moieties. Author is Kumar, Saurabh; Balakrishna, Maravanji S..

A tertiary phosphine, [2-{PPh2C3H2N2}C5H4N] (2), containing both imidazole and pyridine moieties was synthesized by the reaction of 2-(1H-imidazol-1-yl)pyridine (1) with BuLi followed by the addition of PPh2Cl. Reactions of 2 with Group 6 metal carbonyls and Group 10 metal salts resulted in chelate complexes [{2-{PPh2C3H2N2}C5H4N}{M(CO)4}] (3, M = Mo; 4, M = W) and [{2-{PPh2C3H2N2}C5H4N}{MCl2}] (5, M = Pd; 6, M = Pt). However, 1:1 reactions of 2 with CuX (X = Cl, Br, I) yielded dinuclear complexes [{2-{PPh2C3H2N2}C5H4N}{CuX}]2 (7, X = Cl; 8, X = Br; 9, X = I) containing [Cu(μ-X)]2 rhombus units, whereas the reaction between 2 and [Cu(NCMe)4]BF4 produced a spirocyclic complex, [{2-{PPh2C3H2N2}C5H4N}2Cu]BF4 (10). The mol. structures of complexes 4, 6 and 8 were determined using x-ray diffraction studies. Upon coordination, the bite angle of the ligand varies from 78.76(6)° (4) to 96.16(2)° (8) due to inherent flexibility associated with the ligand framework as well as the geometries preferred by the metal atoms.

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Safety of Dichloro(1,5-cyclooctadiene)platinum(II). 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 A sterically congested 1,2-diphosphino-1′-boryl-ferrocene: synthesis, characterization and coordination to platinum. Author is Lerayer, Emmanuel; Renaut, Patrice; Roger, Julien; Pirio, Nadine; Cattey, Helene; Fleurat-Lessard, Paul; Boudjelel, Maxime; Massou, Stephane; Bouhadir, Ghenwa; Bourissou, Didier; Hierso, Jean-Cyrille.

A new class of tritopic ferrocene-based ambiphilic compounds has been prepared by assembling diphosphino- and boryl-substituted cyclopentadienides at iron. The presence of five sterically demanding substituents on the ferrocene platform induces conformational constraints, as is apparent from XRD and NMR data, but does not prevent the chelating coordination to platinum. The Lewis acid moiety is pendant in both the free ligand and the platinum complex.

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