Category: 12266-72-7

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: 12266-72-7, is researched, Molecular C8H12I2Pt, about An improved method for the synthesis of (2,2′:6′,2”-terpyridine)platinum(II) complexes, the main research direction is platinum terpyridine derivative picoline complex preparation.Application In Synthesis of Diiodo(1,5-cyclooctadiene)platinum(II).

(2,2′:6′,2”-Terpyridine)platinum(II) complexes are efficiently synthesized under mild conditions using dichloro- or diiodo-(cycloocta-1,5-diene)platinum(II). Using this method, Pt(1,5-COD)I2 is first treated with AgBF4 at room temperature, followed by 4′-substituted terpyridine (terpy) in acetonitrile, producing the intermediate [Pt(terpy)(MeCN)](BF4)2 complex. Acetonitrile is then displaced by 4-picoline, yielding [Pt(terpy)(γ-pic)](BF4)2 complexes which were characterized by elemental anal. and 1H NMR.

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Chloride – Wikipedia,
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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.Skauge, Andrew R. L.; Shalders, Richard D.; Swaddle, Thomas W. researched the compound: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ).Application of 12266-72-7.They published the article 《High-pressure methods as a tool in organometallic syntheses: facilitation of oxidative addition to platinum(II)》 about this compound( cas:12266-72-7 ) in Canadian Journal of Chemistry. Keywords: high pressure oxidative addition platinum; alkyl iodide oxidative addition platinum pressure; volume activation oxidative addition platinum. We’ll tell you more about this compound (cas:12266-72-7).

High-pressure (2 GPa) batch reactors now com. available may offer substantial accelerations of organometallic syntheses, without resort to heating, when the activation process is multicentered or involves the generation and solvation of ions. As an example of the latter class of reactions, the kinetics of the oxidative additions of Me and Et iodides (RI) to dimethyl(2,2′-bipyridine)platinum(II) in acetone were studied over the pressure range 0-200 MPa. The volumes of activation ΔV1⧧, if assumed to be constant over this range, are -11.7 ± 0.3 and -9.7 ± 0.7 cm3 mol-1, resp., implying an acceleration of ∼3000-fold for a batch synthesis of this sort at 2 GPa. However, a possible slight pressure dependence of ΔV1⧧ may reduce this acceleration to ∼1,000-fold. The ΔV1⧧ data and the 500-fold retardation on going from R = Me to R = Et are consistent with an SN2 attack of PtII on the α-C in the alkyl iodides, forming I- and [RMe2Pt(bpy)]+.

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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.Bergamini, Paola; Costa, Emiliana; Sostero, Silvana; Ganter, Christian; Hogg, John; Orpen, A. Guy; Pringle, Paul G. researched the compound: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ).Category: chlorides-buliding-blocks.They published the article 《The reactions of Me3SiCHN2 with [PtX2(S,S-skewphos)]: highly diastereoselective carbene insertions into platinum-chloride bonds, and Me3SiCHN2 as a CH2N2 equivalent》 about this compound( cas:12266-72-7 ) in Journal of Organometallic Chemistry. Keywords: carbene insertion diazomethyltrimethylsilane platinum halide diastereoselective; crystal structure trimethylsilylmethyl chloro platinum skewphos; mol structure trimethylsilylmethyl chloro platinum skewphos. We’ll tell you more about this compound (cas:12266-72-7).

[PtCl2(S,S-skewphos)], e.g., I (X = Cl), reacts with Me3SiCHN2 in dry CH2Cl2 to give I (X = S-CHClSiMe3) in high yield, but in the presence of water [Pt(CH2Cl)2(S,S-skewphos)] is formed. Treatment of I (X = S-CHClSiMe3) with NaI gives [PtI(CHISiMe3)(S,S-skewphos)] as a 1:1 mixture of diastereoisomers.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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, Journal of the Chemical Society [Section] A: Inorganic, Physical, Theoretical called Bridge-splitting reactions and far infrared spectra of diene derivatives of palladium(II) and platinum(II) complexes, Author is Crociani, Bruno; Uguagliati, Paolo; Boschi, Tristano; Belluco, Umberto, which mentions a compound: 12266-72-7, SMILESS is I[Pt]I.C1=CCC/C=CCC/1, Molecular C8H12I2Pt, Related Products of 12266-72-7.

Bridge-splitting reactions of complexes of the type [M(diene.OMe)X]2 (M = Pd(II), Pt(II); diene = cycloocta-1,5-diene, dicyclopentadiene; X = Cl, Br) by neutral ligands (L) having N or P as donor atoms are reported. For the products [M(diene.OMe)LX] two structures are possible, i.e., with L cis to the olefinic double bond (A) or trans to it (B). On the basis of far-ir, spectra, structure (A) has been attributed to [Pd(diene.OMe)(py)Cl] and [Pt(diene.-OMe)LX)] (L = pyridine and p-toluidine). Structure (B) has been attributed to [Pt(diene.OMe)(PPh3)X] and to the analogous Pd(II) complexes. From [M(diene.OMe)(py)Cl] the pyridine is displaced by another neutral ligand, whereas the chloride ion is displaced only by an anionic one. The far-ir spectra (500-60 cm.-1) of the dimers [M(diene.OMe)X]2 are reported and the metal-bridging halogen stretching frequencies are assigned on the basis of a Cipoint-group symmetry. The v(M-Clbridging) falls in the range 298-216 cm.-1, v(M-Brbridging 201-148 cm.-1, and v(M-Ibridging) 165-122 cm.-1

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Chloride – Wikipedia,
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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 Atropisomerization, C-H Activation, and Dissociative Substitution at Some Biphenyl Platinum(II) Complexes, published in 2004-05-26, which mentions a compound: 12266-72-7, Name is Diiodo(1,5-cyclooctadiene)platinum(II), Molecular C8H12I2Pt, Recommanded Product: 12266-72-7.

The reaction of 2,2′-dilithiumbiphenyl with cis-[PtCl2(SEt2)2] at -10° in Et2O not only leads to the main product [Pt2(μ-SEt2)2(bph)2], containing the planar 2,2′-biphenyl dianion (bph2-), but also forms a new dinuclear Pt(II) compound [Pt2(μ-SEt2)2(Hbph)4], 1a (Hbph- = η1-biphenyl monoanion), in which each metal is in a square-planar environment. NMR spectroscopy and mol. mechanics (MMFF) calculations were used to characterize 1a. Probably the favored conformation for the four Hbph biphenyl groups is αββα. In CHCl3 solution, 1a undergoes atropisomerization to 1b (αβαβ) (kis = 1.03 × 10-4 s-1, at 298 K) that subsequently cyclometalates (kobs = 4.48 × 10-6 s-1, at 298 K) to yield [Pt2(μ-SEt2)2(bph)2] and biphenyl. Both processes, atropisomerization and C-H activation, presumably involve preliminary thioether bridge splitting. The dinuclear complex 1a is a versatile and useful precursor to a variety of mononuclear η1-biphenyl Pt(II) complexes. By reaction with di-Et sulfide, DMSO, or with rigid dinitrogen containing ligands, such as 2,2′-bipyridine or 1,10-phenanthroline, complexes cis-[Pt(Hbph)2(DMSO)2] 3, cis-[Pt(Hbph)2(SEt2)2] 4, [Pt(Hbph)2(bpy)] 5, and [Pt(Hbph)2(phen)] 6 were obtained, resp. The crystal structures of compounds 5 and 6 were determined Only the head-to-tail isomer of these compounds was recognized in the solid state and in solution, where restricted rotation around the Pt-C bond prevents interconversion to the head-to-head form. A detailed kinetic study of ligand (DMSO) exchange and substitution (by 2,2′-bipyridine and 1,10-phenanthroline) was performed on complex 3 in CDCl3 and toluene-d8 by 1H NMR magnetization transfer experiments, and in toluene by UV/visible spectroscopy, resp. The rates of both processes show no dependence on ligand concentration, the rate of ligand substitution being in reasonable agreement with that of ligand exchange at the same temperature The kinetics were characterized by largely pos. entropies of activation. The results are consistent with a dissociative mode of activation analogous to the pattern already found for compounds with a similar [Pt(C,C)(S,S)] set of coordinating ligands. The role of ML3 d8 T-shaped 14-electron species, as elusive reaction intermediates or structurally characterized compounds, is discussed.

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Chloride – Wikipedia,
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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.Komiya, Sanshiro; Endo, Isao researched the compound: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ).Safety of Diiodo(1,5-cyclooctadiene)platinum(II).They published the article 《Alkyl transfer in the heterodinuclear organometallic complex. Preparation of organo(1,5-cyclooctadiene)platinum-tricarbonyl(cyclopentadienyl)tungsten》 about this compound( cas:12266-72-7 ) in Chemistry Letters. Keywords: alkyl transfer heterobimetallic tungsten platinum; methylation trans tungsten platinum heterobimetallic. We’ll tell you more about this compound (cas:12266-72-7).

Organo(1,5-cyclooctadiene)platinum-tricarbonyl(cyclopentadienyl)tungsten (I, R = Me, Et, Ph, o-MeC6H4) was prepared by reaction of organochloro(1,5-cyclooctadiene)platinum(II) with sodium tricarbonyl(cyclopentadienyl)tungstate(0). Me transfer from Pt to W smoothly takes place on thermolysis of I (R = Me) as well as by the reaction with Ph3P, CO, or maleic anhydride.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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.Petz, Wolfgang; Oxler, Florian; Neumueller, Bernhard researched the compound: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ).Recommanded Product: Diiodo(1,5-cyclooctadiene)platinum(II).They published the article 《The reaction of the betaine-like compound O2C2(PPh3)2 with [(cod)PtI2]; crystal structure of the salt (HC{PPh3}2)[(η3-C8H11)PtI2]》 about this compound( cas:12266-72-7 ) in Zeitschrift fuer Anorganische und Allgemeine Chemie. Keywords: platinum cyclooctadiene halide salt like carbodiphosphorane complex preparation; crystal structure platinum cyclooctadiene iodide carbodiphosphorane complex isomer preparation; mol structure platinum cyclooctadiene iodide carbodiphosphorane complex isomer. We’ll tell you more about this compound (cas:12266-72-7).

The reaction of the betaine-like compound O2C2(PPh3)2 (1) with [(cod)PtX2] in THF gives the salt-like compounds (HC{PPh3}2)[(η3-C8H11)PtX2] [X = iodo (3), Cl] in about quant. yields. The new η3-bonded C8H11 ligand is the result of a proton transfer from the coordinated cod ligand to 1 with subsequent release of CO2. The x-ray anal. of 3 shows 2 isomers in a 60:40 ratio, which differ in the bonding of the C8H11 ligand [triclinic, space group P1̅, a 1091.7(1), b 1141.5(1), c 1649.4(2) pm; α 80.34(1), β 83.62(1), γ 89.03(1)°, V 2013.7(4)·106 pm3, Z = 2].

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Category: chlorides-buliding-blocks. 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: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about P4 Activation with Pt0 Metal Centers: Selective Formation of a Dinuclear {Pt2(μ,η2:2-P2)} Complex. Author is Demange, Matthieu; Le Goff, Xavier-Frederic; Le Floch, Pascal; Mezailles, Nicolas.

The strong activation of white phosphorus by an unsaturated, electron-rich, Pt center is presented here. It resulted in the splitting of initial P4 mol. into polymeric red phosphorus and a formally P24- coordinated fragment. The mechanism of this transformation was calculated by DFT, which corroborated the exptl. facts. Most importantly, DFT calculations point out the high electron d. at the bridging P atoms in four high-energy orbitals. Preliminary reactivity results showed the accessibility of the P lone pairs, opening the way for further functionalization of the activated fragment.

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Chloride – Wikipedia,
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Product Details of 12266-72-7. 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: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Group 10 Transition-Metal Complexes of an Ambiphilic PSB-Ligand: Investigations into η3(BCC)-Triarylborane Coordination. Author is Emslie, David J. H.; Harrington, Laura E.; Jenkins, Hilary A.; Robertson, Craig M.; Britten, James F..

Reaction of 2,7-di-tert-butyl-5-diphenylboryl-4-diphenylphosphino-9,9-dimethylthioxanthene (TXPB) with [PdCl2(COD)] (COD = 1,5-cyclooctadiene) gave [PdCl(μ-Cl)(TXPB)] (3, 87% yield), which can be reduced in a stepwise fashion, forming [Pd(TXPB)] (2, 63%) via [{PdI(μ-Cl)(TXPB)}2] (4). Dinuclear 4 could also be prepared through a comproportionation reaction of Pd(II) complex [PdCl(μ-Cl)(TXPB)] (3) with either [Pd(TXPB)] (2) or [Pd(dba)(TXPB)] (5, dba = dibenzylideneacetone). In complexes 3 and 4, the TXPB ligand is bound to Pd via the phosphine and thioether donors, with a chloride anion bridging between the metal and the borane unit of TXPB. By contrast, the TXPB ligand in 2 is bound to Pd not only via the phosphine and thioether donors but also through a Pd-(η3-BAr3) linkage involving B and the ipso- and ortho-C atoms of one B-Ph ring. The analogous Ni complex, [Ni(TXPB)] (6, 70%) also proved accessible by direct reaction of [Ni(COD)2] with TXPB. In both 2 and 6, short distances (2.02-2.33 Å) between the metal and the B-Cipso-Cortho unit of TXPB and 11B NMR signals shifted 38-39 ppm to lower frequency of free TXPB confirm the presence of a strong M-{η3(BCC)-BAr3} interaction. Reaction of either [Pd2(dvds)3] (dvds = 1,3-divinyltetramethyldisiloxane) with TXPB or complex 2 with dvds resulted in rapid formation of [(κ1-TXPB)Pd(η2:η2-dvds)] (7). The Pt analog of complex 7, [(κ1-TXPB)Pt(η2:η2-dvds)] (8, 59%), was also prepared by reaction of [Pt(COD)2] with dvds, followed by TXPB. In both 7 and 8, the metal is trigonal planar as a result of η2:η2-coordination to dvds and bonding only to the phosphine group of TXPB. To assess the potential for a ligand with the same structural characteristics as TXPB to coordinate via three η1-interactions, the phosphine analog of TXPB; 2,7-di-tert-butyl-4,5-bis(diphenylphosphino)-9,9-dimethylthioxanthene (Thioxantphos) was prepared, and reaction with [PtX2(COD)] (X = Cl, I) resulted in the clean formation of [PtX(Thioxantphos)]X where X = Cl (9, 66%) and I (10, 72%). These complexes are square planar with the Thioxantphos ligand coordinated through three η1-interactions, confirming the steric accessibility of more traditional κ3-coordination in 4,5-disubstituted thioxanthene ligands such as Thioxantphos and TXPB.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Metal-olefin compounds. IV. The preparation and properties of some aryl and alkyl platinum(II)-olefin compounds》. Authors are Kistner, C. R.; Hutchinson, J. H.; Doyle, J. R.; Storlie, J. C..The article about the compound:Diiodo(1,5-cyclooctadiene)platinum(II)cas:12266-72-7,SMILESS:I[Pt]I.C1=CCC/C=CCC/1).HPLC of Formula: 12266-72-7. Through the article, more information about this compound (cas:12266-72-7) is conveyed.

cf. CA 56,503c. The reaction of alkyl or aryl Grignard reagents with platinum(II)-olefin compounds containing cyclic diolefins yields a series of products in which the halide groups initially present in the platinum(II)-olefin compounds are partially or completely replaced to give compounds of (olefin)PtR2 or (olefin)PtRI. The methods of preparation and some phys. properties of this series of compounds are reported. The chem. reactivity and spectral data are discussed, and possible structures are proposed.

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Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics