Tag: M.W=500-600

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: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Heteroleptic platinum(II) complexes of macrocyclic thioethers and halides: the crystal structures of [Pt(9S3)Cl2], [Pt(9S3)Br2], and [Pt(9S3)I2].Formula: C8H12I2Pt.

The synthesis, spectroscopic, and crystal structures of three heteroleptic thioether/halide Pt(II) complexes [Pt(9S3)X2] (9S3 = 1,4,7-trithiacyclononane, X = Cl-, Br-, I-) are presented. All three 9S3/dihalo complexes form very similar structures in which the Pt(II) center is surrounded by a cis arrangement of two halides and two S atoms from the 9S3 ligand. The third S from the 9S3 forms a long distance interaction with the Pt center resulting in an elongated square pyramidal structure with a S2X2+S1 coordination geometry. The distances between the Pt(II) center and axial S shorten with larger halide ions (Cl- = 3.260(3) Å > Br- = 3.243(2) Å > I- = 3.207(2) Å). These distances are consistent with the halides functioning as π donor ligands, and their Pt-S axial distances fall intermediate between Pt(II) thioether complexes involving π acceptor and σ donor ligands. The 195Pt NMR chem. shift values follow a similar trend with an increased shielding of the Pt ion with larger halide ions. The 9S3 ligand is fluxional in all of these complexes, producing a single carbon resonance in the 13C NMR spectra. Addnl., a related series of homoleptic crown thioether complexes were studied using 195Pt NMR, and there is a strong correlation between the chem. shift and complex structure. Homoleptic crown thioethers show the anticipated upfield chem. shifts with increasing number of coordinated sulfurs. Complexes containing four coordinated S donors have chem. shifts that fall at -4000 to -4800 ppm while a value near -5900 ppm is indicative of five coordinated sulfurs. However, for S4 crown thioether complexes, differences in the stereochem. orientation of lone pair electrons on the S donors can greatly influence the observed 195Pt NMR chem. shifts, often by several hundred ppm.

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Reference:
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, Article, Dalton Transactions called Thin film formation of platinum nanoparticles at oil-water interface, using organoplatinum(II) complexes, suitable for electro-oxidation of methanol, Author is Hoseini, S. Jafar; Mousavi, Neda; Roushani, Mahmoud; Mosaddeghi, Leila; Bahrami, Mehrangiz; Rashidi, Mehdi, which mentions a compound: 12266-72-7, SMILESS is I[Pt]I.C1=CCC/C=CCC/1, Molecular C8H12I2Pt, Quality Control of Diiodo(1,5-cyclooctadiene)platinum(II).

A simple and effective strategy is presented to integrate individual Pt nanoparticles (NPs) into macroscopic thin films based on the reduction of organoplatinum(II) complexes [PtCl2(cod)] 1a, [PtI2(cod)] 1b (cod = 1,5-cyclooctadiene) and cis-[Pt(p-MeC6H4)2(SMe2)2] 2, at the toluene-H2O interface in the absence of stabilizer. Structure and morphol. of the Pt NPs were characterized with XRD, TEM, and SAED. Finally, Pt thin films were deposited on glassy C electrode and their electrooxidation was studied in the MeOH oxidation reaction. Pt NPs thin films showed highly improved electrocatalytic activity toward MeOH oxidation as compared with com. Pt catalysts. The present method provides a facile and low-cost strategy toward the synthesis of different electrocatalysts of noble metals for application in fuel cells.

The article 《Thin film formation of platinum nanoparticles at oil-water interface, using organoplatinum(II) complexes, suitable for electro-oxidation of methanol》 also mentions many details about this compound(12266-72-7)Quality Control of Diiodo(1,5-cyclooctadiene)platinum(II), you can pay attention to it or contacet with the author([email protected]) to get more information.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Thermolysis mechanism of symmetrical and unsymmetrical dialkylplatinum(II) complexes with tertiary phosphine ligands. Controlling factors for β-elimination, the main research direction is thermolysis dialkylplatinum phosphine complex; platinum dialkyl elimination reaction.Related Products of 12266-72-7.

A series of sym. and unsym. cis-dialkylplatinum(II) complexes with tertiary phosphine ligands, cis-RR1PtL2 [I; R, R1 = Me, Et, Pr, Me2CH, Me2CHCH2, n-pentyl, PhCH2CH2, p-MeOC6H6CH2CH2; L2 = (PPh3)2, (PPhMe2)2, Ph2PCH2CH2PPh2] were prepared by reaction of RPtL2Cl with alkylating reagents such as R1Li and R1MgX. Thermolysis of I gives only the disproportionation products of the 2 alkyl groups via β-elimination. A kinetic study of the thermolysis reveals the existence of a nondissociative path in addition to a dissociative one. In the presence of excess PPh3 thermolysis proceeds mainly via a nondissociative path in which olefin liberation after facile reversible β-elimination is probably rate-determining In thermolysis of the unsym. I in the absence of excess PPh3, the relative rate of β-elimination of R to that of R1 is proportional to the ratio of the number of β-H atoms in R to that in R1.

The article 《Thermolysis mechanism of symmetrical and unsymmetrical dialkylplatinum(II) complexes with tertiary phosphine ligands. Controlling factors for β-elimination》 also mentions many details about this compound(12266-72-7)Related Products of 12266-72-7, you can pay attention to it, because details determine success or failure

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Chlorides – an overview | ScienceDirect Topics

COA of Formula: C8H12I2Pt. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Reversible transformation of 10-P-3 ADPO to an 8-P-3 ADPO·PtI2 adduct. Author is Arduengo, Anthony J. III; Stewart, Constantine A.; Davidson, Fredric.

The synthesis and characterization of I, derived from 10-P-3 ADPO, is described. Multinuclear NMR spectra reveal an electronic and geometric reorganization of the ADPO ring system from planar in the uncomplexed ligand to bent in the metal-ADPO complex.

After consulting a lot of data, we found that this compound(12266-72-7)COA of Formula: C8H12I2Pt can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Application In Synthesis of Diiodo(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: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Formation of metallamacrocycles from palladium(II), platinum(II) and copper(I) complexes and the ditopic ligands [{p-(Ph2PO)C6H4}2CMe2], [{2-Ph2PO-3,5-(Me3C)2C6H2}2S], [{p-[(C10H6O)2PO]C6H4}2CMe2]. Author is Arena, Carmela Grazia; Drommi, Dario; Faraone, Felice; Graiff, Claudia; Tiripicchio, Antonio.

The new ligands bis(phosphinito) [{2-Ph2PO-3,5-(Me3C)2C6H2}2S] (4) and chiral bis(phosphite) [{p-[(C10H6O)2PO]C6H4}2CMe2] (5) were synthesized and their reactions with Pd(II), Pt(II), Cu(I) substrates were studied. [{P-(Ph2PO)C6H4}2CMe2] (3), previously reported by the authors, was also used in the same reactions. Ligands 3 and 5 formed 28-membered metallamacrocycles while ligand 4 afforded the analogous compound only in the reaction with the Cu(I) substrate. In the reaction of 3 with [Pd(PhCN)2Cl2] the metallamacrocycle [PdCl2(μ-3)]2 (6) or the oligomer [Pd2Cl4(μ-3)]n (7) were formed, depending on the molar ratio used. The reaction of 3 with [Pd(η3-C3H5)Cl]2 afforded {[Pd(η3-C3H5)Cl]2(μ-3)} (8). The allylpalladium macrocycle [Pd(η3-C3H5)(μ-3)]2[OTf]2 (9) was obtained by treating a solution of 8 in THF with AgCF3SO3. The reactions of 3 with [Pt(COD)I2] or [Cu(NCCH3)4]BF4 gave metallamacrocycles [PtI2(μ-3)]2 (10) and [Cu2(μ-3)2][BF4]2·2MeCN (11), resp. The structure of 10 was also elucidated by x-ray anal. Reactions of 4 with Pd(II) and Pt(II) complexes afforded a mixture of two very different compounds in almost an equimolar ratio. An x-ray anal. established that one is a mononuclear compound, formed by modification of the ligand 4, containing a P,S-chelate, [PdCl2{[2-Ph2PO-3,5(Me3C)2C6H2][3,5-(Me3C)2C6H2OH]S}] (12). The reaction between [Cu(NCCH3)4]BF4 and 4 afforded the ionic metallamacrocycle [Cu(μ-4)][BF4]2·2MeCN (14). In compound 10, the size of the central cavity formed by the bridging ligand 3 was determined

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Reference:
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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 《Preparation and properties of hydroxo(methyl)-1,2-bis(diphenylphosphino)ethaneplatinum(II). A trans-influence series including σ carbon donor ligands based on platinum-phosphorus coupling constants》. Authors are Appleton, T. G.; Bennett, M. A..The article about the compound:Diiodo(1,5-cyclooctadiene)platinum(II)cas:12266-72-7,SMILESS:I[Pt]I.C1=CCC/C=CCC/1).Formula: C8H12I2Pt. Through the article, more information about this compound (cas:12266-72-7) is conveyed.

Monomeric Pt(OH)(Me)(dppe) (I; dppe = 1,2-bis(diphenylphosphino)ethane) is obtained from PtCl(Me)(dppe) by treatment of the derived labile cation [Pt(MeOH)(Me)(dppe)]+ with aqueous methanolic NaOH. I undergoes anation with a variety of acids, including fairly weak acids such as Me2CO and MeCN, and provides a convenient route to unsym. bis(alkyls) of Pt(II), e.g., Pt(CH2COMe)(Me)(dppe) and Pt(CH2CN)(Me)(dppe). The values of JPtPtrans to X or L derived from the 31P{1H} NMR spectra of PtXR(dppe) (X = various anionic ligands and R = Me or 1-cyclohexenyl), [Pt(Me)L(dppe)]+ (L = various neutral ligands), and sundry other neutral complexes of the type PtXY(dppe), permit the establishment of a trans-influence series which includes OH- and a variety of σ C donors. The OH- has a trans influence comparable with those of typical S donors and higher than those of NO3- and CH3CO2-. The generally high trans influence of σ C donors is lowered by the presence of conjugated electron-withdrawing groups on the ligating C atom. Tricyanomethide, C(CN)3-, binds through N rather than C, and C-bonded triacetylmethyl, C(COCH3)3-, is only slightly higher than Cl- in the trans-influence series, whereas the trans influence of CF3- is high and only slightly less than that of CH3-. In contrast, the Pt-Cl bond length and stretching frequency data indicate the trans influence of CF3- to be considerably lower than that of CH3-. The discrepancy is thought to arise because of the JPtPvalues primarily reflect changes in hybridization, whereas the Pt-Cl bond parameters are also sensitive to electrostatic effects induced by the electroneg. F atoms.

After consulting a lot of data, we found that this compound(12266-72-7)Formula: C8H12I2Pt can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Diiodo(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12I2Pt, CAS is 12266-72-7, about Synthesis of 2,6-bis(dicyclohexylphosphinomethyl)phenyl platinum(II) complexes (2,6-(Cy2PCH2)2C6H3)PtX (X = Cl, I, OTf), the main research direction is phosphinomethylphenyl platinum halide complex preparation.Related Products of 12266-72-7.

Reaction of 1,3-(Cy2PCH2)2C6H4 with (COD)PtX2 (X = I, Cl) in mesitylene in the presence of pyridine gave title compounds, (2,6-bis(Cy2PCH2)2C6H3)PtX (I); reaction of I (X = I) with AgOTf in THF/CH2Cl2 gave I (X = OTf).

After consulting a lot of data, we found that this compound(12266-72-7)Related Products of 12266-72-7 can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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 Preparation, characterization, and properties of platinum(0) complexes with tri-n-butyl phosphite, tri-n-butylarsine, and tri-n-butylstibine, published in 1985-08-28, which mentions a compound: 12266-72-7, mainly applied to platinum phosphite phosphine arsine stibine; fluorophenyl platinum hydrido phosphite, Electric Literature of C8H12I2Pt.

31P, 195Pt and 13C NMR spectroscopy was used to characterize the products of the reaction of [Pt(cod)2] (cod = 1,5-cyclooctadiene) and n equivalent of a ligand L (n = 4, L = P(OBu)3, AsBu3 and SbBu3; n = 2 and 3, L = P(OBu)3. When n = 4, a single isolable [PtL4] is formed which is kinetically inert in solution at room temperature For n = 3 and L = P(OBu)3, and mixture of [PtL3] and [PtL4] is formed and when n = 2 and L = P(OBu)3, both [PtL4] and [PtL3] are present, together with a new species arising from solvent interaction. Evidence is presented which suggests that this new compound is [Pt(η2-L1)L2] and (L1 = olefin) and exist 3 isomeric forms. Very slow dynamic behavior of this compound is observed in solution at low temperatures, but on heating a change of isomeric ratios occurs. [PtL3] (L = P(OBu)3) reacts with the C-H bond in C6F5H to yield trans-[PtH(C6F5)L2] an unstable derivative observed only in solution

After consulting a lot of data, we found that this compound(12266-72-7)Electric Literature of C8H12I2Pt can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
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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 Supramolecular Recognition. Terpyridyl Palladium and Platinum Molecular Clefts and Their Association with Planar Platinum Complexes, published in 2003-01-15, which mentions a compound: 12266-72-7, mainly applied to platinum cofacially linked terpyridyl complex preparation association platinum complex; palladium cofacially linked terpyridyl complex association platinum complex; formation constant platinum palladium cofacially linked terpyridyl platinum complex; crystal structure platinum cofacially linked terpyridyl complex platinum hydroxyphenyliminomethylphenolato, Recommanded Product: Diiodo(1,5-cyclooctadiene)platinum(II).

Mol. receptors, consisting of either two parallel cofacially disposed terpyridyl-Pd-Cl+ or terpyridyl-Pt-Cl+ units, are described. Concerted rotation of these units about the mol. spacer can alter their separation between 6.4 and 7.2 Å to accommodate the dimensions of mol. guests. Neutral and anionic planar complexes of Pt(II) were studied as guests to determine if metal-metal interaction between the host and guest metals could stabilize host-guest association With a neutral guest, host-guest formation is signaled by a color change from light yellow to deep red. For one of the anionic guests, a visible absorption band appears upon host-guest formation with the Pt receptor that is ascribed to transitions associated with a Pt-Pt interaction. The association constants found for the neutral guest with the Pd and Pt receptors are large, suggesting that metal-metal interaction contributes to the mol. recognition. The structures of the host-(neutral)guest complexes in solution were determined by 1H NOESY spectra. A crystal structure of the Pt host-(neutral)guest complex is the same as that found in solution and confirms the presence of a Pt-Pt interaction. Temperature-dependent 195Pt NMR spectra in solution provide a quant. estimate of the conformational interconversions of the free Pt receptor.

Although many compounds look similar to this compound(12266-72-7)Recommanded Product: Diiodo(1,5-cyclooctadiene)platinum(II), numerous studies have shown that this compound(SMILES:I[Pt]I.C1=CCC/C=CCC/1), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Diiodo(1,5-cyclooctadiene)platinum(II)( cas:12266-72-7 ) is researched.Computed Properties of C8H12I2Pt.Li, Dacheng; Liu, Daojie published the article 《Crystal structure of [Pt2I4(TEPOP)2] (TEPOP = tetraethyl diphosphite)》 about this compound( cas:12266-72-7 ) in Analytical Sciences. Keywords: platinum iodo ethyl diphosphite preparation crystal structure; mol structure platinum iodo ethyl diphosphite. Let’s learn more about this compound (cas:12266-72-7).

The dinuclear title compound is monoclinic, space group C2/c, with a 18.3613(19), b 11.3925(12), c 17.8160(18) Å, β 107.789(2)°; Z = 4, dc = 2.647; R = 0.0474, Rw = 0.1287. The two Pt atoms are doubly bridged by two (EtO)2POP(OEt)2 ligands and constitute an eight-membered ring. The Pt atoms have a square-planar geometry, which are completed by two phosphorous and two I atoms in a mutually cis arrangement.

Although many compounds look similar to this compound(12266-72-7)Computed Properties of C8H12I2Pt, numerous studies have shown that this compound(SMILES:I[Pt]I.C1=CCC/C=CCC/1), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics