Category: 1271-19-8

Related Products of 1271-19-8, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.1271-19-8, Name is Titanocenedichloride, molecular formula is C10Cl2Ti. In a article，once mentioned of 1271-19-8

A catalytic system for titanocene-catalyzed epoxide hydrosilylation is described. It features a straightforward preparation of titanocene hydrides that leads to a reaction with low catalyst loading, high yields, and high selectivity of radical reduction. The mechanism was studied by a suite of methods, including kinetic studies, EPR spectroscopy, and computational methods. An unusual resting state leads to the observation of an inverse rate order with respect to the epoxide.

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Related Products of 1271-19-8, In heterogeneous catalysis, the catalyst is in a different phase from the reactants. At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 1271-19-8, name is Titanocenedichloride. In an article，Which mentioned a new discovery about 1271-19-8

The reaction of Et2Zn with NaOCH2CH2OH yielded a bimetallic zinc complex NaOCH2CH2 · OZnEt. Its reactions with Ph3SnCl, Cp2TiCl2, and Cp2LuCl(THF) afforded the corresponding complexes Ph 3SnOCH2CH2OZnEt, Cp2Ti(OCH 2CH2OZnEt)2, and Cp2LuOCH 2CH2OZnEt. Cp2Ti(OCH2CH 2OZnEt)2 catalyzes copolymerization of CO2 with cyclohexene oxide at room temperature and atmospheric pressure; the yield of the polycarbonate is 4 g g-1 catalyst. Ph3SnOCH 2CH2OZnEt is catalytically inert under these conditions, and with Cp2LuOCH2CH2OZnEt only the polyether is formed. 2004 MAIK “Nauka/Interperiodica”.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.1271-19-8. In my other articles, you can also check out more blogs about 1271-19-8

Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels.In a patent， category: catalyst-ligand, Which mentioned a new discovery about 1271-19-8

The preparation of carbocyclic and heterocyclic compounds by the low-valent titanium species-promoted intramolecular reactions of thioacetals was studied. The cyclization of thioacetals having an olefin moiety proceeded With the loss of terminal olefin carbon to produce the corresponding five-, six-, and seven-membered cycloalkenes when they were treated with the low-valent titanium species Cp2Ti[P(OEt)3]2. This method has been successfully applied to the syntheses of cyclic unsaturated amines and ethers. When S-[3,3-bis(phenylthio)propyl] thioalkanoates were treated with the low-valent titanium species, the intramolecular carbonyl olefination Proceeded to produce 5-substituted 2,3-dihydrothiophenes. (C) 2000 Elsevier Science Ltd All rights reserved.

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

In homogeneous catalysis, the catalyst is in the same phase as the reactant. The number of collisions between reactants and catalyst is at a maximum.In a patent, 1271-19-8, name is Titanocenedichloride, introducing its new discovery. category: catalyst-ligand

Reaction of titanocene and zirconocene dichloride with ethyl pyruvate aroylhydrazone (viz., ethyl pyruvate picolinoylhydrazone (EPPHyH), ethyl pyruvate furanoylhydrazone (EPFHyH) and ethyl pyruvate thiophenylhydrazone (EPTPHyH) yield complexes of the type CP2M(L)nCl2-n (where M = Ti or Yr, n = 1 or 2 and L = ethyl pyruate aroylhydrazone anion). The complexeshave been characterized on the basis of elemental analyses, IR, PMR, (1 3)C NMR and electronic spectra. The magnetic susceptibility data indicate the complexes to be diamagnetic.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 1271-19-8 is helpful to your research. category: catalyst-ligand

Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 1271-19-8, molcular formula is C10Cl2Ti, introducing its new discovery. category: catalyst-ligand

The Fischer carbene complexes of chromium pentacarbonyl with one or two different metal-containing substituents were synthesized and studied in solution and in the solid state. The dimetallic complexes [Cr(CO) 5{C(OTiCp2Cl)(2-BT)}] (2) (BT = benzo[b]thienyl) and [Cr(CO)5{C(OEt)((eta6-2-BT)Cr(CO)3)}] (3) and trimetallic complexes [Cr(CO)5 {C(OTiCp2Cl)((eta6-2-BT) Cr(CO)3)}] (4) and [Cr(CO)5 [C(OTiCp2-Cl)Fc)] (5) (Fc = ferrocenyl) were prepared and systematically studied with respect to the reference complex [Cr(CO)5 [C(OEt)(2-BT)}] (1) for the importance of the metal substituents in influencing carbene ligand reactivity. It was clear from the crystal structure determination of 4 that most of the unoccupied space was found around the benzo[b]thienyl substituent. Hence, it was also possible to synthesize the analogous more crowded trimetallic carbene complex 5 containing an electron-donating ferrocenyl instead of the [Cr(eta6- 2-BT)(CO)3] substituent. Dilithiated ferrocene reacts with 2 equiv of chromium hexacarbonyl, which after alkylation with Et3OBF 4 affords the ferrocen-1,1?-diyl-bridged biscarbene [(Cr(CO)5)2(mu2-C2(OEt) 2Fe(C5H4)2-C,C?)}] (7), while metalation with TiCp2Cl2 resulted in the formation of the novel ferrocene-titanocene-bridged biscarbene complex [(Cr(CO)5) 2{mu2-C2(O2TiCp 2-O,O?)(Fe(C5H4)2-C,C?)} ] (6).

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Reference of 1271-19-8, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.1271-19-8, Name is Titanocenedichloride, molecular formula is C10Cl2Ti. In a Article，once mentioned of 1271-19-8

Treatment of cyclotrisilathiane (Me2SiS)3 with 3 equiv. of RLi (R = Me, But) in hexane-Et2O afforded the lithium silanethiolates LiSSiMe2R, and the tmeda adduct [(tmeda)LiSSiMe2But]2 1(tmeda = N,N,N?,N?-tetramethylethylenediamine) was isolated in the case of R = But. Reaction of Fe(CH3CN)2(CF 3SO3)2, CoCl2, and [Cu(CH 3CN)4](PF6) with 1 gave rise to the silanethiolato complexes M(SSiMe2But)2(tmeda) (M = Fe 2, Co 3), and [Cu(SSiMe2But)]4 4, respectively. Complexes (C5H5)2Ti(SSiMe 2R)2 (R = Me 5, But 6) and Ni(SSiMe 2R)2(dppe) [R = Me 7, But 8; dppe = 1,2-bis(diphenylphosphino)ethane] were prepared from treatments of (C 5H5)2TiCl2 and NiCl 2(dppe) with the corresponding lithium silanethiolates. Complex 7 readily reacted with (C5H5)TiCl3 to produce the Ti-Ni heterobimetallic compound (C5H5)TiCl(mu-S) 2Ni(dppe) 9, in which silicon-sulfur bond cleavage took place. Characterization of all compounds through spectroscopic techniques and elemental analyses are also described. X-Ray structural data for compounds 1 and 3-9 are reported.

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Application of 1271-19-8, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.1271-19-8, Name is Titanocenedichloride, molecular formula is C10Cl2Ti. In a Article，once mentioned of 1271-19-8

Reaction with an oxygen-donating reagent such as DMSO and thermolysis of a 1,3,2,4-dithiastannaboretane derivative bearing 2,4,6-tris[bis(trimethylsilyl)methyl]phenyl (Tbt) group led to the formation of novel boron-group 16 element double bond compounds, oxoborane (Tbt-B=O) and thioxoborane (Tbt-B=S). The oxoborane and thioxoborane underwent cycloaddition reactions to give the corresponding adducts in good yields.

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels.In a patent， COA of Formula: C10Cl2Ti, Which mentioned a new discovery about 1271-19-8

Organometallic pyrimidine derivatives of the type, RHg(U)(I), RHg(T)(II),(eta5 -C5H5)2MCl (U)(III) and (eta5 – C5H5)2MCl(T) (IV) [R =(o-,p-HOC6H4); M = Ti, Zr; UH = uracil; TH = thymine] have been synthesised. Conductance measurements reveal that the compounds are nonelectrolytes. From IR and UV spectral studies the bonding modes of the ligands to the metal ions have been deduced. 1H and 13C NMR spectral studies conform to the stoichiometry of the complexes.

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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Application of 1271-19-8, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 1271-19-8, Name is Titanocenedichloride, molecular formula is C10Cl2Ti. In a Article，once mentioned of 1271-19-8

Tame d0 phosphidotitanocene cations stabilized with a pendant tertiary phosphane arm are reported. These compounds were obtained by one-electron oxidation of d1 precursors with [Cp2Fe][BPh4]. The electronic structure of these compounds was studied experimentally (EPR, UV/Vis, and NMR spectroscopy, X-ray diffraction analysis) and through DFT calculations. The theoretical analysis of the bonding situation by using the electron localization function (ELF) shows the presence of pi-interactions between the phosphido ligand and Ti in the d0 complexes, whereas dpi?ppi repulsion prevents such interactions in the d1 complexes. In addition, CH?pi interactions were observed in several complexes, both in solution and in the solid state, between the phosphido ligand and the phosphane arm. The d0 complexes were found to be light sensitive, and decompose through Ti?P bond homolysis to give TiIII species. A naked d0 phosphidotitanocene cation has been trapped by reaction with diphenylacetylene, yielding a Ti/P frustrated Lewis pair (FLP), which was found to be less reactive than a previously reported Zr analog.

Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.Application of 1271-19-8, you can also check out more blogs about1271-19-8

Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 1271-19-8, molcular formula is C10Cl2Ti, introducing its new discovery. SDS of cas: 1271-19-8

Alkynyltitanocene Chlorides, Dialkynyltitanocene Derivatives. (nu5-C2H5)2TiCl2 (1a) reacts with one equivalent of Li-C<*>C-Si(CH3)3 to yield the mono alkynyl-substituted titanocene complex (nu5-C2H5)2Ti(Cl)(C<*>-Si(CH3)3) (2).The reaction of 2 with another equivalent of Li-C<*>C-SI(CH3)3 gives disubstituted compound (nu5-C2H5)2Ti(C<*>C-Si(CH3)3)2 (3f).In general, complexes of the (nu-C5H4R)2Ti(C<*>C-R’)2 (R = H, CH3, Si(CH3)3; R’ = C6H5, C2H5, nC3H7, nC4H9, ‘C4H9, Si(CH3)3), 3-5, can be prepared by the reaction of (nu5-C5H4R)2TiCl2 (1) and two moles of E-C<*>C-R'(E = BrMg, Na, Li; R, R’ = see above) to give the compounds 3-5 in yields of up to 95percent.The reaction of 2-5 with X2 or HX yields the appropriate compounds (nu5-C5H4R)2TiX2 (X = F, Cl, Br) and H-C<*>C-R’ or X-C<*>C-R’.

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI