Category: 14799-93-0

Marciniec, B. published the artcileCatalysis of hydrosilylation. Part XVIII. Pt(PPh₃)₂(CH₂:CH₂) – a versatile catalyst for hydrosilylation of olefins, Synthetic Route of 14799-93-0, the publication is Applied Organometallic Chemistry (1990), 4(1), 27-34, database is CAplus.

Pt(PPh₃)₂(CH₂:CH₂) appeared to be a versatile catalyst in hydrosilylation of alkenes (with 5-22 C atoms) as well as of functionalized alkenes such as allyl chloride, allylamine, allyl methacrylate and vinylsilanes. In comparison with a well-known Speier catalyst or with Pt(PPh₃)₄, this complex is characterized by a very high effectiveness (activity and selectivity) and relative resistance to oxygenation and it may be applied in recycling runs with a minor induction period. The catalytic processes examined are of great industrial importance since they lead to a synthesis of alkylsilanes, disilylethanes and silane coupling agents.

Applied Organometallic Chemistry published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, Synthetic Route of 14799-93-0.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Ligor, Tomasz published the artcileSorbents for trapping organic pollutants from air, Recommanded Product: Dichloro(methyl)(octyl)silane, the publication is International Journal of Occupational Safety and Ergonomics (1998), 4(2), 153-167, database is CAplus and MEDLINE.

A series of siliceous adsorbents with chem. bonded phases (CBP) of different polarity were tested as sorbents for trapping air pollutants (petroleum ether) using controlled setup. Moreover, special attention was paid to the potential role of metal impurities as strong adsorption sites. Sorbents were characterized by various physico-chem. methods, such as porosimetry, inductively coupled plasma (ICP) anal., elemental anal., derivatog., and gas chromatog. Trapping tubes were utilized for sorption of toxic pollutants from indoor air: VOCs air anal. adsorbents surface characterization gas chromatog.

International Journal of Occupational Safety and Ergonomics published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, Recommanded Product: Dichloro(methyl)(octyl)silane.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Akapo, S. O. published the artcileEffect of carbon load on the chromatographic performance of n-octylsilyl reversed phases in liquid chromatography, Application of Dichloro(methyl)(octyl)silane, the publication is Analytical Proceedings (1989), 26(2), 61-4, database is CAplus.

The effect of exhaustive silanization of silica gel stationary phases for reversed-phase HPLC on the phys. and chromatog. properties of these stationary phases was studied. Under controlled conditions phases of different C load can be produced, especially with the fluidized bed technique, without varying the chain length of the bonded ligand. The phases were evaluated by using standard mixtures of aromatic hydrocarbons and homologous n-alkyl benzoates.

Analytical Proceedings published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, Application of Dichloro(methyl)(octyl)silane.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Akapo, S. O. published the artcileChromatographic evaluation of oligomeric C₈ reversed phases for use in high-performance liquid chromatography, Formula: C9H20Cl2Si, the publication is Journal of Chromatography (1989), 283-96, database is CAplus.

Stepwise silanization of porous silica gel with n-octylmethyldichlorosilane and subsequent hydrolysis of the unreacted chlorine atoms produce a dense-layered C₈ chem. bonded stationary phase. Increase in carbon load results in decrease in sp. surface area and pore volume of the starting silica material. Chromatog. properties obtained for aromatic hydrocarbons and alkyl benzoates under isocratic conditions were correlated with carbon content of the stationary phases. At high carbon content (>11%) both capacity factor and separation factor are independent of carbon load.

Journal of Chromatography published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, Formula: C9H20Cl2Si.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Nesmeyanov, A. N. published the artcileThermal telomerization of methyldichlorosilane with olefins, Recommanded Product: Dichloro(methyl)(octyl)silane, the publication is Doklady Akademii Nauk SSSR (1957), 271-2, database is CAplus.

Heating 123 g. MeSiHCl₂ 2 hrs. in a steel autoclave with C₂H₄ to 260° and a final pressure of 560 atm. gave 80% conversion to telomerization products MeSiCl₂(CH₂CH₂)_nH, with n = 1-6, as follows (n, % yield, b.p., n_D²⁰, and d₂₀ shown): 1, 23.6, b. 100°, -, -; 2, 25.6, b. 147-8°, 1.4312, 1.0427; 3, 17.7, b₃₂ 91°, 1.4390, 0.9931; 4, 13.4, b₆ 94° 1.4440, 0.9761; 5, 4.7, b₃ 111-14°, 1.4490, 0.9600; 6, 3.8, b₃ 124-7°, 1.4532, 0.9552. About 8.5% undescribed higher telomers were also formed. A similar reaction of MeSiHCl₂ and C₃H₆ was run 3 hrs. at 260-75° and 100 atm. maximum pressure yielded from 151 g. MeSiHCl₂, 216 g. products giving MeSiCl₂(C₃H₆)_nH (n shown) as follows: 1, 49, b. 123-4°, 1.4240, -; 2, 26.2, b₃₂ 82°, 1.4400, -; 3, 3.9, b₂ 80-2°, 1.4540, -; 10% undescribed higher telomers.

Doklady Akademii Nauk SSSR published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, Recommanded Product: Dichloro(methyl)(octyl)silane.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Nesmeyanov, A. N. published the artcileThermal telomerization of silanes with olefins, Related Products of chlorides-buliding-blocks, the publication is Tetrahedron (1957), 248-52, database is CAplus.

Thermal telomerization of MeSiHCl₂ (I) with C₂H₄ at 260-75°/560 atm. was effected in a 500 cc. stainless steel autoclave. I (123 g.) in an N atm. was mixed with C₂H₄, the autoclave heated to 260°/500 atm., and the mixture maintained 2 hrs. at 260-70° with the pressure falling to 50 atm. The collected products (499 g.) from 3 runs (381 g. I) were fractionated to give 51 g. I and the tabulated pure MeSiCl₂(C₂H₄)_nH products (n, % yield, n²⁰_D, d₂₀, MR, b.p., given): 1, 23.6, -, -, -, 100°; 2, 25.6, 1.4312, 1.0427, 43.48, 147-8°; 3, 17.7, 1.4390, 0.9931, 52.75, 91°/32 mm.; 4, 13.4, 1.4440, 0.9761, 61.83, 94°/6 mm.; 5, 4.7, 1.4490, 0.9600, 71.32, 111-14°/3 mm.; 6, 3.8, 1.4532, 0.9552, 80.20, 124-7/3 mm.; above 6, 8.5, -, -, -, -. The reaction with SiCl₃H (II) was carried out 2 hrs. at 270-85° at maximum pressure 200 atm. in 4 runs (261 g. II) and yielded 353 g. product, distilled over a 15 plate column to give 10 g. II and pure alkyltrichlorosilanes, SiCl₃(C₂H₄)_nH (n, % yield, n²⁰_D, d₂₀, MR, and b.p. recorded): 1, 20.1, -, -, -, 98°; 2, 25.3, 1.4352, 1.1577, 43.19, 146-7°; 3, 15.4, 1.4440, 1.1094, 52.51, 87-9°/30; 4, 13.1, 1.4490, 1.0744, 61.76, 96.5°/10; 5, 4.0, 1.4547, 1.0501, 71.17, 76°/2; above 5, 12.2,-,-,- -. The structures of the methylalkyldichloro- and alkyltrichlorosilanes were substantiated by the MR determinations and by formation by the Grignard reaction of the corresponding trimethyl derivatives (compound, b.p., n²⁰_D, d₂₀, and MR given): BuSiMe₃, 114°, 1.4030, 0.7203, 44.12; C₆H₁₃SiMe₃, 163°, 1.4160, 0.7412, 53.58; C₈H₁₇SiMe₃, 75°/10 mm., 1.4242, 0.7646, 62.58. The reaction of I with C₃H₆ was carried out in 2 runs at 260-75° 3 hrs. at 100 atm. maximum pressure to give 216 g. product from 151 g. I. Distillation gave 21 g. I and MeSiCl₂(C₃H₆)_nH (n, n²⁰_D, and b.p./mm. given): 1, 1.4240, 123-4°; 2, 1.4400, 82°/32; 3, 1.4540, 80-2°/2. The telomerization reactions resulted from the cleavage of the Si-H bond, as evidenced by its absence in the compounds obtained as shown by the neg. test with KOH in H₂O. It is evident that the thermal reaction is of a chain character.

Tetrahedron published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, Related Products of chlorides-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Cao, Chuntao published the artcileReactions of Organosilanes with Silica Surfaces in Carbon Dioxide, Formula: C9H20Cl2Si, the publication is Langmuir (2001), 17(3), 757-761, database is CAplus.

Silylation reactions using liquid and supercritical CO₂ as the solvent were performed on both single surface (silicon wafers) and nanoporous (silica gel) silica samples. The alkylsilyl monolayers formed on single surfaces were characterized by wettability, ellipsometry, and XPS. Modified nanoporous silica samples were analyzed by chem. anal. A range of different silanes including monochloro-, dichloro-, trichloro-, and dimethylamino-silanes was examined The results indicate that dense carbon dioxide is a good solvent for silylation reactions, comparable or better than most solvents. Compared with the optimum conditions for silylation at solid-liquid interfaces, reactions in carbon dioxide are faster, although maximum bonding densities are slightly lower.

Langmuir published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, Formula: C9H20Cl2Si.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Wawrzynczak, Agata published the artcileHydrosilylation of n-alkenes and allyl chloride over platinum supported on styrene-divinylbenzene copolymer, Safety of Dichloro(methyl)(octyl)silane, the publication is Catalysis Today (2011), 169(1), 69-74, database is CAplus.

Catalytic performance of styrene-divinylbenzene copolymer-supported platinum catalyst of high crosslinking degree and high surface area was studied in reactions of hydrosilylation of allyl chloride, 1-octene and 1-butene. The catalyst has shown considerably greater stability of catalytic activity than classical active carbon-supported catalyst. In experiments on repeated use of catalysts, the decrease in catalytic activity for hydrosilylation of liquid double bond-containing compounds proceeding in the presence of the copolymer-supported and carbon-supported platinum was considerably smaller in the case of the former catalyst. Bimetallic Pt-Cu catalyst on polymeric support appeared to be considerably less active than monometallic catalyst.

Catalysis Today published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C10H20O2, Safety of Dichloro(methyl)(octyl)silane.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Drake, R. published the artcilePolymethacrylate and polystyrene-based resin-supported Pt catalysts in room temperature, solvent-less, oct-1-ene hydrosilylations using trichlorosilane and methyldichlorosilane, Product Details of C9H20Cl2Si, the publication is Journal of Molecular Catalysis A: Chemical (2001), 177(1), 49-69, database is CAplus.

A first group of methacrylate-based resins have been prepared with different amine ligands each co-ordinating Pt(II). Evaluation of each of these as room temperature catalysts in the solvent-less hydrosilylation of oct-1-ene by trichlorosilane has identified a supported ethylenediamine-derived ligand as providing the most active and stable Pt catalyst. A second group of methacrylate-based resins and third group of styrene-based resins have also been prepared with a variety of morphologies. Each of these was chem. modified to introduce the same ethylenediamine-derived ligand and subsequently Pt(II) coordinated to each of these. Both groups of resin catalysts were evaluated for activity, selectivity, Pt leaching and recyclability in the hydrosilylation of oct-1-ene by trichlorosilane and methyldichlorosilane. Specific samples of resin catalysts have been recycled up to 11 times in successive batch reactions. The styrene-based resins have been shown to be more active than the methacrylate-based ones, almost certainly because as a group they are more hydrophobic. Gel-type morphologies in the support are totally unsuitable and appear to provide severe mass transport limitations. The various macroporous resin based species are very attractive catalysts and the most likely optimum design criteria are discussed.

Journal of Molecular Catalysis A: Chemical published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, Product Details of C9H20Cl2Si.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics

Drake, R. published the artcileOptimization of polystyrene resin-supported Pt catalysts in room temperature, solvent-less, 1-octene hydrosilylation using methyldichlorosilane, Category: chlorides-buliding-blocks, the publication is Combinatorial Chemistry and High Throughput Screening (2002), 5(3), 201-209, database is CAplus and MEDLINE.

Six precursor resins with systematic variation of porous parameters were prepared by suspension polymerization using specific compositions of divinylbenzene, styrene vinylbenzyl chloride (VBC) and 2-ethylhexan-1-ol (a porogen) and the surface areas from N₂ sorption and BET anal. were ∼2-170 m²·g^-1. The VBC content in each case was 38 mol% and these groups were aminated using the sodium salt of trimethylethylenediamine and Pt was introduced onto each resin at three different loadings (∼0.03, ∼ 0.2 and ∼ 0.4 mmol·g^-1) by appropriate manipulation of K₂PtCl₄. The matrix of 18 resin-supported Pt complexes was then assessed for catalytic activity in the room temperature, solvent-less, hydrosilylation of 1-octene using methyldichlorosilane such that alkene:silane:Pt ratio was fixed as 2:1:1×10^-3. Though all the catalysts showed activity lower than that of homogeneous Speier’s catalyst, most were sufficiently active to be potentially valuable heterogeneous catalysts in the laboratory, and indeed the plant. The most lightly loaded resins proved to be the least active and the remainders were recycled 5 times, and the best performers, the most highly loaded species, a further 5 times making 10 consecutive uses in all. A strong dependence on the porous structure of the resins was demonstrated with the activity rising systemically with the surface area. The two highest surface area highest loaded species displayed good activity even when used for the tenth time. The level of concurrent alkene isomerization observed was low throughout (<1%) making these heterogeneous species selective and highly active. Overall the derived catalysts are excellent candidates for use in the research laboratory, and with further development could also be valuable in continuous processes.

Combinatorial Chemistry and High Throughput Screening published new progress about 14799-93-0. 14799-93-0 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(methyl)(octyl)silane, and the molecular formula is C9H20Cl2Si, Category: chlorides-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics