Trimethoxysilane phenyl

In the context of NHC/metal catalysed cross-coupling reactions, the only example of a Hiyama reaction was reported by Nolan using an in situ protocol by mixing Pd(OAc)j and IPr HCl for the formation of the catalyst. Activated aryl bromides and chlorides, such as 2-chloropyridine, were coupled with phenyl and vinyl-trimethoxysilane in good yields [123] (Scheme 6.39). 

Scheme 6.39 Hiyama coupling between activated aryl bromides/chlorides and phenyl/vinyl-trimethoxysilane...

Plots in Figure 6.3 show leaching and response of pH sensor layers chemically doped starting from 3-(trimethoxysilyl)propylisocyanate (ICPS) and (glycidyloxypropyl)trimethoxysilane (GOPS) derivatized with the pH indicator AF, or physically doped in SiC>2 (from tetra-methylorthosilicate, TMOS) and in 50% phenyl-modified silica. 

We have found that the ratios of silanes used can be varied within wide limits, and more than two silanes can be used. For example, TEOS, y-aminopropyl trimethoxysilane (AMP-silane) and phenyl trimethoxysilane can be co-polymerised to give a material containing both amino groups and phenyl groups. Some representative examples of materials synthesised by this procedure are detailed in Tables 1 and 2... 

Further improvements can be made to the performance of the HMS materials by preparing materials containing two different functional groups. By co-condensation of TEOS, aminopropyl trimethoxysilane and phenyl triethoxysilane, a templated material can be... 

The outcome of the reaction is affected by hydrosilane, CO pressure, and choice of catalyst. The hydrosilane substituents influence the selectivity of the reaction, i.e., relative ratio of silylformylation to hydrosilylation. For example, silanes with phenyl substituents, such as Me2PhSiH, Ph2MeSiH, and Ph3SiH, lead exclusively to silylformylation products, but at least 80% of the product derived from trimethoxysilane is due to hydrosilylation. Trialkylsilanes generally give 40 60 mixtures of hydrosilylation and silylformylation products. The carbon monoxide pressure under which the reaction... 

PEDOT PEELS PEG PEG-Si PEI PEO PEP PER PET PG PG-zb Ph phim PHMA PI pia PIXIES poly-(3,4-ethylenedioxythiophene) parallel electron energy loss spectroscopy poly(ethylene glycol) 2-[methoxypoly(ethyleneoxy)propyl]trimethoxysilane poly(ethylene imine) poly(ethylene oxide) poly(ethylene-aZf-propylene) photoelectrorheological (effect) positron emission tomography adaptor protein G Fc domain of PG phenyl benzimidazolate poly(w-hexyl methacrylate) polyisoprene V-4-pyridyl isonicotinamide protein imprinted xerogels with integrated emission sites... 

Figure 16.14 summarizes the pyrene IJI3 results from a series of hybrid class II xerogels formed from phenyl-trimethoxysilane (P-TMOS), phenyl-triethoxysilane (P-TEOS), TMOS, TEOS, and seven different monoalkyl-trialkoxysilanes (Cn-TM(E) OS). These formulations were prepared using the ALHS and screened using the high throughput spectral acquisition system utilization of automated systems reduced... 

Phenyl trimethoxysilane (trimethoxysilyl benzene) [2996-92-1] M 198.3, b 103"/20mm, 130.5-13l"/45mm, d 1.022, n 1.4698. Fractionate it through an efficient column but note that... 

CARBENES, GENERATION Chloral. Dibromofluoromethane. Dimethoxy-methyl)trimethoxysilane. Dimethyl diazomethylphosphonate. S -Dimethyl-N-nitroso-2-oxazolidone. Ethylidene iodide-Diethylzinc. Ethyl trichloroacetate. Phenyl(dibromochloro methyl) mercury. Phenyl(dihalocarbomethoxymethyl)mer-cury. Phenyl(trifluoromethyl)mercury. Phenyl(trihalomethyl)mercury. Sodium chlorodiiluoroacetate. Zinc powder. 

SBR BR-TiC composites Antioxidant MBT-modifled silica/SBR Antioxidant (3-glycidyloxypropyl) trimethoxysilane (A-187) otN-phenyl-l,4-phenylenediamine -fnnctionabzed silica/SBR Ethylenethionrea-modifled silica/SBR Hydroxyl-terminated polybutadiene-silica/SBR... 

Ormosil phenyl-trimethoxysUane-co-tetramethoxysilane, TMOS tetramethoxysilane, TriMOS phenyl-trimethoxysilane, TMMS trimethylmethoxysilane... 

For example, it was found that organically modified sol-gel precursors, such as phenyl-trimethoxysilane (Ph-SiOMej) and its copolymers with other triaUcoxysilanes, display distinctly improved properties in terms of long-term stability, gas permeability, and ease of deposition on waveguide optics. Several sol-gel-based cocktails used for making oxygen sensors are presented in Table 15.1. 

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