Compuestos de organosilicio

<p>S04525 - p-Chlorophenyltrimethylsilane</p>

<p>S25140 - 2,2-Dimethoxy-1-thia-2-silacyclopentane</p>

<p>S08905 - Ethyl 3-(trimethylsilyl) propiolate</p>

<p>S25343 - Potassium methylsiliconate, 45%-55% in water</p>

<p>S25023 - (3-Acryloxypropyl)tris(trimethylsiloxy)silane inhibited with MEHQ tech-95</p>

<p>S25217 - 11-Mercaptoundecyltrimethoxysilane,95%</p>

<p>S25262 - O-(Propargyl)-N-(triethoxysilylpropyl)carbamate (inhibited with MEHQ)</p>

<p>S25207 - Lithium Trimethylsilanolate</p>

<p>S03850 - 2-Chloroethoxytrimethylsilane</p>

<p>S05942 - Dichloro-n-dodecylmethylsilane</p>

<p>S18775 - 1-(Trimethylsiloxy)cyclohexene</p>

<p>S25165 - (S)-Glycidoxy-t-butyldimethylsilane</p>

<p>S10521 - Methacryloxymethyltrimethoxysilaneinhibited with MEHQ</p>

<p>S17375 - N-(3-Triethoxysilylpropyl)-4-nitrobenzamide</p>

<p>S01950 - 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane</p>

<p>Applications Triethylsilane is a trialkylsilicon hydride used in the synthesis of alkylsilanes via hydrosilation of olefins. Triethylsilane is also used as an effective reducing agent.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Cesca, S. et al.: Chim. Indust., 51, 1093 (1969): Svoboda, P. et al.: Coll. Czech. Chem. Comm., 37, 1585 (1972); Tsuji, J. et al.: Tetrahedron, 30, 2143 (1974):<br></p>

<p>Applications Benzo[b]thien-3-ylboronic acid is used in the synthesis and evaluation of dual wavelength fluorescent benzo[b]thiophene boronic acid derivatives for sugar/glycoprotein sensing.<br>References Akay, S., et al.: Chem. Biol. Drug Des., 70, 279 (2007)<br></p>

<p>Applications 5-Formylfuran-2-boronic Acid Neopentyl Glycol Ester is a useful reagent in lapatinib synthesis.<br>References Radl, S., et al.: PCT Int. Appl. (2014), WO 2014059956 A1<br></p>

<p>Stability Moisture Sensitive<br>Applications 2-phenyl-2-[(trimethylsilyl)oxy]acetonitrile (cas# 25438-37-3) is a useful research chemical.<br></p>

<p>Applications 2-Aminobenzeneboronic acid pinacol ester is a reagent used to synthesize regiospecific quinolines. It can also be used to synthesize (±)-Epimeloscine and (±)-Meloscine.<br>References Zhang, H., et al.: J. Am. Chem. Soc. 133, 10376 (2011); Horn, J., et al.: Org. Lett 10, 4117 (2008)<br></p>

<p>Applications Ethynylboronic Acid MIDA Ester is a useful reagent in preparatino of borono-substited 1(2H)-isoquinolinones by rhodium-catalyzed cycloaddition.<br>References Wang, H., et al.: J. Am. Chem. Soc., 134, 19592 (2012);<br></p>

<p>Stability Hygroscopic<br>Applications 2-(4-ethenylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane<br></p>

<p>Applications 3-O-tert-Butyldimethylsilyl-cholest-5-ene-3-ol 24-(2-hydroxyisopropyl) 24-Phenyl Sulfinate is an intermediate in the preparation of Campesterol (C155360).<br></p>

<p>Applications Trichloro[2-(chloromethyl)-2-propen-1-yl]silane is an intermediate used in the synthesis of 2-​(Chloromethyl)​allyl-​trimethylsilane (C371430), which is one of the reagents to synthesize Leucasandrolide A Macrolide (I) via Mukaiyama aldol coupling.2-​(Chloromethyl)​allyl-​trimethylsilane was used in catalytic Sakurai reaction of α,​β-​enones.<br>References Kopecky, D., et al.: J. Am. Chem. Soc., 123, 8420 (2001).Lee, P., et al.: J. Org. Chem., 66, 8646 (2001).<br></p>

<p>Applications Perphenylcyclopentasilane is an intermediate in the synthesis of Cyclopentasilane (C988380), a reagent used for depositing silicon on surfaces for electronics applications.<br>References Morisaki, Y., et al.: Chem. Lett., 38, 498 (2009);<br></p>

<p>Applications tert-Butyl-(3-iodo-1,1-dimethyl-propoxy)-dimethyl-silane (cas# 105262-85-9) is used as a reagent in the preparation of Methyl Acetoacetate.<br>References Heslin, J. C., et al.: J. Chem. Soc. [Perkin 1]. 6, 1417 (1988)<br></p>

<p>Applications (4-Ethynylphenyl)trimethylsilane (cas# 16116-92-0) is a useful research chemical.<br></p>

<p>Applications Trimethylboroxin (50% Solution in THF) is used in a diverse array of areas, including as a polymerization additive. Trimethylboroxin is also used in the preparation of CBS catalysts for asymmetric reductions.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Gilmore, N., et al.: Tetrahedron Asy., 14, 2115 (2003); Najera, C., et al.: Adv. Synth. Catal., 346, 1798 (2004);<br></p>

<p>Applications 5-Bromopentylboronic Acid<br></p>

<p>Stability Moisture Sensitive<br>Applications Chloroborane Methyl Sulfide Complex is a reagent in the synthesis of 3,4-Dimethyl-5-pentyl-2-furanundecanoic Acid (D477535); a furan fatty acid known to exhibit radical-scavenging ability and having anti-inflammatory properties.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Grahl, N., et al.: Marine. Biol., 157, 1567 (2010); Spiteller, G., et al.: Lipids., 40, 75 (2005); Wakimoto, T., et al.: PNSA., 108, 17533 (2011)<br></p>

<p>Applications (5-Formylfuran-2-yl)boronic Acid is a reagent used in Suzuki cross-couplings with deactivated aryl bromides and activated aryl chlorides.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Trinh, T. N., et al.: Org. Biomol. Chem., 12, 9562-9571 (2014);<br></p>

<p>Applications Allylboronic acid pinacol ester<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Applications Di(p-anisyl)iodonium Tetrafluoborate (cas# 1426-58-0) is a compound useful in organic synthesis.<br></p>

<p>Applications Methoxy4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-benzenemethanol, is prepared synthetically from vanillin (V097500) with an intermediate of methoxy-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-benzaldehyde (M269710).<br>References Gowravarm, S. et al.: Adv. Synth. Catal., 343, 169 (2001)<br></p>

<p>Applications 4-Carboxymethylphenylboronic acid<br></p>

<p>Stability Moisture Sensitive<br>Applications Chlorotriethylsilane is used in the preparation of potent silylating agent and lewis acid catalyst. Chlorotriethylsilane derivatived ethers have been shown to be more stable towards hydrolysis than are trimethyl ethers.<br> E0<br>References Alvisi, C. et al.: J. Org. Chem., 63, 1330 (1998): Higashiya, S. et al.: J. Org. Chem., 69, 6326 (2004); Hicks, J.D. et al.: Org. Lett., 9, 5621 (2007);<br></p>

<p>Applications Tetrabutylammonium tetrafluoroborate (cas# 429-42-5) is a useful research chemical.<br></p>

<p>Applications 1,1,3,3-Tetramethyldisiloxane is an organosilane reducing agent and can be used in several reduction reactions including reductive formation of sulfides and reductive etherification.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Pesti, J., et al.: Org. Process Res. Dev., pages ahead of print (2016);<br></p>

<p>Applications tert-Butylmethoxydimethylsilane is used as a reactant in the preparation of chlorosilanes.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Masaoka, S., et al.: J. Organomet. Chem., 691, 174 (2006);<br></p>

<p>Applications 2,5-Dimethylthiophene-3-boronic acid<br></p>

<p>Impurity Paclitaxel - In House Impurity<br>Applications Protected Baccatin III. Paclitaxel - In House Impurity.<br></p>

<p>Stability Hygroscopic<br>Applications Methyl (3R)-3-(tert-Butyldimethylsilanyloxy)-5-oxo-6-(triphenylphosphanylidene)hexanoate was used to preapre pyrimidinyl- and pyrrolylheptenoates with HMG-CoA reductase inhibitory activities.<br>References Watanabe, M., et al.: Bioorg. Med. Chem., 5, 437 (1997); Pfefferkorn, J., et al.: J. Med. Chem., 51, 31 (2008);<br></p>

<p>Applications 5-Formylfuran-2-boronic Acid Pinacol Ester could be useful for the diastereoselective synthesis of cyclic peptide macrocycles via Petasis borono-Mannich reaction<br>References Yamaguchi, A., et al.: Chem. Commun. (Cambridge, U. K.), 55, 10567 (2019)<br></p>

<p>Applications 2-tert-Butyldimethylsilyloxyethyl Tosylate is an intermediate in the synthesis of Everolimus (E945400), which is Everolimus Macrolide immunosuppressant; Everolimus is a derivative of Rapamycin. Everolimus inhibits cytokine-mediated lymphocyte proliferation.<br>References Dumont, F.J., et al.: Curr. Opin. Invest. Drugs, 2, 1220 (2001), Kovarik, J. M., et al.: Clin. Pharmacol. Ther., 69, 48 (2001), Nashan, B., et al.: Ther. Drug Monit., 24, 53 (2002),<br></p>

<p>Applications 1,2,2-Trimethylcyclopropyl Boronic Acid is the boronic acid analogue of 1,2,2-Trimethylcyclopropane. Boronic acid derivatives are widely used in several applications in organic synthesis.<br></p>

<p>Applications Thiazol-4-ylboronic acid (cas# 1016642-07-1) is a useful research chemical.<br></p>

<p>Applications (4-((4aR)-7-(Benzyloxy)-3,4,4a,5-tetrahydro-2H-chromen-3-yl)phenoxy)(tert-butyl)dimethylsilane is an protected intermediate in the synthesis of isoflavone Daidzein (D103500) related compounds.<br></p>

<p>Applications Benzothiophene-5-boronic acid<br></p>

<p>Applications 2-Hydroxyphenylboronic acid<br></p>

<p>Stability Moisture Sensitive<br>Applications n-Octadecyltrichlorosilane (cas# 112-04-9) is a useful research chemical.<br> E0<br></p>

<p>Applications 3-Acetylphenylboronic acid<br></p>

<p>Applications 4-[[[(1,1-Dimethylethyl)diphenylsilyl]oxy]methyl]-2,2-dimethyl-1,3-dioxolane is an intermediate in the synthesis of 1,2-Dioleoyl-rac-glycerol (D482175), which is an analog of 1,3-Dioleoylglycerol (D484210) which is used in the synthesis of amphiphilic gadolinium complexes as MRI contrast agents.<br>References Accardo, A., et. al.: J. Mater. Chem. B., 1, 617 (2013)<br></p>

<p>Applications 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopent-2-en-1-one (cas# 1370008-65-3) is a useful research chemical.<br></p>

<p>Applications 5-(Ethoxycarbonyl)thiophene-3-boronic Acid is a useful reagent for preparing hydroxyimino(phenyl)propanones as GPBAR1 agonists.<br>References Bissantz, C., et al.: U.S. Pat. Appl. Publ. (2012), US 20120010190 A1<br></p>

<p>Stability Volatile<br>Applications Allyltrimethylsilane is used in the allylation of aldehydes, imines, allylic and benzylic alcohols, and chiral α-keto-amides that are derived from (S)-proline esters.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Yadav, J.S., et al.: Tetrahedron Lett., 43, 3783 (2002); Aggarwal, V.K., et al.: Tetrahedron Lett., 37, 3745 (1996); Wang, D.K., et al.: J. Org. Chem., 64, 4233 (1999); Kaur, G., et al.: Tetrahedron Lett., 38, 2521 (1997); Soai, K., et al.: J. Chem. Soc., Chem. Commun., 15, 1016 (1984)<br></p>