Trialkoxysilanes

The use of silicon compounds as transmetalation reagents has attracted much attention as a viable alternative to the popular Stille and Suzuki coupling reactions, mainly due to the formation of nontoxic byproducts and the stability of the reagents to many reaction conditions. Silicon-based coupling reactions can be carried out using aryl, heteroaryl, or alkenyl halides and alkoxysilanes in the presence of palladium or rhodium catalysts.

Among the various types of silicon compounds available, alkoxysilanes are the most effective in the coupling reactions.

Trialkoxysilanes are important silylating agents, and are widely used for surface functionalization via modification of substrates under standard solution deposition conditions. As a practical alternative to Stille and Suzuki coupling, the rhodium-catalyzed addition of trialkoxysilanes to carbonyl compounds has received a considerable amount of attention. Sigma-Aldrich is proud to contribute to this field by making a broad variety of trialkoxysilanes available to our customers.

Learn More about Trialkoxysilanes
Aldrichimica Acta Review: Organosilicon Reagents

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282626 Trimethoxysilane 95% C3H10O3Si
679232 Trimethoxymethylsilane deposition grade, ≥98% C4H12O3Si
69471 Trimethoxymethylsilane purum, ≥98.0% (GC) C4H12O3Si
246174 Trimethoxymethylsilane 98% C4H12O3Si
440175 Trimethoxymethylsilane 95% C4H12O3Si
235768 Vinyltrimethoxysilane 98% C5H12O3Si
440221 Vinyltrimethoxysilane 97% C5H12O3Si
91877 Trimethoxy(3,3,3-trifluoropropyl)silane ≥97.0% (GC) C6H13F3O3Si
679267 Allyltrimethoxysilane ≥98%, deposition grade C6H14O3Si
446955 Allyltrimethoxysilane 95% C6H14O3Si
18265 (3-Bromopropyl)trimethoxysilane ≥97.0% C6H15BrO3Si
58035 (3-Iodopropyl)trimethoxysilane ≥95.0% (GC) C6H15IO3Si
175617 (3-Mercaptopropyl)trimethoxysilane 95% C6H16O3SSi
390143 Triethoxysilane 95% C6H16O3Si
662275 Trimethoxy(propyl)silane 97% C6H16O3Si
281778 (3-Aminopropyl)trimethoxysilane 97% C6H17NO3Si
440817 1-[3-(Trimethoxysilyl)propyl]urea 97% C7H18N2O4Si
444065 Isobutyl(trimethoxy)silane 97% C7H18O3Si
679364 Isobutyl(trimethoxy)silane ≥98%, deposition grade C7H18O3Si
175579 Triethoxymethylsilane 99% C7H18O3Si
339644 Triethoxymethylsilane technical grade, 90% C7H18O3Si
551635 Trimethoxy[3-(methylamino)propyl]silane 97% C7H19NO3Si
223751 Methyl 3-(trimethylsilyloxy)crotonate, mixture of cis and trans 97% C8H16O3Si
175560 Triethoxyvinylsilane 97% C8H18O3Si
679275 Triethoxyvinylsilane ≥98%, deposition grade C8H18O3Si
440574 Triethoxy(ethyl)silane 96% C8H20O3Si
539287 (N,N-Dimethylaminopropyl)trimethoxysilane 96% C8H21NO3Si
440302 [3-(2-Aminoethylamino)propyl]trimethoxysilane technical grade, ≥80% C8H22N2O3Si
104884 N-[3-(Trimethoxysilyl)propyl]ethylenediamine 97% C8H22N2O3Si
447242 1,2-Bis(trimethoxysilyl)ethane 96% C8H22O6Si2
679313 Trimethoxyphenylsilane deposition grade, 98% C9H14O3Si
104744 Trimethoxyphenylsilane 97% C9H14O3Si
435651 Trimethoxyphenylsilane ≥94% C9H14O3Si
475149 3-(Trimethoxysilyl)propyl acrylate 92%, contains 100 ppm BHT as inhibitor C9H18O5Si
125377 3-(Triethoxysilyl)propionitrile 97% C9H19NO3Si
A36301 Allyltriethoxysilane 97% C9H20O3Si
G1535 (3-Glycidyloxypropyl)trimethoxysilane ≥97% (GC) C9H20O5Si
440167 (3-Glycidyloxypropyl)trimethoxysilane ≥98% C9H20O5Si
569615 (3-Chloropropyl)triethoxysilane 95% C9H21ClO3Si
63797 (3-Mercaptopropyl)triethoxysilane ≥80% (GC), technical C9H22O3SSi
679321 n-Propyltriethoxysilane ≥98%, deposition grade C9H22O3Si
539317 n-Propyltriethoxysilane 97% C9H22O3Si
A3648 (3-Aminopropyl)triethoxysilane ≥98% C9H23NO3Si
440140 (3-Aminopropyl)triethoxysilane 99% C9H23NO3Si
706493 (3-Aminopropyl)triethoxysilane packaged for use in deposition systems, ≥98% C9H23NO3Si
11998   N-[3-(Trimethoxysilyl)propyl]-N,N,N-trimethylammonium chloride Sivento quality, 45-55% in methanol C9H24ClNO3Si
597007 Triethoxy-2-thienylsilane 97% C10H18O3SSi
592315 3-(Triethoxysilyl)furan 96% C10H18O4Si
M6514 3-(Trimethoxysilyl)propyl methacrylate ≥98% C10H20O5Si
64208 3-(Trimethoxysilyl)propyl methacrylate Selectophore C10H20O5Si
440159 3-(Trimethoxysilyl)propyl methacrylate 98% C10H20O5Si
374156 3-Cyanopropyltriethoxysilane 98% C10H21NO3Si
413364 3-(Triethoxysilyl)propyl isocyanate 95% C10H21NO4Si
596973 Chloromethyltriisopropoxysilane 96% C10H23ClO3Si
699713 Isobutyltriethoxysilane ≥95% C10H24O3Si
448907 Methyl-tripropoxysilane 97% C10H24O3Si
679356 [3-(Diethylamino)propyl]trimethoxysilane deposition grade, ≥98% C10H25NO3Si
448664 [3-(Diethylamino)propyl]trimethoxysilane 96% C10H25NO3Si
413348 N1-(3-Trimethoxysilylpropyl)diethylenetriamine technical grade C10H27N3O3Si
438340 Trimethoxy(2-phenylethyl)silane 98% C11H18O3Si
413321 Trimethoxy[2-(7-oxabicyclo[4.1.0]hept-3-yl)ethyl]silane 98% C11H22O4Si
596043 Cyclopentyltriethoxysilane 98% C11H24O3Si
452815 Trimethoxy(7-octen-1-yl)silane technical grade, 80% C11H24O3Si
738999 Isooctyl trimethoxysilane, mixture of isomers 97% C11H26O3Si
376221 Trimethoxy(octyl)silane 96% C11H26O3Si
683760 2-[(Trimethylsilyl)ethynyl]benzonitrile 97% C12H13NSi
592757 (Pentafluorophenyl)triethoxysilane 97% C12H15F5O3Si
597910 (4-Chlorophenyl)triethoxysilane 97% C12H19ClO3Si
175609 Triethoxyphenylsilane 98% C12H20O3Si
679291 Triethoxyphenylsilane deposition grade, ≥98% C12H20O3Si
440809 N-[3-(Trimethoxysilyl)propyl]aniline C12H21NO3Si
592420 (Triethoxysilyl)cyclohexane 98% C12H26O3Si
50059 (3-Glycidyloxypropyl)triethoxysilane ≥97.0% (GC) C12H26O5Si
413356 Bis[3-(trimethoxysilyl)propyl]amine technical grade, ≥90% C12H31NO6Si2
26255 (3-Chloropropyl)tris(trimethylsiloxy)silane ≥97.0% C12H33ClO3Si4
454516 Tetrakis(trimethylsilyloxy)silane 97% C12H36O4Si5
591572 Triethoxy-p-tolylsilane 97% C13H22O3Si
597015 Triethoxy(4-methoxyphenyl)silane 97% C13H22O4Si
667420 1H,1H,2H,2H-Perfluorooctyltriethoxysilane 98% C14H19F13O3Si
596353 Triethoxy(1-phenylethenyl)silane 98% C14H22O3Si
440213 Triethoxy(octyl)silane ≥97.5% C14H32O3Si
679305 Triethoxy(octyl)silane deposition grade, 98%, 99.99% trace metals basis C14H32O3Si
447250 1,2-Bis(triethoxysilyl)ethane 96% C14H34O6Si2
598135 1,3-Bis(triethoxysilyl)benzene 96% C18H34O6Si2
598038 1,4-Bis(triethoxysilyl)benzene 96% C18H34O6Si2
44237 Dodecyltriethoxysilane technical C18H40O3Si
15200 Bis[3-(triethoxysilyl)propyl] tetrasulfide technical, ≥90% (NMR) C18H42O6S4Si2
52360 Hexadecyltrimethoxysilane technical, ≥85% (GC) C19H42O3Si
440825 Tris[3-(trimethoxysilyl)propyl] isocyanurate technical grade C21H45N3O12Si3
376213 Trimethoxy(octadecyl)silane technical grade, 90% C21H46O3Si
638102 4,4′-Bis(triethoxysilyl)-1,1′-biphenyl 95% C24H38O6Si2
CDS001209 n-Octadecyltriethoxysilane AldrichCPR C24H52O3Si
454869 Methyltris(tri-sec-butoxysilyloxy)silane 97% C37H84O12Si4