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2031-62-1 - Diethoxymethylsilane, 96% - Methyldiethoxysilane - A10153 - Alfa Aesar

A10153 Diethoxymethylsilane, 96%

Numéro CAS
2031-62-1
Synonymes
Methyldiethoxysilane

Dimensions Prix ($) Quantité Disponibilité
5g 26,37
10g 49,65
50g 254,41
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Diethoxymethylsilane, 96%

MDL
MFCD00026749
EINECS
217-982-3

Propriétés chimiques

Formule
C5H14O2Si
Poids formulaire
134.25
Point d'ébullition
94-95°
Point d'éclair
10°(50°F)
Densité
0.840
Indice de réfraction
1.3760
Sensibilité
Moisture Sensitive
Solubilité
Miscible with water, 1,4-dioxane, tetrahydrofuran, acetonitrile, dichloromethane, chloroform, dimethyl sulfoxide, hexamethylphosphoric triamide and toluene. Insoluble in diethyl ether and hexane.

Applications

Diethoxymethylsilane is used in the preparation of N,N'-methylsilanediyl-bis-phthalimide by reacting with phthalimide. It is used as a reagent in the selective reduction of carbonyl compounds, hydorosilylation of alkenes, tandem reductive aldol reaction and rhodium-catalyszed silylcarbocyclization.

Notes

Incompatible with oxidizing agents, acids and bases.

Références bibliographiques

Silane reducing agent; see Appendix 4. In the presence of KF or CsF, reduces aldehydes and ketones to alcohols (via the silyl ether): Tetrahedron, 37, 2165 (1981). With CsF, the reaction can be extended to esters: Synthesis, 558 (1981). Both reactions are improved in DMSO or DMF as solvent: Synthesis, 981 (1982).

Hydosilylation of olefinic compounds can be effected, e.g. in the presence of PtO2: Org. Lett., 4, 2117 (2002).

Niljianskul, N.; Zhu, S.; Buchwald, S. L. Enantioselective Synthesis of alfa-Aminosilanes by Copper-Catalyzed Hydroamination of Vinylsilanes. Angew. Chem. 2015, 127 (5), 1658-1661.

Wang, Y. M.; Bruno, N. C.; Placeres, A. L.; Zhu, S.; Buchwald, S. L. Enantioselective Synthesis of Carbo-and Heterocycles through a CuH-Catalyzed Hydroalkylation Approach. J. Am. Chem. Soc. 2015, 137 (33), 10524-10527.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H225-H315-H319-H335

Highly flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Mentions de prudence: P210-P261-P280-P240-P303+P361+P353-P305+P351+P338-P304+P340-P362-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Beilstein
1733975
Classe de danger
3
Groupe d'emballage
II
Code tarifaire harmonisé
2931.90
TSCA
Yes

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Catalyseurs

Analytique et matériel de laboratoire