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Thermo Scientific Chemicals
N,N'-Bis(trimethylsilyl)urea, 98+%
CAS: 18297-63-7 | C7H20N2OSi2 | 204.42 g/mol
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化學識別
CAS18297-63-7
規格
規格表
規格表Appearance (Color)White to pale cream
Formpowder
Elemental AnalysisC: 40.31 - 41.95% (theory 41.13%)
Elemental AnalysisN: 13.43 - 13.98% (theory 9.86%)
N,N'-Bis(trimethylsilyl)urea is used as a reagent for the silylation of alcohols and carboxylic acids.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
N,N′-Bis(trimethylsilyl)urea is used as a reagent for the silylation of alcohols and carboxylic acids.
Solubility
Reacts with water.
Notes
Moisture Sensitive
N,N′-Bis(trimethylsilyl)urea is used as a reagent for the silylation of alcohols and carboxylic acids.
Solubility
Reacts with water.
Notes
Moisture Sensitive
RUO – Research Use Only
General References:
- A. Blencowe.; L. Davidson.; W. Hayes. Synthesis and characterization of hyperbranched polyesters incorporating the AB2 monomer 3,5-bis(3-hydroxylprop-1-ynyl)benzoic acid. European Polymer Journal. 2003, 39, (10), 1955-1963.
- Andrei K. Yudi.; Jay P. Chiang.; Hans Adolfsson.; Christophe Coperet. Olefin Epoxidation with Bis(trimethylsilyl) Peroxide Catalyzed by Inorganic Oxorhenium Derivatives. Controlled Release of Hydrogen Peroxide. J. Org. Chem. 2001, 66, (13), 4713-4718.
- Useful reagent for the silylation of alcohols and carboxylic acids: Synthesis, 807 (1981). See Appendix 4. Generally no catalyst is required and the urea formed as by-product can be removed by filtration. For O-silylation catalyzed by TBAF (0.02 equiv.) under mild conditions, see: Tetrahedron Lett., 35, 8409 (1994). Review: Synthesis, 357 (1998).