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Lithium bis(trimethylsilyl)amide (CAS 4039-32-1)

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Alternate Names:
Lithium hexamethyldisilazane; Bis(trimethylsilyl)amido lithium
Application:
Lithium bis(trimethylsilyl)amide is a base used in generating enolates
CAS Number:
4039-32-1
Purity:
97%
Molecular Weight:
167.33
Molecular Formula:
C6H18LiNSi2
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Lithium bis(trimethylsilyl)amide, is an organosilicon compound. It exists as a colorless liquid at room temperature and exhibits solubility in various organic solvents. This versatile compound is widely utilized as an intermediate in organic synthesis and as a catalyst for diverse reactions, including those involved in the production of pharmaceuticals, agrochemicals, and other fine chemicals. In the realm of organic synthesis, lithium bis(trimethylsilyl)amide proves invaluable as a catalyst for a broad range of reactions. Its utility extends to the synthesis of diverse organic compounds such as amines, alcohols, ketones, and carboxylic acids. Furthermore, it plays a vital role in the production of pharmaceuticals, agrochemicals, and other fine chemicals. Additionally, it finds application as a catalyst in the synthesis of polymers and other materials. Lithium bis(trimethylsilyl)amide serves as a base, facilitating the generation of enolates used in the preparation of lactone precursors, pyranones, and cyclohexanes. It also acts as a catalyst for the addition of phosphine P-H bonds to carbodiimides, resulting in the formation of phosphaguanidines. Moreover, this compound is employed in a novel three-step synthesis of disubstituted 1,2,5-thiadiazoles. The catalytic action of lithium bis(trimethylsilyl)amide operates through its role as a Lewis acid catalyst. By forming a coordination complex with the substrate, it facilitates the reaction of substrates. This complex formation leads to an enhanced reaction rate by reducing


Lithium bis(trimethylsilyl)amide (CAS 4039-32-1) References

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  3. From lithium bis(trimethylsilyl)amide with cyanoamine into triazine compounds: synthesis and structures of lithium 6-((trimethylsilyl)amido)-2,4-bis(dimethylamino)[1,3,5]triazines and their manganese and cobalt complexes.  |  Zhou, M., et al. 2012. Inorg Chem. 51: 4925-30. PMID: 22486357
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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Lithium bis(trimethylsilyl)amide, 10 g

sc-252956
10 g
$106.00

Lithium bis(trimethylsilyl)amide, 50 g

sc-252956A
50 g
$133.00

Lithium bis(trimethylsilyl)amide, 250 g

sc-252956B
250 g
$433.00