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- Einecs Number 223-725-6
- Synonyms LITHIUM BIS(TRIMETHYLSILYL)AMIDE
- HMIS 3-3-1-X
- Molecular Formula C6H18LiNSi2
- Molecular Weight (g/mol) 167.33
- Purity (%) 95%
- TSCA Yes
- Boiling Point (˚C/mmHg) 114-116/1
- Melting Point (˚C) 71-2°
Review of synthetic utility.1
Converts aryl halides to anilines.2
Reacts with ketones and esters in the presence of triethylamine to form the (E)-enol silyl ether with high selectivity.3
F&F: Vol. 4, p 296; Vol. 5, p 393; Vol. 7, p 197; Vol. 12, p 280; Vol. 13, p 165, p 188, p 257; Vol. 14, p 194; Vol. 15, p 207; Vol. 16, p 16, p 357; Vol. 17, p 33; Vol. 21, p 251.
1. Handbook of Reagents for Organic Synthesis, Reagents for Silicon-Mediated Organic Synthesis, Fuchs, P. L. Ed., John Wiley and Sons, Ltd., 2011, p. 356-367.
2. Lee, S. et al. Org. Lett. 2001, 3, 2729.
3. Godenschwager, P. F.; Collum, D. B. J. Am. Chem. Soc. 2008, 130, 8726.
Silane Cross-Coupling Agent
The cross-coupling reaction is a highly useful methodology for the formation of carbon-carbon bonds. It involves two reagents, with one typically being a suitable organometallic reagent - the nucleophile - and the other a suitable organic substrate, normally an unsaturated halide, tosylate or similar - the electrophile.
Atomic layer deposition (ALD) is a chemically self-limiting deposition technique that is based on the sequential use of a gaseous chemical process. A thin film (as fine as -0.1 Å per cycle) results from repeating the deposition sequence as many times as needed to reach a certain thickness. The major characteristic of the films is the resulting conformality and the controlled deposition manner. Precursor selection is key in ALD processes, namely finding molecules which will have enough reactivity to produce the desired films yet are stable enough to be handled and safely delivered to the reaction chamber.
Lithium hexamethyldisilazide; Lithium bis(trimethylsilyl)amide; 1,1,1,3,3,3-Hexamethyldisilazane lithium salt
Silicon Chemistry, Articles
Hatanaka and Hiyama first reported the palladium-catalyzed, fluoride-promoted reaction of aryl, alkenyl, allyl, and ethynyltrimethylsilanes with aryl, vinil and allyl halides to form the respective cross-coupled products