766917
Litio bis(trimetilsilil)amide
1.5 M in THF
Sinonimo/i:
Esametildisilazano
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About This Item
Formula condensata:
[(CH3)3Si]2NLi
Numero CAS:
Peso molecolare:
167.33
Beilstein:
3567910
Numero MDL:
Codice UNSPSC:
12352111
ID PubChem:
NACRES:
NA.22
Prodotti consigliati
Stato
liquid
Livello qualitativo
Concentrazione
1.5 M in THF
Densità
0.893 g/mL at 25 °C
Stringa SMILE
[Li]N([Si](C)(C)C)[Si](C)(C)C
InChI
1S/C6H18NSi2.Li/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1
YNESATAKKCNGOF-UHFFFAOYSA-N
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Categorie correlate
Descrizione generale
Lithium bis(trimethylsilyl)amide is commonly used in organic synthesis as a non-nucleophilic strong Bronsted base. It is soluble in most nonpolar solvents such as aromatic hydrocarbons, hexanes, and THF.
Applicazioni
Lithium bis(trimethylsilyl)amide can be used as a reagent:
- In the deprotonation and nucleophilic difluoromethylation reactions.
- 3-methoxy substituted dihydropyrrole derivatives by reacting with aldehydes and lithiated methoxyallene via in situ formations of N-trimethylsilylated imines.
- In Darzens condensation and directed aldol condensation reactions.
- To synthesize poly(N-octyl-p-benzamide)s by chain-growth polycondensation of 4-octylaminobenzoic acid methyl ester.
Avvertenze
Danger
Indicazioni di pericolo
Classi di pericolo
Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Self-heat. 1 - Skin Corr. 1B - STOT SE 3
Organi bersaglio
Central nervous system, Respiratory system
Rischi supp
Codice della classe di stoccaggio
4.2 - Pyrophoric and self-heating hazardous materials
Classe di pericolosità dell'acqua (WGK)
WGK 2
Punto d’infiammabilità (°F)
31.3 °F - closed cup
Punto d’infiammabilità (°C)
-0.4 °C - closed cup
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