246611
Lithium diisopropylamide
97%
Sinônimo(s):
LDA
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About This Item
Fórmula linear:
[(CH3)2CH]2NLi
Número CAS:
Peso molecular:
107.12
Beilstein:
3655042
Número CE:
Número MDL:
Código UNSPSC:
12352001
ID de substância PubChem:
NACRES:
NA.22
Produtos recomendados
densidade de vapor
>1 (vs air)
Ensaio
97%
Formulário
solid
densidade
0.864 g/mL at 25 °C (lit.)
grupo funcional
amine
cadeia de caracteres SMILES
[Li]N(C(C)C)C(C)C
InChI
1S/C6H14N.Li/c1-5(2)7-6(3)4;/h5-6H,1-4H3;/q-1;+1
chave InChI
ZCSHNCUQKCANBX-UHFFFAOYSA-N
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Descrição geral
Lithium diisopropylamide (LDA) is a hindered non-nucleophilic strong base that abstracts hydrogen from active carbon. It can be prepared from diisopropylamine and butyllithium in the presence of tetrahydrofuran.
Aplicação
Lithium diisopropylamide can be used for the generation of carbanion or enolate anions from carbonyl group-containing compounds.
It can also be used as a base in:
It can also be used as a base in:
- The direct alkylation and acylation of ketones.
- The aldol condensation reaction.
- α-Selenation reaction.
- The synthesis of α, β- unsaturated carbonyl compounds from carbonyl compounds.
- The alkylation of acids, esters, amides, and nitriles.
- The initiation of anionic polymerization.
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Eye Dam. 1 - Pyr. Sol. 1 - Skin Corr. 1B
Perigos de suplementos
Código de classe de armazenamento
4.2 - Pyrophoric and self-heating hazardous materials
Classe de risco de água (WGK)
WGK 2
Equipamento de proteção individual
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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