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3052-45-7

3052-45-7 Structure

3052-45-7 Structure
IdentificationBack Directory
[Name]

lithium allyl
[CAS]

3052-45-7
[Synonyms]

allyllithium
lithium allyl
Chemical PropertiesBack Directory
[Boiling point ]

59.6°C
[solubility ]

sol in ethers with degrees of association 1.4-10; sparingly sol in alkanes
[form ]

colorless solid, pyrophoric in air
Hazard InformationBack Directory
[Uses]

Lithium allyl is used as an allyling agent in substitution and addition reactions; used to attach allylic groups to other metals and nonmetals.
[Preparation]

Lithium allyl is prepared from allyl phenyl ether and Li in THF/ether is recommended for large scale, tinlithium exchange between allyltins and phenyllithium for pure samples.9 Halogen-metal exchange is  impractical due to fast Wurtz coupling. Allyllithium can also be made at -78 °C by the reaction of nButyllithium with allyl methyl (or phenyl) selenide,10 and by metallating propene with butyllithium.
[storage]

Lithium allyl must be prepared and transferred under inert gas to exclude oxygen  and moisture.
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