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трет-Бутилат лития — органическое вещество, литиевый алкоголят трет-бутилового спирта. В органическом синтезе находит применение как слабое основание и нуклеофильный алкоголят, например в синтезе трет-бутиловых эфиров и катализе реакций конденсации.
, Lithium tert-butoxide is the metalloorgani … Lithium tert-butoxide is the metalloorganic compound with the formula LiOC(CH3)3. A white solid, it is used as a strong base in organic synthesis. The compound is often depicted as a salt, and it often behaves as such, but it is not ionized in solution. Both octameric and hexameric forms have been characterized by X-ray crystallographyeen characterized by X-ray crystallography
, Le tert-butylate de lithium est un composé … Le tert-butylate de lithium est un composé chimique de formule LiOC(CH3)3. Ce composé organique du lithium se présente comme un solide blanc utilisé comme base forte en synthèse organique. Souvent décrit comme un sel, il se conduit souvent comme tel mais n'est pas ionisé en solution. La cristallographie aux rayons X a permis d'identifier des formes octamériques et hexamériques. Les tert-butylate de lithium est disponible commercialement sous forme solide ou en solution, mais est généralement produit in situ pour une utilisation en laboratoire parce que les échantillons produits vieillissent mal. On l'obtient en traitant du tert-butanol avec du n-butyllithium. Le tert-butylate de lithium est facilement protoné. On l'utilise par exemple pour préparer d'autres tert-butylates, comme le tert-butylate de cuivre(I) CuOC(CH3)3 et l'hexa(tert-butoxy)dimolybdène(III) (((CH3)3CO)3Mo)2 : 2 MoCl3(thf)3 + 6 LiOBu-t ⟶ Mo2(OBu-t)6 + 6 LiCl + 6 thf. 6 LiOBu-t ⟶ Mo2(OBu-t)6 + 6 LiCl + 6 thf.
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| rdfs:comment |
трет-Бутилат лития — органическое вещество, литиевый алкоголят трет-бутилового спирта. В органическом синтезе находит применение как слабое основание и нуклеофильный алкоголят, например в синтезе трет-бутиловых эфиров и катализе реакций конденсации.
, Le tert-butylate de lithium est un composé … Le tert-butylate de lithium est un composé chimique de formule LiOC(CH3)3. Ce composé organique du lithium se présente comme un solide blanc utilisé comme base forte en synthèse organique. Souvent décrit comme un sel, il se conduit souvent comme tel mais n'est pas ionisé en solution. La cristallographie aux rayons X a permis d'identifier des formes octamériques et hexamériques. 2 MoCl3(thf)3 + 6 LiOBu-t ⟶ Mo2(OBu-t)6 + 6 LiCl + 6 thf. 6 LiOBu-t ⟶ Mo2(OBu-t)6 + 6 LiCl + 6 thf.
, Lithium tert-butoxide is the metalloorgani … Lithium tert-butoxide is the metalloorganic compound with the formula LiOC(CH3)3. A white solid, it is used as a strong base in organic synthesis. The compound is often depicted as a salt, and it often behaves as such, but it is not ionized in solution. Both octameric and hexameric forms have been characterized by X-ray crystallographyeen characterized by X-ray crystallography
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| rdfs:label |
Lithium tert-butoxide
, Tert-Butylate de lithium
, Трет-Бутилат лития
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