Reactions of α-haloallyllithium derivatives with carbon, silicon, tin or boron halides and carbonyl compounds
A series of allylic halides have been converted into their α-carbanions with strong lithium bases, using different techniques.These have been compared in their reaction with various electrophiles leading to functionally substituted allyl derivatives.The influence of the counterion on the regio- and stereoselectivity has been investigated. allylic halides / α-halocarbanions / allylsilanes / allyltin derivatives / α-chlorohydrins / vinylepoxides / diastereoselectivity
Julia, Marc,Verpeaux, Jean-Noel,Zahneisen, Thomas
p. 539 - 554
(2007/10/02)
ETUDE DE L'ALKYLATION D'ORGANOLITHIENS ALLYLIQUES MONOCHLORES: SYNTHESE EN UNE ETAPE DE CHLORURES ALLYLIQUES SECONDAIRES OU TERTIAIRES ET/OU DE CHLORURES VINYLIQUES DE CONFIGURATION Z
Chloroallyllithium and gem-chloro(methyl)allyllithium readily react with various alkylating reagents to produce, in a "one-pot" reaction, secundary or tertiary allylic chlorides and/or vinylic chlorides of Z configuration.
Mauze, B.,Ongoka, P.,Miginiac, L.
p. 1 - 8
(2007/10/02)
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