SYNTHESE DE COMPOSES DIHYDRO-2,3 FURANNIQUES PAR HYDROBORATION D'ALCOOLS β-ACETYLENIQUES
Hydroboration of β acetylenic alcohols followed by NaOH/H2O2 oxidation leads to hemiacetals of γ aldols which are easily dehydrated to 2,3-dihydrofuran compounds.The reaction gives good yields with hindered alcohols and its stereochemistry may be controlled during the organometallic synthesis of the starting alcohol.
Dana, Gilbert,Figadere, Bruno,Touboul, Estera
p. 5683 - 5684
(2007/10/02)
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