Rearrangement of homoallylic alcohols induced by DAST.
[reaction: see text] Treatment of beta,gamma-unsaturated monoprotected 1,2-diols with diethylaminosulfur trifluoride (DAST) allows the stereoselective formation of beta,gamma-unsaturated aldehydes in good yields and with a good transfer of chirality.
Canova
Sophie
S
Laboratoire de Chimie Organique, Associé au CNRS, Paris, France.
Bellosta
Véronique
V
Mignani
Serge
S
Bigot
Antony
A
Cossy
Janine
J