Ring-closing metathesis as a tool for the efficient preparation of chiral spirocyclic ethers from homoallylic alcohols
作者:Sara Rosenberg、Reko Leino
DOI:10.1016/j.tetlet.2009.06.136
日期:2009.9
The preparation of chiral spirocyclic ethers via allylic etherification/olefin metathesis of homoallylic alcohols is investigated. This reaction sequence transforms the enantiopure substrate alcohols, synthesized by a one-pot asymmetricrhodium-catalyzedconjugateaddition/metal-mediated allylation procedure, into the desired spiro ethers with full conversions and in excellent isolated yields. The