Spiroketals: a total synthesis of (±)-talaromycin B via a stereoselective cation-olefin cyclisation step
作者:I.Trevor Kay、David Bartholomew
DOI:10.1016/s0040-4039(01)90106-6
日期:1984.1
catalysed rearrangement of an acetal derived from 2-hydroxymethyl-3-butene-l-ol proceeding via an intramolecular cation-olefin cyclisation provides access to a 4-hydroxytetrahydropyran and thence to (±)-talaromycin B.