A Cationic Driven Tandem Ring-Enlargement-Annulation Reaction for the Rapid Assembly of the cis-Fused Bicyclo[3.2.0]heptane Framework
作者:Bernhard Witulski、Uwe Bergsträßer、Matthias Gößmann
DOI:10.1016/s0040-4020(00)00391-4
日期:2000.6
The first intramolecular interception of a thionium cation generated through a cyclopropylcarbinyl-cyclobutyl ring expansion with an in situ formed enol is reported. (C) 2000 Published by Elsevier Science Ltd.