Intramolecular cationic cyclizations initiated by electrocyclic cleavage of cyclopropanes. Synthesis of trienic cyclopentane derivatives
作者:Paul G Gassman、Lushi Tan、Thomas R Hoye
DOI:10.1016/0040-4039(95)02213-9
日期:1996.1
The electrocyclic opening of dibromocyclopropane derivatives containing a tethered diene unit provides a good route to trieniccyclopentanederivatives. In one instance a bicyclic product arising from a fromal 4 + 2 cycloaddition process was observed.