Lewis acid- and Bronsted acid-catalyzed stereoselective rearrangement of epoxides derived from himachalenes: access to new chiral polycyclic structures
作者:Abderrahim El Haib、Ahmed Benharref、Sandra Parrès-Maynadié、Eric Manoury、Martine Urrutigoïty、Maryse Gouygou
DOI:10.1016/j.tetasy.2010.12.013
日期:2011.1
The acid-catalyzedrearrangement of two enantiomerically pure epoxides derived from sesquiterpernic himachalenes, which are the main components of the essential oil of the Atlas cedar, has been studied using various Lewis and Bronsted acids. Several new polycyclic compounds have been obtained with different selectivities depending upon the catalysts used and the reaction conditions, and were fully