Total synthesis of (±)-β-chamigrene and (±)-laurencenone C via Ireland ester Claisen rearrangement and an intramolecular type II carbonyl ene reaction sequence
作者:A. Srikrishna、R. Ramesh Babu
DOI:10.1016/j.tet.2008.08.095
日期:2008.11
A combination of Ireland ester Claisen rearrangement and intramolecular type II carbonyl enereactions were exploited for the total synthesis of chamigrenes containing a quaternary carbon atom next to the spirocentre in spiro[5.5]undecane.