An unusual case of Khand-Pauson cyclization involving the participation of a conjugated double bond. A promising sequence for the assemblage of polycyclic framework

Article abstract of DOI:10.1016/S0040-4039(00)71249-4

A short and convergent route for the synthesis of polycyclic linearly and/or angularly fused compounds is proposed based on the intramolecular alkyne-alkene-carbonyl cycloaddition with participation of the double bond bearing an electron withdrawing group