An unusual case of Khand-Pauson cyclization involving the participation of a conjugated double bond. A promising sequence for the assemblage of polycyclic framework
作者:A.L. Veretenov、W.A. Smit、L.G. Vorontsova、M.G. Kurella、R. Caple、A.S. Gybin
DOI:10.1016/s0040-4039(00)71249-4
日期:1991.5
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.
提出了一种基于分子内炔烃-烯烃-羰基环加成并带有带有吸电子基团的双键的合成多环线性和/或角度稠合化合物的短而收敛的路线。