Sequential vinylcyclopropylcarbene and anionic oxy-cope rearrangements: An expedient synthesis of nine-membered rings
作者:James W. Herndon、Leonard A. McMullen、Charles E. Daitch
DOI:10.1016/s0040-4039(00)97672-x
日期:1990.1
5-Alkenyl-2-methoxy-2-cyclopentenones, readily available from thermolysis of 2-alkenylcyclopropylcarbene-chromium complexes, can be converted to nine-memberedrings by treatment with vinylcerium reagents and subsequent anionic oxy-Cope rearrangement.