Intramolecular [3 + 4] cycloaddition in substituted dispiro[2,3,x]alkanes. A new pathway to polycyclic olefins containing cycloheptene
作者:Shalom Sarel、Avraham Felzenstein、Joseph Yovell
DOI:10.1039/c39740000753
日期:——
A novel cycloreaction involving intramolecular addition of cyclopropane to a tetrasubstituted cyclobutane contained in a dispiro-system to form a seven-membered ring is described.