INTRAMOLECULAR Cα- AND Cγ-ALKYLATIONS OF TERTIARY ENAMINONES. FACILE ROUTES TO FUNCTIONALIZED INDOLE RING SYSTEMS
作者:Hideo Iida、Yoshifumi Yuasa、Chihiro Kibayashi
DOI:10.1246/cl.1981.475
日期:1981.4.5
Under the suitably controlled conditions, the tertiary enaminones undergo intramolecular ring formation at Cα and Cγ to give 1-(2-bromo-4,5-methylenedioxybenzyl) tetra (or hexa)hydro-4(or 6)-oxoindoles which can serve as potential precursors to lycoranes.