Model studies on total synthesis of the chartellines, spirocyclic β-lactam alkaloids from a marine bryozoan
作者:Xichen Lin、Steven M Weinreb
DOI:10.1016/s0040-4039(01)00270-2
日期:2001.4
A chartellinealkaloid model system containing a spirocyclic β-lactam moiety and α,β-unsaturated imine has been constructed from isatin using a Staudinger imine–ketene cycloaddition and an addition to an N-activated γ-lactam as key steps.