Palladium catalysed synthesis of spiroindolines.
作者:Ronald Grigg、Paul Fretwell、Clive Meerholtz、Visuvanathar Sridharan
DOI:10.1016/s0040-4020(01)80760-2
日期:1994.1
A series of palladium catalysed consecutive bis(5-exo trig)-, 5-exo trig-6-exo trig-, and 5-exo trig-7-endo trig-cyclisations via an alkene relay onto benzene or a wide range of heterocycles (pyrrole, furan, thiophen, indole, pyridine, pyridones) generates 5,5-, 5,6- and 5,7-spiroindolines in good yield.