A novel method for the synthesis of functionalized spirocyclic oxindoles by one-pot tandem reaction of vinyl malononitriles with isatylidene malononitriles
作者:Thelagathoti Hari Babu、A. Abragam Joseph、D. Muralidharan、Paramasivan T. Perumal
DOI:10.1016/j.tetlet.2009.12.082
日期:2010.2
One-pot synthesis of novel spirocyclicoxindoles was achieved via vinylogous Michael addition of vinyl malononitriles on isatin–malononitrile adducts as the keystep followed by a sequential tandem reaction.