Highly Enantioselective Construction of Spiro[4H-pyran-3,3′-oxindoles] Through a Domino Knoevenagel/Michael/Cyclization Sequence Catalyzed by Cupreine.
DOI Number:
10.1021/ol1009224
Reaction Category:
Educt:
indoline-2,3-diones, malononitrile, beta-diketones
Product:
Spiro[4H-pyran-3,3′-oxindoles]
Catalyst:
Cupreine Base
Cas No:
524-63-0
Associated Product from Buchler GmbH:
Cupreine Base
Cas No:
524-63-0