Quinine-catalyzed asymmetric domino Michael-cyclization reaction for the synthesis of spirocyclic oxindoles bearing two spiro quaternary centers and three consecutive stereocenters.
DOI Number:
10.1016/j.tet.2014.01.036
Reaction Category:
Educt:
3-isothiocyanato oxindoles, unsaturated pyrazolones
Product:
spirocyclic oxindoles
Catalyst:
Quinine Base
Cas No:
130-95-0
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0