Organo-catalyzed asymmetric cascade annulation reaction for the construction of bi-spirocyclic pyrazolone and oxindole derivatives.
DOI Number:
10.1039/D0QO00001A
Reaction Category:
Educt:
substituted oxindoles, substituted pyrazolones
Product:
bi-spirocyclic compounds
Catalyst:
N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea
Cas No:
852913-16-7
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0