Hydrogen-Bond-Donor-Directed Switching of Enantioselectivity in the Vinylogous Aldol–Cyclization Cascade Reaction of Prostereogenic 3-Alkylidene Oxindoles with Isatins and o-Quinones.
DOI Number:
10.1021/acs.joc.1c02421
Reaction Category:
RXNO ID:
RXNO_0000016
Educt:
3-alkylidene oxindoles, isatins
Product:
spirocyclic indoles
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:
N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea
Cas No:
852913-16-7