Efficient construction of chiral spiro [benzo [g] chromene-oxindole] derivatives via organocatalytic asymmetric cascade cyclization.
DOI Number:
10.1055/s-0033-1341061
Reaction Category:
RXNO ID:
RXNO_0000009
Educt:
substituted 2-(2-oxoindolin-3-ylidene)malononitrile, 7-substituted 2-hydroxynaphthalene-1,4-dione
Product:
spirooxindoles
Catalyst:
N-[3,5-bis(trifluoromethyl)phenyl]-N′- [(9R)-10,11-dihydro-6′-methoxy cinchonan-9-yl]-thiourea
Cas No:
871334-35-9
Associated Product from Buchler GmbH:
Dihydroquinidine Base
Cas No:
1435-55-8