Chiral Squaramide-Catalyzed Enantioselective Decarboxylative Addition of β-Keto Acids to Isatin Imines.
DOI Number:
10.1002/adsc.201700011
Reaction Category:
RXNO ID:
RXNO_0000032
Educt:
benzoylacetic acid, tert-butyl (E)-(1-benzyl-2-oxoindolin-3-ylidene)carbamate
Product:
tert-butyl (S)-(1-benzyl-2-oxo-3-(2-oxo-2-phenylethyl)indolin-3-yl)carbamate
Catalyst:
3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione
Cas No:
1256245-84-7
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0