Cinchona-Alkaloid-Catalyzed Enantioselective Direct Aldol-Type Reaction of Oxindoles with Ethyl Trifluoropyruvate.

DOI Number:

10.1002/anie.200703317

Reaction Category:

RXNO ID:

RXNO_0000016

Educt:

oxindoles, ethyl trifluoropyruvate

Product:

ethyl 2-(5-substituted-3-substituted-2-oxoindolin-3-yl)-3,3,3-trifluoro-2-hydroxypropanoate

Catalyst:

(8α,9R)-(8′′α,9′′R)-9,9′′-[1,4-Phthalazinediylbis(oxy)]bis[10,11-dihydro-6′-methoxycinchonan] ((DHQ)2PHAL

Cas No:

140924-50-1

Associated Product from Buchler GmbH:

1,4-Bis(9-O-dihydroquininyl)phthalazine ((DHQ)2PHAL

Cas No:

140924-50-1