Immobilization of an acid–base cooperative catalyst on MCM-41 as a heterogeneous approach for the asymmetric cyanoethoxycarbonylation of isatins.
DOI Number:
10.1039/C9NJ02515D
Reaction Category:
Educt:
isatins, ethyl carbonocyanidate
Product:
substituted (R)-3-cyano-2-oxoindolin-3-yl ethyl carbonate
Catalyst:
N-[(1S,2S)-2-[[[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]thioxomethyl]amino]-1,2-diphenylethyl]-3,5-bis(trifluoromethyl)-benzenesulfonamide linked to MCM-41
Cas No:
1295509-68-0
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0