Cinchona Alkaloid‐Derived Thiourea‐Catalyzed Diastereo‐and Enantioselective [3+2] Cycloaddition Reaction of Isocyanoacetates to Isatins: A Facile Access to Optically Active Spirooxindole Oxazolines.
DOI Number:
10.1002/adsc.201300077
Reaction Category:
MOP ID:
MOP_0000715
Educt:
isatins, isocyanoacetates
Product:
substituted 4'H-spiro[indoline-3,5'-oxazol]-2-one
Catalyst:
N-[(1S,2S)-2-[[[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]thioxomethyl]amino]-1,2-diphenylethyl]-methanesulfonamide
Cas No:
1295509-72-6
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0