Vicinal All‐Carbon Quaternary Stereocenter Construction with Trifluoromethyl Groups via Organocatalytic Asymmetric Cascade Michael/Michael Reaction.
DOI Number:
10.1002/asia.202300931
Reaction Category:
RXNO ID:
RXNO_0000009
Educt:
oxindoles, N-protected (E)-3-benzylidenepyrrolidine-2,5-dione
Product:
N-protected ethyl (3aS,4R,5S,6R,6aS)-1,2',3-trioxo-6-phenyl-4-(trifluoromethyl)-2,3,3a,4,6,6a-hexahydro-1H-spiro[cyclopenta[c]pyrrole-5,3'-indoline]-4-carboxylate
Catalyst:
N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea
Cas No:
852913-16-7
Associated Product from Buchler GmbH:
N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea
Cas No:
852913-16-7