Organocatalytic Michael–Alkylation Cascade: The Enantioselective Nitrocyclopropanation of Oxindoles.
DOI Number:
10.1002/chem.201003423
Reaction Category:
Educt:
3-(substituted methylene) oxindoles, 1-bromo-1-nitroethane
Product:
spiro nitrocyclopropyl oxindoles
Catalyst:
N-[3,5-bis(trifluoromethyl)phenyl]-N′- [(8α,9S)-10,11-dihydro-6′-methoxy- cinchonan-9-yl]-Thiourea
Cas No:
852913-19-0
Associated Product from Buchler GmbH:
Dihydroquinine Base
Cas No:
522-66-7