Highly enantio-and diastereoselective generation of two quaternary centers in spirocyclopropanation of oxindole derivatives.
DOI Number:
10.1002/chem.201203099
Reaction Category:
Educt:
oxindoles, α-chloro-β-diketones
Product:
substituted tert-butyl 2'-oxospiro[cyclopropane-1,3'-indoline]-1'-carboxylate
Catalyst:
N-[2,6-bis(1-methylethyl)phenyl]-N′-[(8α,9S)-10,11-dihydro-6′-methoxycinchonan-9-yl]-thiourea
Cas No:
1398566-78-3
Associated Product from Buchler GmbH:
Dihydroquinine Base
Cas No:
522-66-7