Stereocontrolled construction of six vicinal stereogenic centers on a hexahydroxanthone framework through a formal [2+1+3] annulation.
DOI Number:
10.1039/C9CC08101A
Reaction Category:
Educt:
substituted tert-butyl (E)-2-(2-oxoindolin-3-ylidene)acetate, substituted 4-oxo-4H-chromene-3-carbaldehyde, nitromethane
Product:
spirocyclic compound
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:
Quinine Base
Cas No:
130-95-0