Stereocontrolled Synthesis of Bispirooxindole-Based Hexahydroxanthones with Five Contiguous Stereocenters.

DOI Number:

10.1021/acs.orglett.9b00139
Link to literature

Reaction Category:

Cascade reaction | Spirocyclization

Educt:

bifunctional oxindole–chromone synthons, methyleneindolinones

Product:

bispirooxindole-based hexahydroxanthones

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