Asymmetric Synthesis of Trifluoromethyl Substituted Spiro [Indoline‐3,4′‐Pyrano [2,3‐c] Pyrazole] Derivatives with Organocatalysts.
DOI Number:
10.1002/slct.202304275
Reaction Category:
Educt:
2-phenyl-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one, substituted 2-(2-oxoindolin-3-ylidene)acetonitrile
Product:
spirocyclic compounds
Catalyst:
3-[(1,1-dimethylethyl)amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione
Cas No:
1610724-48-5
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0