Enantioselective trifluoromethylthiolation of 4-substituted pyrazolones catalyzed by amide-based phase transfer catalysts.

DOI Number:

10.1016/j.mcat.2023.113323

Reaction Category:

Educt:

substituted 2,4-dihydro-3H-pyrazol-3-one, 2-((trifluoromethyl)thio)benzo[d]isothiazol-3(2H)-one 1,1-dioxide

Product:

(R)-4-(3,5-dimethoxybenzyl)-2,5-diphenyl-4-((trifluoromethyl)thio)-2,4-dihydro-3H-pyrazol-3-one

Catalyst:

(9S)-9-hydroxy-6′-methoxy-1-[2-oxo-2-[(triphenylmethyl)amino]ethyl]-cinchonanium bromide

Cas No:

2937392-24-8

Cas No:

56-54-2