Phase-Transfer-Catalyzed Asymmetric Synthesis of Chiral N-Substituted Pyrazoles by Aza-Michael Reaction.

DOI Number:

10.1002/ejoc.201500940

Reaction Category:

Educt:

1H-pyrazole, (E)-1-phenylbut-2-en-1-one

Product:

(R)-1-phenyl-3-(1H-pyrazol-1-yl)butan-1-one

Catalyst:

(8α,9S)-1-[[3,5-bis(trifluoromethyl)phenyl]methyl]-9-hydroxy-6′-(1-methylethoxy)-Cinchonanium bromide

Cas No:

1808247-00-8

Cas No:

524-63-0