Phase-Transfer-Catalyzed Asymmetric Synthesis of Chiral N-Substituted Pyrazoles by Aza-Michael Reaction.
DOI Number:
10.1002/ejoc.201500940
Reaction Category:
RXNO ID:
RXNO_0000009
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
Associated Product from Buchler GmbH:
Cupreine Base
Cas No:
524-63-0