C2‐Symmetric Cinchona Alkaloid Derivatives: Versatile Catalysts for the Enantioselective C− C Bond Forming Conjugate Addition of Nucleophiles to Simple α, β‐Unsaturated Acyl Pyrazoles.
DOI Number:
10.1002/slct.202004505
Reaction Category:
RXNO ID:
RXNO_0000009
Educt:
α,β‐unsaturated acyl pyrazoles, benzyl 2-nitroacetate, hydrogen
Product:
(S)-4-nitro-3-phenyl-1-(1H-pyrazol-1-yl)butan-1-one
Catalyst:
3,4-Bis[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-cyclobutene-1,2-dione
Cas No:
1204591-48-9
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0