An organocatalytic asymmetric double Michael cascade reaction of unsaturated ketones and unsaturated pyrazolones: highly efficient synthesis of spiropyrazolone derivatives.
DOI Number:
10.1039/C2OB27095A
Reaction Category:
Educt:
unsaturated pyrazolones, unsaturated ketones
Product:
susbtituted 4-methyl-2-phenyl-2,3-diazaspiro[4.5]dec-3-ene-1,8-dione
Catalyst:
(8α,9S)-6′-Methoxycinchonan-9-amine
Cas No:
168960-95-0
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0