Chiral squaramide-catalyzed asymmetric synthesis of pyranones and pyranonaphthoquinones via cascade reactions of 1, 3-dicarbonyls with Morita–Baylis–Hillman acetates of nitroalkenes.
DOI Number:
10.1039/C4CC02279C
Reaction Category:
Educt:
α,β-unsaturated-β-hydroxyketones, nitroalkenes
Product:
substituted dihydropyrane
Catalyst:
3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione
Cas No:
1256245-84-7
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0