Synthesis of cinchona alkaloid squaramide polymers as bifunctional chiral organocatalysts for the enantioselective michael addition of β-ketoesters to nitroolefins.
DOI Number:
10.1016/j.mcat.2017.06.010
Reaction Category:
Educt:
methyl 2-oxocyclopentane-1-carboxylate, (E)-(2-nitrovinyl)benzene
Product:
methyl (R)-1-((S)-2-nitro-1-phenylethyl)-2-oxocyclopentane-1-carboxylate
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