Bifuctional amino-squaramides catalyzed asymmetric spiroannulation cascades with aliphatic β, γ-unsaturated α-keto esters: controlling an aldehyde enolate.
DOI Number:
10.1021/jo202633c
Reaction Category:
RXNO ID:
RXNO_0000009
Educt:
2-oxocyclohexane-1-carbaldehyde, aliphatic beta,gamma-unsaturated α-keto esters
Product:
substituted (6R)-1,7-dioxo-2-oxaspiro[5.5]undecane-3-carboxylate
Catalyst:
3-[[[3,5-bis(trifluoromethyl)phenyl]methyl]amino]-4-[[(9R)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione
Cas No:
1362169-08-1
Associated Product from Buchler GmbH:
Quinidine Base
Cas No:
56-54-2