Asymmetric organocatalytic direct Mannich reaction of acetylacetone and isatin derived ketimines: Low catalyst loading in chiral cinchona-squaramides.
DOI Number:
10.1016/j.tetlet.2017.12.081
Reaction Category:
RXNO ID:
RXNO_0000032
Educt:
isatin derived ketimines, acetylacetone
Product:
substituted (S)-(3-(2,4-dioxopentan-3-yl)-2-oxoindolin-3-yl)carbamate
Catalyst:
3-[[(8α,9S)-6′-Methoxycinchonan-9-yl]amino]-4-(tricyclo[3.3.1.13,7]dec-2-ylamino)-3-cyclobutene-1,2-dione
Cas No:
1877237-86-9
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0