Synthesis of Cinchona Alkaloid Sulfonamide Polymers as Enantioselective Catalysts for the Michael Addition Reaction of β‐Ketoester and Nitrostyrene.
DOI Number:
10.1002/slct.201702010
Reaction Category:
RXNO ID:
RXNO_0000009
Educt:
substituted 2-oxocyclopentane-1-carboxylate, 4-substituted (E)-4-(2-nitrovinyl)benzene
Product:
4-substituted (S)-1-((R)-1-(phenyl)-2-nitroethyl)-2-oxocyclopentane-1-carboxylate
Catalyst:
Poly[sulfonyl-1,3-phenylenesulfonylamino[(8α,9S,10E)-cinchonan-9,11-diyl]-1,4-phenylene[(8α,9S,10E)-cinchonan-11,9-diyl]imino]
Cas No:
2092401-18-6
Associated Product from Buchler GmbH:
Cinchonidine Base
Cas No:
485-71-2