An organocatalytic domino Michael-alkylation reaction: highly enantioselective construction of spiro-cyclopentanoneoxindoles and tetronic acid scaffolds.
DOI Number:
10.1039/C4CC05207B
Reaction Category:
MOP ID:
MOP_0000561
Educt:
methyleneindolinones, gamma-halogenated-beta-ketoesters
Product:
spiro-cyclopentanoneoxindoles
Catalyst:
N-[3,5-Bis(trifluoromethyl)phenyl]- N′-(8α,9S)-cinchonan-9-ylthiourea
Cas No:
890044-38-9
Associated Product from Buchler GmbH:
Cinchonidine Base
Cas No:
485-71-2