DABCO-promoted highly diastereo-and regioselective construction of C-3 functionalized spirooxindoles via [3+ 2] cycloaddition of 2-aryl/heteroarylidene-1 H-indene-1, 3 (2 H)-diones with N-2, 2, 2-trifluoroethylisatin ketimines at ambient conditions.
DOI Number:
10.1039/D2RA07141J
Reaction Category:
MOP ID:
MOP_0000715
Educt:
(E)-1-methyl-3-((2,2,2-trifluoroethyl)imino)indolin-2-one, substituted 2-benzylidene-1H-indene-1,3(2H)-dione
Product:
(2'R,4'S,5'S)-1''-methyl-4'-phenyl-5'-(trifluoromethyl)dispiro[indene-2,3'-pyrrolidine-2',3''-indoline]-1,2'',3-trione
Catalyst:
Quinine Base
Cas No:
130-95-0
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0