Enantioselective Synthesis of Bispiro[indanedione-oxindole-cyclopropane]s through Organocatalytic [2+1] Cycloaddition.

DOI Number:

10.1021/acs.joc.2c01009
Link to literature

Reaction Category:

Cyclopropanation

Educt:

3-bromo-1-methylindolin-2-one, 2-benzylidene-1H-indene-1,3(2H)-dione

Product:

Bispiro[indanedione-oxindole-cyclopropane]

Catalyst:

3-[(3,5-dimethoxyphenyl)amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione

Cas No:

2579168-01-5

Associated Product from Buchler GmbH:

Quinine Base

Cas No:

130-95-0