Asymmetric [5+3] formal cycloadditions with cyclic enones through cascade dienamine–dienamine catalysis.
DOI Number:
10.1002/ange.201403753
Reaction Category:
Educt:
3-substituted cyclopent-2-en-1-one, substituted 3-vinylbenzo[d]isothiazole 1,1-dioxide
Product:
substituted (3R,3a'S,6a'S)-2',3',3a',6a'-tetrahydro-2H,4'H-spiro[benzo[d]isothiazole-3,1'-pentalen]-4'-one 1,1-dioxide
Catalyst:
(9R)-6′-methoxy-cinchonan-9-amine
Cas No:
287979-82-2
Associated Product from Buchler GmbH:
Quinidine Base
Cas No:
56-54-2