Asymmetric Weitz−Scheffer Epoxidation of Isoflavones with Hydroperoxides Mediated by Optically Active Phase-Transfer Catalysts.
DOI Number:
10.1021/jo0162078
Reaction Category:
MOP ID:
MOP_0000671
Educt:
2-substituted-7-methoxy-3-phenyl-4H-chromen-4-one, hydroperoxides
Product:
(1aR,7aS)-1a-substituted-4-methoxy-7a-phenyl-1a,7a-dihydro-7H-oxireno[2,3-b]chromen-7-one
Catalyst:
9-hydroxy-1-[[4-(trifluoromethyl)phenyl]methyl]-(9S)-Cinchonanium bromide
Cas No:
95088-20-3
Associated Product from Buchler GmbH:
Cinchonine Base
Cas No:
118-10-5