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:

N-[4-(trifluoromethyl)benzyl]-cinchoninium Bromide

Cas No:

95088-20-3

Associated Product from Buchler GmbH:

N-[4-(trifluoromethyl)benzyl]-cinchoninium Bromide

Cas No:

95088-20-3