Highly Enantioselective Michael Reactions Catalyzed by a Chiral Quaternary Ammonium Salt. Illustration by Asymmetric Syntheses of (S)-Ornithine and Chiral 2-Cyclohexenones.
DOI Number:
10.1021/ol0056527
Reaction Category:
Educt:
(E)-1-(4-methoxyphenyl)-3-phenylprop-2-en-1-one, acetophenone
Product:
(S)-1-(4-methoxyphenyl)-3,5-diphenylpentane-1,5-dione
Catalyst:
(8α,9R)-1-(9-anthracenylmethyl)-10,11-dihydro-9-hydroxy-Cinchonanium bromide
Cas No:
221303-41-9
Associated Product from Buchler GmbH:
Dihydrocinchonidine Base
Cas No:
485-64-3