Concise construction of the tetracyclic core of lycorine-type alkaloids and the formal synthesis of α-lycorane based on asymmetric bifunctional thioureacatalyzed cascade reaction.
DOI Number:
10.1039/C2OB26422F
Reaction Category:
MOP ID:
MOP_0000561
Educt:
(E)-5-(2-nitrovinyl)benzo[d][1,3]dioxole, 1,1-diethyl 5-methyl (E)-pent-4-ene-1,1,5-tricarboxylate
Product:
diethyl (2R,3R,4S)-2-(benzo[d][1,3]dioxol-5-yl)-4-(2-methoxy-2-oxoethyl)-3-nitrocyclohexane-1,1-dicarboxylate
Catalyst:
N-(3,5-Dimethylphenyl)-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea
Cas No:
1408234-40-1
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0