Recyclable organocatalyst-promoted one-pot Michael/aza-Henry/lactamization reactions for fluorinated 2-piperidinones bearing four stereogenic centres.

DOI Number:

10.1039/C5RA15306A

Reaction Category:

RXNO ID:

RXNO_0000235

Educt:

diethyl 2-fluoromalonate, (E)-(2-nitrovinyl)benzene, 4-bromobenzaldehyde, ammonium acetate

Product:

ethyl (3S,4S,5S,6R)-6-(4-bromophenyl)-3-fluoro-5-nitro-2-oxo-4-phenylpiperidine-3-carboxylate

Catalyst:

N-[(8α,9S)-10,11-dihydro-6′-methoxycinchonan-9-yl]-N′-[4-(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctyl)phenyl]-thiourea

Cas No:

1456767-79-5

Cas No:

522-66-7