Squaramide-catalyzed domino Michael/aza-Henry [3+2] cycloaddition: asymmetric synthesis of functionalized 5-trifluoromethyl and 3-nitro substituted pyrrolidines.

DOI Number:

10.1039/C7QO00161D

Reaction Category:

RXNO ID:

RXNO_0000009

Educt:

diethyl 2-((2,2,2-trifluoroethyl)imino)malonate, nitroalkenes

Product:

4-substituted diethyl (3R,5R)-3-nitro-5-(trifluoromethyl)pyrrolidine-2,2-dicarboxylate

Catalyst:

3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione

Cas No:

1256245-84-7

Associated Product from Buchler GmbH:

3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione

Cas No:

1256245-84-7