Asymmetric Sequential Michael Addition and Cyclization Reactions of 2-(2-Nitrovinyl)phenols Catalyzed by Bifunctional Amino-Squaramides.

DOI Number:

10.1055/s-0040-1719843

Reaction Category:

Educt:

(E)-2-(2-nitrovinyl)phenol, methyl 2-oxocyclopentane-1-carboxylate

Product:

(3S,4R)-4-(nitromethyl)spiro[chromane-3,1'-cyclopentane]-2,2'-dione

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

Cas No:

130-95-0