Organocatalytic Asymmetric [3+ 2]-Annulations of γ-Sulfonamido/γ-Hydroxy-α, β-Unsaturated Ketones with Cyclic N-Sulfimines: Synthesis of Chiral Polyheterotricyclic Imidazolidines and Oxazolidines.
DOI Number:
10.1021/acs.joc.2c02634
Reaction Category:
MOP ID:
MOP_0000561
Educt:
substituted benzo[e][1,2,3]oxathiazine 2,2-dioxide, γ-NHTs-α,β-unsaturated ketones
Product:
functionalized polyheterotricyclic imidazolidine derivatives
Catalyst:
3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4- [(8α,9S)-cinchonan-9-ylamino]- 3-Cyclobutene-1,2-dione
Cas No:
1256245-86-9
Associated Product from Buchler GmbH:
Cinchonidine Base
Cas No:
485-71-2