Rigidified Bis(sulfonyl)ethylenes as Effective Michael Acceptors for Asymmetric Catalysis: Application to the Enantioselective Synthesis of Quaternary Hydantoins.
DOI Number:
10.1021/acs.joc.2c02403
Reaction Category:
RXNO ID:
RXNO_0000009
Educt:
1-Benzoyl-1,5-dihydro-5-(phenylmethyl)-2-[(phenylmethyl)thio]-4H-imidazol-4-one, 2-Benzylidene-1,3-benzodithiole 1,1,3,3-tetroxide
Product:
(5S)-1-benzoyl-1,5-dihydro-5-(phenylmethyl)-2-[(phenylmethyl)thio]-5-[(R)-phenyl(1,1,3,3-tetraoxido-2H-1,3-benzodithiol-2-yl)methyl]-4H-Imidazol-4-one
Catalyst:
N-[3,5-Bis(trifluoromethyl)phenyl]-3-[[2-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3,4-dioxo-1-cyclobuten-1-yl]amino]-5-(trifluoromethyl)benzamide
Cas No:
2071700-89-3
Associated Product from Buchler GmbH:
Quinine Base
Cas No:
130-95-0