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

Cas No:

130-95-0