Abstract
AbstractA highly predictive model to correlate the steric and electronic parameters of tertiary amine thiourea catalysts with the stereoselectivity of Michael reactions of 3‐substituted benzofuranones and alkyl 2‐phthalimidoacrylates is described. As predicted, new 3,5‐bis(trifluoromethyl)benzyl‐ and methyl‐substituted tertiary amine thioureas turned out to be highly suitable catalysts for this reaction and enabled the synthesis of enantioenriched α‐amino acid derivatives with 1,3‐nonadjacent stereogenic centers.
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