Abstract
AbstractThe trifluoromethylthio group is significant in drug design for its high stability, electronegativity, and lipophilicity. Herein, a series of indenone structures containing the SCF3 group and an adjacent chiral quaternary stereocenter were synthesized by an asymmetric Michael addition reaction using an ion pair catalyst derived from amino acids. The desired products were obtained in excellent yields (up to 98%) and good to high stereoselectivities (up to 97% ee and >20:1 dr).magnified image
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