Abstract
Cinchona alkaloid catalysts were used in the Michael addition reaction of 1,3-dicarbonyl compounds to β-fluoroalkyl-α-nitroalkenes for the first time. The catalytic system performed well over a broad scope of substrates including β-keto esters and 1,3-diketones with high diastereoselectivities and excellent enantioselectivities (up to 99% ee) under mild conditions. A wide range of useful fluorinated chiral building blocks was synthesized.
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