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|Title:||Asymmetric Michael addition mediated by novel cinchona alkaloid-derived bifunctional catalysts containing sulfonamides||Authors:||Luo, J.
|Issue Date:||15-Jan-2009||Citation:||Luo, J., Xu, L.-W., Hay, R.A.S., Lu, Y. (2009-01-15). Asymmetric Michael addition mediated by novel cinchona alkaloid-derived bifunctional catalysts containing sulfonamides. Organic Letters 11 (2) : 437-440. ScholarBank@NUS Repository. https://doi.org/10.1021/ol802486m||Abstract:||(Chemical Equation Presented) Novel cinchona alkaloid-derived bifunctional organocatalysts containing sulfonamide groups were utilized to promote Michael addition of bicyclic α-substituted β-ketoesters to nitroolefins. The desired Michael adducts with all-carbon quaternary centers were constructed In high yield and with excellent enantioselectivity, demonstrating the great potential of cinchona alkaloid-derived sulfonamides in asymmetric catalysis. © 2009 American Chemical Society.||Source Title:||Organic Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/52802||ISSN:||15237060||DOI:||10.1021/ol802486m|
|Appears in Collections:||Staff Publications|
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