Please use this identifier to cite or link to this item: https://doi.org/10.1021/ol802486m
Title: Asymmetric Michael addition mediated by novel cinchona alkaloid-derived bifunctional catalysts containing sulfonamides
Authors: Luo, J.
Xu, L.-W. 
Hay, R.A.S.
Lu, Y. 
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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