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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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