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Urea‐ and Thiourea‐Substituted Cinchona Alkaloid Derivatives as Highly Efficient Bifunctional Organocatalysts for the Asymmetric Addition of Malonate to Nitroalkenes: Inversion of Configuration at C9 Dramatically Improves Catalyst Performance. |
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| Authors: | Sé amus H. McCooey,Stephen J. Connon |
| Abstract: | |
| Keywords: | Asymmetrische Katalyse Cinchona‐Alkaloide Harnstoffe Michael‐Additionen Organokatalyse |