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Beilstein J. Org. Chem. 2018, 14, 1901–1907, doi:10.3762/bjoc.14.164
Graphical Abstract
Scheme 1: Catalysts synthesized and screened in this study.
Scheme 2: Synthetic routes for organocatalysts 1–4.
Figure 1: Asymmetric Michael addition of acetylacetone with different nitroolefins catalyzed by organocatalys...
Scheme 3: Possible proposed reaction mechanism.