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Beilstein J. Org. Chem. 2021, 17, 2026–2027, doi:10.3762/bjoc.17.130
Beilstein J. Org. Chem. 2020, 16, 2862–2869, doi:10.3762/bjoc.16.235
Graphical Abstract
Scheme 1: The classical Hantzsch synthesis between benzaldehyde (1a), ethyl acetoacetate (2), and ammonium ac...
Figure 1: Optimization trials with the selected solid catalysts.
Figure 2: Graphical representation of the results obtained in the reusability test.