Beilstein J. Org. Chem.2019,15, 1281–1288, doi:10.3762/bjoc.15.126
available starting materials including scaffold diversity. A small focused compound library of 23 Ugi products was created and screened for antibacterial activity.
Keywords: antibacterial activity; Doebner reaction; pyrazolo[3,4-b]pyridinecarboxylicacids; Ugi reaction; Introduction
Modern medicinal
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Graphical Abstract
Scheme 1:
An overview of heterocyclic acids used in the Ugi reaction.