Abstract
We report the synthesis of a new series of γ-aminobutyric acid (GABA) analogues as possible GABA-AT inhibitors, where the nitrogen at the Ƴ-position is contained in a 1,5-disubstituted-1,2,3-triazole ring system. The triazole ring system was assembled by the Ru(I)-catalyzed alkyne-azide 1,3-dipolar cycloaddition (RuACC) protocol. GABA-AT inhibition activity was predicted by means of a QSAR model that was constructed in this work. Different molecular descriptors families were employed for its construction, like steric type (Wap and PW5), solubility type (ΔPSA), and electronic type (ΔTriazole3). Additionally, a similarity analysis based on the electronic profile of 1,5-triazole and 1,4-triazole GABA analogues was done to support the QSAR predictions. Finally, the three best candidates were biologically tested as Pseudomonas fluorescens GABA-AT inhibitors showing an inhibition percent compared to FDA approved inhibitors.
Published Version
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