We describe structure-based design, synthesis, and biological evaluation of a series of novel inhibitors bearing a pyrazole (compounds 3a-h) or a thiazole moiety (compounds 4a-e) as the P3 ligand. We have also explored Boc-β-amino-l-alanine as a novel P2 ligand. A number of inhibitors have displayed β-secretase inhibitory potency. Inhibitor 4c has shown potent BACE1 inhibitory activity, K<inf>i</inf> = 0.25 nM, cellular EC<inf>50</inf> of 194 nM, and displayed good selectivity over BACE2. A model of 4c was created based upon the X-ray structure of 2-bound β-secretase which revealed critical interactions in the active site.
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|Titolo:||Structure-based design, synthesis and biological evaluation of novel β-secretase inhibitors containing a pyrazole or thiazole moiety as the P3 ligand|
|Appare nelle tipologie:||1.1 Articolo in rivista|
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