Discovery of ABT-957: 1-Benzyl-5-oxopyrrolidine-2-carboxamides as selective calpain inhibitors with enhanced metabolic stability
摘要:
Aberrant activation of calpain has been observed in various pathophysiological disorders including neurode-generative diseases such as Alzheimer's Disease. Here we describe our efforts on ketoamide-based 1-benzyl-5-oxopyrrolidine-2-carboxamides as a novel series of highly selective calpain inhibitors mitigating the metabolic liability of carbonyl reduction. The most advanced compound from this new series, namely A-1212805 (ABT-957, Alicapistat) proceeded to clinical phase I studies.
Discovery of Novel and Highly Selective Inhibitors of Calpain for the Treatment of Alzheimer’s Disease: 2-(3-Phenyl-1<i>H</i>-pyrazol-1-yl)-nicotinamides
ischemia/reperfusion injury, cataract formation, and neurodegenerative diseases such as Alzheimer’sdisease (AD). Herein we describe our efforts leading to the identification of ketoamide-based 2-(3-phenyl-1H-pyrazol-1-yl)nicotinamides as potent and reversible inhibitors of calpain with high selectivity versus related cysteine protease cathepsins, other proteases, and receptors. Broad efficacy in a set of preclinical