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Discovery of thiazolyl-phthalazinone acetamides as potent glucose uptake activators via high-throughput screening
Madhavi Agrawal1, Prashant Kharkar, Sonali Moghe
1Department of Medicinal Chemistry, Piramal Enterprises Limited, 1, Nirlon Complex, Goregaon (E), Mumbai, India.
Abstract:
With the aim to discover orally active small molecules that stimulate glucose uptake, high throughput screening of a library of 5000 drug-like compounds was conducted in differentiated skeletal muscle cells in presence of insulin. N-Substituted phthalazinone acetamide was identified as a potential glucose uptake modulator. Several novel derivatives were synthesized to establish structure activity relationships. Identified lead thiazolyl-phthalazinone acetamide (7114863) increased glucose uptake (EC50 of 0.07±0.02 μM) in differentiated skeletal muscle cells in presence of insulin. Furthermore, 7114863 was superior to rosiglitazone under similar experimental conditions without inducing PPAR-γ agonist activity thus making it a very interesting scaffold.
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