European Journal of Medicinal Chemistry p. 91 - 104 (2015)
Update date:2022-08-04
Topics:
Wang, Mei-Yan
Jin, Yuan-Yuan
Wei, Hui-Yu
Zhang, Li-Song
Sun, Su-Xia
Chen, Xiu-Bo
Dong, Wei-Li
Xu, Wei-Ren
Cheng, Xian-Chao
Wang, Run-Ling
Protein tyrosine phosphatase 1B (PTP1B) plays a vital role in the regulation of insulin sensitivity and dephosphorylation of the insulin receptor, so PTP1B inhibitors may be potential agents to treat type 2 diabetes. In this work, a series of novel imidazolidine-2,4-dione derivatives were designed, synthesized and assayed for their PTP1B inhibitory activities. These compounds exhibited potent activities with IC50 values at 0.57-172 μM. A 3D-QSAR study using CoMFA and CoMSIA techniques was carried out to explore structure activity relationship of these molecules. The CoMSIA model was more predictive with q2 Combining double low line 0.777, r2 Combining double low line 0.999, SEE Combining double low line 0.013 and r2pred Combining double low line 0.836, while the CoMFA model gave q2 Combining double low line 0.543, r2 Combining double low line 0.998, SEE Combining double low line 0.029 and r2pred Combining double low line 0.754. The contour maps derived from the best CoMFA and CoMSIA models combined with docking analysis provided good insights into the structural features relevant to the bioactivity, and could be used in the molecular design of novel imidazolidine-2,4-dione derivatives.
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