Bioorganic and Medicinal Chemistry p. 3035 - 3042 (2016)
Update date:2022-09-26
Topics:
Kumar, Vathan
Tan, Kian-Pin
Wang, Ying-Ming
Lin, Sheng-Wei
Liang, Po-Huang
Severe acute respiratory syndrome (SARS) led to a life-threatening form of atypical pneumonia in late 2002. Following that, Middle East Respiratory Syndrome (MERS-CoV) has recently emerged, killing about 36% of patients infected globally, mainly in Saudi Arabia and South Korea. Based on a scaffold we reported for inhibiting neuraminidase (NA), we synthesized the analogues and identified compounds with low micromolar inhibitory activity against 3CLpro of SARS-CoV and MERS-CoV. Docking studies show that a carboxylate present at either R1 or R4 destabilizes the oxyanion hole in the 3CLpro. Interestingly, 3f, 3g and 3m could inhibit both NA and 3CLpro and serve as a starting point to develop broad-spectrum antiviral agents.
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