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Synthesis of SARS-CoV-2 Main Protease Inhibitors

Coronaviruses have been responsible for several global disease outbreaks over the last 20 years, including the “Severe Acute Respiratory Syndrome” in 2002/2003, the “Middle East Respiratory Syndrome” in 2012, and the “Coronavirus Disease of 2019 (COVID19)”. These viruses are highly contagious and can cause multiple medical disorders upon contraction, such as common cold or lower respiratory infections. SARS-CoV-2, the newly emerged coronavirus variant of 2019, has been confirmed as the cause of the ongoing COVID19 pandemic, which infected over 167 million people worldwide and, by the end of May 2021, has a death toll of over 3 million people. Even though several SARS-CoV-2 vaccines have made it to the market, no proven options have yet been discovered for treating COVID19 infections. The aim of this project is, therefore, to improve the potency of two active SARS-CoV-2 main protease (Mpro) inhibitors (ML188 and X77) by performing a structure-activity-relationship study where two specific sites of the inhibitors are altered. The inhibition activity of these compounds is then tested on isolated SARS-CoV-2 Mpro. The four-component Ugi reaction was utilized to synthesize the ML188 and X77 analogs, which were purified by column chromatography before testing. During this project, six pure analogs were successfully synthesized and will be sent shortly for testing. Inhibitors with good activity against SARS-CoV-2 Mpro will be further tested for their antiviral activity in cell-based infection assays. The results obtained from this study will later be used to perform a second structure-activity-relationship study to further improve the potency of the two inhibitors by developing a 2nd generation library.

Identiferoai:union.ndltd.org:UPSALLA1/oai:DiVA.org:uu-449953
Date January 2021
CreatorsElfström, Mia
PublisherUppsala universitet, Läkemedelsdesign och läkemedelsutveckling
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text
Formatapplication/pdf
Rightsinfo:eu-repo/semantics/openAccess

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