Carotane sesquiterpenes fromFerula vesceritensis:in silicoanalysis as SARS-CoV-2 binding inhibitors

Tarik A. Mohamed, Abdelsamed I. Elshamy, Mahmoud A.A. Ibrahim, Ammar Zellagui, Mahmoud F. Moustafa, Alaa H.M. Abdelrahman, Shinji Ohta, Paul W. Pare, Mohamed Elamir F. Hegazy

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Two sesquiterpenes, 8α-anisate-dauc-4-ene-3,9-dione (webiol anisate) (1) and 10α-acetoxy-6α-benzoate-jaeschkeanadiol (2) as well as, ten known analogues (3-10), and two sesquiterpene coumarins (11-12) were isolated from an organic root extract ofFerula vesceritensis(Fam. Apiaceae). Chemical structures were elucidated based on IR, 1D- and 2D-NMR and HRMS, spectroscopic analyses. With molecular overlap observed between two protease inhibitors that are being examined as anti-COVID-19 drugs, and sesquiterpenes isolated here, metabolite molecular docking calculations were made using the main protease (Mpro), which is required for viral multiplication as well as RNA-dependent RNA polymerase (RdRp).In silicobinding-inhibition analysis predicted that selectF. vesceritensissesquiterpenes can bind to these enzymes required for viral replication. Structures of the isolated constituents were also consistent with the chemo-systematic grouping ofF. vesceritensissecondary metabolites with otherFerulaspecies.

Original languageEnglish
Pages (from-to)34541-34548
Number of pages8
JournalRSC Advances
Issue number57
StatePublished - Sep 18 2020


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