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Updated: Jun 23, 2025

Functionalized Spirocyclic Heterocycle Synthesis and Cytotoxicity Assay
Published on: February 9, 2021
Recent advances on anticancer and antimicrobial activities of directly-fluorinated five-membered heterocycles and
Ashraf A Abbas1, Thoraya A Farghaly1,2, Kamal M Dawood1
1Department of Chemistry, Faculty of Science, Cairo University Giza 12613 Egypt kmdawood@sci.cu.edu.eg +202 35727556.
Abstract:
Due to the importance of the fluorinated heterocycles as main components of marketed drugs where 20% of the anticancer and antibiotic drugs contain fluorine atoms, this review describes the reported five-membered heterocycles and their benzo-fused systems having directly connected fluorine atom(s). The in vivo and in vitro anticancer and antimicrobial activities of these fluorinated heterocycles are well reported. Some fluorinated heterocycles were found to be lead structures for drug design developments where their activities were almost equal to or exceeded the potency of the reference drugs. In most cases, the fluorine-containing heterocycles showed promising safety index via their reduced cytotoxicity in non-cancerous cell lines. SAR study assigned that fluorinated heterocycles having various electron-donating or electron-withdrawing substituents significantly affected the anticancer and antimicrobial activities.
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