Novel N-(2-Methoxydibenzofuran-3-yl)-2-aryloxyacetamide Derivatives: Synthesis and Biological Investigation

(E-pub Ahead of Print)

Author(s): Leyla Yurttaş*, Betül Kaya Çavuşoğlu, Halide Edip Temel, Gülşen Akalın Çiftçi

Journal Name: Letters in Drug Design & Discovery

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Abstract:

Background: Dibenzofuran ring is a typical heterocyle which is found in many natural sources and its derivatives exhibit a wide scale of biological applications similar to its analog ring systems; furan and benzofuran.

Methods: Novel N-(2-methoxydibenzofuran-3-yl)-2-aryloxyacetamide derivatives (2a-l) were synthesized and evaluated for their cytotoxic activity against A549 lung cancer and NIH/3T3 mouse embryofibroblast cell lines. The inhibition percentages of cathepsin D, L, acetylcholinesterase (AChE) and butrylcholinesterase (BuChE) enzymes provoked by the compounds were also determined.

Results and Discussion: Most of the compounds exhibited significant cytotoxicity whose IC50 values were identified lower than the tested lowest concentration (<3.90 µg/mL). Compounds 2i against cathepsin D and compound 2k against cathepsin L displayed the highest inhibitory activity. Regrettably, the compounds demonstrated very weak AChE and BuChE inhibition.

Conclusion: Compounds 2b, 2c, 2e, 2i and 2k exhibited the highest antiproliferative activity against A549 cell lines with selective profile. However, they did not display satisfying results on tested enzymes.

Keywords: Dibenzofuran, usnic acid, cytotoxicity, cathepsin inhibition, anticholinesterase activity, selectivity.

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Article Details

(E-pub Ahead of Print)
DOI: 10.2174/1570180817999201110114107
Price: $95

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