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  • Title: Antioxidant and acetylcholinesterase inhibition properties of novel bromophenol derivatives.
    Author: Öztaşkın N, Çetinkaya Y, Taslimi P, Göksu S, Gülçin İ.
    Journal: Bioorg Chem; 2015 Jun; 60():49-57. PubMed ID: 25956827.
    Abstract:
    In this study, series of novel bromophenol derivatives were synthesized and investigated for their antioxidant and AChE inhibition properties. Novel brominated diarylmethanones were obtained from the acylation reactions of benzoic acids with substituted benzenes. One of the bromodiarylmethanone was synthesized from the bromination of diarylmethanone with molecular bromine. All diarylmethanones were converted into their bromophenol derivatives with BBr3. The antioxidant activities of all synthesized compounds were elucidated by using various bioanalytical assays. Radical scavenging activities of compounds 10-24 were evaluated by means of DPPH and ABTS(+) scavenging activities. In addition, reducing ability of 10-24 were determined by Fe(3+), Cu(2+), and [Fe(3+)-(TPTZ)2](3) reducing activities. α-Tocopherol, trolox, BHA, and BHT were used as positive antioxidant and radical scavenger molecules. On the other hand, IC50 values were calculated for DPPH, ABTS(+) scavenging, and AChE inhibition effects of novel compounds. The results obtained from the current studies clearly show that novel bromophenol derivatives 20-24 have considerable antioxidant, antiradical, and AChE inhibition effects.
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