Gabriel Marc, A. Stana, A. Pîrnău
Oct 5, 2021
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Journal
Journal of Molecular Structure
Abstract
Abstract Thiazolidine-2,4‑dione represents a key heterocyclic core in medicinal chemistry because it has the ability to bind to a wide variety of protein targets and has been intensively studied for developing bioactive multitargeting agents. The N-alkylation of imides and O-alkylation of phenols are important reactions frequently used in the synthesis of biologically active compounds, like the thiazolidine-2,4‑dione derivatives. Based on literature data, by treating (Z)-5-(4-hydroxybenzylidene)-thiazolidine-2,4‑dione with alkyl halides in a 1:1 molar ratio, either O-alkylation or N-alkylation reactions can take place. Six (Z)-5-(4-hydroxybenzylidene)-thiazolidine-2,4‑dione derivatives were synthesized by alkylating (Z)-5-(4-hydroxybenzylidene)-thiazolidine-2,4‑dione with aliphatic halogenated derivatives in alkaline environment, using a 1:1 molar ratio and then were physically and spectrally analyzed. The spectral data and the results obtained from the theoretical evaluation of the parent compound's acidity support the formation of N-alkylated derivatives in the reaction conditions.