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This book is part of a program which deals with the design and synthesis of some new indole derivatives of pharmaceutical importance. The work aims to: (1) Explore and develop a new methodology for the synthesis of some novel heterocyclic compounds (pyrazolopyrimidine, pyrazole, imidazopyrazole, pyrazolodiazepine, pyrazolotriazine, and pyrazolothiadiazine) bearing an indole ring system. (2) Studying the reaction mechanism and elucidating the structure of these compounds by spectral data. (3) Studying the biological activity of these compounds as antioxidant agents using the ABTS method.

Oxazolone moiety is the basic core of many synthetic and natural products that have remarkable biological performance. Accordingly, the current book aimed to report efficient and novel routes for the synthesis of a series of compounds containing pyrazolyl-imidazolone ring systems to assess their capacity as antioxidant agents. The book presented the different sections including an introduction to the synthesis, reactions, and biological activity of 2-oxazolin-5-one derivatives, in addition to results, discussion, experimental, and summary sections. Briefly,...