主题词：Synthesis and biological activity; Multicomponent Synthesis of Heterocycles; Synthesis and Characterization of Heterocyclic Compounds; Chemical Synthesis and Reactions; Synthesis and Biological Evaluation; Synthesis of Organic Compounds; Chemical Synthesis and Analysis; Synthesis and Reactivity of Sulfur-Containing Compounds; Synthesis and Reactions of Organic Compounds; Computational Drug Discovery Methods; Click Chemistry and Applications; Inorganic and Organometallic Chemistry; Synthesis of heterocyclic compounds; Organophosphorus compounds synthesis; Quinazolinone synthesis and applications; Synthesis of Indole Derivatives; Synthesis and Reactivity of Heterocycles; Synthesis of Tetrazole Derivatives; Phenothiazines and Benzothiazines Synthesis and Activities; Carbohydrate Chemistry and Synthesis; Analytical Chemistry and Chromatography; Oxidative Organic Chemistry Reactions; Microwave-Assisted Synthesis and Applications; Free Radicals and Antioxidants; Metal complexes synthesis and properties