主题词：Synthesis and Biological Evaluation; Synthesis and Characterization of Heterocyclic Compounds; Synthesis and biological activity; Synthesis and Reactions of Organic Compounds; Synthesis of heterocyclic compounds; Multicomponent Synthesis of Heterocycles; Synthesis and Reactivity of Heterocycles; Phenothiazines and Benzothiazines Synthesis and Activities; Quinazolinone synthesis and applications; Synthesis of Organic Compounds; Chemical Reaction Mechanisms; Chemical Synthesis and Analysis; Synthesis and Reactivity of Sulfur-Containing Compounds; Click Chemistry and Applications; Organic Chemistry Cycloaddition Reactions; Fluorine in Organic Chemistry; Structural and Chemical Analysis of Organic and Inorganic Compounds; Synthesis and pharmacology of benzodiazepine derivatives; Asymmetric Synthesis and Catalysis; Synthesis and Catalytic Reactions; Cancer therapeutics and mechanisms; Chemical synthesis and alkaloids; Oxidative Organic Chemistry Reactions; Bioactive Compounds and Antitumor Agents; Chemical Synthesis and Reactions