主题词：Synthesis and biological activity; Computational Drug Discovery Methods; Synthesis and Characterization of Heterocyclic Compounds; Click Chemistry and Applications; Chemical Synthesis and Analysis; Synthesis and Biological Evaluation; Synthesis and Reactions of Organic Compounds; Cancer therapeutics and mechanisms; Phenothiazines and Benzothiazines Synthesis and Activities; Cholinesterase and Neurodegenerative Diseases; Multicomponent Synthesis of Heterocycles; Chemical Reaction Mechanisms; Synthesis of Organic Compounds; Synthesis of heterocyclic compounds; Diverse Scientific and Economic Studies; Quinazolinone synthesis and applications; Bioactive Compounds and Antitumor Agents; Enzyme function and inhibition; Cancer Mechanisms and Therapy; HIV/AIDS drug development and treatment; Pharmacological Effects of Natural Compounds; 14-3-3 protein interactions; Natural Antidiabetic Agents Studies; Estrogen and related hormone effects; Free Radicals and Antioxidants