In “Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives,” author Y√º-Gwan Chen embarks on a detailed chemical exploration of selenium-containing heterocycles, presenting a comprehensive synthesis of these compounds which hold significance in medicinal chemistry. Chen's rigorous methodology, accompanied by meticulous experimental data, showcases proficient use of advanced synthetic techniques and analytical methods. This work not only illuminates the structural properties of the synthesized compounds but also situates them within the broader literary context of heterocyclic chemistry, emphasizing their potential applications in drug development and materials science. Y√º-Gwan Chen's academic pursuits are deeply rooted in the intricate fields of organic and medicinal chemistry. Having contributed to numerous influential studies in chemical synthesis and characterization, Chen's expertise allows for innovative approaches in developing biologically active compounds. This background not only informs his experiments but also reflects a broader commitment to enhancing our understanding of how selenium can be functionally integrated into pharmaceuticals. I highly recommend this book to chemists, researchers, and advanced students keen on exploring the intersections of organic synthesis and medicinal applications. Chen'Äôs meticulous documentation and insightful analysis make it an essential addition to the library of anyone interested in the ever-evolving landscape of heterocyclic compounds.