Synthesis of Tetracyclic Benzazole–Condensed Quinazolinones through Triphenylbismuth Dichloride Assisted Cyclodesulfurization.

The given text consists of multiple articles and documents related to the synthesis and characterization of various compounds. These compounds have potential biological activities and are synthesized using different reactions and characterized using spectroscopic techniques. The articles provide detailed information on the synthesis methods, experimental conditions, and characterization data for each compound. The text also includes a graph that visually represents data on a specific topic, which can be helpful for researchers conducting further studies. [Extracted from the article]