Latest synthetic methods of six-membered selenium-containing heterocycles are reviewed.
Intramolecular homolytic substitution at selenium is an interesting methodology.
Selenium electrophiles are valuable reagents for construction of selenium-containing heterocycles.
Selenamides and isoselenocyanates are valuable building blocks for different selenazines.
Selenium-containing dyes are promising photosensitizers for photodynamic therapy (PDT).