Benzo[b]heteroles containing heteroatoms other than nitrogen and oxygen have received considerable attention for their potential applications in materials science. This poses an increasing demand for efficient, selective, and broad-scope methods for their synthesis. This review article summarizes the recent developments in synthetic methods and approaches to access representative members of the benzoheterole family.
![Graphical abstract: Recent developments in synthetic methods for benzo[b]heteroles](http://hg.y866.cn/compound/lib/scimg/usr/1/C6OB00219F.jpg)