September 17, 2025Journal of Heterocyclic Chemistry2 citations

Recent Advances in the Chemistry of Selenopheno2,3‐b &3,4‐b&3,4‐cselenophenes and Their Analogues

EEEman Ramadan ElsharkawyNorthern Border University HAHanan I. AlthagbiUniversity of Jeddah MSMohamed A. SalemKafrelsheikh University

Key Points

Distinct structural types of selenopheno compounds have been identified, indicating a rich area for future research.
Five unique types of condensed selenophenes have been noted, emphasizing the diversity of potential applications.
Synthesis methods such as selenation reactions and various coupling reactions illustrate the complexity and versatility of these compounds.
Targeted studies on these distinct selenopheno structures could lead to significant advancements in material science.

Abstract

ABSTRACT The fusion of two selenophene ring systems results in five distinct structural types: condensed selenopheno2,3‐ b selenophene, selenopheno3,4‐ b selenophene, 1 H ,4 H ‐selenopheno3,4‐ c selenophene, 1 H ,3 H ‐selenopheno3,4‐ c selenophene, and selenopheno3,2‐ b selenophene. Despite their potential, no dedicated studies have exclusively explored this scaffold, which has primarily been employed as a versatile building block across various applications. The synthesis of selenopheno2,3‐ b &3,4‐ b &3,4‐ c selenophene and their analogs can be achieved through diverse chemical approaches, including (i) selenation reactions, (ii) Thorpe–Ziegler cyclization, (iii) Stille and Sonogashira coupling, (iv) McMurry cyclization, and (v) Photocyclization reactions, among other methods.

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