Thiophenes occur as important building blocks in natural products, pharmaceutical active compounds, and in materials for electronic and opto-electronic devices. Therefore, there is a considerable demand for efficient synthetic strategies for producing these compounds. This review focuses on ring-forming multicomponent reactions for synthesizing thiophenes and their derivatives.

中文翻译：

---

通过环形成多组分反应合成噻吩

噻吩是天然产物，药物活性化合物以及电子和光电设备材料中的重要组成部分。因此，非常需要用于生产这些化合物的有效合成策略。这篇综述集中在合成噻吩及其衍生物的成环多组分反应上。