Efficient synthesis of benzimidazoles, benzoxazoles and benzothiazole from the reaction of 2-amino-4,5-dihydro-3-furancarbonitrile with o-substituted anilines in the catalysis of trimethylamine hydrochloride was achieved. The structures of the obtained products were established by spectroscopic data.

中文翻译：

---

2-氨基-4,5-二氢-3-呋喃甲腈与苯并咪唑、苯并恶唑和苯并噻唑的反应合成

2-氨基-4,5-二氢-3-呋喃甲腈与邻位苯胺在三甲胺盐酸盐的催化作用下反应高效合成苯并咪唑、苯并恶唑和苯并噻唑。所得产物的结构由光谱数据确定。