A novel method for the synthesis of 2‐oxindoles from 1,3‐dicarbonyl compounds based on ferrous salt and iodide catalyst was described. Through a new catalytic oxidation system, the intramolecular dehydrogenation coupling reaction was completed by using catalytic amount of iodine.

中文翻译：

---

Fe（OAc）2 / NaI / Na2S2O8分子内脱氢偶联法制备2-辛醇

描述了一种基于亚铁盐和碘化物催化剂由1,3-二羰基化合物合成2-吲哚的新方法。通过新的催化氧化体系，利用催化量的碘完成了分子内脱氢偶联反应。