在不加催化剂和溶剂条件下,由取代吲哚和取代苯甲醛合成15个已知的双吲哚烷基化合物,反应无溶剂污染,反应条件温和,收率为65％ ～91％.讨论了反应速度和取代基的关系,探讨了缩合反应的机理.并用1 H NMR、13C NMR、IR和HRMS等技术手段确定了产物结构.
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