Chem. Commun., 2025, Accepted Manuscript DOI: 10.1039/D5CC04363H, Communication Bo Peng, Lei Zhang, Mengjiao Zhu, Dingming Zheng, Jiangtao Ji, Ao Cui, Mengjie Hu, Xin Huang We report here a one-pot iodonium-Claisen rearrangement of aryl iodanes with acetonitrile which enables ortho-cyanomethylation of aryl iodanes to produce valuable arylacetonitriles. The reaction proceeds through in situ preparation of...