Transition metal/photocatalyst-free skeletal editing of indene with iodonium difluorodiazo reagent to access 2-(difluoromethyl)naphthalene

Chem. Commun., 2025, Accepted Manuscript DOI: 10.1039/D5CC01777G, Communication Zong-Rui Yuan, Meng-Qi Sun, Wei-Chen Chen, Zhi-Qi Zhang, Jun-An Ma, Fa-Guang Zhang In this study, we have design and synthesize a reactive difluorodiazo hyervalent iodine(III) reagent that facilitates the ring expansion of indene under mild basic conditions at room temperature. This protocol...