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2. Junjie Ge#, Lihang Cao#, Kun Lin, Chenhao Ruan, Xinyi Ye, Xiaoze Bao, Zhikun Yang,* Hong Wang,** and Hua Chen***, Ring Expansion of Bicyclo[1.1.0]butyl Ketones to Bicyclo[2.1.1]hexenes Using Ketone as Both Activating and Reacting Groups. Nat. Commun. 2025, 16, 9190. doi: 10.1038/s41467-025-64226-z.
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