support from the National Natural Science Foundation of China(22377113,21927811,22134004);the Taishan Scholar Program of Shandong Province(tsqn202306103);the Fundamental Research Funds for the Central Universities(Ocean University of China)is greatly appreciated.
3,3-Disubstituted oxindoles,forming the core of extensive bioactive natural products and drugs,attract tremendous efforts to develop efficient methods for their preparation.Here,a photocatalyst-free approach for the s...