Ke Li,^† Zhipeng Zhang,^† Jiahui Zhu,  Yuxin Wang  Jing Zhao, Er-Qing Li^* and Zheng Duan*Diastereodivergent Synthesis of Fully Disubstituted Spiro[indoline-3,2'-pyrrolidin]-2-ones via Tuneable Lewis base/Brønsted base-promoted (3+2) Cycloadditions. Organic Chemistry Frontiers , 2021, DOI: 10.1039/D1QO01124C. https://pubs.rsc.org/en/content/articlelanding/2021/qo/d1qo01124c