兰州大学梁永民等报道了首例含应力螺环丁烷-吡咯啉的合成,该分子的合成通过Pd催化Narasaka–Heck/C(sp3或sp2)-H活化级联催化,该反应中的关键之处在于通过原位生成的σ-烷基-Pd(II)物种进行δ-C-H键活化,生成五元环状结构Pd杂螺环中间体。
参考文献
Wan-Xu Wei, Yuke Li, Ya-Ting Wen, Ming Li, Xue-Song Li, Cui-Tian Wang, Hong-Chao Liu, Yu Xia, Bo-Sheng Zhang, Rui-Qiang Jiao, and Yong-Min Liang*, Experimental and Computational Studies of Palladium-Catalyzed Spirocyclization via a Narasaka–Heck/C(sp3 or sp2)–H Activation Cascade Reaction, J. Am. Chem. Soc. 2021
DOI: 10.1021/jacs.1c04114
https://pubs.acs.org/doi/10.1021/jacs.1c04114