作者:Luo, Wen-Jing、Liang, Xiuwen、Chen, Maizhuo、Wang, Ke-Hu、Huang, Danfeng、Wang, Junjiao、Chen, Dong-Ping、Hu, Yulai
DOI:10.1021/acs.joc.4c00910
日期:——
[3 + 2] cycloaddition reaction between in situ generated nitrile imines from hydrazonoyl halides and vinylsulfonium salts is developed. The nitrile imines are demonstrated to be a new class of reaction partner for vinylsulfonium salts to conduct the [3 + 2] cycloaddition reaction. The process provides a concise and efficient method for the construction of pyrazole derivatives under mild reaction conditions
开发了由腙酰卤和乙烯基锍盐原位生成的腈亚胺之间的有效[3 + 2]环加成反应。腈亚胺被证明是乙烯基锍盐进行[3 + 2]环加成反应的一类新型反应伙伴。该工艺为反应条件温和、底物范围广、产物收率好、区域选择性高的吡唑衍生物的构建提供了一种简洁高效的方法。