Iodine-Mediated Domino C(sp<sup>2</sup>
)-H Sulfonylation/Annulation of Enaminones and Sulfonyl Hydrazines for the Synthesis of 3-Sulfonyl Chromones
作者:Jie-Ping Wan、Shanshan Zhong、Yanhui Guo、Li Wei
DOI:10.1002/ejoc.201700910
日期:2017.8.17
The direct synthesis of 3-sulfonyl chromones is accomplished for the first time through the tandem reaction of enaminones and sulfonyl hydrazines by C–N bond oxygenation and C(sp2)–H bond sulfonylation under transition-metal-free conditions. DMAC=N,N-dimethylacetamide.