Carbon-Sulfur Reductive Elimination from Palladium(IV) Sulfinate Complexes
作者:Xiaodan Zhao、Vy M. Dong
DOI:10.1002/anie.201005489
日期:2011.1.24
Sulfurin succotash: The oxidation of PdII complexes with sulfonyl chlorides leads to a series of stable palladium(IV) sulfinate complexes. These complexes undergo reductive elimination to afford products with CS, CC, and CCl bonds, as well as a desulfitated product (see scheme; Py=pyridyl, Pd gray, N blue, S yellow, O red).
Cu(II)-Mediated Sulfonylation of (Hetero)arenes with TosMIC Using Monodentate Directing Groups
作者:Yigao Li、Zhuang Meng、Xinju Zhu、Xin-Qi Hao、Mao-Ping Song
DOI:10.1021/acs.joc.3c02730
日期:2024.3.15
Monodentate chelation-assisted direct ortho-C–H sulfonylation of (hetero)arenesusingTosMIC as the novel sulfonylating reagent has been developed. A broad range of substrates, including indolines, indoles, 2-phenylpyridines, and others were well tolerated to afford the corresponding products in moderate to good yields. Mechanistic studies revealed that the sulfonyl radical might be involved. Inspired
C–H Bond Sulfonylation from Thianthrenium Salts and DABCO·(SO2)2: Synthesis of 2-Sulfonylindoles
作者:Chen Guo、Xinhua Wang、Qiuping Ding、Jie Wu
DOI:10.1021/acs.joc.4c00827
日期:2024.7.5
and thianthrenium salts under synergistic photoredox and palladium catalysis is accomplished. This direct C–H bond sulfonylation of indoles with the insertion of sulfur dioxide under mild conditions works efficiently, giving rise to a wide range of 2-sulfonated indoles in moderate to good yields under mild conditions. In this protocol, the generality of aryl/alkyl thianthrenium salts is demonstrated