Journal
CHEMICAL COMMUNICATIONS
Volume 54, Issue 12, Pages 1441-1444Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc08964c
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Funding
- Natural Science Foundation of China [21472039, 21625203, 21762030]
- Jiangxi Province Science and Technology Project [20171BCB23055, 20171ACB21032, 20171ACB20015, 20165BCB18007]
- Technology Project of Jiangxi Provincial Department of Education [GJJ160725]
- Hunan Provincial Innovation Foundation for Postgraduate [CX2017B144]
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A copper-catalyzed oxidative radical strategy to avoid the use of the highly expensive noble metal/ligand catalytic systems is described, which allows selective activation of dual chemical bonds around the Si-atom center relying on the nature of alkylsilanes. While for tertiary silanes selective functionalization of Si-H/silyl C(sp(3))-H bonds in intermolecular oxidative annulation cascades with N-(2-(ethynyl) aryl) acrylamides toward silino[3,4-c] quinolin-5(3H)-ones, when using secondary silanes and HSi(TMS)(3), dual Si-H bonds or Si-H/Si-Si bonds are selectively cleaved leading to 4H-silolo[3,4c] quinolin-4-ones.
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