A visible-light-promoted radical reaction system for azidation and halogenation of tertiary aliphatic C–H bonds† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c5sc04169d Click here for additional data file.

نویسندگان

  • Yaxin Wang
  • Guo-Xing Li
  • Guohui Yang
  • Gang He
  • Gong Chen
چکیده

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منابع مشابه

A visible-light-promoted radical reaction system for azidation and halogenation of tertiary aliphatic C-H bonds.

A highly tunable radical-mediated reaction system for the functionalization of tertiary aliphatic C-H bonds was developed. Reactions of various substrates with the Zhdankin azidoiodane reagent 1, Ru(bpy)3Cl2, and visible light irradiation at room temperature gave C-H azidated or halogenated products in an easily controllable fashion. These reactions are efficient, selective, and compatible with...

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Photoredox mediated nickel catalyzed C(sp3)–H thiocarbonylation of ethers† †Electronic supplementary information (ESI) available: Experimental details and full characterization of substrates and products. Crystallographic data for compound [Ni-II]. CCDC 1516709. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7sc02516e Click here for additional data file. Click here for additional data file.

The first direct C(sp)–H thiocarbonylation reaction is achieved by visible light photoredox/Ni dual catalysis. The thioester group of thiobenzoate is transferred to the a-oxy carbon of various cyclic/acyclic ethers, which is the opposite to the commonly expected chemical reactivity involving acyl group transfer via the weaker C(acyl)–S activation. Through mechanistic studies, we proposed that t...

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عنوان ژورنال:

دوره 7  شماره 

صفحات  -

تاریخ انتشار 2016