A photoinduced EnT-mediated generation of sulfonamidyl radicals has been accomplished using rationally designed iminophenylacetic acid oxime ester reagents under metal-free conditions. This approach offers a mild, regio- and diastereoselective synthesis of -sulfonyl diamines diamination of alkenes and (hetero)arenes.
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Energy transfer-mediated multiphoton synergistic excitation for selective C(sp)-H functionalization with coordination polymer.
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View Article and Find Full Text PDFPhotoinduced EnT-mediated sulfonamidylimination of alkenes and (hetero)arenes with iminophenylacetic acid oxime esters.
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College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
A photoinduced EnT-mediated generation of sulfonamidyl radicals has been accomplished using rationally designed iminophenylacetic acid oxime ester reagents under metal-free conditions. This approach offers a mild, regio- and diastereoselective synthesis of -sulfonyl diamines diamination of alkenes and (hetero)arenes.
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RSC Adv
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State Key Laboratory of Fine Chemicals, Dalian University of Technology Dalian 116024 China +86-411-84986476 +86-411-84986476.
The photocatalytic atom-transfer radical addition (ATRA) of perfluoroalkyl iodides onto olefins is of potential biointerest; the relatively negative reductive potential of perfluoroalkyl iodide makes it difficult to generate the perfluoroalkyl radical by the photoinduced single-electron transfer from the excited state of the photocatalyst. In the presence of the easily available well-known pyrene-based metal-organic framework (MOF) NU-1000, the ATRA was achieved for iodoperfluooralkylation of olefins in a heterogeneous mode upon 405 nm visible-light irradiation with LEDs. The investigation supports a mechanism whereby the pyrene-based chromophores within NU-1000 photochemically generate the reactive radical species by sensitisation of the perfluoroalkyl iodides through an energy-transfer (EnT) pathway.
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