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Cobalt-Catalyzed Difunctionalization of Styrenes via Ligand Relay Catalysis 被引量:1

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摘要 Here,we report a cobalt-catalyzed sequential dehydrogenative Heck silylation/hydroamination of styrenes with hydrosilane and diazo compound to access 1-amino-2-silyl compounds with excellent regioselectivity.This difunctionalization reaction could undergo smoothly using 1 mol%catalyst loading with good functional group tolerance.Not only di-and tri-substituted hydrosilanes,but also alkoxysilane is suitable,which does explore the scope of the family of 1-amino-2-silyl compounds.The ligand relay phenomenon between neutral tridentate NNN ligand and anionic NNN ligand is observed for the first time via absorption spectral analysis in this one-pot,two-step transformations.The primary mechanism has been proposed based on the control experiments.
出处 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2023年第24期3633-3638,共6页 中国化学(英文版)
基金 Financial supports were provided by the National Key R&D Program of China(2021YFA1500200 and 2021YFF0701600) the NSFC(22271249) the Fundamental Research Funds for the Central Universities(226-2022-00224 and 226-2023-00115).
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