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标题:Removal of Palladium from Cross-Coupling Reactions Using Isocyanide Reagents
时间:2019-11-19 14:38:14
DOI:10.1002/adsc.201400754
作者:French, Jonathan M.; Griffiths, Justin R.; Diver, Steven T.
关键词:isocyanides; palladium removal; palladiumd scavengers; potassium isocyanoacetate (KO2CCH2NC); Suzuki reaction
出版源: Advanced Synthesis & Catalysis ,357 (2-3) :361-365
摘要:Isocyanide reagents removed residual palladium from palladium-catalyzed cross-couplings, to sub-ppm levels. The results were similar using either Pd(II) or Pd(0) precatalysts. Using the 3-isocyanopropylated silica gel reagent 1, no chromatography or other treatments were required. The soluble isocyanide potassium isocyanoacetate (KO2CCH2NC) was also found to be highly effective when combined with silica gel chromatography.
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