Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 357, Issue 2-3, Pages 361-365Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201400754
Keywords
isocyanides; palladium removal; palladiumd scavengers; potassium isocyanoacetate (KO2CCH2NC); Suzuki reaction
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Funding
- NSF [CHE-0848560, CHE-1012839]
- SUNY Technology Accelerator Fund
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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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