Palladium-Catalyzed Amination of Aryl Triflates
摘要:
The conversion of aryl triflates to the corresponding aniline derivatives was accomplished in moderate to good yield using a catalyst consisting of the combination of palladium acetate (2 mol %) and either BINAP or Tol-BINAP. In contrast to the corresponding palladium-catalyzed amination of aryl bromides and iodides, electronically neutral aryl triflates gave higher yields of arylamines than did electron deficient aryl triflates, presumably due to the increased rate of base-promoted triflate cleavage in electron deficient substrates.
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关键词:
knoevenagel condensation rare earth-exchanged NaY zeolites active methylene compounds environmentally-benign recyclable catalysts
DOI:
10.1021/jo961915s
被引量:
年份:
1997
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