ChemInform Abstract: Facile Synthesis of Functionalized Bis(arylethynyl)benzene Derivatives Via Sila‐sonogashira Reaction.
Synthetic communications(2012)
摘要
This article describes a facile synthesis of a new series of symmetrical bis(arylethynyl)benzene derivatives via a one-pot coupling reaction between trialkylsilyl protected arylalkynyes and aryldihalides bearing both electron-withdrawing (EW) and electron-donating groups (ED) in the presence of PdCl2(PPh3)(2)(5%) / CuI/tetrabutylammonium fluoride / triethylamine / tetrahydrofuran (sila-Sonogashira reaction) at room temperature.
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关键词
Bis(arylethynyl)benzene derivatives,cross-coupling reaction,Sila-Sonogashira reaction
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