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  • Title: CuI-catalyzed suzuki-miyaura and sonogashira cross-coupling reactions using DABCO as ligand.
    Author: Li JH, Li JL, Wang DP, Pi SF, Xie YX, Zhang MB, Hu XC.
    Journal: J Org Chem; 2007 Mar 16; 72(6):2053-7. PubMed ID: 17286440.
    Abstract:
    In the presence of TBAB, CuI-catalyzed Suzuki-Miyaura cross-coupling of vinyl halides and aryl halides with arylboronic acids was conducted smoothly to afford the corresponding diarylethenes and polyaryls in moderate to good yields using DABCO (1,4-diazabicyclo[2.2.2]octane) as the ligand. We also found that the inexpensive CuI/DABCO catalytic system was effective for Sonogashira cross-couplings of aryl halides and vinyl halides. A variety of aryl halides and vinyl halides including activated aryl chlorides underwent the coupling with terminal alkynes in moderate to excellent yields.
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