128143-89-5, Name is 4′-Chloro-2,2′:6′,2”-terpyridine, molecular formula is C15H10ClN3, belongs to catalyst-ligand compound, is a common compound. In a patnet, author is Daryanavard, Marzieh, once mentioned the new application about 128143-89-5, Category: catalyst-ligand.
Ni(acac)(2)/2,6-bis(diphenylphosphino)pyridine/CuI: A highly efficient palladium-free homogeneous catalyst for the Sonogashira cross-coupling reaction
A highly efficient palladium-free homogeneous catalyst involving Ni(acac)(2)/2,6-bis(diphenylphosphino) pyridine ((Ph2P)(2)py)/CuI components was used for the Sonogashira cross-coupling reaction. The Sonogashira reaction was investigated between phenylacetylene and various bromoand chloroarenes containing electron neutral, electron-rich, electron-poor, electron-deficient, and sterically hindered aryl fragments. The aryl alkynes coupling products were obtained with good to excellent yields at the optimized conditions using Ni(acac)(2) (0.3 mol%)/(Ph2P)(2)py (0.6 mol%)/CuI (0.03 mol%) as the catalyst, tetrabutylammonium bromide (TBAB) as the additive, Et3N as the base in DMF at 100 degrees C under N-2 atmosphere.
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Reference:
Metal catalyst and ligand design,
,Ligand Template Strategies for Catalyst Encapsulation – NCBI