Palladium-catalysed Suzuki{Miyaura cross-coupling with imidazolylidene ligandssubstituted by crowded resorcinarenyl and calixarenyl units
Özet
TwoN-heterocyclic carbene (NHC) palladium complexes of formula [PdBr2(NHC)(pyridine)] in which thecarbenic ring is anked by sterically crowded cavitand substituents were prepared from appropriate imidazolium saltsbearing either two resorcinarene or a combination of resorcinarene and calixarene fragments. Both complexes displayedhigh stability and good activities in the cross-coupling of aryl bromides with phenyl boronic acid. One of the imidazoliumsalts was characterised by an X-ray diffraction study. TwoN-heterocyclic carbene (NHC) palladium complexes of formula [PdBr2(NHC)(pyridine)] in which thecarbenic ring is anked by sterically crowded cavitand substituents were prepared from appropriate imidazolium saltsbearing either two resorcinarene or a combination of resorcinarene and calixarene fragments. Both complexes displayedhigh stability and good activities in the cross-coupling of aryl bromides with phenyl boronic acid. One of the imidazoliumsalts was characterised by an X-ray diffraction study.
Kaynak
Turkish Journal of ChemistryCilt
39Sayı
6Bağlantı
http://www.trdizin.gov.tr/publication/paper/detail/TWpVNU1EQTRPQT09https://hdl.handle.net/20.500.12418/3958
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