p(HEMA)-Pd(II) and p(HEMA-MAH)-Pd(II) Microspheres: Efficient, Recyclable and Ligand-Free Catalyst for Suzuki-Miyaura Cross-Coupling Reaction in Water
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Tarih
2016
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Taylor & Francis Inc
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
In this study, the authors report the synthesis and characterization of new poly(hydroxyethyl methacrylate) palladium(II) (p (HEMA)-Pd(II)) and poly(hydroxyethyl methacrylate-N-methacryloyl-(L)-histidine methyl ester) palladium(II), p(HEMA-MAH)Pd(II) microsphere catalysts, and their catalysis in Suzuki-Miyaura coupling reactions of aryl bromides with phenylboronic acid in water. The microsphere catalysts were characterized by SEM, ICP-MS, FTIR, and diffuse-reflactance UV-visible spectroscopy. The p(HEMA)-Pd(II) and p(HEMA-MAH)-Pd(II) microsphere catalysts were active catalysts in Suzuki-Miyaura coupling reactions of arylbromides with phenylboronic acid affording biphenyls in high yield. Recycling experiments showed that the p(HEMA)-Pd(II) and p(HEMA-MAH)-Pd(II) microsphere catalysts could be used seven or ten times with essentially no loss in activity in the Suzuki-Miyaura coupling reactions.
Açıklama
Anahtar Kelimeler
Microspheres, Palladium (Ii), Catalyst, Suzuki-Miyaura Coupling, Water
Kaynak
Synthesis and Reactivity in Inorganic Metal-Organic and Nano-Metal Chemistry
WoS Q Değeri
Q4
Scopus Q Değeri
N/A
Cilt
46
Sayı
9
