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Highly active and recyclable heterogeneous palladium catalyst derived from guar gum for fabrication of biaryl compounds.

Abstract：

:In this study, a novel highly efficient heterogeneous palladium catalyst (GG-Pd) was prepared using guar gum, which is an environmentally friendly, easily available, fairly cheap, and renewable natural bio-polymer. Detailed characterization of GG-Pd catalyst was successfully performed by FT-IR, TG/DTG, SEM, EDS, XRD, and ninhydrin test, and it was evaluated as a heterogeneous catalyst against Suzuki-Miyaura coupling reactions of a series of aryl halides with phenylboronic acid. Catalytic performance studies showed that GG-Pd efficiently catalyzed Suzuki cross coupling reactions under solvent-free media and for a very short reaction time (5 min). Moreover, reusability tests showed that GG-Pd catalyst could be reused at least ten times with a minor decrease of its catalytic performance. Additionally, it was found that palladium leaching from the designed support was very minimal. This study shows that GG-Pd catalyst is a very useful and highly stable heterogeneous catalyst for Suzuki-Miyaura coupling reactions in terms of high catalytic performance and recyclability.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Baran T,Yılmaz Baran N,Menteş A

doi

10.1016/j.ijbiomac.2019.04.042

subject

Has Abstract

pub_date

2019-07-01 00:00:00

pages

1147-1154

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(19)30489-1

journal_volume

132

pub_type

杂志文章

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