Catalysis Communications p. 16 - 20 (2016)
Update date:2022-08-11
Topics:
Kamari, Younes
Ghiaci, Mehran
To improve the reusability of a modified chitosan supported palladium catalyst (MC-Pd) it was coated with 50?wt% TiO2and in this way the MC-Pd@TiO2catalyst was prepared. The catalyst was characterized with different techniques. Activity of the catalyst was studied in the Suzuki cross-coupling reactions. The reusability of the catalyst was tested and the results indicated that after 10 runs, in the presence of MC-Pd catalyst the reaction yield decreased to 70% while it was 95% for the coated catalyst. After 10 runs, the Pd leached from MC-Pd catalyst was 20% and for the MC-Pd@TiO2 catalyst was less than 4%.
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