Abstract
Abstract A novel PMoV-paired ionic polymer was prepared by anion-exchange of a newly task-specific designed carboxylic acid-functionalized ionic polymer with a Keggin V-containing heteropolyacid, and characterized by FT-IR, SEM, TG, XRD, 1H NMR, and CNH elemental analysis. Its catalytic performance for hydroxylation of benzene with H2O2 was studied using CH3CN as solvent. The obtained polymer is revealed to be a highly efficient heterogeneous catalyst for hydroxylation of benzene, showing a high yield to phenol 26.9% with 100% selectivity. The solid catalyst has a convenient recoverability with a considerable catalyst recovery rate of above 90%, and the reused catalyst in the fourth run showed a phenol yield of 17.8%.
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