Abstract
A mesoporous zirconium(IV) phosphonate was synthesized by the hydrothermal reaction of ZrOCl2·8H2O with a trisphosphonic acid ligand, mesityl‐1,3,5‐tris(methylenephosphonic acid). Treatment of the mesoporous ZrIV phosphonate framework with Pd(OAc)2 and subsequent reduction produced a nanocomposite where Pd nanoparticles of average size ca. 7–8 nm were found to be homogeneously and abundantly dispersed over the phosphonate framework. The composite acts as an efficient and reusable heterogeneous catalyst in the Suzuki–Miyaura cross coupling reaction of aryl bromides with aryl boronic acids.
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