Frustrated Lewis pairs on pentacoordinated Al³⁺-enriched Al₂O₃ promote heterolytic hydrogen activation and hydrogenation.

ABSTRACT: As an emerging class of metal-free catalysts, frustrated Lewis pairs (FLPs) catalysts have been greatly constructed and applied in many fields. Homogeneous FLPs have witnessed significant development, while limited heterogeneous FLPs catalysts are available. Herein, we report that heterogeneous FLPs on pentacoordinated Al³⁺-enriched Al₂O₃ readily promote the heterolytic activation of H₂ and thus hydrogenation catalysis. The defect-rich Al₂O₃ was prepared by simple calcination of a carboxylate-containing Al precursor. Combinatorial studies confirmed the presence of rich FLPs on the surface of the defective Al₂O₃. In contrast to conventional alumina (γ-Al₂O₃), the FLP-containing Al

SUBMITTER: Wu Q 

PROVIDER: S-EPMC10901510 | biostudies-literature | 2024 Feb

REPOSITORIES: biostudies-literature