Frustrated Lewis Pairs: Bonding, Reactivity, and Applications

Area of Science:

• Catalysis
• Materials Science
• Computational Chemistry

Background:

• Frustrated Lewis Pairs (FLPs) are potent catalysts for small molecule activation.
• The scope of FLP reactivity has expanded to include hydrogenation of unsaturated compounds.
• Heterogeneous applications of FLPs have emerged as a significant research area over the last decade.

Purpose of the Study:

• To provide a comprehensive review of recent studies on Frustrated Lewis Pair catalysis.
• To discuss the theoretical underpinnings of H2 activation by FLPs.
• To explore the advancements and mechanisms of FLP-catalyzed hydrogenation and heterogeneous applications.

Main Methods:

• Review of existing literature on FLP catalysis.
• Discussion of quantum chemical studies on H2 activation.
• Analysis of theoretical advancements in heterogeneous FLP catalysis.

Main Results:

• FLPs effectively activate small molecules, including H2, for hydrogenation.
• Aromaticity and boron-ligand cooperation significantly influence FLP reactivity.
• Cooperative action of Lewis centers enables activation of various small molecules.
• Mechanisms for FLP-catalyzed hydrogenation of unsaturated species are detailed.
• Theoretical insights into heterogeneous FLP catalysis on 2D materials, surfaces, and metal oxides are presented.

Conclusions:

• Understanding FLP catalytic processes is crucial for designing new heterogeneous catalysts.
• Theoretical studies provide valuable guidance for experimental catalyst development.
• FLP catalysis offers a versatile platform for chemical transformations and materials science.