Heavier group 13/15 multiple bond systems: synthesis, structure and chemical bond activation

Area of Science:

• Inorganic Chemistry
• Organometallic Chemistry

Background:

• The existence of heavier group 13/15 multiple bonds challenges the traditional double bond rule.
• Recent advancements have made these bonds synthetically feasible and demonstrated their utility in small molecule activation.

Purpose of the Study:

• To review recent developments in group 13/15 multiple bond chemistry.
• To outline historical synthetic approaches and discuss strategies for future synthesis.
• To highlight the potential of these compounds in chemical applications.

Main Methods:

• Synthesis of phospha- and arsaalumenes using pnictinidene precursors and Al(I) synthons.
• Isolation and characterization of thermally robust compounds.
• Exploration of synthetic strategies for elusive chemical bonds.

Main Results:

• Successful synthesis of the first isolable and thermally robust phospha- and arsaalumenes.
• Demonstration of the feasibility of creating heavier group 13/15 multiple bonds.
• Identification of Al(I) synthons as effective reagents.

Conclusions:

• The study showcases significant progress in the synthesis and application of heavier group 13/15 multiple bonds.
• Phospha- and arsaalumenes represent a new class of stable compounds with potential in catalysis.
• Future research can focus on expanding the scope and applications of these unique chemical entities.