How is 1,2-dibora-3$^{2}-aluminacyclopropene (CAS: 12041-50-8) typically synthesized?

1,2-Dibora-3$^{2}-aluminacyclopropene (CAS: 12041-50-8) is synthesized via a multistep process involving the use of borane and aluminum compounds. The synthesis typically requires the use of a strong base to facilitate the formation of the cyclopropene ring. The reaction conditions include the use of anhydrous solvents and appropriate catalysts to enhance selectivity and yield. The products are often isolated by column chromatography or other purification techniques.