The compound class is of some relevance to academic research.
The parent compound, HBO, itself called "oxoborane", together with derivatives FBO, ClBO, BrBO, HOBO and MeBO have been detected in matrix isolation or in the gaseous phase at high temperature.
[1][2] In these compounds the boron and oxygen form a triple bond prone to cyclotrimerization to boroxines.
[3] In this compound the oxygen atom is coordinated to aluminium chloride.
[5] In this compound the BO bond length is 120 picometers.