Many analogues have been prepared from primary, secondary, and even tertiary amines:
* Borane tert-butylamine ()
* Borane trimethylamine ()
* Borane isopropylamine ()
The first amine adduct of borane was derived from trimethylamine. Borane tert-butylamine complex is prepared by the reaction of sodium borohydride with t-butylammonium chloride. Generally adduct are more robust with more basic amines. Variations are also possible for the boron component, although primary and secondary boranes are less common.