Copper(I) tert-butoxide is an alkoxide of copper(I). It is a white sublimable solid. It is a reagent in the synthesis of other copper compounds.
The compound was originally obtained by salt metathesis from lithium tert-butoxide and copper(I) chloride. An octameric form was obtained by alcoholysis of mesitylcopper: 8 CuC6H2Me3 + 8 HOBu-t → 8 HC6H2Me3 + [CuOBu-t]8
References