Copper(I) tert-butoxide

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.^[1]

Copper(I) tert-butoxide

Names
Other names copper(1+);2-methylpropan-2-olate
Identifiers
CAS Number	60842-00-4 tetramer 35342-67-7 all
ChemSpider	9427070
PubChem CID	11252043 monomer
CompTox Dashboard (EPA)	DTXSID80460062
Properties
Chemical formula	C16H36Cu4O4
Molar mass	546.644 g·mol−1
Appearance	White solid
Density	1.62 g/cm3 (octamer)
Melting point	260 °C (500 °F; 533 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

The compound was originally obtained by salt metathesis from lithium tert-butoxide and copper(I) chloride.^[2] An octameric form was obtained by alcoholysis of mesitylcopper:^[3]

8 CuC₆H₂Me₃ + 8 HOBu-t → 8 HC₆H₂Me₃ + [CuOBu-t]₈