Copper(II) Hexafluoroacetylacetonate

[14781-45-4] C10H2CuF12O4 (MW 477.66) InChI = 1S/2C5H2F6O2.Cu/c2*6-4(7,8)2(12)1-3(13)5(9,10)11;/h2*1,12H;/q;;+2/p-2/b2*2-1-; InChIKey = HZXGNBMOOYOYIS-PAMPIZDHSA-L (catalyzes diazo compound decomposition and ylide formation;3 carbene additions4) Alternate Names: cupric hexafluoroacetylacetonate; bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-O,O′)copper. Physical Data: green solid, mp 130–135 °C (hydrated forms),2 114–116 °C (anhyd).1 Solubility: sol EtOH, dioxane, CCl4, polar solvents; insol H2O.2 Form Supplied in: commercially available as a hydrated solid. Preparative Methods: the dihydrate can be prepared from reaction of Copper(II) Acetate and hexafluoroacetylacetone dihydrate in aq NaOH, or by directly heating Cu(OAc)2·H2O and anhydrous hexafluoroacetylacetone.2 Purification: recryst from 50% EtOH or CCl4.2 Handling, Storage, and Precautions: irritant.