: D 2831 ( OTTOKEMI ) Diethylzinc solution , 1.0 M in hexanes Cas -557-20-0 used in chemical research can be used as a reagent to prepareα-trifluoromethyl ketones from α, β-unsaturated ketones with Rh (I) catalyst.Alkynylzinc reagents which are used in cross-coupling reactions.