Patent ID: 7256314

Claim:
A method for generating a secondary phosphine from a secondary phosphine oxide comprising a reaction of the secondary phosphine oxide and a reducing agent comprising an R 1 R 2 AlH moiety, wherein R 1 and R 2 are each an alkyl species or oxygen, and wherein at least one of R 1 or R 2 comprises at least 2 carbon atoms, wherein the secondary phosphine oxide is reacted with the reducing agent in a mixture comprising a solvent selected from the group consisting of: hydrocarbons, ethers, halocarbons, tetrahydrofuran, toluene, dioxane, xylene, hexane, heptane, cyclohexane, diethyl ether, dichloromethane, dichloroethane, 2-methyl-THF, MTBE, monoglyme, diglyme, triglyme, tetraglyme, chloroform, methylcyclohexane, octane, di-n-butylether, diisopropylether, ethylbenzene, cyclopentylmethylether, and combinations and mixtures thereof.