Selenocyanation using a combined reagent of triphenylphosphine and selenocyanogen. A new and simple synthesis of alkyl selenocyanates and symmetrical alkyl diselenides from alcohols

Article abstract of DOI:10.1016/S0040-4039(01)93689-5

A novel reagent Ph₃SeCN)₂, easily prepared by adding an equimolar amount of tri-phenylphosphine to selenocyanogen solution in methylene chloride and tetrahydrofuran reacts below -60° with primary alcohols to produce directly the corr