reacting an equimolar mixture of butyllithium and a F phenyl phosphonium salt having the formula C6 F5 CH2 PBr within an inert atmosphere at about room temperature for a period of about 0.5 to 3 hours to obtain {HEAD ~ a product} having {TAIL ~ the formula} C6 F5 CH═P3  
having
reacting an equimolar mixture of butyllithium and a F phenyl phosphonium salt having the formula C6 F5 CH2 PBr within an inert atmosphere at about room temperature for a period of about 0.5 to 3 hours to obtain { HEAD ~ a product } having { TAIL ~ the formula } C6 F5 CH ═ P3
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH