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