reacting the product obtained in step with acid chloride ClCOn COCl in a 4 to 1 mole ratio within an inert atmosphere at about {TAIL ~ room temperature} for about 0.5 to 2 hours to obtain a keto ylid having the formula: ##STR5## ; and having {HEAD ~ the keto} ylid under a vacuum, at a temperature ranging from about 100° to 300° C. for a period of about 6 to 12 hours, thereby obtaining a F phenylalkylene oxide diacetylene having the formula C6 F5 C.tbd 
reacting the product obtained in step with acid chloride ClCOn COCl in a 4 to 1 mole ratio within an inert atmosphere at about { TAIL ~ room temperature } for about 0.5 to 2 hours to obtain a keto ylid having the formula : # # STR5 # # ; and having { HEAD ~ the keto } ylid under a vacuum , at a temperature ranging from about 100 ° to 300 ° C. for a period of about 6 to 12 hours , thereby obtaining a F phenylalkylene oxide diacetylene having the formula C6 F5 C.tbd
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH