The first step of the process produces a 1 ethoxyethyloxy 8 benzoyl 3,6 nonadiyne by reacting ethoxyethyl ether of {TAIL ~ 3,6 heptadiynol} in {HEAD ~ an anhydrous ethereal solvent}, such as, for example, tetrahydrofuran with an organometallic base, such as, for example, ethylmagnesiumbromide in an anhydrous ethereal solvent, tetrahydrofuran, for example, at about 0° C 
The first step of the process produces a 1 ethoxyethyloxy 8 benzoyl 3,6 nonadiyne by reacting ethoxyethyl ether of { TAIL ~ 3,6 heptadiynol } in { HEAD ~ an anhydrous ethereal solvent } , such as , for example , tetrahydrofuran with an organometallic base , such as , for example , ethylmagnesiumbromide in an anhydrous ethereal solvent , tetrahydrofuran , for example , at about 0 ° C
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 HEAD HEAD 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