The first step of {HEAD ~ the process} produces a 1 ethoxyethyloxy 8 benzoyl 3,6 nonadiyne by reacting {TAIL ~ ethoxyethyl ether} of 3,6 heptadiynol in 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 { HEAD ~ the process } produces a 1 ethoxyethyloxy 8 benzoyl 3,6 nonadiyne by reacting { TAIL ~ ethoxyethyl ether } of 3,6 heptadiynol in 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 HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH