The residue is taken up in {HEAD ~ a non polar solvent}, such as for example, diethyl ether and purified by {TAIL ~ liquid chromatography} over silica gel to obtain 3,6 nonadiyne 1,8 diol, 8 benzoate 
The residue is taken up in { HEAD ~ a non polar solvent } , such as for example , diethyl ether and purified by { TAIL ~ liquid chromatography } over silica gel to obtain 3,6 nonadiyne 1,8 diol , 8 benzoate
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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