{HEAD ~ The solvent} is removed in vacuo and the residue taken up in an alcoholic solvent, such as, for example, ethanol, containing quinoline and Lindlar catalyst and stirred at about room temperature until {TAIL ~ hydrogen uptake} ceases 
{ HEAD ~ The solvent } is removed in vacuo and the residue taken up in an alcoholic solvent , such as , for example , ethanol , containing quinoline and Lindlar catalyst and stirred at about room temperature until { TAIL ~ hydrogen uptake } ceases
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 TAIL TAIL TAIL TAIL TAIL TAIL OTH