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 {HEAD ~ about room temperature} until {TAIL ~ hydrogen uptake} ceases 
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 { HEAD ~ about room temperature } until { TAIL ~ hydrogen uptake } ceases
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH