The mixture is treated with a mild inorganic base, such as for example, NaHCO3, and {HEAD ~ the solvent} is removed in {TAIL ~ vacuo} 
is removed in
The mixture is treated with a mild inorganic base , such as for example , NaHCO3 , and { HEAD ~ the solvent } is removed in { TAIL ~ vacuo }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL