The solvent used for re slurrying may be one which is readily metallated and thus unsuitable for {HEAD ~ use} in {TAIL ~ the metallation reaction} 
in
The solvent used for re slurrying may be one which is readily metallated and thus unsuitable for { HEAD ~ use } in { TAIL ~ the metallation reaction }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL