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