The reaction between {TAIL ~ carboxylic acid salts} and {HEAD ~ halogenated derivatives}, especially allylics or benzylics is well known as a manner of obtaining, generally with good efficiency, esters of said acids 
The reaction between { TAIL ~ carboxylic acid salts } and { HEAD ~ halogenated derivatives } , especially allylics or benzylics is well known as a manner of obtaining , generally with good efficiency , esters of said acids
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH 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