The presence of the catalyst in a mixture of the substance to be succinylated and {HEAD ~ succinic anhydride results} in {TAIL ~ significantly greater yield} of the desired succinylated product  
The presence of the catalyst in a mixture of the substance to be succinylated and { HEAD ~ succinic anhydride results } in { TAIL ~ significantly greater yield } of the desired succinylated product
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 TAIL OTH OTH OTH OTH OTH OTH