The mole ratio of compound to compound may be in the range of 1:1 1:5, but preferably in the range of 1:1 1:1.5 with {HEAD ~ a view} to maximizing {TAIL ~ the economy} of the overall process 
to maximizing
The mole ratio of compound to compound may be in the range of 1:1 1:5 , but preferably in the range of 1:1 1:1.5 with { HEAD ~ a view } to maximizing { TAIL ~ the economy } of the overall process
OTH OTH OTH OTH OTH OTH OTH 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH