The process 2 wherein {HEAD ~ the step} of contacting a 3,4 dihalothiophene with an alkoxide is performed in {TAIL ~ the presence} of a solvent 
is performed in
The process 2 wherein { HEAD ~ the step } of contacting a 3,4 dihalothiophene with an alkoxide is performed in { TAIL ~ the presence } of a solvent
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH