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