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