Method of manufacturing conductive heterocyclic polymers, new heterocyclic conductive polymers, new intermediate products for the preparation of the polymers, and synthesis of the intermediate products

Polymers I (Ar1-2 = arom. groups; R = H, C1-10 alkyl; X = S, NH; n >=25) having high mol. wt. are prepd. by ring closure of (Ar1COZAr2COZCO)n [Z = CH(R)CH2]. Thus, adding 21.55 mmol terephthaldehyde DMF (20 mL) soln. to a 80 mL DMF soln. contg. a small amt. of NaCN and 21.5 mmol p-bis(3-dimethylamino-1-oxopropyl)benzene and stirring gave 81% poly(p-phenylene-1,4-butanedione) (II). Stirring 1 g II in 20 g NH4OAc at 125 Deg gave poly(p-phenylene-2,5-pyrrole). [on SciFinder (R)]