Oxy- and thioaryl-phenylated aromatic heterocyclic polymers
申请人:The United States of America as represented by the Secretary of the Air
公开号:US04380619A1
公开(公告)日:1983-04-19
Oxy- and thio-aryl-phenylated aromatic heterocyclic polymers having the general formula ##STR1## wherein Ar is a monovalent aromatic radical containing an oxy- or thio-linkage, Ar' is a divalent aromatic radical, R is a monovalent aromatic radical, Z is a divalent heterocyclic radical and n is an integer equal to the number of repeating units, are prepared from biscyclopentadienones with diethynyl heterocyclic compounds.