One pot synthesis of pyridophenanthroline and pyrrolophenanthroline derivatives by regioselective reaction between 1,7-phenanthroline and dialkyl acetylenedicarboxylate: new fused heterocyclic compounds

摘要

1,7-Phenanthroline reacts with dialkyl acetylenedicarboxylate in a regioselective manner to give new macromolecules such as tetramethyl-6aH-pyrido[1,2-i][1,7]phenanthroline-7,8,9,10-tetracarboxylate and trialkyl pyrrolo[1,2-i][1,7]phenanthroline-7,8,9-tricarboxylate derivatives.