N-SUBSTITUTED 3,4-ALKYLENEDIOXYPYRROLES, ESTER SUBSTITUTED DIHYDROXY PYRROLES AND METHODS FOR SYNTHESIS OF THESE PYRROLES

摘要

A family of N-substituted 3,4-allcylenedioxypyrrole includes monomers of formula (I) electropolymerization to conjugated polymers and key intermediates for the preparation of the monomers. The preparation of the //-substituted 3,4-aJkylenedioxypyrdoles is carried out via a synthetic intermediate, an ester substituted dihydroxypyrrole. The synthetic method to prepare the //-substituted 3,4-alkylenedioxypyrrole intermediates and ultimately the N-substituted 3,4-alkylenedioxypyrrole monomers begins with a reaction to form the ester substituted dihydroxypyrrole.