Dimethyl sulfoxide as a green solvent for successful precipitative polyheterocyclization based on nucleophilic aromatic substitution, resulting in high molecular weight PIM-1

Abstract

A new method for the effective synthesis of high molecular weight polymer of intrinsic microporosity (PIM-1) powder widely employed for gas separation membranes was successfully developed using precipitative polyheterocyclization process in non-toxic DMSO.