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(a) Synthesis of cyclic phospholane amidate monomer from 2-chloro-2-oxo-1,3,2-dioxaphospholane (COP) and primary amine, methoxyethylamine (MOEA). (b) Polymerization of cyclic phospholane amidate monomer by using TBD as the catalyst and benzyl alcohol as the initiator and side chain hydrolytic cleavage of the PPA, PMOEPA, with the formation of PPEI (acid form and sodium salt form).
