Functionalization of the Bisphenol A Moiety

Schema 6.2 Functionalization by bromination of bisphenol A moiety of polysulfone and subsequent reactions with phosphorus compounds. 

2 Polycondensation of Phosphorus Containing Diols with Dihalogen Substituted Aromatic Sulfones 

Schema 6.3 Reaction between chloromethylated polysulfone and different phosphorus compounds. 

Schema 6.4 Polycondensation of substituted dihalogen aromatic sulfones with 

Schema 6.5 Synthesis of phosphorus containing polysulfones from bisphenol S and halogenated phosphorus derivatives. 

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