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Synthesis of PMAC-co-PMOC by partial ozonolysis of PMAC (i and ii), followed by in situ functionalization via consecutive aldehyde–aminooxy (iii) and thiol–ene “click” (iv) reactions. Conditions: (i) O3, DCM, −78 °C, 3 min; (ii) Me2S, −78 °C to RT; (iii) O-benzylhydroxylamine, NaOAc, MeOH, 45 °C, 1.5 h; (iv) ethyl 2-mercaptoacetate, DMPA, DMSO, UV365 nm, 2 h.
