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On the Improved Accessibility of Dendronized Macromonomers with Peripheral Protected Amine Groups
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2001
Year
Macromolecular ChemistryEngineeringOrganic ChemistryChemistryRelated MacromonomersPolymersMacromolecular EngineeringHybrid MaterialsPolymer ChemistryBiophysicsSynthetic MacromoleculeDendronized PolymersMolecular EngineeringMethacrylate Macromonomers 18Biomolecular EngineeringMacromolecular SciencePolymer ScienceMacromolecular SystemPolymer CharacterizationImproved AccessibilityPolymer SynthesisDendronized Macromonomers
Efficient syntheses of tert-butyloxycarbonyl (Boc) and/or benzyloxycarbonyl (Cbz) protected, amine terminated, first (G1) and second generation (G2) dendronized macromonomers, mostly based on methacrylate polymerizable units, are reported. Whenever appropriate the routes to these monomers are compared with one another, and to related macromonomers in the literature, which results in a comprehensive efficiency and availability picture. On these grounds the methacrylate macromonomers 18 and 37 are identified as model systems for the systematic development of the chemistry and properties of surface functionalized dendronized polymers. The latter is available on the 8–15 g scale, depending on the route. Provisional experiments with some of the macromonomers prove their polymerizability.