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pmid: 21433147
AbstractA series of Fréchet dendronized poly(p‐benzamide)s have been synthesized. To attach the dendron‐functionalities to the poly(p‐benzamide) backbone, a propargyl side chain was introduced to p‐aminobenzoic acid. Then, copper catalyzed azide‐alkyne cycloaddition was used to click a first generation (G1), respectively, a second generation (G2) Fréchet‐dendron azide onto the amino acid monomer. The resulting amino acids were polymerized using triphenylphosphite to obtain a poorly organo‐soluble G1‐dendronized polymer and a non‐aggregating G2‐dendronized polymer showing good organo‐solubility. Furthermore, a strictly alternating non‐aggregating G1‐TEG‐dendronized polymer with good organo‐solubility was synthesized. The aggregation behavior of these polymers was investigated by dynamic light scattering. magnified image
Azides, Dendrimers, Cycloaddition Reaction, Molecular Structure, Catalysis, Polymerization, Solubility, Alkynes, Benzamides, Solvents, Click Chemistry, 4-Aminobenzoic Acid, Copper
Azides, Dendrimers, Cycloaddition Reaction, Molecular Structure, Catalysis, Polymerization, Solubility, Alkynes, Benzamides, Solvents, Click Chemistry, 4-Aminobenzoic Acid, Copper
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