Metal-Free Cycloaddition of Internal Alkynes and Multifunctional Azides Under Solvent-Free Conditions
作者： Benedict Sandmann , Bobby Happ , Jürgen Vitz , Renzo M. Paulus , Martin D. Hager
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摘要: The synthesis of three different electron-defi cient internal alkynes for the metal-free 1,3-dipolar azide–alkyne cycloaddition is shown. are polymerized with several multifunctional azides and reaction enthalpy (Δ H ) investigated by differential scanning calorimetry (DSC). mechanical properties resulting polymers analyzed using nanoindentation. polymerization results in hard materials an E -modulus maximum 2.5 GPa, which make them interesting particular biomedical applications.
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