Azobisisobutyronitrile → Di-tert-butyl 5-norbornene-2,3-dicarboxylate 2-hydroxyethyl 5-norbomene-2-carboxylate 5-norbomene-2,3-dicarboxylic acid maleic anhydride

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

Di-tert-butyl 5-norbornene-2,3-dicarboxylate (0.85 mole), 2-hydroxyethyl 5-norbomene-2-carboxylate (0.1 mole), 5-norbornene-2,3-dicarboxylic acid (0.05 mole) and maleic anhydride (1 mole) were mixed together in tetrahydrofuran solvent, and AIBN (5.5 g) was added to the mixture as a polymerization initiator. Polymerization was performed under nitrogen atmosphere for 10 hours while maintaining the temperature at 67° C. When the polymerization was completed, the polymer was precipitated from ethyl ether and dried in vacuo to obtain pure poly(di-tert-butyl 5-norbornene-2,3-dicarboxylate/2-hydroxyethyl 5-norbomene-2-carboxylate/5-norbomene-2,3-dicarboxylic acid/maleic anhydride) of Chemical Formula 102 shown above (yield: 31%).

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