Maleic Anhydride → HCID 131724028, compound

Participants

Reaction Steps

2.57 g (0.01 mol) of 2-(2-trimethylsilyl-2-propyl)carbonyloxy-5-norbornene obtained in Example 3, 1.0 g (0.01 mol) of purified maleic anhydride, 1.36 g (0.006 mol) of (2-trimethylsilyl-2-propyl)methacrylate, and 0.067 g (1.5 mole %) 2,2-azobisisobutyronitrile as a radical initiator are added to a polymerization flask. The mixture is dissolved in 3.2 g of purified tetrahydrofuran and is polymerized at 65° C. for 24 hours under nitrogen atmosphere. After the polymerization, polymerization product is precipitated with methanol, is saved by a glass filter, and is then dried at 40° C. for 12 hours to give 2.47 g of copolymer 2-(2-trimethylsilyl-2-propyl)carbonyloxy -5-norbornene-maleic anhydride-(2-trimethylsilyl-2-propyl)methacrylate (yield 50%) as a white solid. Mn is 6,520 and glass transition temperature is not observed. The 1H-NMR spectrum in FIG. 7 showed the synthesis of a copolymer with desired structure.

Provenance & Evidence