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- W2384823528 abstract "Pyromellitic dianhydride (compound 1) was reacted with L-methionine (compound 2) in acetic acid and the resulting imide-acid [N,N'-(pyromellitoyl)-bis-L-methionine diacid] (compound 3) was obtained. The compound 3 was converted to the [N,N'-(pyromellitoyl)-bis-L-methionine diacid chloride (compound 4) by reaction with thionyl chloride. A new facile and rapid polycondensation reaction of compound 4 with ethylene dimine was reacted by microwave heating. The polymerization reaction proceeded rapidly and was completed within 10 minutes,producing chiral polymer[poly(N,N'-(pyromellitoyl)-bis-L-methionine oxalamide)](polymer 5). The structure of products was characterized by IR and1H-NMR. The experimental results show that a synthesis foundation of chiral polymer was provided by introducing L-methionine into the polymer by microwave heating." @default.
- W2384823528 created "2016-06-24" @default.
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- W2384823528 date "2010-01-01" @default.
- W2384823528 modified "2023-09-26" @default.
- W2384823528 title "Synthesis of Poly(N,N'-(pyromellitoyl)-bis-L-methionine oxalamide) Assisted by Microwave" @default.
- W2384823528 hasPublicationYear "2010" @default.
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