Enantioselective polymerization of γ-benzyl-DL-glutamate N-carboxy anhydride in the presence of poly(γ-benzyl-L-glutamate)
✍ Scribed by Oguni, Nobuki ;Kuboyama, Hiroaki ;Nakamura, Akira
- Book ID
- 105334595
- Publisher
- John Wiley and Sons
- Year
- 1983
- Weight
- 389 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0360-6376
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The polymerization of 7-benzyl-L-glutamate N-carboxy anhydride initiated by ~,~-primary diamines was studied kinetically in N,N-dimethylformamide by measuring the amounts of carbon dioxide evolved during polymerization and compared with those initiated by ~-primary monoamines. The pseudo first-order
## Abstract The primary amine initiated homopolymerization of γ‐benzyl‐L‐glutamate NCA in dioxane at 25°C, 35°C, 50°C, and 65°C has been investigated. The reactions were virtually independent of temperature indicating an activation energy of less than 1 kcal/mole. The entropy of activation was esti
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