The enzyme‐like behavior of a 4‐vinyl‐pyridine‐acrolenoxime copolymer toward activated esters

Kirsh, Yu. E.; Lebedeva, T. A.; Kabanov, V.A.

doi:10.1002/pol.1975.130130404

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1977

1984

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Cited by 15 publications

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Some Recent Advances in the Study of the Reactivity of Systems Containing Polymers

Morawetz

1978

Israel Journal of Chemistry

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Recent studies of reaction rates in polymer systems are reviewed. These involve ionic reactions in polyelectrolyte solutions, kinetic effects due to the nature of the “effective solvent medium” in the polymer domain, neighboring group effects in polysaccharide oxidation, intramolecular polymer reactions involving non‐neighboring groups, the quenching of the fluorescence of groups attached to a polymer by species carried by another polymer chain and the photoisomerization of azobenzene residues in the backbone of polymer chains.

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Some Recent Advances in the Study of the Reactivity of Systems Containing Polymers

Morawetz

1978

Israel Journal of Chemistry

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Multifunctional hydrolytic catalyses. IX. Hydrolysis of p‐nitrophenyl acetate by bifunctional polymer catalysts containing zwitterionic (hydroxamate) nucleophiles

Okahata

Kunitake

1977

J. Polym. Sci. Polym. Chem. Ed.

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The hydrolysis of p‐nitrophenyl acetate by bifunctional polymer catalysts was studied in 28.9% EtOH–H20 at 30°C. Partial (ca. 10 mole%) quaternization of poly(4‐vinylpyridine) and poly(1‐vinyl‐2‐ethylimidazole) with benzyl N‐benzyl chloroacetohydroxamate and the subsequent removal of the benzyl group produced water‐soluble polymers containing zwitterionic hydroxamate groups and free pyridine (or imidazole) groups. The zwitterionic hydroxamate was a nucleophile more than 10 times as effective as simple hydroxamate anions, and the acetyl hydroxamate intermediate was efficiently hydrolyzed by the intrapolymeric pyridine (or imidazole) group. Thus, the catalytic efficiency of these bifunctional polymers was much better than monofunctional polymers which contain either hydroxamate or imidazole, and amounted to 10–20% of that of α‐chymotrypsin under a comparable condition.

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Intramolecular reactions on polymer chains

Imanishi

1979

J. Polym. Sci. Macromol. Rev.

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The enzyme‐like behavior of a 4‐vinyl‐pyridine‐acrolenoxime copolymer toward activated esters

Cited by 15 publications

References 6 publications

Some Recent Advances in the Study of the Reactivity of Systems Containing Polymers

Some Recent Advances in the Study of the Reactivity of Systems Containing Polymers

Multifunctional hydrolytic catalyses. IX. Hydrolysis of p‐nitrophenyl acetate by bifunctional polymer catalysts containing zwitterionic (hydroxamate) nucleophiles

Intramolecular reactions on polymer chains

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