Intramolecular reactions on polymer chains

Imanishi, Yukio

doi:10.1002/pol.1979.230140101

Cited by 49 publications

(23 citation statements)

References 276 publications

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“…Hydrophobic attractive interactions between a polymer and a small-molecule reactant often occur in reactions carried out in aqueous media [Imanishi, 1979;Morawetz, 1975;Guterl, 1978, 1979]. Acid catalysis of ester hydrolysis by polysulfonic acids is most …”

Section: -1j Hydrophobic Interactionssupporting

confidence: 70%

Reactions of Polymers

Odian

2004

Principles of Polymerization

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Section: -1j Hydrophobic Interactionssupporting

confidence: 70%

Reactions of Polymers

Odian

2004

Principles of Polymerization

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“…It is then easy to understand that the utilization of synthetic organic polymers to change the reactivities oflow molecular weight substances has received more and more attention lately (168). These reactions can serve as models for more complex enzymatic processes.…”

Section: Polymersmentioning

confidence: 99%

Bioorganic Chemistry

Dugas

Penney

1981

Springer Advanced Texts in Chemistry

110

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“…bands I and I1 of k (15) to resemble those of 1 (12), and, conceivably by double 'partial cancellation', the CD. bands of m (16) to resemble those of n (17). This effect may then also offer a rough explanation for the qualitative analogy of the spectra of e and f (Fig.…”

Section: Relative Influence Of L-and D-residuesmentioning

confidence: 87%

Electronic Properties and Optical Activity of Oligopeptides. III. Some cyclohexapeptides with glycine, L‐ and D‐alanine

Iseli

Wagnière

Brahms

et al. 1979

Helvetica Chimica Acta

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SummaryThe wavelength range of the CD. spectra of some cyclohexapeptides containing different sequences of glycine, L-and D-alanine is extended down to 170 nm. This allows a relatively complete recording of the (n-n*) and (no-n*) Cotton effects. Some striking spectral changes are observed on going from one molecule to another. The relative influence of L-and D-alanyl residues is discussed: Some spectra may be qualitatively related to each other by considering the effect of an L-residue at position q in the ring to cancel partially with the effect of a D-residue at position q1f: 3. Assuming these cyclopeptides to occur in a hydrogen-bonded pleated sheet structure, certain dominant changes in the spectra are interpreted as reflecting a transition of the overall backbone conformation from one which is closer to the (optically inactive) symmetry Ci to another which is closer to the (optically active) symmetry C,. An attempt is made to relate the influence of L-and D-substituents within hairpin bends of the pleated sheet structure to an amide sector rule.

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Intramolecular reactions on polymer chains

Cited by 49 publications

References 276 publications

Reactions of Polymers

Reactions of Polymers

Bioorganic Chemistry

Electronic Properties and Optical Activity of Oligopeptides. III. Some cyclohexapeptides with glycine, L‐ and D‐alanine

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