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Conformational studies of poly(N-methyl-l-alanine) by n.m.r. spectroscopy

✍ Scribed by Yukio Imanishi; Kazuya Kugimiya; Toshinobu Higashimura

Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
416 KB
Volume
16
Category
Article
ISSN
0032-3861

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πŸ“œ SIMILAR VOLUMES

Conformational analysis of poly-N-methyl
Conformational analysis of poly-N-methyl-L-alanine
✍ A. M. Liquori; P. De Santis πŸ“‚ Article πŸ“… 1967 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 204 KB πŸ‘ 2 views

Sterically allowed forms of the poly-N-methyl-calanine chain were found by calculation of conformational energies as a function of the rotation angles of its chain bonds. The lowest energy form seems to be a right-handed, approximately threefold helix.

Conformational aspects of polypeptides.
Conformational aspects of polypeptides. XXIV. Conformational energies of poly-N-methyl-L-alanine chains
✍ J. E. Mark; Murray Goodman πŸ“‚ Article πŸ“… 1967 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 324 KB πŸ‘ 1 views

Conformational energies of the poly-N-methyl-halanine chain have been calculated as a function of the rotational angles of its skeletal bonds, taking into account torsional potentials, van der Waals repulsions, and London attractions. Four pronounced minima in the energy were found; the relative mag

On the conformations of poly-N-methyl-L-
On the conformations of poly-N-methyl-L-alanine (PNMA) in solution
✍ F. Conti; P. De Santis πŸ“‚ Article πŸ“… 1971 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 380 KB πŸ‘ 2 views

High-resolution nuclear magnetic resonance spectra at 100 MHz have been obtained on poly-iV-methyl-L-alanine in the chloroform-trifluoroacetic acid system under various conditions of solvent composition. Different spectra are observed for the CH,-C,, C,-H, and N-CHI protons. On the basis of conforma

Polymerization of L- and DL-phenylalanin
Polymerization of L- and DL-phenylalanine N-carboxyanhydride by poly(N-methyl-L-alanine)
✍ Yukio Imanishi; Kazuya Kugimiya; Toshinobu Higashimura πŸ“‚ Article πŸ“… 1973 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 617 KB

## Abstract Polymerizations of L‐ and DL‐phenylalanine __N__‐carboxyanhydride in nitrobenzene by poly (__N__‐methyl‐L‐alanine) of varying degrees of polymerization (__n__ = 1–30) were investigated. Poly(__N__‐methyl‐L‐alanine) was prepared by the polymerization of __N__‐methyl‐L‐alanine NCA with __