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Conformational studies of peptide systems. NMR and IR spectra of N-acetyl-alanyl-phenylalanine and N-acetyl-phenylalanyl-alanine ethyl esters.

✍ Scribed by V.F. Bystrov; S.L. Portnova; T.A. Balashova; V.I. Tsetlin; V.T. Ivanov; P.V. Kostetzky; Yu.A. Ovchinnikov

Publisher: Elsevier Science
Year: 1969
Tongue: French
Weight: 230 KB
Volume: 10
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)88944-9

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✦ Synopsis

In a prwioua efndy, the conformational states of alanyl-alsnlne dipepti-~8 in solution have been elucidated: The study was largely based on the uependent of the NH-CE vicinal proton couplw constant upon the dihedral angle 8 between the ENC snd JJCCH planes: 3JIvHCrr P A ooE?e -B ~0.~8 +C sin2& Values for this tlepcnclence calculated on a IL;-360/60 computer for values the coefficients varying within the following limits (1)r 8.9 L A 4 9.8 Hz,

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