One‐bond C‐α,H coupling constants in amino acids and peptides  pH dependence and substituent increments | Zendy

Egli Huldrych | Zendy; von Philipsborn W. | Zendy

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One‐bond C‐α,H coupling constants in amino acids and peptides pH dependence and substituent increments

Author(s) -

Egli Huldrych,

von Philipsborn W.

Publication year - 1981

Publication title -

organic magnetic resonance

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0030-4921

DOI - 10.1002/mrc.1270150417

Subject(s) - sarcosine , tripeptide , chemistry , substituent , alanine , amino acid , glycine , alkyl , stereochemistry , hydrogen bond , medicinal chemistry , organic chemistry , molecule , biochemistry

One‐bond C‐α,H coupling constants are reported for glycine, alanine, sarcosine and related di‐ and tripeptides. A detailed study of the pH dependence of 1 J (C‐α,H) has led to a determination of additive increments, ζ, for the functional groups NH 3 , NHCO, COO − , and CONH which can be used, together with known values for NH 2 , COOH and alkyl substituents, to calculate 1 J (C‐α,H) in amino acids and peptides.

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