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1 H NMR study of cyclo‐ L ‐Thr‐ L ‐Thr and cyclo‐ L ‐Thr‐ L ‐His conformations
Author(s) -
Ptak Marius,
Heitz Annie
Publication year - 1974
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.1270060612
Subject(s) - chemistry , stereochemistry , residue (chemistry) , biochemistry
Cyclodipeptides containing L ‐Thr and L ‐His residues have been studied by 1 H NMR in D 2 O and DMSO‐ d 6 . In the neutral form in D 2 O as in DMSO‐ d 6 , the folded form of the L ‐His residue is not unique. The diketopiperazine ring seems to be not strictly planar.