Solution conformational study of Scyliorhinin I analogues with conformational constraints by two-dimensional NMR and theoretical conformational analysis

2000 ◽  
Vol 56 (3) ◽  
pp. 132-146 ◽  
Author(s):  
S. Rodziewicz-Motowidło ◽  
A. Łegowska ◽  
X.-F. Qi ◽  
C. Czaplewski ◽  
A. Liwo ◽  
...  
Keyword(s):  
Conformational Analysis ◽  
Two Dimensional ◽  
Conformational Study ◽  
Theoretical Conformational Analysis ◽  
Conformational Constraints

NMR and conformational study of branched oligosaccharides containing 2,3-disubstituted residues of α-L-rhamnose

1990 ◽  
Vol 68 (7) ◽  
pp. 1238-1250 ◽  
Author(s):  
Grigory M. Lipkind ◽  
Nikolay E. Nifant'ev ◽  
Alexander S. Shashkov ◽  
Nikolay K. Kochetkov
Keyword(s):  
Experimental Data ◽  
Conformational Analysis ◽  
Nmr Spectra ◽  
Conformational Study ◽  
Theoretical Conformational Analysis ◽  
Conformational States ◽  
Nuclear Overhauser ◽  
C Nmr

1H and 13C NMR spectra have been recorded and the nuclear Overhauser enhancements (in D2O), after pre-irradiation of the anomeric protons, have been measured for tri- and tetrasaccharides containing 2,3-disubstituted residues of α-L-rhamnose and the corresponding disaccharides. The proximity of the conformational states of the disaccharide units in these branched oligosaccharides and in the corresponding disaccharides has been shown, on the basis of both the nOe experimental data and theoretical conformational analysis. This conclusion is also confirmed by data for glycosylation effects in the 13C NMR spectra of the oligosaccharides. Keywords: branched oligosaccharides, 1H and 13C NMR spectra, conformations.

Theoretical conformational analysis of N-acetyl-L-leucine methylamide

1975 ◽  
Vol 11 (2) ◽  
pp. 217-222
Author(s):  
I. S. Maksumov ◽  
S. F. Arkhipova ◽  
G. M. Lipkind ◽  
E. M. Popov
Keyword(s):  
Conformational Analysis ◽  
Theoretical Conformational Analysis
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