scholarly journals 13C NMR Assignments of the Methine Carbons in Polypropylene Using Two-Dimensional 13C-13C INADEQUATE NMR Spectroscopy

1989 ◽  
Vol 21 (10) ◽  
pp. 809-814 ◽  
Author(s):  
Tatsuya Miyatake ◽  
Yoshio Kawai ◽  
Yoshinori Seki ◽  
Masahiro Kakugo ◽  
Kunio Hikichi
Keyword(s):  
Nmr Spectroscopy ◽  
13C Nmr ◽  
Nmr Assignments ◽  
Two Dimensional

scholarly journals Structural Elucidation of Pimarane and Isopimarane Diterpenoids: The 13C NMR Contribution

2008 ◽  
Vol 3 (3) ◽  
pp. 1934578X0800300 ◽  
Author(s):  
Ana M. L. Seca ◽  
Diana C. G. A. Pinto ◽  
Artur M. S. Silva
Keyword(s):  
Nmr Spectroscopy ◽  
13C Nmr ◽  
Nmr Assignments ◽  
Structural Elucidation ◽  
Synthetic Compounds ◽  
Chiral Centers ◽  
Pimarane Diterpenoids ◽  
Biosynthetic Studies ◽  
C Nmr ◽  
Natural And Synthetic

13C NMR spectroscopy is actually one of the first tools used for the structural elucidation of natural and synthetic compounds and it is also used in biosynthetic studies. The aim of this review is to present the 13C NMR assignments of a large number of pimarane diterpenoids, describing the most significant effects caused by different substitution patterns and different stereochemistry at their chiral centers.

13C NMR Assignments of the Protonated Carbons of [d(TAGCGCTA)]2by Two-Dimensional Proton-Detected Heteronuclear Correlation

1988 ◽  
Vol 5 (5) ◽  
pp. 1089-1099 ◽  
Author(s):  
Steven R. LaPlante ◽  
Joseph Ashcroft ◽  
David Cowburn ◽  
George C. Levy ◽  
Philip N. Borer
Keyword(s):  
13C Nmr ◽  
Nmr Assignments ◽  
Two Dimensional ◽  
Heteronuclear Correlation

Identification of Aminopyrimidine Regioisomers via Line Broadening Effects in 1H and 13C NMR Spectroscopy

2004 ◽  
Vol 57 (11) ◽  
pp. 1079 ◽  
Author(s):  
James Garner ◽  
Tim Hill ◽  
Luke Odell ◽  
Paul Keller ◽  
Jody Morgan ◽  
...  
Keyword(s):  
Nmr Spectroscopy ◽  
13C Nmr ◽  
Diagnostic Tool ◽  
Room Temperature ◽  
Medicinal Chemistry ◽  
13C Nmr Spectroscopy ◽  
Primary Amines ◽  
Two Dimensional ◽  
Line Broadening ◽  
1H And 13C Nmr

Substituted mono- and diamino-pyrimidines were synthesized as part of our medicinal chemistry programmes. Primary amines substituted at the 4-position exhibited room-temperature line broadening effects in both 1H and 13C NMR spectroscopy due to the presence of rotamers, but these effects were not observed for substituents in the 2-position. This provided a simple diagnostic tool for the identification of regioisomers, a determination which would otherwise have required two-dimensional experiments.

Two-dimensional coherence transfer NMR spectroscopy by isotropic mixing: application to protein NMR assignments

1987 ◽  
Vol 109 (19) ◽  
pp. 5842-5844 ◽  
Author(s):  
Paul L. Weber ◽  
Larry C. Sieker ◽  
T. S. Anantha Samy ◽  
Brian R. Reid ◽  
Gary P. Drobny
Keyword(s):  
Nmr Spectroscopy ◽  
Nmr Assignments ◽  
Protein Nmr ◽  
Two Dimensional ◽  
Coherence Transfer ◽  
Isotropic Mixing
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