The 'H and "C NMR spectra of apigeninidin chloride were assigned utilizing the two-dimensional 6,, S, correlation and COLOC and HBMC techniques. The full 13C NMR data are reported for the first time. A good correlation was found between 13C chemical shifts and carbon charge obtained by AM1 calculati
Multinuclear two-dimensional NMR: Assignments of natural abundance polypeptide 13C, 1H and 15N chemical shifts and demonstration of isomer interconversion
β Scribed by George A. Gray
- Publisher
- John Wiley and Sons
- Year
- 1983
- Tongue
- English
- Weight
- 567 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0749-1581
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
The stereochemical and structural analysis of matrine was carried out using nuclear magnetic resonance spectroscopy. Several methods, including ' 3C-'H two-dimensional shift correlation spectroscopy, 'H-'H two-dimensional correlated spectroscopy and measurements of vicinal 'H-'H coupling constants w
## Abstract The efficiency of twoβdimensional homonuclear ^1^Hο£Ώ^1^H NOE spectroscopy in characterizing and fully assigning the ^1^H NMR spectra of several isomers of __meso__β or ringβsubstituted deuteroporphyrins is demonstrated. The carbon resonances of the skeleton and the substituents were full
## Abstract 2D NMR techniques (__J__βresolved ^13^C, ^13^Cο£Ώ^13^C correlated, ^1^Hο£Ώ^13^C correlated) were used to gather more chemical shift and coupling information on the pentacyclic triterpene, lupane. They confirm and complete ^13^C assignments made earlier, and corroborate the constitution and
## Abstract ^1^H, ^13^C and ^15^N NMR chemical shifts of 10 substituted pyrazolo[1,5β__a__]pyrimidines were assigned based on DQF ^1^H, ^1^H COSY, PFG ^1^H, ^13^C HMQC and PFG ^1^H,X (X = ^13^C and ^15^N) HMBC experiments and on literature data. Copyright Β© 2002 John Wiley & Sons, Ltd.