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15N NMR spectral parameters for structure elucidation and conformational analysis of nitrogen-containing compoundsтезисы доклада
- Авторы: Chertkov V.A., Shestakova A.K., Cheshkov D.A., Pushkareva A.A., Smirnova O.V.
- Сборник: International Symposium and Summer School in Saint Petersburg “Nuclear Magnetic Resonance in Condenced Matter”, 7th Meeting “NMR in Heterogeneous Systems”, Saint-Peterburg, 2010
- Тезисы
- Год издания: 2010
- Место издания: Saint-Peterburg, Solo puplishing Saint-Peterburg Russia
- Первая страница: 114
- Последняя страница: 114
- Аннотация: Current strategy of structure elucidation for nitrogen containing aromatic heterocycles imply routine use of 15N HMBC experiments optimized on certain values of long-range spin-spin couplings 15N-H. To our knowledge, the proper choice of reliable supporting data for these parameters is difficult. There is little or no experimental data available up to date even for such important model systems like indole, quinoline and azobenzene - the basic structures for alkaloids, variety of natural products and dye-stuffs.Accurate data for isotope chemical shifts of 1H and 13C nuclei caused by substitution of 14N by 15N in aromatic compounds is collected. Analysis of these data reveals systematic trends, which can be of use for practical applications.
- Добавил в систему: Чертков Вячеслав Алексеевич