SEČKÁŘOVÁ, Pavlína, Radek MAREK, Jiří DOSTÁL, Roger DOMMISSE a Eddy L. ESMANS. Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy. Magnetic Resonance in Chemistry. John Wiley & Sons, Ltd., 2002, roč. 40, č. 2, s. 147-152. ISSN 0749-1581. |
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@article{388191, author = {Sečkářová, Pavlína and Marek, Radek and Dostál, Jiří and Dommisse, Roger and Esmans, Eddy L.}, article_number = {2}, keywords = {NMR; 1H NMR; 13C NMR; benzophenanthridine alkaloids; free base formation; GHMBC; GSQMBC; pseudobases}, language = {eng}, issn = {0749-1581}, journal = {Magnetic Resonance in Chemistry}, title = {Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy}, url = {http://www3.interscience.wiley.com/cgi-bin/abstract/88512831/START}, volume = {40}, year = {2002} }
TY - JOUR ID - 388191 AU - Sečkářová, Pavlína - Marek, Radek - Dostál, Jiří - Dommisse, Roger - Esmans, Eddy L. PY - 2002 TI - Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy JF - Magnetic Resonance in Chemistry VL - 40 IS - 2 SP - 147 EP - 147 PB - John Wiley & Sons, Ltd. SN - 07491581 KW - NMR KW - 1H NMR KW - 13C NMR KW - benzophenanthridine alkaloids KW - free base formation KW - GHMBC KW - GSQMBC KW - pseudobases UR - http://www3.interscience.wiley.com/cgi-bin/abstract/88512831/START N2 - The free bases of eight quaternary benzo[c]phenanthridine alkaloids were investigated by 1H and 13C NMR spectroscopy. The pseudobases (the 6-hydroxy-5,6-dihydro derivatives) were found to be the only products of the alkalization in DMSO-d6 solution. In less polar solvents the formation of the bimolecular aminoacetal structure is preferred. In biological systems, free bases of the alkaloids are assumed to adopt the pseudobase structure. ER -
SEČKÁŘOVÁ, Pavlína, Radek MAREK, Jiří DOSTÁL, Roger DOMMISSE a Eddy L. ESMANS. Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy. \textit{Magnetic Resonance in Chemistry}. John Wiley \&{} Sons, Ltd., 2002, roč.~40, č.~2, s.~147-152. ISSN~0749-1581.
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