| 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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