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Description
| - 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.
- 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. (en)
- 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. (cs)
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Title
| - Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy
- Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy (en)
- Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy (cs)
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skos:prefLabel
| - Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy
- Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy (en)
- Structural studies of benzophenanthridine alkaloid free bases by NMR spectroscopy (cs)
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skos:notation
| - RIV/00216224:14310/02:00005245!RIV09-MSM-14310___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/00216224:14310/02:00005245
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - NMR; 1H NMR; 13C NMR; benzophenanthridine alkaloids; free base formation; GHMBC; GSQMBC; pseudobases (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Magnetic Resonance in Chemistry
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Dostál, Jiří
- Marek, Radek
- Sečkářová, Pavlína
- Dommisse, Roger
- Esmans, Eddy L.
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http://linked.open...ain/vavai/riv/wos
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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