1H and 13C NMR study of quaternary benzo
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Radek Marek; JaromΓr TouΕ‘ek; JiΕΓ DostΓ‘l; JiΕΓ SlavΓk; Roger Dommisse; VladimΓr
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Article
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1999
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John Wiley and Sons
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English
β 105 KB
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C and in some cases also 15 N chemical shifts of quaternary benzo[c]phenanthridine alkaloids (fagaronine, chelerythrine, chelilutine, chelirubine, nitidine, sanguilutine, sanguinarine, and sanguirubine) were systematically studied by NMR spectroscopy and ab initio calculations. The assignment of sig