C Nuclear Magnetic Resonance of Lupane-Type Triterpenes, Lupeol, Betulin and Betulinic Acid
The 13C NMR apectra of lupane-type triterpenes, lupeol (1), its acetate (2), betulin (3) and betulinic acid (4), were recorded and the signals assigned.
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Veröffentlicht in: | Chemical & pharmaceutical bulletin 1980/03/25, Vol.28(3), pp.1006-1008 |
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Hauptverfasser: | , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The 13C NMR apectra of lupane-type triterpenes, lupeol (1), its acetate (2), betulin (3) and betulinic acid (4), were recorded and the signals assigned. |
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ISSN: | 0009-2363 1347-5223 |
DOI: | 10.1248/cpb.28.1006 |