Rauniticine-allo-oxindole B and rauniticinic-allo acid B, new heteroyohimbine-type oxindole alkaloids from the stems of Malaysian Uncaria longiflora var. pteropoda

Two new heteroyohimbine-type oxindole alkaloids, rauniticine-allo-oxindole B and rauniticinic-allo acid B, have been successfully isolated from the stems extract of Malaysian Uncaria longiflora var. pteropoda. The structures of the two new alkaloids were determined by spectroscopic analysis.

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Bibliographische Detailangaben
Veröffentlicht in:	Molecules (Basel, Switzerland) Switzerland), 2011-08, Vol.16 (8), p.6541-6548
Hauptverfasser:	Salim, Fatimah, Ismail, Nor Hadiani, Awang, Khalijah, Ahmad, Rohaya
Format:	Artikel
Sprache:	eng
Schlagworte:	Acids Alkaloids - chemistry Alkaloids - isolation & purification Antirheumatic Agents - pharmacology Antirheumatic Agents - therapeutic use Carbon Experiments Fourier transforms heteroyohimbine Humans Indoles - chemistry Indoles - isolation & purification Magnetic Resonance Spectroscopy Methanol - chemistry oxindole alkaloids Oxindoles Phytotherapy - methods Plant Extracts - chemistry Plant Extracts - isolation & purification Plant Stems - chemistry rauniticine-allo-oxindole B rauniticinic-allo acid B Rheumatic Diseases - drug therapy Rheumatic Diseases - pathology rubiaceae Scientific imaging Uncaria - chemistry Uncaria longiflora Yohimbine - analogs & derivatives Yohimbine - chemistry Yohimbine - isolation & purification
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Beschreibung
Zusammenfassung:	Two new heteroyohimbine-type oxindole alkaloids, rauniticine-allo-oxindole B and rauniticinic-allo acid B, have been successfully isolated from the stems extract of Malaysian Uncaria longiflora var. pteropoda. The structures of the two new alkaloids were determined by spectroscopic analysis.
ISSN:	1420-3049 1420-3049
DOI:	10.3390/molecules16086541