New Caurene-Type Diterpenoid Diglycoside from Pulicaria uliginosa

New Caurene-Type Diterpenoid Diglycoside from Pulicaria uliginosa

The new caurene-type diterpenoid diglycoside puligiendioside was isolated from Pulicaria uliginosa. Its structure was established using PMR and 13 C NMR spectral data and DEPT, HSQC, HMBC, and COSY experiments. The stereochemical features and absolute configuration of asymmetric centers were determi...

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Veröffentlicht in:Chemistry of natural compounds 2017-03, Vol.53 (2), p.299-303
Hauptverfasser: Eshbakova, K. A., Komilov, B. D., Turgunov, K. K., Abdullaev, N. D.
Format: Artikel
Sprache:eng
Schlagworte:
Crystal structure
Medicine
Molecular structure
NMR
Nuclear magnetic resonance
Organic Chemistry
Pharmacy
Plant Sciences
Structural analysis
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Zusammenfassung:The new caurene-type diterpenoid diglycoside puligiendioside was isolated from Pulicaria uliginosa. Its structure was established using PMR and 13 C NMR spectral data and DEPT, HSQC, HMBC, and COSY experiments. The stereochemical features and absolute configuration of asymmetric centers were determined by an X-ray crystal structure analysis. Crystals of the compound contained three water molecules, one of which was disordered over two positions with total population 0.85. Puligiendioside had the structure ent-caur-16-en-15-O-β-xylosyl-19-α-ester-β-glucopyranosyl.
ISSN:0009-3130
1573-8388
DOI:10.1007/s10600-017-1974-7