Structure elucidation of a new bicoumarin derivative from the leaves of Dysoxylum parasiticum (Osbeck) Kosterm

Structure elucidation of a new bicoumarin derivative from the leaves of Dysoxylum parasiticum (Osbeck) Kosterm

A new bicoumarin derivative, bidysoxyletine (1), was isolated from the leaves of Dysoxylum parasiticum (Osbeck) Kosterm. The structure of 1 was elucidated by analysis of NMR, UV, IR, HR­ESITOFMS, and DDFT approach using the B3LYP exchange‐correlation function for 13C NMR and UV spectroscopic data. T...

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Veröffentlicht in:Magnetic resonance in chemistry 2022-08, Vol.60 (8), p.857-863
Hauptverfasser: Sofian, Ferry Ferdiansyah, Subarnas, Anas, Koseki, Takuya, Shiono, Yoshihito
Format: Artikel
Sprache:eng
Schlagworte:
NMR
Nuclear magnetic resonance
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Zusammenfassung:A new bicoumarin derivative, bidysoxyletine (1), was isolated from the leaves of Dysoxylum parasiticum (Osbeck) Kosterm. The structure of 1 was elucidated by analysis of NMR, UV, IR, HR­ESITOFMS, and DDFT approach using the B3LYP exchange‐correlation function for 13C NMR and UV spectroscopic data. The results indicated that the structure of 1 possessed a dibenzonapthyrone skeleton.
ISSN:0749-1581
1097-458X
DOI:10.1002/mrc.5268