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Merck

Dalsympathetin--a new isoflavone gentiobioside from Dalbergia sympathetica (Dennst.).

Natural product research (2005-12-02)
N S Nagarajan, M G Sethuraman, C N Manoj, R Priya Rao
RESUMEN

Two isoflavonoids isolated from Dalbergia sympathetica were identified as 5,4'-dihydroxy-7-methoxyisoflavone (1) (Prunetin) and Prunetin-4'-O-beta-D-gentiobioside (2) (Dalsympathetin). The natural occurrence of Dalsympathetin is reported for the first time. The position of glycosylation in Dalsympathetin at 4'-position has been confirmed by 2D-NMR spectral studies.

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Sigma-Aldrich
Prunetin, ≥98.0% (TLC)