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Published on: April 22, 2022
Dalsympathetin--a new isoflavone gentiobioside from Dalbergia sympathetica (Dennst.)
N S Nagarajan1, M G Sethuraman, C N Manoj
1Department of Chemistry, Gandhigram Rural Institute, Deemed University, Gandhigram - 624 302, Tamil Nadu, India. nsndgl@yahoo.co.in
Abstract:
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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