A New Naphthalenic Lactone Glycoside from the Seeds of Cassia obtusifolia

I. Soo Youn, Ah Reum Han, Jae Sue Choi, Eun Kyoung Seo

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5 Scopus citations


A new naphthalenic lactone glycoside, (3R)-cassialactone 9-O-gentiobioside, was isolated from the seeds of Cassia obtusifolia, along with five known compounds, gluco-obtusifolin, glucoaurantio-obtusin, rubrofusarin 6-O-gentiobioside, chryso-obtusin 2-β-D-glucoside, and 2-O-β-D-glucopyranosyloxy-1,7,8-trimethoxy-3-methylanthraquinone. The structure of 1 was elucidated by spectroscopic data analysis, including 1D and 2D NMR and HR-ESI-MS experiments. Its stereochemistry was determined by CD experiment.

Original languageEnglish
Pages (from-to)429-431
Number of pages3
JournalChemistry of Natural Compounds
Issue number3
StatePublished - 2017


  • Cassia obtusifolia
  • Leguminoseae
  • naphthalenic lactone glycoside


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