A New Naphthalenic Lactone Glycoside from the Seeds of Cassia obtusifolia

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

Research output: Contribution to journalArticlepeer-review

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

Bibliographical note

Funding Information:
This research was funded by a grant (12172MFDS989) from the Ministry of Food and Drug Safety in 2012 and supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. NRF-2013R1A2A2A01067336).

Publisher Copyright:
© 2017, Springer Science+Business Media New York.


  • Cassia obtusifolia
  • Leguminoseae
  • naphthalenic lactone glycoside


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