Abstract
Two new glycosidic acids, multifidinic acids F and G, were isolated from the glycosidic acid fraction afforded by alkaline hydrolysis of the ether-insoluble resin glycoside (convolvulin) fraction from the seeds of Quamoclit × multifida (syn. Q. sloteri House, Convolvulaceae), a hybrid between Q. pennata and Q. coccinea. The two compounds are the third and fourth examples of bisdesmosides of glycosidic acids having sugar linkages at C-3 of 3,11-dihydroxytetradecanoic acid (ipurolic acid) as well as at C-11.
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Acknowledgments
We express our appreciation to Mr. H. Harazono of Fukuoka University for his measurement of the FAB-MS.
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Ono, M., Akiyama, K., Kishida, M. et al. Two new glycosidic acids, multifidinic acids F and G, of the ether-insoluble resin glycoside (convolvulin) from the seeds of Quamoclit × multifida . J Nat Med 67, 822–826 (2013). https://doi.org/10.1007/s11418-012-0730-3
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DOI: https://doi.org/10.1007/s11418-012-0730-3