Four new resin glycosides, murasakimasarins I–IV, from the tuber of Ipomoea batatas

Masateru Ono, Sena Teramoto, Saori Naito, Asuka Takahashi, Akito Yoneda, Masato Shinkai, Naoki Taga, Sin Yasuda,Ryota Tsuchihasi,Masafumi Okawa,Junei Kinjo,Hitoshi Yoshimitsu,Toshihiro Nohara

Journal of Natural Medicines（2018）

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摘要

Four new resin glycosides having macrolactone structures (jalapins), murasakimasarins I–IV, were isolated from the tubers of Ipomoea batatas (L.) Lam. (‘Murasakimasari’, Convolvulaceae), along with three known glycosides. Their structures were determined on the basis of spectroscopic data as well as chemical evidence. Murasakimasarin III is the first representative of a resin glycoside with 10-methylundecanoic acid as the component organic acid.

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关键词

Resin glycoside,Jalapin,Ipomoea batatas,Convolvulaceae,Murasakimasarin,10-methylundecanoic acid

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