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Note | Regular issue | Vol 63, No. 6, 2004, pp.1429-1436
Published online, 9th April, 2004
DOI: 10.3987/COM-04-10054
Two New Naphthalenyl Glucosides and a New Phenylbutyric Acid Glucoside from the Fruit of Juglans mandshurica

Lijuan Liu, Wei Li, Kazuo Koike, and Tamotsu Nikaido*

*Department of Pharmacognosy, School of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274-8510, Japan


Two new naphthalenyl glucosides, juglanosides F - G (1 - 2) and a new phenylbutyric acid glucoside, juglanoside H (3), along with three known naphthalenyl glucosides (4 - 6) were isolated from the fresh rejuvenated fruit of Juglans mandshurica. The structures of the new compounds were elucidated as 1,4,5-trihydroxynaphthalene 1,4-di-O-β-D-glucopyranoside (1), 1,4,5-trihydroxy- naphthalene 1,5-di-O-β-D-glucopyranoside (2), (R)-4-hydroxy-4-(3-hydroxy- phenyl)butyric acid 4-O-β-D-glucopyranoside (3), on the basis of spectroscopic analysis and chemical evidence.