New .ALPHA.-Tetralonyl Glucosides from the Fruit of Juglans mandshurica
- 1 January 2004
- journal article
- Published by Pharmaceutical Society of Japan in CHEMICAL & PHARMACEUTICAL BULLETIN
- Vol. 52 (5) , 566-569
- https://doi.org/10.1248/cpb.52.566
Abstract
Five new alpha-tetralonyl glucosides, juglanosides A-E (1-5) were isolated from the fresh rejuvenated fruit of Juglans mandshurica. Their structures were elucidated as (4S)-4-hydroxy-alpha-tetralone 4-O-beta-D-glucopyranoside (1), (4S)-4,5-dihydroxy-alpha-tetralone 4-O-beta-D-glucopyranoside (2), (4S)-4,6-dihydroxy-alpha-tetralone 4-O-beta-D-glucopyranoside (3), (4S)-4,5,8-trihydroxy-alpha-tetralone 4-O-beta-D-glucopyranoside (4), and (4S)-4,5,8-trihydroxy-alpha-tetralone 5-O-beta-D-glucopyranoside (5) on the basis of spectroscopic analysis and chemical evidence.Keywords
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