Abstract
From the aerial parts of Hypericum japonicum, two novel chromone glycosides, 5, 7-dihydroxy-2-(1-methylpropyl) chromone-8-β-D-glucoside and 5, 7-dihydroxy-2-isopropylchromone-8-β-D-glucoside, and two new flavonoids, 7, 8-(2', 2'-dimethylpyrano)-5, 3', 4'-trihydroxy-3-mehoxyflavone and (2R, 3R) dihydroquercetin-3, 7-O-α-L-dirhamnoside were isolated together with nine known flavonoids. Their structures were deduced from spectroscopic and chemical evidence. Some of the compounds were found to exert an interesting coagulant activity in an in vitro test.
Original language | English (US) |
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Pages (from-to) | 1417-1420 |
Number of pages | 4 |
Journal | Phytochemistry |
Volume | 49 |
Issue number | 5 |
DOIs | |
State | Published - Nov 5 1998 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Biochemistry
- Molecular Biology
- Plant Science
- Horticulture
Keywords
- (2R,3R) dihydroquercetin-3
- 5, 7- dihydroxy-2-isopropylchromone-8-β-D-glucoside
- 5, 7-dihydroxy-2-(1-methylpropyl) chromone-8-β-D-glucoside
- 7, 8-(2', 2'-dimethylpyrano)- 5, 3', 4'-trihydroxy-3-mehoxyflavone
- 7-O-α-L- dirhamnoside
- Chromone glycoside
- Clusiaceae
- Coagulant activity
- Flavonoid
- Hypericum japonicum