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Names | |
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Preferred IUPAC name
3,4,5-Trihydroxy-2-[(3,7,8-trihydroxy-5,10-dioxo-5,10-dihydro[1]benzopyrano[5,4,3-cde][1]benzopyran-2-yl)oxy]benzoate | |
Other names
Valoneic acid bislactone
Valoneic acid bilactone | |
Identifiers | |
3D model (
JSmol)
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ChemSpider | |
PubChem
CID
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UNII | |
CompTox Dashboard (
EPA)
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Properties | |
C21H10O13 | |
Molar mass | 470.28 g/mol |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
Valoneic acid dilactone is a hydrolysable tannin that can be isolated from the heartwood of Shorea laevifolia [1] and in oaks species like the North American white oak ( Quercus alba) and European red oak ( Quercus robur). [2]
It shows an inhibitory effect on 5α-reductase, [1] an enzyme involved in steroids metabolism and prostate cancer.
![]() | |
Names | |
---|---|
Preferred IUPAC name
3,4,5-Trihydroxy-2-[(3,7,8-trihydroxy-5,10-dioxo-5,10-dihydro[1]benzopyrano[5,4,3-cde][1]benzopyran-2-yl)oxy]benzoate | |
Other names
Valoneic acid bislactone
Valoneic acid bilactone | |
Identifiers | |
3D model (
JSmol)
|
|
ChemSpider | |
PubChem
CID
|
|
UNII | |
CompTox Dashboard (
EPA)
|
|
| |
| |
Properties | |
C21H10O13 | |
Molar mass | 470.28 g/mol |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
Valoneic acid dilactone is a hydrolysable tannin that can be isolated from the heartwood of Shorea laevifolia [1] and in oaks species like the North American white oak ( Quercus alba) and European red oak ( Quercus robur). [2]
It shows an inhibitory effect on 5α-reductase, [1] an enzyme involved in steroids metabolism and prostate cancer.