Chemistry:Octahydroxyanthraquinone
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| IUPAC name
1,2,3,4,5,6,7,8-Octahydroxy-9,10-anthracenedione
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| Other names
Octahydroxyanthracenedione
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| Properties | |||
| C14H8O12 | |||
| Molar mass | 368.206 g·mol−1 | ||
| log P | -0.291 | ||
| Acidity (pKa) | 5.358 | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
 verify (what is   ?)
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Octahydroxyanthraquinone is an organic compound with formula C14H8O12, formally derived from anthraquinone by replacement of 8 hydrogen atoms by hydroxyl groups.
The compound was obtained in 1911 by Georg von Georgievics[1][2] and can be obtained through oxidation of rufigallol (1,2,3,5,6,7-hexahydroxyanthraquinone) with boric acid and mercuric oxide in sulfuric acid at 250 °C (482 °F).[3]
Esters of octahydroxyanthraquinone, where all eight hydroxyls are replaced by straight-chain 1-alkanecarboxylate groups H3C-(CH2)n-COO-, with n between 6 and 14, are liquid crystals and have been studied for possible LCD applications.[3]
Octahydroxyanthraquinone is active against the malaria parasite, but rufigallol (1,2,3,5,6,7-hexahydroxyanthraquinone) is 22 times more potent.[4]
References
- ↑ Georgievics, G. v. (1911). "Darstellung und Eigenschaften des Octooxyanthrachinons". Monatshefte für Chemie 32: 347. doi:10.1007/BF01518160.
- ↑ Wahl, Andre; Atack, F. W (1919) The Manufacture Of Organic Dyestuffs. G. Bell And Sons, Limited. Online version accessed on 2010-01-22.
- ↑ 3.0 3.1 Kumar, Sandeep (2008). "Rufigallol-based self-assembled supramolecular architectures". Phase Transitions 81: 113. doi:10.1080/01411590701601610.
- ↑ Winter, R (1995). "Hydroxy-anthraquinones as antimalarial agents". Bioorganic & Medicinal Chemistry Letters 5: 1927. doi:10.1016/0960-894X(95)00326-O.
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