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| ImageName = Chemical structure of ayanin |
| ImageName = Chemical structure of ayanin |
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| IUPACName = 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxychromen-4-one |
| IUPACName = 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxychromen-4-one |
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| OtherNames = 3,7,4'-Tri-O-methylquercetin<br>3,7,4'-trimethylquercetin |
| OtherNames = 3,7,4'-Tri-O-methylquercetin<br>3,7,4'-trimethylquercetin<br>5,3'-dihydroxy-3,7,4'-trimethoxyflavone |
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|Section1= {{Chembox Identifiers |
|Section1= {{Chembox Identifiers |
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| CASNo = 572-32-7 |
| CASNo = 572-32-7 |
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'''Ayanin''' is a [[flavonol]], a type of flavonoid. It can be found in ''[[Croton schiedeanus]]''. It can also be synthetized<ref>[http://www3.interscience.wiley.com/journal/122301975/abstract?CRETRY=1&SRETRY=0 Partial methylation of quercetin: Direct synthesis of tamarixetin, ombuin and ayanin. Koppaka V. Rao, Jacob A. Owoyale, Journal of Heterocyclic Chemistry, Volume 13 Issue 6, Pages 1293 - 1295]</ref>. |
'''Ayanin''' is a [[flavonol]], a type of flavonoid. It can be found in ''[[Croton schiedeanus]]''. It can also be synthetized<ref>[http://www3.interscience.wiley.com/journal/122301975/abstract?CRETRY=1&SRETRY=0 Partial methylation of quercetin: Direct synthesis of tamarixetin, ombuin and ayanin. Koppaka V. Rao, Jacob A. Owoyale, Journal of Heterocyclic Chemistry, Volume 13 Issue 6, Pages 1293 - 1295]</ref>. |
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==Biosynthetis== |
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The enzyme [[3,7-dimethylquercetin 4'-O-methyltransferase]] uses [[S-adenosyl methionine]] and [[5,3',4'-trihydroxy-3,7-dimethoxyflavone]] (rhamnazin) to produce [[S-adenosylhomocysteine]] and 5,3'-dihydroxy-3,7,4'-trimethoxyflavone (ayanin). |
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==References== |
==References== |
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Revision as of 19:31, 18 February 2010
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| Names | |
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| IUPAC name
5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxychromen-4-one
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| Other names
3,7,4'-Tri-O-methylquercetin
3,7,4'-trimethylquercetin 5,3'-dihydroxy-3,7,4'-trimethoxyflavone | |
| Identifiers | |
3D model (JSmol)
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| C18H16O7 | |
| Molar mass | 344.31 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Ayanin is a flavonol, a type of flavonoid. It can be found in Croton schiedeanus. It can also be synthetized[1].
Biosynthetis
The enzyme 3,7-dimethylquercetin 4'-O-methyltransferase uses S-adenosyl methionine and 5,3',4'-trihydroxy-3,7-dimethoxyflavone (rhamnazin) to produce S-adenosylhomocysteine and 5,3'-dihydroxy-3,7,4'-trimethoxyflavone (ayanin).