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词条 Sakuranetin
释义

  1. Glycosides

  2. Metabolism

  3. References

{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 401003343
| Name = Sakuranetin
| ImageFile = Sakuranetin.svg
| ImageSize = 250px
| ImageName = Sakuranetin
| IUPACName = (2S)-5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-2,3-dihydrochromen-4-one
| OtherNames = 4',5-Dihydroxy-7-methoxyflavanone
Naringenin 7-methyl ether
|Section1={{Chembox Identifiers
| IUPHAR_ligand = 412
| CASNo_Ref = {{cascite|correct|??}}
| CASNo = 2957-21-3
| ChEBI_Ref = {{ebicite|changed|EBI}}
| ChEBI = 28927
| EINECS =
| ChEMBL_Ref = {{ebicite|changed|EBI}}
| ChEMBL = 448297
| SMILES = COC1=CC(=C2C(=O)CC(OC2=C1)C3=CC=C(C=C3)O)O
| PubChem = 73571
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 66249
| InChI = 1/C16H14O5/c1-20-11-6-12(18)16-13(19)8-14(21-15(16)7-11)9-2-4-10(17)5-3-9/h2-7,14,17-18H,8H2,1H3/t14-/m0/s1
| InChIKey = DJOJDHGQRNZXQQ-AWEZNQCLBK
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 1S/C16H14O5/c1-20-11-6-12(18)16-13(19)8-14(21-15(16)7-11)9-2-4-10(17)5-3-9/h2-7,14,17-18H,8H2,1H3/t14-/m0/s1
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = DJOJDHGQRNZXQQ-AWEZNQCLSA-N
|Section2={{Chembox Properties
| Formula = C16H14O5
| MolarMass = 286.27 g/mol
| MeltingPt =
| Solvent =
| SolubleOther =
}}Sakuranetin is a flavan-on, the 7-methoxy derivative of naringenin, found in Polymnia fruticosa[1] and rice, where it acts as a phytoalexin against spore germination of Pyricularia oryzae.[2]

Glycosides

Sakuranin is the 5-O-glucoside of sakuranetin.

Metabolism

biosynthesis
Naringenin 7-O-methyltransferase uses naringenin to yield sakuranetin, with S-adenosyl-methionine as the methyl donor.[3]
biodegradation

In compounds like 7-methoxylated flavanones like sakuranetin, demethylation followed by sulfation occur in model organism Cunninghamella elegans.[4]

References

1. ^Sakuranetin on home.ncifcrf.gov
2. ^Sakuranetin, a flavonone phytoalexin from ultraviolet-irradiated rice leaves, Kodama O., Miyakawa J., Akatsuka T., Kiyosawa S, 1992
3. ^[https://archive.today/20130201211746/http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WBK-45N4GT2-9B&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_searchStrId=1008043052&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=b5ce9688193d37235ca07d89a3b11991 A Methyltransferase for Synthesis of the Flavanone Phytoalexin Sakuranetin in Rice Leaves, Randeep Rakwala, Morifumi Hasegawab and Osamu Kodama, 1996]
4. ^{{Cite journal | doi = 10.1248/cpb.51.203 | last1 = Ibrahim | first1 = A. R. | last2 = Galal | first2 = A. M. | last3 = Ahmed | first3 = M. S. | last4 = Mossa | first4 = G. S. | title = O-demethylation and sulfation of 7-methoxylated flavanones by Cunninghamella elegans | journal = Chemical & Pharmaceutical Bulletin | volume = 51 | issue = 2 | pages = 203–206 | year = 2003 | pmid = 12576658| id= {{INIST|14569933}}}}
{{Flavanone}}{{natural phenol-stub}}

3 : Aromatase inhibitors|O-Methylated flavanones|Phytoalexins

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