4-hydroxynonenal
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| Structural formula of the ( E ) -form with incomplete stereochemistry | ||||||||||
| General | ||||||||||
| Surname | 4-hydroxynonenal | |||||||||
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| Molecular formula | C 9 H 16 O 2 | |||||||||
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| properties | ||||||||||
| Molar mass | 156.22 g mol −1 | |||||||||
| Physical state |
liquid |
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . | ||||||||||
4-hydroxynonenal is a reactive α, β-unsaturated aldehyde selected from the lipid peroxidation multiple unsaturated fatty acids (engl. Polyunsaturated fatty acids - PUFAs ) produced. During this process, proteins are in turn modified under conditions of oxidative stress , i. H. damaged.
history
4-HNE was characterized by Hermann Esterbauer and since then a large number of publications on this substance have appeared.
Biological importance
4-HNE has been linked to various diseases, especially Alzheimer's , cancer and arteriosclerosis .
Isomerism
4-Hydroxynonenal contains an asymmetrically substituted carbon-carbon double bond and an additional stereogenic center. Hence there are four isomeric compounds:
- ( E , R ) -4-hydroxynonenal,
- ( E , S ) -4-hydroxynonenal,
- ( Z , R ) -4-hydroxynonenal and
- ( Z , S ) -4-hydroxynonenal.
Individual evidence
- ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
- ↑ Mikel R. Roe, Hongwei Xie, Sricharan Bandhakavi and Timothy J. Griffin: Using complementary hydrazide chemistry based methods with precursor-ion scanning to characterize potential in vivo sites of HNE modification , ASMS 2006, engl.
- ↑ Esterbauer, H., Schaur, RJ, Zollner, H. Chemistry and biochemistry of 4-hydroxynonenal, malonaldehyde and related aldehydes. Free Rad Biol Med. 1991; 11: 8-1128.
Web links
- HNE club - an interest group for HNE research