Echinenone
Names | |
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IUPAC name β,β-Caroten-4-one | |
Systematic IUPAC name 2,4,4-Trimethyl-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohex-1-en-1-yl)octadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl]cyclohex-2-en-1-one | |
Other names Myxoxanthine | |
Identifiers | |
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.006.441 |
PubChem CID |
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InChI
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Properties | |
Chemical formula | C40H54O |
Molar mass | 550.871 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N (what is YN ?) Infobox references |
Chemical compound
Echinenone is a xanthophyll, with formula C40H54O. It is found in some cyanobacteria.[1] It is synthesized from β-carotene by the enzyme beta-carotene ketolase (or CrtW). It has also been isolated from sea urchins.[2]
References
- ^ E. H. Schwartzel and J. J. Cooney (October 1970). "Isolation and identification of echinenone from Micrococcus roseus". Journal of Bacteriology. 104 (1): 272–274. doi:10.1128/jb.104.1.272-274.1970. PMC 248210. PMID 5473895.
- ^ Lederer, E.; Moore, T. (1936). "Echinenone as a Provitamin A". Nature. 137 (3476): 996. Bibcode:1936Natur.137..996L. doi:10.1038/137996b0. ISSN 0028-0836.
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Carotenoids
- Acitretin
- Alitretinoin
- Bexarotene
- Etretinate
- Fenretinide
- Isotretinoin
- Tazarotene
- Temarotene
- Tretinoin
- Zuretinol acetate