2,5-Dihydroxycinnamic acid
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Preferred IUPAC name (2E)-3-(2,5-Dihydroxyphenyl)prop-2-enoic acid | |
Other names (2E)-3-(2,5-Dihydroxyphenyl)acrylic acid, grevillic acid | |
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Properties | |
Chemical formula | C9H8O4 |
Molar mass | 180.159 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references |
Chemical compound
2,5-Dihydroxycinnamic acid is a hydroxycinnamic acid derivative. It is an isomer of caffeic acid.
Preparation
2,5-Dihydroxycinnamic acid is produced by Elbs persulfate oxidation of o-coumaric acid.[1][2]
See also
- Homogentisic acid
- Gentisic acid
References
- ^ Cain, J.C.; Greenaway, A.J. (1907). "Abstracts of Papers on Organic chemistry". Journal of the Chemical Society, Abstracts. 92: A741–A812. doi:10.1039/CA9079200741.
- ^ Otto, Neubauer; Flatow, L. (1907). "Synthesen von Alkaptonsäuren". Zeitschrift für Physiologische Chemie. 52 (3–4): 375–398. doi:10.1515/bchm2.1907.52.3-4.375.
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Types of hydroxycinnamic acids
Precursor |
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Monohydroxycinnamic acids (Coumaric acids) |
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Dihydroxycinnamic acids |
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Trihydroxycinnamic acids |
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O-methylated forms | |
others |
glycoside-likes |
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Tartaric acid esters |
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Other esters with caffeic acid |
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Caffeoyl phenylethanoid glycoside (CPG) |
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Dimers |
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Trimers |
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Tetramers |
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coenzyme A (CoA)
- Caffeoyl-CoA
- Cinnamoyl-CoA
- Coumaroyl-CoA
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