From Wikipedia, the free encyclopedia
2,5-Dihydroxycinnamic acid
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Names
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Preferred IUPAC name
(2E)-3-(2,5-Dihydroxyphenyl)prop-2-enoic acid
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Other names
(2E)-3-(2,5-Dihydroxyphenyl)acrylic acid, grevillic acid
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Identifiers
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ChemSpider
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UNII
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InChI=1S/C9H8O4/c10-7-2-3-8(11)6(5-7)1-4-9(12)13/h1-5,10-11H,(H,12,13) Key: JXIPYOZBOMUUCA-UHFFFAOYSA-N
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C1=CC(=C(C=C1O)C=CC(=O)O)O
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Properties
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C9H8O4
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Molar mass
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180.159 g·mol−1
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Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
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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
References
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Aglycones | 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 | |
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others | |
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Esters | glycoside-likes | Esters of caffeic acid with cyclitols | |
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Glycosides | |
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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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Echinacoside
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Calceolarioside A,
B,
C,
F
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Chiritoside A,
B,
C
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Cistanoside A,
B,
C,
D,
E,
F,
G,
H
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Conandroside
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Myconoside
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Pauoifloside
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Plantainoside A
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Plantamajoside
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Tubuloside B
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Verbascoside (
Isoverbascoside,
2′-Acetylverbascoside)
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Oligomeric forms | Dimers |
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Diferulic acids (DiFA) :
5,5′-Diferulic acid,
8-O-4′-Diferulic acid,
8,5′-Diferulic acid,
8,5′-DiFA (DC),
8,5′-DiFA (BF),
8,8′-Diferulic acid
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Trimers | |
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Tetramers | |
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Conjugates with
coenzyme A (CoA) | |
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