Coutaric acid

Coutaric acid
Names

Preferred IUPAC name (2R,3R)-2-Hydroxy-3-{[(2E)-3-(4-hydroxyphenyl)prop-2-enoyl]oxy}butanedioic acid
Other names trans-coutaric acid cis-coutaric acid trans-p-Coumaroyltartaric acid cis-p-coumaroyl-(+)-tartaric acid trans-p-coumaroyl-(+)-tartaric acid cis-Coumaroyl tartaric acidbr>trans-Coumaroyl tartaric acid
Identifiers
CAS Number	27174-07-8^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:77439^N
ChemSpider	26325199^N
PubChem CID	57517924
UNII	K874CF6AHR^Y
CompTox Dashboard (EPA)	DTXSID80726998
InChI InChI=1S/C13H12O8/c14-8-4-1-7(2-5-8)3-6-9(15)21-11(13(19)20)10(16)12(17)18/h1-6,10-11,14,16H,(H,17,18)(H,19,20)/b6-3+/t10-,11-/m1/s1^N Key: INYJZRKTYXTZHP-NNPIPJJVSA-N^N InChI=1/C13H12O8/c14-8-4-1-7(2-5-8)3-6-9(15)21-11(13(19)20)10(16)12(17)18/h1-6,10-11,14,16H,(H,17,18)(H,19,20)/b6-3+/t10-,11-/m1/s1 Key: INYJZRKTYXTZHP-NNPIPJJVBX
SMILES c1cc(ccc1/C=C/C(=O)O[C@H]([C@H](C(=O)O)O)C(=O)O)O
Properties
Chemical formula	C₁₃H₁₂O₈
Molar mass	296.231 g·mol⁻¹
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references

Chemical compound

Coutaric acid is a hydroxycinnamoyltartaric acid found in wine, pomace^[1] and grape.^[2] It is an ester formed from coumaric acid and tartaric acid.

References

^ Maier, T.; Sanzenbacher, S.; Kammerer, D. R.; Berardini, N.; Conrad, J. R.; Beifuss, U.; Carle, R.; Schieber, A. (2006). "Isolation of hydroxycinnamoyltartaric acids from grape pomace by high-speed counter-current chromatography". Journal of Chromatography A. 1128 (1–2): 61–67. doi:10.1016/j.chroma.2006.06.082. PMID 16860334.
^ Singleton, V. L.; Zaya, J.; Trousdale, E. K. (1986). "Caftaric and coutaric acids in fruit of Vitis". Phytochemistry. 25 (9): 2127. doi:10.1016/0031-9422(86)80078-4.

Types of hydroxycinnamic acids

Aglycones

Precursor	Cinnamic acid
Monohydroxycinnamic acids (Coumaric acids)	p-Coumaric acid o-Coumaric acid m-Coumaric acid
Dihydroxycinnamic acids	Caffeic acid (3,4-dihydroxycinnamic acid) Umbellic acid (2,4-dihydroxycinnamic acid) 2,3-Dihydroxycinnamic acid 2,5-Dihydroxycinnamic acid 3,5-Dihydroxycinnamic acid
Trihydroxycinnamic acids	2,4,5-Trihydroxycinnamic acid 3,4,5-Trihydroxycinnamic acid
O-methylated forms	Ferulic acid 5-Hydroxyferulic acid Isoferulic acid Sinapinic acid
others	Plicatin A Plicatin B

Esters

glycoside-likes

Esters of
caffeic acid
with cyclitols

esters of quinic acid	Chlorogenic acid (3-caffeoylquinic acid) Cryptochlorogenic acid (4-O-caffeoylquinic acid) Neochlorogenic acid (5-O-Caffeoylquinic acid) Cynarine (1,5-dicaffeoylquinic acid) 3,4-dicaffeoylquinic acid 3,5-dicaffeoylquinic acid
esters of shikimic acid	Dactylifric acid (3-O-caffeoylshikimic acid)

Glycosides

Ferulic acid glucoside
p-Coumaric acid glucoside
1-Sinapoyl-D-glucose

Tartaric acid esters

Caftaric acid
Chicoric acid (dicaffeoyltartaric acid)
Coutaric acid
Fertaric acid
Grape reaction product (caftaric acid conjugated with glutathione)

Other esters
with caffeic acid

Caffeoylmalic acid
Ethyl caffeate
Methyl caffeate
Caffeic acid phenethyl ester (CAPE)
Rosmarinic acid (ester with 3,4-dihydroxyphenyllactic acid)

Caffeoyl phenylethanoid
glycoside (CPG)

Echinacoside
Calceolarioside A, B, C, F
Chiritoside A, B, C
Cistanoside A, B, C, D, E, F, G, H
Conandroside
Myconoside
Pauoifloside
Plantainoside A
Plantamajoside
Tubuloside B
Verbascoside (Isoverbascoside, 2′-Acetylverbascoside)

Oligomeric forms

Dimers	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
Trimers	Triferulic acids : 5-5′,8′-O-4″-Triferulic acid
Tetramers	Tetraferulic acids