Cynarine

Cynarine
Names


Preferred IUPAC name (1R,3R,4S,5R)-1,3-Bis{[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-4,5-dihydroxycyclohexane-1-carboxylic acid
Other names 1,5-Dicaffeoylquinic acid; Cynarin; Cinarin; Cinarine
Identifiers
CAS Number	212891-05-9^N
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL2105478^N
ChemSpider	4445082^N
PubChem CID	5281769
UNII	85D81U9JAV^N
InChI InChI=1S/C25H24O12/c26-15-5-1-13(9-17(15)28)3-7-21(31)36-20-12-25(24(34)35,11-19(30)23(20)33)37-22(32)8-4-14-2-6-16(27)18(29)10-14/h1-10,19-20,23,26-30,33H,11-12H2,(H,34,35)/b7-3+,8-4+/t19-,20-,23+,25-/m1/s1^N Key: YDDUMTOHNYZQPO-RVXRWRFUSA-N^N InChI=1/C25H24O12/c26-15-5-1-13(9-17(15)28)3-7-21(31)36-20-12-25(24(34)35,11-19(30)23(20)33)37-22(32)8-4-14-2-6-16(27)18(29)10-14/h1-10,19-20,23,26-30,33H,11-12H2,(H,34,35)/b7-3+,8-4+/t19-,20-,23+,25-/m1/s1 Key: YDDUMTOHNYZQPO-RVXRWRFUBT
SMILES C1[C@H]([C@@H]([C@@H](C[C@]1(C(=O)O)OC(=O)/C=C/C2=CC(=C(C=C2)O)O)OC(=O)/C=C/C3=CC(=C(C=C3)O)O)O)O
Properties
Chemical formula	C₂₅H₂₄O₁₂
Molar mass	516.455 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

Cynarine is a hydroxycinnamic acid derivative and a biologically active chemical constituent of artichoke (Cynara cardunculus).^[1]

Chemically, it is an ester formed from quinic acid and two units of caffeic acid.

References

^ Panizzi, Luigi; Scarpati, Maria Luisa (1954). "Constitution of Cynarine, the Active Principle of the Artichoke". Nature. 174 (4440): 1062–3. doi:10.1038/1741062a0. PMID 13214078. S2CID 4254603.

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

Other esters
with caffeic acid

Caffeoyl phenylethanoid
glycoside (CPG)

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