Engeletin

Engeletin is a flavanonol rhamnoside, a phenolic compound found in wine^[1] and isolated from the bark of Hymenaea martiana.^[2]

Engeletin

Chemical structure of engeletin
Names
IUPAC name (2R,3R)-4′,5,7-Trihydroxy-3-(α-L-rhamnopyranosyloxy)flavan-4-one
Preferred IUPAC name (2R,3R)-5,7-Dihydroxy-2-(4-hydroxyphenyl)-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}-4H-1-benzopyran-4-one
Other names dihydrokaempferol 3-rhamnoside Engelitin
Identifiers
CAS Number	572-31-6 Y
3D model (JSmol)	Interactive image
PubChem CID	6453452
CompTox Dashboard (EPA)	DTXSID70972649
InChI InChI=1S/C21H22O10/c1-8-15(25)17(27)18(28)21(29-8)31-20-16(26)14-12(24)6-11(23)7-13(14)30-19(20)9-2-4-10(22)5-3-9/h2-8,15,17-25,27-28H,1H3/t8-,15-,17+,18+,19+,20-,21-/m0/s1 Key: VQUPQWGKORWZII-WDPYGAQVSA-N
SMILES CC1C(C(C(C(O1)OC2C(OC3=CC(=CC(=C3C2=O)O)O)C4=CC=C(C=C4)O)O)O)O
Properties
Chemical formula	C21H22O10
Molar mass	434.397 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

See also

• Phenolic compounds in wine

References

1. Trousdale, E. K.; Singleton, V. L. (1983). "Astilbin and Engeletin in Grapes and Wine". Phytochemistry. 22 (2): 619–20. Bibcode:1983PChem..22..619T. doi:10.1016/0031-9422(83)83072-6.
2. Carneiro, E.; Calixto, J. B.; Monache‌, F. D.; Yunes, R. A. (1993). "Isolation, Chemical Identification and Pharmacological Evaluation of Eucryphin, Astilbin and Engelitin Obtained from the Bark of Hymenaea martiana". Pharmaceutical Biology. 31 (1): 38–46. doi:10.3109/13880209309082916.