1,6-Digalloyl glucose

1-O,6-O-Digalloyl-β-D-glucose is a gallotannin. It can be found in some oak species.[1]

1,6-Digalloyl glucose

Names
IUPAC name [(2R,3S,4S,5R,6S)-3,4,5-Trihydroxy-6-(3,4,5-trihydroxybenzoyl)oxyoxan-2-yl]methyl 3,4,5-trihydroxybenzoate
Other names Digalloyl glucose
Identifiers
3D model (JSmol)	Interactive image
ChemSpider	389206
PubChem CID	440221
InChI InChI=1S/C20H20O14/c21-8-1-6(2-9(22)13(8)25)18(30)32-5-12-15(27)16(28)17(29)20(33-12)34-19(31)7-3-10(23)14(26)11(24)4-7/h1-4,12,15-17,20-29H,5H2/t12-,15-,16+,17-,20+/m1/s1 Key: LYGRISUQIZNHGM-IVABAYMNSA-N InChI=1/C20H20O14/c21-8-1-6(2-9(22)13(8)25)18(30)32-5-12-15(27)16(28)17(29)20(33-12)34-19(31)7-3-10(23)14(26)11(24)4-7/h1-4,12,15-17,20-29H,5H2/t12-,15-,16+,17-,20+/m1/s1 Key: LYGRISUQIZNHGM-IVABAYMNBE
SMILES C1=C(C=C(C(=C1O)O)O)C(=O)OC[C@@H]2[C@H]([C@@H]([C@H]([C@@H](O2)OC(=O)C3=CC(=C(C(=C3)O)O)O)O)O)O
Properties
Chemical formula	C20H20O14
Molar mass	484.366 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

References

1. Mämmelä, Pirjo; Savolainen, Heikki; Lindroos, Lasse; Kangas, Juhani; Vartiainen, Terttu (2000). "Analysis of oak tannins by liquid chromatography-electrospray ionisation mass spectrometry". Journal of Chromatography A. 891 (1): 75–83. doi:10.1016/S0021-9673(00)00624-5. PMID 10999626.