Oritin

Oritin
Names
	IUPAC name (2S,3R)-2-(4-Hydroxyphenyl)-3,4-dihydro-2H-chromene-3,7,8-triol
Identifiers
3D model (JSmol)	Interactive image;
PubChem CID	101553669;
	InChI InChI=1S/C15H14O5/c16-10-4-1-8(2-5-10)14-12(18)7-9-3-6-11(17)13(19)15(9)20-14/h1-6,12,14,16-19H,7H2/t12-,14+/m1/s1 Key: CWRQBLAVCJKBEK-OCCSQVGLSA-N;
	SMILES C1[C@H]([C@@H](OC2=C1C=CC(=C2O)O)C3=CC=C(C=C3)O)O;
Properties
Chemical formula	C14H14O5
Molar mass	262.261 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

Oritin is a flavan-3-ol, a type of flavonoid. It is a component of the proteracacinidin tannins of Acacia galpinii and Senegalia afra (Acacia afra).^[1]^[2]

References

^ Bennie, Linette; Coetzee, Johan; Malan, Elfranco; Slade, Desmond; Marais, Jannie P.J.; Ferreira, Daneel (2004). "Trimeric proteracacinidins and a (6→6)-bis-leucoteracacinidin from Acacia galpinii and Acacia caffra". Phytochemistry. 65 (2): 215–220. Bibcode:2004PChem..65..215B. doi:10.1016/j.phytochem.2003.10.004. PMID 14732281.
^ Zhang, Jie; Yang, Jun; Duan, Jicheng; Liang, Zhen; Zhang, Lihua; Huo, Yushu; Zhang, Yukui (2005). "Quantitative and qualitative analysis of flavonoids in leaves of Adinandra nitida by high performance liquid chromatography with UV and electrospry ionization tandem mass spectrometry detection". Analytica Chimica Acta. 532 (1): 97–104. Bibcode:2005AcAC..532...97Z. doi:10.1016/j.aca.2004.10.042.

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v t Flavan-3-ols and their glycosides
Flavan-3-ols	Afzelechin Catechin (Epicatechin) Epicatechin gallate Epigallocatechin Fisetinidol Gallocatechin Guibourtinidol Mesquitol Oritin Robinetinidol
O-methylated flavan-3ols	Meciadanol (3-O-methylcatechin) Ourateacatechin (4′-O-methyl-(−)-epigallocatechin)
Glycosides	Arthromerin A (Afzelechin-3-O-β-D-xylopyranoside) Arthromerin B (Afzelechin-3-O-β-D-glucopyranoside) Catechin-3-O-glucoside Catechin-3'-O-glucoside Catechin-4'-O-glucoside Catechin-5-O-glucoside Catechin-7-O-glucoside (+)-Catechin 7-O-β-D-xylopyranoside Epicatechin-3′-O-glucoside Glochiflavanoside A, B, C D Polydine ((+)-catechin 7-O-α-L-arabinoside) Symplocoside (3’-O-methyl-(-)-epicatechin 7-O-β-D-glucopyranoside)
Acetylated	Phylloflavan
Gallate esters	Epigallocatechin gallate Gallocatechin gallate
Misc.	Thearubigins