Quadrangularin A

Quadrangularin A
Names
	IUPAC name (1E,2R,3R)-2-(3,5-dihydroxyphenyl)-3-(4-hydroxyphenyl)-1-[(4-hydroxyphenyl)methylidene]-2,3-dihydroindene-4,6-diol
	Other names (±)-Quadrangularin A
Identifiers
CAS Number	252557-25-8;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:76192;
ChemSpider	4476724;
PubChem CID	5318096;
	InChI InChI=1S/C28H22O6/c29-18-5-1-15(2-6-18)9-23-24-13-22(33)14-25(34)28(24)27(16-3-7-19(30)8-4-16)26(23)17-10-20(31)12-21(32)11-17/h1-14,26-27,29-34H/b23-9-/t26-,27+/m1/s1 Key: BIQMSWPBPAKGSE-PBSLAQMISA-N;
	SMILES C1=CC(=CC=C1C=C2C(C(C3=C(C=C(C=C23)O)O)C4=CC=C(C=C4)O)C5=CC(=CC(=C5)O)O)O;
Properties
Chemical formula	C28H22O6
Molar mass	454.47 g/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Quadrangularin A is an oligostilbene found in Cissus quadrangularis[1] and in Parthenocissus laetevirens.[2] It is a resveratrol dimer.

References

Total Synthesis of (±)-Quadrangularin A. Wenling Li, Hao Li, Ying Li and Zijie Hou, Angewandte Chemie International Edition, Volume 45, Issue 45, page 7609-7611, doi:10.1002/anie.200603097
Characterization of polyphenol compounds from the roots and stems of Parthenocissus laetevirens by high-performance liquid chromatography/tandem mass spectrometry. Juanjuan Chen, Shan He, Hui Mao, Cuirong Sun and Yuanjiang Pan, Rapid Commun. Mass Spectrom., 2009, volume 23, pages 737–744, doi:10.1002/rcm

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