knipholone

{{Chembox

| ImageFile = Knipholone.svg

| ImageSize = 250px

| ImageCaption = Atropisomerism of knipholone

| PIN = 1-(3-Acetyl-2,6-dihydroxy-4-methoxyphenyl)-4,5-dihydroxy-2-methylanthracene-9,10-dione

| OtherNames =

|Section1={{Chembox Identifiers

| CASNo = 94450-08-5

| CASNo_Ref = {{Cascite|changed|CAS}}

| ChEMBL = 514883

| PubChem = 442753

| ChemSpiderID = 391095

| ChEBI = 6141

| KEGG = C10365

| SMILES = COc1cc(O)c(c(O)c1C(C)=O)-c1c(C)cc(O)c2C(=O)c3c(O)cccc3C(=O)c12

| InChI = 1/C24H18O8/c1-9-7-13(27)20-21(22(29)11-5-4-6-12(26)18(11)24(20)31)16(9)19-14(28)8-15(32-3)17(10(2)25)23(19)30/h4-8,26-28,30H,1-3H3

| InChIKey = DUENHQWYLVQDQK-UHFFFAOYAR

| StdInChI = 1S/C24H18O8/c1-9-7-13(27)20-21(22(29)11-5-4-6-12(26)18(11)24(20)31)16(9)19-14(28)8-15(32-3)17(10(2)25)23(19)30/h4-8,26-28,30H,1-3H3

| StdInChIKey = DUENHQWYLVQDQK-UHFFFAOYSA-N

}}

|Section2={{Chembox Properties

| Formula = C₂₅H₂₀O₈

| MolarMass = 448.42 g/mol

| Appearance =

| Density =

| MeltingPt =

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| Solubility =

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|Section3={{Chembox Hazards

| MainHazards =

| FlashPt =

| AutoignitionPt =

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Knipholone is a chemical compound found in the roots of Kniphofia foliosa of the family Asphodelaceae.{{Cite journal |last=Dagne |first=Ermias |last2=Steglich |first2=Wolfgang |date=1984-01-01 |title=Knipholone: a unique anthraquinone derivative from Kniphofia foliosa |url=https://www.sciencedirect.com/science/article/pii/S0031942200834792 |journal=Phytochemistry |language=en |volume=23 |issue=8 |pages=1729–1731 |doi=10.1016/S0031-9422(00)83479-2 |issn=0031-9422}}{{Cite journal |last=Wube |first=A. A. |last2=Bucar |first2=F. |last3=Asres |first3=K. |last4=Gibbons |first4=S. |last5=Adams |first5=M. |last6=Streit |first6=B. |last7=Bodensieck |first7=A. |last8=Bauer |first8=R. |date=2005-09-19 |title=Knipholone, a selective inhibitor of leukotriene metabolism |url=https://pubmed.ncbi.nlm.nih.gov/16716917/ |journal=Phytomedicine: International Journal of Phytotherapy and Phytopharmacology |volume=13 |issue=6 |pages=452–456 |doi=10.1016/j.phymed.2005.01.012 |issn=0944-7113 |pmid=16716917}}