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Physical properties: orange yellow long needle crystal (crystallization in crystallization of orange in the acetone, the methanol is yellow), melting point 256 ℃ ~ 257 ℃. Special reaction with anthraquinone. It is almost insoluble in water, soluble
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inquiryAnalysis tests Standard Results Appearance Orange-yellow powder Conforms Assay 95%min
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inquiry518-82-1 - Physico-chemical Properties Molecular Formula C15H10O5 Molar Mass 270.24 Density 1.3280 (rough estimate) Melting Point 255°C (dec.)(lit.) Boling Point 373.35°C (rough est
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Name:Emodin Alias: Cinnabaranthin English Name:Emodin Molecular formula:C15H10O5 Molecular weight:270.23 Packaging Specification: 25kg/drum high purity 99%min stock Hubei DiBo Chemical Co., Ltd. was founded in 2009, is a high-tech industr
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inquiryProduct Name: Emodin Synonyms: Emodin, ≥80%(HPLC);6-METHYL-1,3,8-TRIHYDROXYANTHRAQUINONE;6-METHYL-1,3,8-TRIHYDROXYANTHROQUINONE;9,10-ANTHRACENEDIONE, 1,3,8-TRIHYDROXY-6-METHYL-;1,3,8-TRIHYDROXY-6-METHYL-9-10-ANTHRACENEDIONE;1,3,8-TRIHYDROXY-6-M
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inquiryDensity: 1.3280 (rough estimate) Melting point: 255 ° C (dec.) (lit.) Boiling point: 373.35 ° C (rough estimate) Water solubility:<0.1 g/100 mL at 19 º C Solubility: DMSO: solid Refractive index: 1.5000 (estimated) Acidity coefficient
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inquiryName:1,3,8-Trihydroxy-6-methylanthraquinone CAS:518-82-1 MF: C15H10O5 Appearance:Brown yellow powder Storage:Store in cool and dry place, away from sun light. Package:25kg Application:1. In health product field, tuber fleece flower root extract pow
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inquiry· Name:Emodin · Formula:C15H10O5 · EINECS:208-258-8 ·&nbs... Appearance:Solid powder Storage:dry and cool place Package:1kg/pack Application:pharma Transportation:BY AIR,EMS,FEDEX Port:shanghai port
We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
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inquiryEmodin CAS:518-82-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, stero
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Superiority We can customize and synthesize products that other suppliers may not be able to provide. Advantage cof, mof ligand manufacturer Product Detail bes
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Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
1,6,8-triacetoxy-3-methyl-9,10-anthraquinone
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With sodium hydroxide at 80℃; for 2h; | 100% |
With water; trifluoroacetic acid at 72℃; for 20h; | 42% |
Conditions | Yield |
---|---|
With boron tribromide In dichloromethane at 0 - 20℃; Inert atmosphere; | 98% |
With hydrogen bromide; acetic acid | |
With hydrogen bromide |
(R)-3,4-dihydro-3,8,9,10-tetrahydroxy-6-methylanthracen-1(2H)-one
A
Chrysophanol
B
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
C
(−)-flavoskyrin
Conditions | Yield |
---|---|
With oxygen In aq. phosphate buffer; acetonitrile at 10℃; for 10h; pH=6; Solvent; | A 10% B n/a C 72% |
1,3,8-trimethoxy-6-methyl-9,10-anthraquinone
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With sulfuric acid at 160℃; |
Conditions | Yield |
---|---|
at 320℃; | |
With quinoline; copper oxide-chromium oxide at 170 - 190℃; |
2-(2-hydroxy-4-methyl-benzoyl)-3,5-dimethoxy-benzoic acid
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide; boric acid Erhitzen des Reaktionsprodukts mit KBr und H3PO4; |
1,3-diamino-8-hydroxy-6-methyl-anthraquinone
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With sulfuric acid Diazotization.Erhitzen des Reaktionsgemisches auf dem Wasserbad; | |
With sulfuric acid Diazotization.Erhitzen des Reaktionsgemisches auf dem Wasserbad; |
5,7-dihydroxy-1,4-naphthoquinone
3-methyl-1-triethylsilyloxy-1-trimethylsilyloxy-1,3-butadiene
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With hydrogenchloride 1.) toluene, 80-100 deg C, 3 h; 2.) MeOH, rt., 10 h; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With hydrogen bromide In acetic acid Heating; | |
With hydrogen bromide In acetic acid for 24h; Heating; | 6 mg |
Multi-step reaction with 2 steps 1: AlCl3 2: HBr View Scheme |
1,2,6,7,8-pentamethoxy-3-methylanthraquinone
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With chromium(VI) oxide; phosphorus; hydrogen iodide 1.) reflux, 5.5 h; 2.) Ac2O, AcOH, reflux, 2 h; Yield given. Multistep reaction; |
euxanmodin A
A
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
B
euxanthone
Conditions | Yield |
---|---|
With alkaline dithionite |
A
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With iron(III) chloride In sulfuric acid for 1h; Heating; |
A
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
B
3-geranyloxy-6-methyl-1,8-dihydroxy-anthraquinone
Conditions | Yield |
---|---|
In pyridine for 3h; Ambient temperature; |
3-geranyloxy-6-methyl-1,8-dihydroxy-anthraquinone
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With sulfuric acid In methanol for 5h; Heating; | 20 mg |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With hydrogen bromide In acetic acid |
Conditions | Yield |
---|---|
Product distribution; Mechanism; biotransformation by emodinanthrone oxygenase from Aspergillus terreus: relative activity; | |
With His-ActVA-ORF5 monooxygenase; His-ActVA-VB monooxygenase; NADH; Flavin mononucleotide; sodium hydroxide; 2,2'-piperazine-1,4-diyl-bis-ethanesulfonic acid; catalase In ethyl methyl ether at 25℃; for 0.166667h; pH=7; Kinetics; Reagent/catalyst; Enzymatic reaction; |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With chromium(VI) oxide; acetic acid at 50℃; |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With chromium; acetic acid |
Conditions | Yield |
---|---|
at 160℃; |
sulfuric acid
1,3,8-trimethoxy-6-methyl-9,10-anthraquinone
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
at 160℃; |
catenarin
hydrogen iodide
acetic acid
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
Erwaermen des Reaktionsprodukts mit CrO3 in wss.Essigsaeure; |
1,3,8-trimethoxy-6-methyl-9,10-anthraquinone
A
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
at 115℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 87 percent / 12 h / Heating 2: BuLi/i-Pr2NH / tetrahydrofuran / - 20 deg C, 30 min, then rt., 12 h 3: 2.) 5percent HCl / 1.) toluene, 80-100 deg C, 3 h; 2.) MeOH, rt., 10 h View Scheme |
Trimethylsilyl 3-methyl-2-butenoate
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: BuLi/i-Pr2NH / tetrahydrofuran / - 20 deg C, 30 min, then rt., 12 h 2: 2.) 5percent HCl / 1.) toluene, 80-100 deg C, 3 h; 2.) MeOH, rt., 10 h View Scheme |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine / 3 h / Ambient temperature 2: 20 mg / 2N H2SO4 / methanol / 5 h / Heating View Scheme |
7-methyljuglone
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: benzene / 24 h / Ambient temperature 2: KOH, sodium nitrosodisulfonate / CH2Cl2; methanol / 2 h / Ambient temperature 3: 92 percent / 0.5 h / 160 °C 4: 35percent aq.HBr / acetic acid / Heating View Scheme | |
Multi-step reaction with 3 steps 2: AlCl3 3: HBr View Scheme |
1,4-dihydro-1,3-dimethoxy-8-hydroxy-6-methyl-1,4-ethano-9,10-anthraquinone
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 92 percent / 0.5 h / 160 °C 2: 35percent aq.HBr / acetic acid / Heating View Scheme |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
acetic anhydride
1,6,8-triacetoxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With pyridine at 60 - 70℃; for 4h; | 98% |
With pyridine at 70℃; for 4h; | 98% |
With pyridine at 70℃; for 4h; | 98% |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
dimethyl sulfate
1,3,8-trimethoxy-6-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate for 0.333333h; microwave, 600 W (75 deg C); | 98% |
With tetrabutylammomium bromide; potassium carbonate at 75℃; for 0.333333h; microwave irradiation; | 98% |
With potassium carbonate In acetonitrile Inert atmosphere; Reflux; | 98% |
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid; tin(ll) chloride at 120℃; for 24h; | 98% |
With hydrogenchloride; tin(II) chloride dihdyrate; acetic acid for 2h; Reflux; Green chemistry; | 96% |
With hydrogenchloride; acetic acid; tin(ll) chloride In water for 2h; Reflux; | 95% |
Conditions | Yield |
---|---|
Stage #1: 1,6,8-trihydroxy-3-methyl-9,10-anthraquinone With chromium(VI) oxide In acetic anhydride; acetic acid at 65℃; for 8h; Stage #2: With sodium carbonate In water | 98% |
Stage #1: 1,6,8-trihydroxy-3-methyl-9,10-anthraquinone With pyridine at 20℃; Stage #2: With chromium(VI) oxide; acetic anhydride; acetic acid In water at 45 - 65℃; for 8h; | 98% |
Multi-step reaction with 3 steps 1: 85 percent / H2SO4 / 0.67 h / 60 °C 2: 84 percent / CrO3 / acetic acid; acetic anhydride / 3.5 h / 70 °C 3: 85 percent / aq. NaOH / 2 h / 80 °C View Scheme | |
Multi-step reaction with 3 steps 1: 130 mg / conc. sulfuric acid / 0.5 h / 70 °C 2: 21 mg / chromium(IV) oxide / acetic acid; acetic anhydride / 24 h / Ambient temperature 3: 2 N potassium hydroxide / 0.25 h / 75 °C View Scheme | |
Multi-step reaction with 3 steps 1: pyridine / 4 h / 70 °C 2: chromic acid; acetic anhydride; acetic acid; chromium(VI) oxide / 24 h / 70 °C 3: potassium hydroxide / 0.5 h / 70 °C View Scheme |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 45 - 50℃; | 97% |
trifluoromethylsulfonic anhydride
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
3-trifluoromethanesulfonyloxy-1,8-dihydroxy-6-methyl-anthraquinone
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; for 4h; | 95% |
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene at 20℃; for 5h; Inert atmosphere; | 95% |
With [bis(acetoxy)iodo]benzene at 20℃; for 5h; | 24% |
ethyl 3-(chloroformyl)propionate
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0 - 20℃; for 3h; | 94.7% |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
4-bromo-3-methyl-1,6,8-trihydroxyanthraquinone
Conditions | Yield |
---|---|
With 1,4-dioxane dibromide In acetic acid at 25℃; | 94% |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
7-bromo-1,6,8-trihydroxy-3-methylanthraquinone
Conditions | Yield |
---|---|
With 1,4-dioxane dibromide In diethyl ether at 5℃; | 94% |
With bromine In dichloromethane for 3h; Ambient temperature; |
Conditions | Yield |
---|---|
With potassium carbonate; silver(l) oxide In acetone at 20℃; for 16h; | 92% |
With potassium carbonate In acetone Inert atmosphere; Reflux; | 77% |
With potassium carbonate In acetone for 18h; Reflux; | 44% |
With sodium methylate at 60℃; |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
hexadecanyl bromide
3-hexadecyloxy-1,8-dihydroxy-6-methylanthracene-9,10-dione
Conditions | Yield |
---|---|
With sodium carbonate In N,N-dimethyl-formamide at 20 - 120℃; for 0.25h; Microwave irradiation; | 90.2% |
With potassium carbonate In N,N-dimethyl-formamide at 60 - 70℃; for 4h; |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With N-Bromosuccinimide In tetrahydrofuran at 0 - 20℃; Reflux; Inert atmosphere; | 90% |
With N-Bromosuccinimide In tetrahydrofuran at 20℃; | 80% |
With N-Bromosuccinimide In tetrahydrofuran at 20℃; |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
1-dodecylbromide
3-(dodecyloxy)-1,8-dihydroxy-6-methylanthracene-9,10-dione
Conditions | Yield |
---|---|
With sodium carbonate In N,N-dimethyl-formamide at 20 - 120℃; for 0.25h; Microwave irradiation; | 89% |
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 4h; Inert atmosphere; | 78% |
With potassium carbonate In N,N-dimethyl-formamide at 60 - 70℃; for 4h; |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With phosphorus pentachloride; water In benzene Hydrolysis; phosphorylation; | 88% |
1-bromo-hexane
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
3-hexyloxy-1,8-dihydroxy-6-methylanthracene-9,10-dione
Conditions | Yield |
---|---|
With sodium carbonate In N,N-dimethyl-formamide at 20 - 120℃; for 0.25h; Microwave irradiation; | 87.5% |
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene In water at 20℃; for 5h; Inert atmosphere; | 87% |
1-bromo-butane
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
3-butoxy-1,8-dihydroxy-6-methylanthracene-9,10-dione
Conditions | Yield |
---|---|
With sodium carbonate In N,N-dimethyl-formamide at 20 - 120℃; for 0.25h; Microwave irradiation; | 86.7% |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
3-bromomethyl-1,6,8-trihydroxy-anthraquinone
Conditions | Yield |
---|---|
With Perbenzoic acid; bromine In 1,4-dioxane for 2h; Heating; | 86% |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With sulfuryl dichloride In dichloromethane; chloroform; acetonitrile at 20℃; for 48h; Inert atmosphere; regioselective reaction; | 86% |
With hydrogenchloride; dihydrogen peroxide; acetic acid at 78℃; for 0.5h; |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
2,4,5,7-tetrabromo-3-methyl-1,6,8-trihydroxyanthraquinone
Conditions | Yield |
---|---|
With bromine; iodine In tetrachloromethane; ethanol at 170 - 180℃; for 18h; | 85% |
Conditions | Yield |
---|---|
With triethylamine In tetrachloromethane; isopropyl alcohol for 14h; Ambient temperature; | 85% |
Conditions | Yield |
---|---|
With triethylamine In tetrachloromethane; isopropyl alcohol for 14h; Ambient temperature; | 85% |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With iodine; sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; for 0.5h; w; | 85% |
With iodine; sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; Reflux; Inert atmosphere; | 78% |
With peracetic acid; phosphoric acid; sodium iodide In ethanol | |
With iodine; sodium hydrogencarbonate In water |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
3-bromo-hexan-2-one
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 45 - 50℃; | 85% |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
Conditions | Yield |
---|---|
With potassium tert-butylate In N,N-dimethyl-formamide for 0.5h; Microwave irradiation; | 85% |
1-bromo-octane
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
1,8-dihydroxy-6-methyl-3-octyloxyanthracene-9,10-dione
Conditions | Yield |
---|---|
With sodium carbonate In N,N-dimethyl-formamide at 20 - 120℃; for 0.25h; Microwave irradiation; | 84.1% |
With potassium carbonate In N,N-dimethyl-formamide at 60 - 70℃; for 4h; |
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
4-methyl-benzaldehyde
dimethyl amine
C25H23NO5
Conditions | Yield |
---|---|
In 1,4-dioxane at 65℃; for 24h; Mannich Aminomethylation; | 83% |
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