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Kono Chem Co.,Ltd

Superiority pioneerbiotech is a leading manufacturer and supplier of chemicals in China. We develop ,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best q

Emodin

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $800.0 / 1000.0

Type:Other

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Xian Changyue Biological Technology Co., Ltd.

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

Emodin

Cas:518-82-1

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Greenutra Resource Inc

Rhubarb Extract Powder has an illustrious history of inclusion in many laxative preparations. Rhubarb is generally considered a mild laxative that produces a soft stool 6-10 hours after ingestion. Rhubarb is especially well suited for children sinc

Pure Natural Rhubarb Extract Powder

Cas:518-82-1

Min.Order:25 Kilogram

FOB Price: $18.0 / 50.0

Type:Trading Company

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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Emodin Manufacturer/High quality/Best price/In stock

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Analysis tests Standard Results Appearance Orange-yellow powder Conforms Assay 95%min

High quality Emodin with best price cas:518-82-1

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $250.0 / 350.0

Type:Manufacturers

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Emodin supplier in China

Cas:518-82-1

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ

Emodin CAS 518-82-1

Cas:518-82-1

Min.Order:100 Gram

FOB Price: $690.0

Type:Manufacturers

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Xi'an Quanao Biotech Co., Ltd.

We are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,

Natural Polygonum cuspidatum extract 98% Emodin

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $265.0 / 270.0

Type:Manufacturers

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Natural Extract 98% Emodin 518-82-1 HACCP Manufacturer

Cas:518-82-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Xi`an Eastling Biotech Co., Ltd.

518-82-1 - 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

Top Quality Natural Emodin

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $35.0 / 49.0

Type:Lab/Research institutions

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Emodin

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Rhubarb Extract

Cas:518-82-1

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Emodin

Cas:518-82-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

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

Emodin material/powder /CAS:518-82-1

Cas:518-82-1

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

Product 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

518-82-1 Emodin

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $240.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Density: 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

Emodin 518-82-1

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Name: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

1,3,8-Trihydroxy-6-methylanthraquinone

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

New production CAS 518-82-1 with best quality

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Hot Sell Factory Supply Raw Material CAS 518-82-1 Emodin

Cas:518-82-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White crystalline fine powder Storage:Store in sealed contai

Emodin,Antibacterial plant extract,Polygonum cuspidatum extract,518-82-1

Cas:518-82-1

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

· 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

Hotsale Emodin

Cas:518-82-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

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

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At pre

Factory Supply Natural Polygonum Cuspidatum Extract Emodin 98% CAS 518-82-1

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $500.0 / 570.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Emodin 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

Emodin CAS:518-82-1

Cas:518-82-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Emodin

Cas:518-82-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Superiority We can customize and synthesize products that other suppliers may not be able to provide. Advantage cof, mof ligand manufacturer Product Detail bes

factory supply 99% Emodin ; Emodin, 95%, from Rheum palmatum L.CAS:518-82-1

Cas:518-82-1

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

inquiry

Wuhan Wonda Pharm Limited

1.High Quality: Quality is life. Quality is the most important element for all goods. We have a lab doing research in Wuhan China and produce sarms in bulk quantity. We have 8 years experience making all kinds of sarms. And all our old customers

95% emodin from Polygonum cuspidatum extract

Cas:518-82-1

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

Emodin

Cas:518-82-1

Min.Order:1 Kilogram

FOB Price: $280.0 / 300.0

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Emodin

Cas:518-82-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

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

Emodin

Cas:518-82-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

1,6,8-triacetoxy-3-methyl-9,10-anthraquinone
6030-60-0

1,6,8-triacetoxy-3-methyl-9,10-anthraquinone

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With sodium hydroxide at 80℃; for 2h;100%
With water; trifluoroacetic acid at 72℃; for 20h;42%
physcion
521-61-9

physcion

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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
1396259-15-6

(R)-3,4-dihydro-3,8,9,10-tetrahydroxy-6-methylanthracen-1(2H)-one

A

Chrysophanol
481-74-3

Chrysophanol

B

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

C

(−)-flavoskyrin
39546-16-2, 115729-00-5

(−)-flavoskyrin

Conditions
ConditionsYield
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
6414-42-2

1,3,8-trimethoxy-6-methyl-9,10-anthraquinone

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With sulfuric acid at 160℃;
endocrocin
481-70-9

endocrocin

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
at 320℃;
With quinoline; copper oxide-chromium oxide at 170 - 190℃;
2-(2-hydroxy-4-methyl-benzoyl)-3,5-dimethoxy-benzoic acid
54130-71-1

2-(2-hydroxy-4-methyl-benzoyl)-3,5-dimethoxy-benzoic acid

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With sulfuric acid; sulfur trioxide; boric acid Erhitzen des Reaktionsprodukts mit KBr und H3PO4;
1,3-diamino-8-hydroxy-6-methyl-anthraquinone
861790-72-9

1,3-diamino-8-hydroxy-6-methyl-anthraquinone

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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
4923-54-0

5,7-dihydroxy-1,4-naphthoquinone

3-methyl-1-triethylsilyloxy-1-trimethylsilyloxy-1,3-butadiene
155787-91-0

3-methyl-1-triethylsilyloxy-1-trimethylsilyloxy-1,3-butadiene

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With hydrogenchloride 1.) toluene, 80-100 deg C, 3 h; 2.) MeOH, rt., 10 h; Yield given. Multistep reaction;
emodin-6,8-di-O-methyl ether
5018-84-8

emodin-6,8-di-O-methyl ether

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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
81892-82-2

1,2,6,7,8-pentamethoxy-3-methylanthraquinone

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With chromium(VI) oxide; phosphorus; hydrogen iodide 1.) reflux, 5.5 h; 2.) Ac2O, AcOH, reflux, 2 h; Yield given. Multistep reaction;
euxanmodin A
127506-72-3

euxanmodin A

A

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

B

euxanthone
529-61-3

euxanthone

Conditions
ConditionsYield
With alkaline dithionite
3-((E)-3,7-Dimethyl-octa-2,6-dienyl)-7'-((E)-3,7-dimethyl-octa-2,6-dienyloxy)-2,4,5,4',5'-pentahydroxy-7,2'-dimethyl-9H,9'H-[9,9']bianthracenyl-10,10'-dione

3-((E)-3,7-Dimethyl-octa-2,6-dienyl)-7'-((E)-3,7-dimethyl-octa-2,6-dienyloxy)-2,4,5,4',5'-pentahydroxy-7,2'-dimethyl-9H,9'H-[9,9']bianthracenyl-10,10'-dione

A

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

B

2-geranyl-1,8-dihydroxy-6-methylanthraquinone

2-geranyl-1,8-dihydroxy-6-methylanthraquinone

Conditions
ConditionsYield
With iron(III) chloride In sulfuric acid for 1h; Heating;
vismione D

vismione D

A

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

B

3-geranyloxy-6-methyl-1,8-dihydroxy-anthraquinone
87605-71-8

3-geranyloxy-6-methyl-1,8-dihydroxy-anthraquinone

Conditions
ConditionsYield
In pyridine for 3h; Ambient temperature;
3-geranyloxy-6-methyl-1,8-dihydroxy-anthraquinone
87605-71-8

3-geranyloxy-6-methyl-1,8-dihydroxy-anthraquinone

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With sulfuric acid In methanol for 5h; Heating;20 mg
Acetic acid 4-hydroxy-5-methoxy-7-methyl-9,10-dioxo-9,10-dihydro-anthracen-2-yl ester

Acetic acid 4-hydroxy-5-methoxy-7-methyl-9,10-dioxo-9,10-dihydro-anthracen-2-yl ester

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With hydrogen bromide In acetic acid
emodinanthrone
491-60-1

emodinanthrone

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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;
emodin anthranol

emodin anthranol

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With chromium(VI) oxide; acetic acid at 50℃;
emodinol

emodinol

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With chromium; acetic acid
physcion
521-61-9

physcion

sulfuric acid
7664-93-9

sulfuric acid

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
at 160℃;
sulfuric acid
7664-93-9

sulfuric acid

1,3,8-trimethoxy-6-methyl-9,10-anthraquinone
6414-42-2

1,3,8-trimethoxy-6-methyl-9,10-anthraquinone

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
at 160℃;
emodinanthrone
491-60-1

emodinanthrone

acetic acid
64-19-7

acetic acid

CrO3

CrO3

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

catenarin
476-46-0

catenarin

hydrogen iodide
10034-85-2

hydrogen iodide

acetic acid
64-19-7

acetic acid

red phosphorus

red phosphorus

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
Erwaermen des Reaktionsprodukts mit CrO3 in wss.Essigsaeure;
1,3,8-trimethoxy-6-methyl-9,10-anthraquinone
6414-42-2

1,3,8-trimethoxy-6-methyl-9,10-anthraquinone

AlCl3 (1part )

AlCl3 (1part )

A

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

B

emodinmonomethyl ether

emodinmonomethyl ether

C

emodindimethyl ether (?)

emodindimethyl ether (?)

Conditions
ConditionsYield
at 115℃;
emodin anthrone
491-61-2

emodin anthrone

air oxygen

air oxygen

alkali

alkali

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

3-Methylbutenoic acid
541-47-9

3-Methylbutenoic acid

aqueous HOCl

aqueous HOCl

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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
25436-25-3

Trimethylsilyl 3-methyl-2-butenoate

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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
vismione D

vismione D

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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
14787-38-3

7-methyljuglone

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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
139565-30-3

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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

acetic anhydride
108-24-7

acetic anhydride

1,6,8-triacetoxy-3-methyl-9,10-anthraquinone
6030-60-0

1,6,8-triacetoxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

dimethyl sulfate
77-78-1

dimethyl sulfate

1,3,8-trimethoxy-6-methyl-9,10-anthraquinone
6414-42-2

1,3,8-trimethoxy-6-methyl-9,10-anthraquinone

Conditions
ConditionsYield
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%
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

emodinanthrone
491-60-1

emodinanthrone

Conditions
ConditionsYield
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%
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

emodic acid
478-45-5

emodic acid

Conditions
ConditionsYield
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
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

1-bromoacetone
598-31-2

1-bromoacetone

6-(2-oxopropoxy)-1,8-dihydroxy-3-methylanthra-9,10-quinone

6-(2-oxopropoxy)-1,8-dihydroxy-3-methylanthra-9,10-quinone

Conditions
ConditionsYield
With potassium carbonate In acetone at 45 - 50℃;97%
trifluoromethylsulfonic anhydride
358-23-6

trifluoromethylsulfonic anhydride

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

3-trifluoromethanesulfonyloxy-1,8-dihydroxy-6-methyl-anthraquinone
401621-24-7

3-trifluoromethanesulfonyloxy-1,8-dihydroxy-6-methyl-anthraquinone

Conditions
ConditionsYield
With pyridine In dichloromethane at 0℃; for 4h;95%
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

ethylenediamine
107-15-3

ethylenediamine

1-((2-aminoethyl)amino)-2,4,5-trihydroxy-7-methylanthracene-9,10-dione

1-((2-aminoethyl)amino)-2,4,5-trihydroxy-7-methylanthracene-9,10-dione

Conditions
ConditionsYield
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
14794-31-1

ethyl 3-(chloroformyl)propionate

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

1,8-dihydroxy-6-methyl-9,10-anthraquinone-3-oxy ethyl succinate

1,8-dihydroxy-6-methyl-9,10-anthraquinone-3-oxy ethyl succinate

Conditions
ConditionsYield
With pyridine In dichloromethane at 0 - 20℃; for 3h;94.7%
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

4-bromo-3-methyl-1,6,8-trihydroxyanthraquinone
134070-50-1

4-bromo-3-methyl-1,6,8-trihydroxyanthraquinone

Conditions
ConditionsYield
With 1,4-dioxane dibromide In acetic acid at 25℃;94%
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

7-bromo-1,6,8-trihydroxy-3-methylanthraquinone
18521-77-2

7-bromo-1,6,8-trihydroxy-3-methylanthraquinone

Conditions
ConditionsYield
With 1,4-dioxane dibromide In diethyl ether at 5℃;94%
With bromine In dichloromethane for 3h; Ambient temperature;
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

methyl iodide
74-88-4

methyl iodide

physcion
521-61-9

physcion

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

hexadecanyl bromide
112-82-3

hexadecanyl bromide

3-hexadecyloxy-1,8-dihydroxy-6-methylanthracene-9,10-dione
1204768-60-4

3-hexadecyloxy-1,8-dihydroxy-6-methylanthracene-9,10-dione

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

1,3-dibromo-2,4,5-trihydroxy-7-methylanthracene-9,10-dione

1,3-dibromo-2,4,5-trihydroxy-7-methylanthracene-9,10-dione

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

1-dodecylbromide
143-15-7

1-dodecylbromide

3-(dodecyloxy)-1,8-dihydroxy-6-methylanthracene-9,10-dione
1204768-48-8

3-(dodecyloxy)-1,8-dihydroxy-6-methylanthracene-9,10-dione

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

C15H7Cl8O7P3

C15H7Cl8O7P3

Conditions
ConditionsYield
With phosphorus pentachloride; water In benzene Hydrolysis; phosphorylation;88%
1-bromo-hexane
111-25-1

1-bromo-hexane

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

3-hexyloxy-1,8-dihydroxy-6-methylanthracene-9,10-dione
1204768-25-1

3-hexyloxy-1,8-dihydroxy-6-methylanthracene-9,10-dione

Conditions
ConditionsYield
With sodium carbonate In N,N-dimethyl-formamide at 20 - 120℃; for 0.25h; Microwave irradiation;87.5%
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

ethylamine
75-04-7

ethylamine

1-(ethylamino)-2,4,5-trihydroxy-7-methylanthracene-9,10-dione

1-(ethylamino)-2,4,5-trihydroxy-7-methylanthracene-9,10-dione

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene In water at 20℃; for 5h; Inert atmosphere;87%
1-bromo-butane
109-65-9

1-bromo-butane

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

3-butoxy-1,8-dihydroxy-6-methylanthracene-9,10-dione
1204768-17-1

3-butoxy-1,8-dihydroxy-6-methylanthracene-9,10-dione

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

3-bromomethyl-1,6,8-trihydroxy-anthraquinone
134070-56-7

3-bromomethyl-1,6,8-trihydroxy-anthraquinone

Conditions
ConditionsYield
With Perbenzoic acid; bromine In 1,4-dioxane for 2h; Heating;86%
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

1-chloro-2,4,5-trihydroxy-7-methyl-anthracene-9,10-dione

1-chloro-2,4,5-trihydroxy-7-methyl-anthracene-9,10-dione

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

2,4,5,7-tetrabromo-3-methyl-1,6,8-trihydroxyanthraquinone
134070-53-4

2,4,5,7-tetrabromo-3-methyl-1,6,8-trihydroxyanthraquinone

Conditions
ConditionsYield
With bromine; iodine In tetrachloromethane; ethanol at 170 - 180℃; for 18h;85%
dibutyl hydrogen phosphite
1809-19-4

dibutyl hydrogen phosphite

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

6-dibutoxyphosphinyloxy-1,8-dihydroxy-3-methylanthraquinone

6-dibutoxyphosphinyloxy-1,8-dihydroxy-3-methylanthraquinone

Conditions
ConditionsYield
With triethylamine In tetrachloromethane; isopropyl alcohol for 14h; Ambient temperature;85%
diisopropyl hydrogenphosphonate
1809-20-7

diisopropyl hydrogenphosphonate

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

6-diisopropoxyphosphinyloxy-1,8-dihydroxy-3-methylanthraquinone

6-diisopropoxyphosphinyloxy-1,8-dihydroxy-3-methylanthraquinone

Conditions
ConditionsYield
With triethylamine In tetrachloromethane; isopropyl alcohol for 14h; Ambient temperature;85%
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

2-iodo-1,3,8-trihydroxy-6-methyl-9,10-dihydroanthracene-9,10-dione

2-iodo-1,3,8-trihydroxy-6-methyl-9,10-dihydroanthracene-9,10-dione

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

3-bromo-hexan-2-one
29584-99-4

3-bromo-hexan-2-one

6-(1-propyl-2-oxopropoxy)-1,8-dihydroxy-3-methylanthra-9,10-quinone

6-(1-propyl-2-oxopropoxy)-1,8-dihydroxy-3-methylanthra-9,10-quinone

Conditions
ConditionsYield
With potassium carbonate In acetone at 45 - 50℃;85%
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

(Z)-1-(1,3,8-trihydroxy-9-anthracene-10-on-6-yl)-2-(meso-tetraphenylporphyrin-4-yl)ethene

(Z)-1-(1,3,8-trihydroxy-9-anthracene-10-on-6-yl)-2-(meso-tetraphenylporphyrin-4-yl)ethene

(Z)-1-meso-tetraphenylporphyrin-4-yl-2-(1,8,10,12,13,15-hexahydroxy-dibenzo[oa]perylene-3-yl)ethene

(Z)-1-meso-tetraphenylporphyrin-4-yl-2-(1,8,10,12,13,15-hexahydroxy-dibenzo[oa]perylene-3-yl)ethene

Conditions
ConditionsYield
With potassium tert-butylate In N,N-dimethyl-formamide for 0.5h; Microwave irradiation;85%
1-bromo-octane
111-83-1

1-bromo-octane

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

1,8-dihydroxy-6-methyl-3-octyloxyanthracene-9,10-dione
1204768-32-0

1,8-dihydroxy-6-methyl-3-octyloxyanthracene-9,10-dione

Conditions
ConditionsYield
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
518-82-1

1,6,8-trihydroxy-3-methyl-9,10-anthraquinone

4-methyl-benzaldehyde
104-87-0

4-methyl-benzaldehyde

dimethyl amine
124-40-3

dimethyl amine

C25H23NO5
1431545-55-9

C25H23NO5

Conditions
ConditionsYield
In 1,4-dioxane at 65℃; for 24h; Mannich Aminomethylation;83%

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