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Xian Changyue Biological Technology Co., Ltd.

Our advantage Free sample and unconditional assume respons 100% natural porduct, without any synthetize ingredient Manufacturer direct supply, provide OEM, R&D service ISO/HACCP/KOSHER/GMP/FDA L

Chrysophanic acid

Cas:481-74-3

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

Chrysophanic acid

Cas:481-74-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

Chrysophanol CAS 481-74-3

Cas:481-74-3

Min.Order:1 Gram

FOB Price: $150.0

Type:Manufacturers

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Chrysophanic Acid

Cas:481-74-3

Min.Order:1

Negotiable

Type:Other

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Kono Chem Co.,Ltd

Specifications CAS No.: 474-25-9 Other Names: Chenodiol; CDCA MF: C24H40O4 EINECS No.: 207-481-8 Place of Origin: Shaanxi, China (Ma

buy 474-25-9 Chenodeoxycholic acid supplier

Cas:481-74-3

Min.Order:1 Kilogram

FOB Price: $400.0 / 500.0

Type:Other

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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% Chrysophanic acid 481-74-3 HACCP Manufacturer

Cas:481-74-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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 Chrysophanic acid

Cas:481-74-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name:Chrysophanol Alias: Rhubarb acid, Chrysophanol,3-methylchrysazin, 8-dihydroxy-3-methylanthraquinone English Name:Chrysophanol Molecular formula:C15H10O4 Molecular weight:254.242 Packaging Specification: 25kg/drum high purity 99%min stoc

Chrysophanol material/powder /CAS:481-74-3

Cas:481-74-3

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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Leader Biochemical Group

About Product Technical Details CAS: 481-74-3 MF: C15H10O4 MW: 254.24 EINECS: 207-572-2 Product Categories: Aromatics;Intermediates & Fine Chemicals;Pharmaceuticals;

China Largest factory Manufacturer Supply High Quality Chrysophanic Acid CAS 481-74-3

Cas:481-74-3

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu

Chrysophanic Acid CAS No 481-74-3

Cas:481-74-3

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

Chrysophanic acid 481-74-3

Cas:481-74-3

Min.Order:1 Metric Ton

FOB Price: $500.0

Type:Lab/Research institutions

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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

China factory supply CAS 481-74-3 with high quality products

Cas:481-74-3

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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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 ,Chrysophanic acid cas 481-74-3

Cas:481-74-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Chrysophanic acid 481-74-3

Cas:481-74-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Rhubarb Root Extract Powder Chrysophanic acid / Rheum Palmatum Extract Powder Emodin Chrysophanol

Cas:481-74-3

Min.Order:10 Gram

FOB Price: $3.5

Type:Trading Company

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Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:Yellow powder Storage:Refer to COA / MSDS Packa

Chrysophanic acid 481-74-3 cas 0.5%-99%

Cas:481-74-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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 prese

Chrysophanic acid 99%

Cas:481-74-3

Min.Order:1 Kilogram

FOB Price: $245.0 / 265.0

Type:Trading Company

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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

Chrysophanic acid

Cas:481-74-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Chrysophanic acid

Cas:481-74-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

Chrysophanic Acid

Cas:481-74-3

Min.Order:0

Negotiable

Type:Manufacturers

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Chrysophanic acid

Cas:481-74-3

Min.Order:1 Kilogram

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

Chrysophanic acid

Cas:481-74-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

chrysophanol

Cas:481-74-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Spring & Autumn Biological Engineering Co., Ltd.

Nanjing Spring & Autumn Biological Engineering Co., Ltd. Which was founded at 2008, has an R & D team composed very experienced natural products chemists. The company is a high-tech enterprise engaged in functional health care products raw ma

Chrysophanic acid

Cas:481-74-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality Chrysophanol

Cas:481-74-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

Chrysophanic acid cas 481-74-3

Cas:481-74-3

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Chrysophanic acid

Cas:481-74-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Chrysophanol

Cas:481-74-3

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Chrysophanic acid

Cas:481-74-3

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hubei CuiRan Biotechnology Co., Ltd

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)

Chrysophanol;Chrysophanic acid

Cas:481-74-3

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione
67116-22-7

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With hydrogen bromide In acetic acid for 5h; Heating;100%
With hydrogen bromide In acetic acid for 5h; Heating;100%
With hydrogen bromide; acetic acid Yield given;
Chrysophanol 8-O-beta-D-glucopyranoside
13241-28-6, 67492-66-4

Chrysophanol 8-O-beta-D-glucopyranoside

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With acetate buffer; β-glucosidase In water at 37℃; for 16h; pH=5.0;98%
(1R,4aS,9aR)-9a-Chloro-8-hydroxy-1-methoxy-3-methyl-1-trimethylsilanyloxy-1,4,4a,9a-tetrahydro-anthraquinone
108637-78-1

(1R,4aS,9aR)-9a-Chloro-8-hydroxy-1-methoxy-3-methyl-1-trimethylsilanyloxy-1,4,4a,9a-tetrahydro-anthraquinone

A

Chrysophanol
481-74-3

Chrysophanol

B

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione
67116-22-7

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione

Conditions
ConditionsYield
1,8-diazabicyclo[5.4.0]undec-7-ene In methanol; dichloromethane Ambient temperature;A n/a
B 96%
sodium acetate In methanol; dichloromethane Ambient temperature; Yield given. Yields of byproduct given;
1,8-dimethoxy-3-methyl-9,10-anthraquinone
71013-35-9

1,8-dimethoxy-3-methyl-9,10-anthraquinone

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With hydrogen bromide; acetic acid for 0.5h; Heating;94%
With hydrogen bromide In acetic acid for 0.5h; Heating;94%
With nicotinic acid; sulfuric acid; boric acid at 120℃; for 2h;45%
8-O-methylchrysophanol
3300-25-2

8-O-methylchrysophanol

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With boron tribromide In dichloromethane at -50℃; for 7h;93%
With aluminium trichloride In dichloromethane at 20℃;91%
With hydrogen bromide; acetic acid
With hydrogen bromide for 0.5h;
3-Bromojuglone
52431-65-9

3-Bromojuglone

(1E,3Z)-1-Methoxy-3-methyl-1,4-bis-trimethylsilanyloxy-buta-1,3-diene
99097-63-9

(1E,3Z)-1-Methoxy-3-methyl-1,4-bis-trimethylsilanyloxy-buta-1,3-diene

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
Stage #1: 3-Bromojuglone; (1E,3Z)-1-Methoxy-3-methyl-1,4-bis-trimethylsilanyloxy-buta-1,3-diene In benzene for 5h; Heating;
Stage #2: With hydrogenchloride In tetrahydrofuran for 2h; Heating; Further stages.;
79%
1,4,4a,9a-Tetrahydro-1,8-dihydroxy-3-methyl-9,10-anthrachinon
76695-94-8

1,4,4a,9a-Tetrahydro-1,8-dihydroxy-3-methyl-9,10-anthrachinon

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With pyridinium chlorochromate In dichloromethane for 4h;76%
With pyridinium chlorochromate
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

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

A

Chrysophanol
481-74-3

Chrysophanol

B

(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

Conditions
ConditionsYield
With glucose dehydrogenase; sodium dithionite; β-D-glucose; Talaromyces islandicus anthrol reductase; nicotinamide adenine dinucleotide phosphate In aq. phosphate buffer; dimethyl sulfoxide for 14h; pH=7; Inert atmosphere; Enzymatic reaction; stereoselective reaction;A 12%
B 74%
With glucose dehydrogenase; sodium dithionite; D-glucose; anthrol reductase of Talaromyces islandicus WF-38-12; NADP In aq. buffer for 14h; pH=7; Catalytic behavior; Kinetics; pH-value; Enzymatic reaction; stereoselective reaction;A n/a
B 74%
Stage #1: 1,6,8-trihydroxy-3-methyl-9,10-anthraquinone With sodium dithionite
Stage #2: With N-terminally His-tagged 17β-hydroxysteroid dehydrogenase from the filamentous fungus Curvularia lunata (teleomorph Cochlioboluslunatus) cloned into pET19b; NADPH Enzymatic reaction;
A 8%
B 32%
With sodium dithionite; D-glucose; his-tagged AflM from Aspergillus parasiticus; C21H27N7O17P3(1-)*Na(1+) In aq. phosphate buffer at 20℃; for 24h; pH=7; Inert atmosphere; Enzymatic reaction;A 8 %Spectr.
B 20%
(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%
(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

(-)-flavoskyrin

(-)-flavoskyrin

Conditions
ConditionsYield
With lead(IV) tetraacetate; acetic acid at 0 - 20℃; for 0.333333h;A 8%
B 68%
3-chlorojuglone
18855-92-0

3-chlorojuglone

(E)-((1-methoxy-3-methylbuta-1,3-dien-1-yl)oxy)trimethylsilane
76927-59-8

(E)-((1-methoxy-3-methylbuta-1,3-dien-1-yl)oxy)trimethylsilane

A

Chrysophanol
481-74-3

Chrysophanol

B

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione
67116-22-7

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione

Conditions
ConditionsYield
In neat (no solvent) Ambient temperature;A 63%
B 4%
3-chlorojuglone
18855-92-0

3-chlorojuglone

(E)-((1-methoxy-3-methylbuta-1,3-dien-1-yl)oxy)trimethylsilane
76927-59-8

(E)-((1-methoxy-3-methylbuta-1,3-dien-1-yl)oxy)trimethylsilane

A

Chrysophanol
481-74-3

Chrysophanol

B

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione
67116-22-7

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione

C

methyl 3-methyl-4-<3-chloro-5-hydroxynaphthoquinonyl-2>-2-butenoate
95393-72-9

methyl 3-methyl-4-<3-chloro-5-hydroxynaphthoquinonyl-2>-2-butenoate

Conditions
ConditionsYield
In neat (no solvent) Product distribution; Ambient temperature; different solvent, reaction times and temperatures;A 63%
B 4%
C n/a
bulbine-knipholone

bulbine-knipholone

A

Chrysophanol
481-74-3

Chrysophanol

B

2,6-dihydroxy-4-methoxy-acetophenone
7507-89-3

2,6-dihydroxy-4-methoxy-acetophenone

Conditions
ConditionsYield
With sodium dithionite In sodium hydroxide at 70℃; for 1h;A 61%
B n/a
1,8-dihydroxy-3-hydroxymethyl-9,10-anthracenedione
481-72-1

1,8-dihydroxy-3-hydroxymethyl-9,10-anthracenedione

acetic acid
64-19-7

acetic acid

A

Chrysophanol
481-74-3

Chrysophanol

B

(1,8-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-3-yl)methyl acetate
65615-58-9

(1,8-dihydroxy-9,10-dioxo-9,10-dihydroanthracen-3-yl)methyl acetate

Conditions
ConditionsYield
With tin(ll) chloride In hydrogenchloride at 120℃; for 1h;A 25%
B 52%
(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

(R)-3,8-dihydroxy-6-methyl-3,4-dihydroanthracene-1,9,10(2H)-trione

(R)-3,8-dihydroxy-6-methyl-3,4-dihydroanthracene-1,9,10(2H)-trione

C

(-)-flavoskyrin

(-)-flavoskyrin

Conditions
ConditionsYield
With lead(IV) tetraacetate; acetic acid at 20℃; for 0.333333h;A 21%
B 41%
C 35%
3-chlorojuglone
18855-92-0

3-chlorojuglone

(E)-((1-methoxy-3-methylbuta-1,3-dien-1-yl)oxy)trimethylsilane
76927-59-8

(E)-((1-methoxy-3-methylbuta-1,3-dien-1-yl)oxy)trimethylsilane

A

Chrysophanol
481-74-3

Chrysophanol

B

methyl 3-methyl-4-<3-chloro-5-hydroxynaphthoquinonyl-2>-2-butenoate
95393-72-9

methyl 3-methyl-4-<3-chloro-5-hydroxynaphthoquinonyl-2>-2-butenoate

Conditions
ConditionsYield
In tetrahydrofuran -30 deg C, 30 min, -30 deg C to RT, 1h;A 22%
B 14%
manganese dioxide
1313-13-9

manganese dioxide

1-acetoxy-3-methyl-5-hydroxy-9,10-dioxo-1,4,4a,9,9a,10-hexahydroanthracene

1-acetoxy-3-methyl-5-hydroxy-9,10-dioxo-1,4,4a,9,9a,10-hexahydroanthracene

1-acetoxy-3-methyl-1,1a,4,4a-tetrahydroanthranone

1-acetoxy-3-methyl-1,1a,4,4a-tetrahydroanthranone

(E)-1-acetoxy-3-methyl-1,3-butadiene
52062-24-5

(E)-1-acetoxy-3-methyl-1,3-butadiene

5-hydroxynaphtho-1,4-quinone
481-39-0

5-hydroxynaphtho-1,4-quinone

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With acetic anhydride; hydroquinone In sodium carbonate; toluene9%
1,8-diacetoxy-3-methyl-anthraquinone
18713-45-6

1,8-diacetoxy-3-methyl-anthraquinone

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With potassium hydroxide
1,8-dihydroxy-3-methylanthracen-9(10H)-one
491-58-7

1,8-dihydroxy-3-methylanthracen-9(10H)-one

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With chromium(VI) oxide; acetic acid
Product distribution; Mechanism; biotransformation by emodinanthrone oxygenase from Aspergillus terreus: relative activity;
cephalanone F
857537-29-2

cephalanone F

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With aluminium trichloride; sodium chloride at 175℃;
With sulfuric acid; boric acid
8-amino-1-hydroxy-3-methyl-anthraquinone
871893-24-2

8-amino-1-hydroxy-3-methyl-anthraquinone

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With sulfuric acid Diazotization.und Erwaermen der Reaktions-Loesung auf 120grad;
With sulfuric acid Diazotization.und Erwaermen der Reaktions-Loesung auf 120grad;
(−)-flavoskyrin
39546-16-2, 115729-00-5

(−)-flavoskyrin

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
at 210℃;
1,6,8-trihydroxy-3-methyl-9,10-anthraquinone
518-82-1

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

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With mercaptoethyl alcohol; cell-free extract from Pyenochaeta terrestris; ATP; NADPH; iron(II) chloride at 25℃; for 5h;
With glycerol; 2-hydroxyethanethiol; NADPH; emodin deoxygenase In water at 25℃; Equilibrium constant; Kinetics; effect of ATP, dithiothreitol, p-hydroxymercuribenzoic acid, diamide, N-ethylmaleimide, Fe2+, or Cd2+ on catalyst activity;
Multi-step reaction with 3 steps
1.1: sodium tetrahydroborate; sodium dithionite / water; dimethyl sulfoxide / 0.17 h / 20 °C / Inert atmosphere; Green chemistry
1.2: 20 °C / Inert atmosphere; Green chemistry
2.1: Chiralcel OD-H / hexane; isopropyl alcohol / 20 °C / Resolution of racemate
3.1: (S)-(+)-2-methoxy-2-trifluoromethyl-2-phenylacetyl chloride; pyridine / 24 h / 20 °C
View Scheme
5-hydroxynaphtho-1,4-quinone
481-39-0

5-hydroxynaphtho-1,4-quinone

1-methoxy-3-methyl-1-trimethylsilyloxy-1,3-butadiene
73311-51-0

1-methoxy-3-methyl-1-trimethylsilyloxy-1,3-butadiene

A

Chrysophanol
481-74-3

Chrysophanol

B

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione
67116-22-7

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone 1) CH2Cl2, 6 h, 2) 2 h; Yield given. Multistep reaction. Yields of byproduct given;
5-hydroxynaphtho-1,4-quinone
481-39-0

5-hydroxynaphtho-1,4-quinone

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

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

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With hydrogenchloride 1.) toluene, 80-100 deg C, 12 h; 2.) MeOH, rt., 10 h; Yield given. Multistep reaction;
emodin
112683-58-6

emodin

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With emodin deoxygenase; NADPH Mechanism; rate of conversion;
(1R,4aR,9aS)-8-Hydroxy-1-methoxy-3-methyl-1-trimethylsilanyloxy-1,4,4a,9a-tetrahydro-anthraquinone
108637-74-7

(1R,4aR,9aS)-8-Hydroxy-1-methoxy-3-methyl-1-trimethylsilanyloxy-1,4,4a,9a-tetrahydro-anthraquinone

A

Chrysophanol
481-74-3

Chrysophanol

B

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione
67116-22-7

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione

Conditions
ConditionsYield
With hydrogenchloride In methanol; dichloromethane Ambient temperature; Yield given. Yields of byproduct given;
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane Ambient temperature; Yield given. Yields of byproduct given;

A

Chrysophanol
481-74-3

Chrysophanol

B

4,6-dihydroxy-2-methoxyacetophenone
3602-54-8

4,6-dihydroxy-2-methoxyacetophenone

Conditions
ConditionsYield
With sodium dithionate; sodium hydroxide at 80℃; for 1h;
(R)-prechrysophanol

(R)-prechrysophanol

Chrysophanol
481-74-3

Chrysophanol

Conditions
ConditionsYield
With potassium hydroxide In methanol for 72h;6 mg
isofoliosone

isofoliosone

A

Chrysophanol
481-74-3

Chrysophanol

B

4,6-dihydroxy-2-methoxyacetophenone
3602-54-8

4,6-dihydroxy-2-methoxyacetophenone

Conditions
ConditionsYield
With potassium hydroxide; sodium dithionite In methanol
Chrysophanol
481-74-3

Chrysophanol

acetic anhydride
108-24-7

acetic anhydride

1,8-diacetoxy-3-methyl-anthraquinone
18713-45-6

1,8-diacetoxy-3-methyl-anthraquinone

Conditions
ConditionsYield
With sulfuric acid for 0.5h; Ambient temperature;100%
With sulfuric acid
With sodium acetate
Chrysophanol
481-74-3

Chrysophanol

1,8-dihydroxy-3-carboxy-anthraquinone
478-43-3

1,8-dihydroxy-3-carboxy-anthraquinone

Conditions
ConditionsYield
Stage #1: Chrysophanol With chromium(VI) oxide In acetic anhydride; acetic acid at 65℃; for 8h;
Stage #2: With sodium carbonate In water
98%
Stage #1: Chrysophanol With pyridine at 20℃;
Stage #2: With chromium(VI) oxide; acetic anhydride; acetic acid In water at 45 - 65℃; for 8h;
98%
Chrysophanol
481-74-3

Chrysophanol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

C29H22O8S2

C29H22O8S2

Conditions
ConditionsYield
With potassium carbonate In acetone at 70℃; for 20h;98%
Chrysophanol
481-74-3

Chrysophanol

dimethyl sulfate
77-78-1

dimethyl sulfate

1,8-dimethoxy-3-methyl-9,10-anthraquinone
71013-35-9

1,8-dimethoxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With potassium carbonate In acetone for 16h; Heating;96%
With potassium carbonate In acetone for 6h; Heating;89%
With potassium carbonate at 75℃; for 12h;65%
With potassium hydroxide
With potassium carbonate In acetone for 10h; Heating; Yield given;
Chrysophanol
481-74-3

Chrysophanol

C15H8Cl6O5P2

C15H8Cl6O5P2

Conditions
ConditionsYield
With phosphorus pentachloride; water In benzene Rearrangement; phosphorylation; hydrolysis;95%
Chrysophanol
481-74-3

Chrysophanol

1,8-dihydroxy-3-methylanthracen-9(10H)-one
491-58-7

1,8-dihydroxy-3-methylanthracen-9(10H)-one

Conditions
ConditionsYield
With hydrogenchloride; acetic acid; tin(ll) chloride at 80℃; for 5h;94%
With hydrogenchloride; tin; acetic acid
With ammonia; zinc
With hydrogen iodide
Chrysophanol
481-74-3

Chrysophanol

iodomethylbenzene
620-05-3

iodomethylbenzene

1,8-bis(benzyloxy)-3-methylanthracene-9,10-dione
1612770-48-5

1,8-bis(benzyloxy)-3-methylanthracene-9,10-dione

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;94%
Chrysophanol
481-74-3

Chrysophanol

methyl iodide
74-88-4

methyl iodide

1,8-dimethoxy-3-methyl-9,10-anthraquinone
71013-35-9

1,8-dimethoxy-3-methyl-9,10-anthraquinone

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;89%
With silver(l) oxide
Chrysophanol
481-74-3

Chrysophanol

1-iodo-4-(iodomethyl)benzene
287208-66-6

1-iodo-4-(iodomethyl)benzene

1,8-bis(4-iodobenzyloxy)-3-methylanthracene-9, 10-dione
1612770-50-9

1,8-bis(4-iodobenzyloxy)-3-methylanthracene-9, 10-dione

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;87%
Chrysophanol
481-74-3

Chrysophanol

1-iodo-butane
542-69-8

1-iodo-butane

1,8-dibutoxy-3-methylanthracene-9,10-dione
1612770-46-3

1,8-dibutoxy-3-methylanthracene-9,10-dione

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;84%
Chrysophanol
481-74-3

Chrysophanol

1-iodo-propane
107-08-4

1-iodo-propane

1,8-dipropyloxy-3-methylanthracene-9,10-dione
20317-77-5

1,8-dipropyloxy-3-methylanthracene-9,10-dione

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;82%
Chrysophanol
481-74-3

Chrysophanol

1-(iodomethyl)-2-bromobenzene
81206-50-0

1-(iodomethyl)-2-bromobenzene

1,8-bis(2-bromobenzyloxy)-3-methylanthracene-9, 10-dione
1612770-51-0

1,8-bis(2-bromobenzyloxy)-3-methylanthracene-9, 10-dione

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;80%
Chrysophanol
481-74-3

Chrysophanol

allyl iodid
556-56-9

allyl iodid

1,8-bis(allyloxy)-3-methylanthracene-9, 10-dione
1612770-47-4

1,8-bis(allyloxy)-3-methylanthracene-9, 10-dione

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;80%
Chrysophanol
481-74-3

Chrysophanol

ethyl iodide
75-03-6

ethyl iodide

1,8-diethoxy-3-methylanthracene-9,10-dione

1,8-diethoxy-3-methylanthracene-9,10-dione

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;73%
With silver(l) oxide
Chrysophanol
481-74-3

Chrysophanol

1,8-dihydroxy-3-hydroxymethyl-9,10-anthracenedione
481-72-1

1,8-dihydroxy-3-hydroxymethyl-9,10-anthracenedione

Conditions
ConditionsYield
Stage #1: Chrysophanol With N-Bromosuccinimide; dibenzoyl peroxide In tetrachloromethane for 6h; Heating;
Stage #2: With water; calcium carbonate In 1,4-dioxane at 120℃; for 7h;
71%
Multi-step reaction with 2 steps
1: NBS; (PhCO2)2 / CCl4 / 6 h / Heating
2: 756 mg / H2O; CaCO3 / dioxane / 7 h / 120 °C
View Scheme
Chrysophanol
481-74-3

Chrysophanol

1-chloro-3-(iodomethyl)benzene
70450-41-8

1-chloro-3-(iodomethyl)benzene

1,8-bis(3-chlorobenzyloxy)-3-methylanthracene-9, 10-dione
1612770-49-6

1,8-bis(3-chlorobenzyloxy)-3-methylanthracene-9, 10-dione

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;70%

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