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shanghai Tauto Biotech Co., Ltd

The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your a

Sinensetin

Cas:2306-27-6

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

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

Sinensetin

Cas:2306-27-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:White

Sinensetin

Cas:2306-27-6

Min.Order:1 Kilogram

Negotiable

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% SINENSETIN 2306-27-6 HACCP Manufacturer

Cas:2306-27-6

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name: Sinensetin CAS no. : 2306-27-6 Molecular formula: C20H20O7 Molecular weight:372.38 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability

Sinensetin/CAS :2306-27-6 /raw material/high-quality

Cas:2306-27-6

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 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

C20H20O7 SINENSETIN 2306-27-6

Cas:2306-27-6

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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

Manufacturer supply CAS 2306-27-6 with best quality

Cas:2306-27-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,6,7-trimethoxy-

Cas:2306-27-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

SINENSETIN

Cas:2306-27-6

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

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

antiangiogenesis, antidiabetic, SINENSETIN CAS:2306-27-6

Cas:2306-27-6

Min.Order:1 Kilogram

FOB Price: $64.0 / 68.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

SINENSETIN CAS:2306-27-6 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,

SINENSETIN CAS:2306-27-6

Cas:2306-27-6

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

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,6,7-trimethoxy-

Cas:2306-27-6

Min.Order:1 Kilogram

Negotiable

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

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,6,7-trimethoxy-

Cas:2306-27-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chengdu Biopurify Phytochemicals Ltd.

Chengdu Biopurify Phytochemicals 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 Medic

Sinensetin

Cas:2306-27-6

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

Sinensetin

Cas:2306-27-6

Min.Order:0

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 purity Sinensetin

Cas:2306-27-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

High purity Sinensetin 2306-27-6in stock immediately delivery good supplierAppearance:Powder Storage:Dry and ventilated Package:according to customers' requirements Application:APIs Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:yellow crystals Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Sinensetin, eupa

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,6,7-trimethoxy-

Cas:2306-27-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Kanbei Chemical Co.,LTD

High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle

Sinensetin 3′,4′,5,6,7-Pentamethoxyflavone 99%

Cas:2306-27-6

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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)

Sinensetin

Cas:2306-27-6

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

Sinensetin

Cas:2306-27-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

SINENSETIN

Cas:2306-27-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/Sinensetin/SAGECHEM/Manufacturer in China

Cas:2306-27-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

High purity Sinensetin 2306-27-6in stock immediately delivery good supplier

Cas:2306-27-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

SINENSETIN

Cas:2306-27-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

2-(3,4-Dimethoxyphenyl)-5,6,7-trimethoxy-4H-chromen-4-one

Cas:2306-27-6

Min.Order:0

Negotiable

Type:Other

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

SINENSETIN CAS 2306-27-6

Cas:2306-27-6

Min.Order:0

Negotiable

Type:Other

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:Herbal extr

Hangzhou Dingyan Chem Co., Ltd

Hangzhou Dingyan Chem 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 quality in your re

Sinensetin

Cas:2306-27-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec Sinensetin S66190 20mg

Cas:2306-27-6

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

3,4-dimethoxybenzoic acid chloride
3535-37-3

3,4-dimethoxybenzoic acid chloride

Eudesmic acid
118-41-2

Eudesmic acid

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
Stage #1: 3,4-dimethoxybenzoic acid chloride; Eudesmic acid With triethylamine In dichloromethane at 0 - 20℃; for 2h;
Stage #2: With trimethylsilyl trifluoromethanesulfonate; triethylamine In dichloromethane at 95℃; for 2h;
81%
(E)-3-(3,4-dimethoxyphenyl)-1-(6-hydroxy-2,3,4-trimethoxyphenyl)prop-2-en-1-one
114021-62-4

(E)-3-(3,4-dimethoxyphenyl)-1-(6-hydroxy-2,3,4-trimethoxyphenyl)prop-2-en-1-one

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
With pyridine; iodine for 8h; Heating;71%
With selenium(IV) oxide; pentan-1-ol
3,4-dimethoxyphenylpropiolic acid
22511-06-4

3,4-dimethoxyphenylpropiolic acid

3,4,5-trimethoxyphenol
642-71-7

3,4,5-trimethoxyphenol

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
With phosphorus pentaoxide; methanesulfonic acid for 4h; Ambient temperature;26%
jaceosidin
18085-97-7

jaceosidin

diazomethyl-trimethyl-silane
18107-18-1

diazomethyl-trimethyl-silane

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
In methanol; dichloromethane for 16h;24%
3,6-dihydroxy-2,4-dimethoxyacetophenone
6962-57-8

3,6-dihydroxy-2,4-dimethoxyacetophenone

3,4-dimethoxybenzoic anhydride
24824-54-2

3,4-dimethoxybenzoic anhydride

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
With sodium 3,4-dimethoxybenzoate at 180℃; unter vermindertem Druck; Erwaermen des Reaktionsprodukts mit aethanol. Kalilauge und Behandeln des danach isolierten Reaktionsprodukts mit Dimethylsulfat, Kaliumcarbonat und Aceton;
3',4',5,6,7-pentahydroxyflavone
18003-33-3

3',4',5,6,7-pentahydroxyflavone

dimethyl sulfate
77-78-1

dimethyl sulfate

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
With potassium carbonate; acetone
With potassium carbonate In acetone for 20h; Heating;70 mg
With potassium carbonate In acetone for 2h; Heating;0.200 g
4'-hydroxy-5,6,7,3'-tetramethoxyflavone
51145-80-3

4'-hydroxy-5,6,7,3'-tetramethoxyflavone

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
In diethyl ether
5,7-dihydroxy-2-(3-hydroxy-4-methoxy-phenyl)-6-methoxy-chromen-4-one
22934-99-2

5,7-dihydroxy-2-(3-hydroxy-4-methoxy-phenyl)-6-methoxy-chromen-4-one

dimethyl sulfate
77-78-1

dimethyl sulfate

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
With potassium carbonate In acetone
3',4',7-trihydroxy-5,6-dimethoxyflavone
88153-47-3

3',4',7-trihydroxy-5,6-dimethoxyflavone

dimethyl sulfate
77-78-1

dimethyl sulfate

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
With potassium carbonate In acetone for 4h;
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

pentan-1-ol
71-41-0

pentan-1-ol

(E)-3-(3,4-dimethoxyphenyl)-1-(6-hydroxy-2,3,4-trimethoxyphenyl)prop-2-en-1-one
114021-62-4

(E)-3-(3,4-dimethoxyphenyl)-1-(6-hydroxy-2,3,4-trimethoxyphenyl)prop-2-en-1-one

sinensetin
2306-27-6

sinensetin

2'-hydroxy-3,4,4',6'-tetramethoxychalcone

2'-hydroxy-3,4,4',6'-tetramethoxychalcone

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C
2: 95 percent / K2CO3 / acetone / 6 h / Heating
3: 71 percent / I2; pyridine / 8 h / Heating
View Scheme
1-(2,4,6-trimethoxyphenyl)-3-(3,4-dimethoxyphenyl)propenone
76650-20-9

1-(2,4,6-trimethoxyphenyl)-3-(3,4-dimethoxyphenyl)propenone

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
2: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C
3: 95 percent / K2CO3 / acetone / 6 h / Heating
4: 71 percent / I2; pyridine / 8 h / Heating
View Scheme
3,4-dimethoxy-benzaldehyde
120-14-9

3,4-dimethoxy-benzaldehyde

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 99 percent / KOH / ethanol / 3 h / 20 °C
2: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
3: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C
4: 95 percent / K2CO3 / acetone / 6 h / Heating
5: 71 percent / I2; pyridine / 8 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: ethanol; aq. NaOH solution
2: selenium dioxide; amyl alcohol
View Scheme
1-(2,4,6-trimethoxyphenyl)ethanone
832-58-6

1-(2,4,6-trimethoxyphenyl)ethanone

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 99 percent / KOH / ethanol / 3 h / 20 °C
2: 90 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
3: 65 percent / dimethyl dioxirane / acetone; CH2Cl2 / 1 h / 0 - 20 °C
4: 95 percent / K2CO3 / acetone / 6 h / Heating
5: 71 percent / I2; pyridine / 8 h / Heating
View Scheme
1-(2,5-dihydroxy-4,6-dimethoxyphenyl)-3-(3,4-dimethoxyphenyl)propenone

1-(2,5-dihydroxy-4,6-dimethoxyphenyl)-3-(3,4-dimethoxyphenyl)propenone

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 95 percent / K2CO3 / acetone / 6 h / Heating
2: 71 percent / I2; pyridine / 8 h / Heating
View Scheme
6-hydroxy-2,3,4-trimethoxyacetophenone
22248-14-2

6-hydroxy-2,3,4-trimethoxyacetophenone

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine / 110 °C
2: pyridine; potassium hydroxide / 4 h / 60 °C
3: acetic acid; sulfuric acid / 16 h / Reflux
View Scheme
3,4-dimethoxybenzoic acid chloride
3535-37-3

3,4-dimethoxybenzoic acid chloride

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine / 110 °C
2: pyridine; potassium hydroxide / 4 h / 60 °C
3: acetic acid; sulfuric acid / 16 h / Reflux
View Scheme
2-Hydroxy-4,5,6,3',4'-pentamethoxydibenzoylmethane

2-Hydroxy-4,5,6,3',4'-pentamethoxydibenzoylmethane

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
With sulfuric acid; acetic acid for 16h; Reflux;
3,4,5-trimethoxyphenol
642-71-7

3,4,5-trimethoxyphenol

sinensetin
2306-27-6

sinensetin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sodium acetate / 2 h / 110 °C
2.1: boron trifluoride diethyl etherate; acetic acid / 4 h / 70 °C
3.1: triethylamine / dichloromethane / 2 h / 0 - 20 °C
3.2: 2 h / 95 °C
View Scheme
sinensetin
2306-27-6

sinensetin

5-desmethylsinensetin
21763-80-4

5-desmethylsinensetin

Conditions
ConditionsYield
With hydrogenchloride; ethanol for 72h; Product distribution / selectivity; Heating / reflux;100%
With boron tribromide In dichloromethane at 0℃; for 0.5h;94%
With boron trichloride In tetrahydrofuran at -78℃;61%
With boron trichloride In dichloromethane
sinensetin
2306-27-6

sinensetin

3',4',5,6,7-pentahydroxyflavone
18003-33-3

3',4',5,6,7-pentahydroxyflavone

Conditions
ConditionsYield
With hydrogen iodide; acetic anhydride
sinensetin
2306-27-6

sinensetin

Veratric acid
93-07-2

Veratric acid

Conditions
ConditionsYield
With potassium hydroxide In ethanol for 24h; Heating;3.4 mg
sinensetin
2306-27-6

sinensetin

1-(2,3,4,6-tetramethoxyphenyl)ethanone
7508-05-6

1-(2,3,4,6-tetramethoxyphenyl)ethanone

Conditions
ConditionsYield
(i) aq. KOH, EtOH, (ii) (methylation); Multistep reaction;
sinensetin
2306-27-6

sinensetin

5,8-dihydroxy-6,7-dimethoxy-2-(3,4-dimethoxyphenyl)-4-benzopyrone
683278-67-3

5,8-dihydroxy-6,7-dimethoxy-2-(3,4-dimethoxyphenyl)-4-benzopyrone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
2: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C
View Scheme
sinensetin
2306-27-6

sinensetin

nobiletin
478-01-3

nobiletin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
2: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C
3: 87 percent / K2CO3 / acetone; CH2Cl2 / 6 h / Heating
View Scheme
sinensetin
2306-27-6

sinensetin

3-hydroxy-5,6,7,8,3′,4′-hexamethoxyflavone
35154-55-3

3-hydroxy-5,6,7,8,3′,4′-hexamethoxyflavone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
2: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C
3: 87 percent / K2CO3 / acetone; CH2Cl2 / 6 h / Heating
4: 80 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.17 h / 0 - 20 °C
View Scheme
sinensetin
2306-27-6

sinensetin

3,3',4',5,6,7,8-heptamethoxyflavone
1178-24-1

3,3',4',5,6,7,8-heptamethoxyflavone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 94 percent / BBr3 / CH2Cl2 / 0.5 h / 0 °C
2: 90 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.33 h / 0 - 20 °C
3: 87 percent / K2CO3 / acetone; CH2Cl2 / 6 h / Heating
4: 80 percent / dimethyl dioxirane / acetone; CH2Cl2 / 0.17 h / 0 - 20 °C
5: 97 percent / K2CO3 / acetone / 1 h / Heating
View Scheme
5,6,7,4'-tetramethoxyflavone
1168-42-9

5,6,7,4'-tetramethoxyflavone

sinensetin
2306-27-6

sinensetin

tangeritin
481-53-8

tangeritin

3,5,6,7,3',4'-Hexamethoxyflavon
1251-84-9

3,5,6,7,3',4'-Hexamethoxyflavon

nobiletin
478-01-3

nobiletin

3,3',4',5,6,7,8-heptamethoxyflavone
1178-24-1

3,3',4',5,6,7,8-heptamethoxyflavone

A

gardenin B
2798-20-1

gardenin B

B

5-hydroxy-4',6,7-trimethoxyflavone
19103-54-9

5-hydroxy-4',6,7-trimethoxyflavone

C

5-desmethylsinensetin
21763-80-4

5-desmethylsinensetin

D

artemetin
479-90-3

artemetin

E

5-hydroxy-6,7,8,3',4'-pentamethoxyflavone
2174-59-6

5-hydroxy-6,7,8,3',4'-pentamethoxyflavone

F

5-hydroxy-3,6,7,8,3',4'-hexamethoxyflavone
1176-88-1

5-hydroxy-3,6,7,8,3',4'-hexamethoxyflavone

Conditions
ConditionsYield
With hydrogenchloride; ethanol at 80℃; for 18 - 70h; Product distribution / selectivity; Heating / reflux;
With hydrogenchloride; ethanol; water at 80℃; for 18h; Conversion of starting material; Heating / reflux;
With ethanol; water for 24h; Product distribution / selectivity; Heating / reflux;
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