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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

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-

Cas:16545-23-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE CAS:16545-23-6

Cas:16545-23-6

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE CAS:16545-23-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing i

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE CAS:16545-23-6

Cas:16545-23-6

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,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-

Cas:16545-23-6

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,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-

Cas:16545-23-6

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

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-

Cas:16545-23-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 11 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.

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy- 16545-23-6

Cas:16545-23-6

Min.Order:1 Metric Ton

FOB Price: $500.0

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

best seller Application:API

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use

5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxychromen-4-one

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy- cas 16545-23-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by expr

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

16545-23-6

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

5,4''-DIHYDROXY-6,7,8-TRIMETHOXYFLAVONE

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-

Cas:16545-23-6

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Chengdu Push Bio-technology Co., Ltd

Chengdu Push Bio-technology Co., Ltd. provides more than 4,000 natural monomeric substances, including approximately 6,000 products at different grades, specifications and purities. We have specialized in the R&D of medicinally active ingredients sta

Xanthomicrol

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Raymon Biotech Co., Ltd.

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy- Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

16545-23-6

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Co.Ltd

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-Appearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:Handle with car

4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-

Cas:16545-23-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

4'-benzyloxy-5,6,7,8-tetramethoxyflavone
40110-96-1

4'-benzyloxy-5,6,7,8-tetramethoxyflavone

xanthomicrol
16545-23-6

xanthomicrol

Conditions
ConditionsYield
Stage #1: 4'-benzyloxy-5,6,7,8-tetramethoxyflavone With boron trichloride In dichloromethane; toluene at -78 - 20℃; for 12h; Inert atmosphere;
Stage #2: With water; sodium hydroxide In dichloromethane; toluene at 20℃; for 0.5h;
87%
Multi-step reaction with 2 steps
1: 120 mg / H2 / Pd-C / ethyl acetate
2: AlCl3 / nitrobenzene / Ambient temperature
View Scheme
4'-hydroxy-5,6,7,8-tetramethoxy flavone
36950-98-8

4'-hydroxy-5,6,7,8-tetramethoxy flavone

xanthomicrol
16545-23-6

xanthomicrol

Conditions
ConditionsYield
With aluminium trichloride In nitrobenzene Ambient temperature;
p-benzyloxybenzaldehyde
4397-53-9

p-benzyloxybenzaldehyde

xanthomicrol
16545-23-6

xanthomicrol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 1.0 g / KOH / aq. ethanol / Ambient temperature
2: 450 mg / 85percent H3PO4 / ethanol / 50 h / Heating
3: 350 mg / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / dioxane / 10 h / Heating
4: 120 mg / H2 / Pd-C / ethyl acetate
5: AlCl3 / nitrobenzene / Ambient temperature
View Scheme
4-benzyloxy-2'-hydroxy-3',4',5',6'-tetramethoxychalcone
40110-95-0

4-benzyloxy-2'-hydroxy-3',4',5',6'-tetramethoxychalcone

xanthomicrol
16545-23-6

xanthomicrol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 450 mg / 85percent H3PO4 / ethanol / 50 h / Heating
2: 350 mg / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / dioxane / 10 h / Heating
3: 120 mg / H2 / Pd-C / ethyl acetate
4: AlCl3 / nitrobenzene / Ambient temperature
View Scheme
2-hydroxy-3,4,5,6-tetramethoxyacetophenone
3162-28-5

2-hydroxy-3,4,5,6-tetramethoxyacetophenone

xanthomicrol
16545-23-6

xanthomicrol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 1.0 g / KOH / aq. ethanol / Ambient temperature
2: 450 mg / 85percent H3PO4 / ethanol / 50 h / Heating
3: 350 mg / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / dioxane / 10 h / Heating
4: 120 mg / H2 / Pd-C / ethyl acetate
5: AlCl3 / nitrobenzene / Ambient temperature
View Scheme
Multi-step reaction with 4 steps
1.1: dmap; triethylamine / dichloromethane / 1 h / 20 °C / Cooling with ice; Inert atmosphere
2.1: potassium tert-butylate / tetrahydrofuran / 1 h / Reflux; Inert atmosphere
3.1: toluene-4-sulfonic acid / benzene / 7 h / Reflux; Inert atmosphere
4.1: boron trichloride / dichloromethane; toluene / 12 h / -78 - 20 °C / Inert atmosphere
4.2: 0.5 h / 20 °C
View Scheme
4'-benzyloxy-5,6,7,8-tetramethoxyflavanone
73898-14-3

4'-benzyloxy-5,6,7,8-tetramethoxyflavanone

xanthomicrol
16545-23-6

xanthomicrol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 350 mg / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / dioxane / 10 h / Heating
2: 120 mg / H2 / Pd-C / ethyl acetate
3: AlCl3 / nitrobenzene / Ambient temperature
View Scheme
2-(4-benzyloxybenzoyloxy)-3,4,5,6-tetramethoxyacetophenone
1350827-37-0

2-(4-benzyloxybenzoyloxy)-3,4,5,6-tetramethoxyacetophenone

xanthomicrol
16545-23-6

xanthomicrol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: potassium tert-butylate / tetrahydrofuran / 1 h / Reflux; Inert atmosphere
2.1: toluene-4-sulfonic acid / benzene / 7 h / Reflux; Inert atmosphere
3.1: boron trichloride / dichloromethane; toluene / 12 h / -78 - 20 °C / Inert atmosphere
3.2: 0.5 h / 20 °C
View Scheme
1-(4-benzyloxyphenyl)-3-(2-hydroxy-3,4,5,6-tetramethoxyphenyl)propane-1,3-dione
85374-52-3

1-(4-benzyloxyphenyl)-3-(2-hydroxy-3,4,5,6-tetramethoxyphenyl)propane-1,3-dione

xanthomicrol
16545-23-6

xanthomicrol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: toluene-4-sulfonic acid / benzene / 7 h / Reflux; Inert atmosphere
2.1: boron trichloride / dichloromethane; toluene / 12 h / -78 - 20 °C / Inert atmosphere
2.2: 0.5 h / 20 °C
View Scheme
4-(benzyloxy)benzoic acid chloride
1486-50-6

4-(benzyloxy)benzoic acid chloride

xanthomicrol
16545-23-6

xanthomicrol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: dmap; triethylamine / dichloromethane / 1 h / 20 °C / Cooling with ice; Inert atmosphere
2.1: potassium tert-butylate / tetrahydrofuran / 1 h / Reflux; Inert atmosphere
3.1: toluene-4-sulfonic acid / benzene / 7 h / Reflux; Inert atmosphere
4.1: boron trichloride / dichloromethane; toluene / 12 h / -78 - 20 °C / Inert atmosphere
4.2: 0.5 h / 20 °C
View Scheme
xanthomicrol
16545-23-6

xanthomicrol

dimethyl sulfate
77-78-1

dimethyl sulfate

gardenin B
2798-20-1

gardenin B

Conditions
ConditionsYield
With potassium carbonate In dichloromethane; acetone for 4h; Reflux;44.6%
xanthomicrol
16545-23-6

xanthomicrol

dimethyl sulfate
77-78-1

dimethyl sulfate

A

gardenin B
2798-20-1

gardenin B

B

tangeritin
481-53-8

tangeritin

Conditions
ConditionsYield
With potassium carbonate In dichloromethane; acetone for 4h; Reflux;A 31.8%
B 8%
xanthomicrol
16545-23-6

xanthomicrol

5,6,4'-trihydroxyl-7,8-dimethoxyflavone
76844-66-1

5,6,4'-trihydroxyl-7,8-dimethoxyflavone

Conditions
ConditionsYield
With hydrogenchloride In methanol; water at 100℃; for 48h;5%
xanthomicrol
16545-23-6

xanthomicrol

8-demethylthymusin
98755-26-1

8-demethylthymusin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 5 percent / 4N HCl / methanol; H2O / 48 h / 100 °C
2: 30 percent / 4N HCl / methanol; H2O / 4 h / 100 °C
View Scheme
xanthomicrol
16545-23-6

xanthomicrol

6,7-dimethoxy-5,8,4′-trihydroxyflavone
98755-25-0

6,7-dimethoxy-5,8,4′-trihydroxyflavone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 5 percent / 4N HCl / methanol; H2O / 48 h / 100 °C
2: 10 percent / 4N HCl / methanol; H2O / 4 h / 100 °C
View Scheme

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