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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

Acacetin

Cas:480-44-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Greenutra Resource Inc

Commonly known as stonebreaker because of its strong roots, Phyllanthus Niruri is an herb that grows in tropical areas like the rain forests of the Amazon, Bahamas, China and Southern India.It can reach 30-60 centimeters in height and when in bloom

high quality Albizia Extract

Cas:480-44-4

Min.Order:25 Kilogram

FOB Price: $16.0 / 55.0

Type:Trading Company

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

Acacetin

Cas:480-44-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

Founded in 2014, Kono Chem Co., Ltd is an export-oriented production enterprise supported by the State Department of Commerce. Kono Chem covers an area of 312,000 square meters, with scientific and technological personnel accounting for more than 35%

Acacetin Powder

Cas:480-44-4

Min.Order:1 Kilogram

FOB Price: $99.0 / 100.0

Type:Other

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

High Content Natural Extract Acacetin HACCP manufacturer

Cas:480-44-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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 Acacetin

Cas:480-44-4

Min.Order:1 Kilogram

FOB Price: $1.0

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

Acacetin

Cas:480-44-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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

Acacetin 480-44-4

Cas:480-44-4

Min.Order:1 Metric Ton

FOB Price: $500.0

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

Wholesale price CAS 480-44-4 with best price

Cas:480-44-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

DB BIOTECH CO., LTD

Acacetin Quick Details Type: Herbal Extract Form: Powder Part: flower Extraction Type: Solvent Extraction Packaging: Bottle, Can,

Acacetin

Cas:480-44-4

Min.Order:1 Kilogram

FOB Price: $160.0 / 180.0

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,5,7-dihydroxy-2-(4-methoxyphenyl)-

Cas:480-44-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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 manufacturin

Acacetin CAS 480-44-4

Cas:480-44-4

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

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

Acacetin 99%

Cas:480-44-4

Min.Order:1 Kilogram

FOB Price: $321.0 / 359.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Acacetin CAS: 480-44-4 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, st

Acacetin CAS: 480-44-4

Cas:480-44-4

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,5,7-dihydroxy-2-(4-methoxyphenyl)-

Cas:480-44-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi

High quality Sophora Japonica Extract Acacetin

Cas:480-44-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

PRODUCT DETAILS

China Biggest Manufacturer factory sales ACACETIN CAS 480-44-4

Cas:480-44-4

Min.Order:100 Kilogram

FOB Price: $1.0 / 2.0

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

4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(4-methoxyphenyl)-

Cas:480-44-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Miheng Trading Co., Ltd.

Acacetin CAS 480-44-4 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assembly. 2 Profes

Acacetin CAS 480-44-4

Cas:480-44-4

Min.Order:1 Kilogram

FOB Price: $10.0 / 50.0

Type:Trading Company

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

Acacetin

Cas:480-44-4

Min.Order:1 Kilogram

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

Acacetin 480-44-4

Cas:480-44-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hefei Zhaobo Technology Co., Ltd.

Acacetin CAS 480-44-4 Description Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality con

Acacetin CAS 480-44-4

Cas:480-44-4

Min.Order:1 Kilogram

FOB Price: $10.0 / 50.0

Type:Trading Company

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

5,7-Dihydroxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one; 5,7-Dihydroxy-2-(4-methoxyphenyl)-4H-chromen

Cas:480-44-4

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Hope Chem Co., Ltd

1. Product advantages: exquisite appearance and unique functions. 2. Product Advantages: Our products are the best,fast speed ,in large stock 3. High-quality products and thoughtful service are your greatest satisfaction. 4. The product

ACACETIN

Cas:480-44-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

Acacetin

Cas:480-44-4

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

Acacetin

Cas:480-44-4

Min.Order:1 Gram

FOB Price: $1.0

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

Acacetin

Cas:480-44-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

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,

High purity Acacetin

Cas:480-44-4

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,

acacetin

Cas:480-44-4

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Synthetic route

acacetin diacetate
5892-39-7

acacetin diacetate

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With sodium methylate In methanol at 20℃; for 1h;100%
1-<2-hydroxy-4,6-bis(methoxymethoxy)phenyl>-3-(4-methoxyphenyl)propane-1,3-dione

1-<2-hydroxy-4,6-bis(methoxymethoxy)phenyl>-3-(4-methoxyphenyl)propane-1,3-dione

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With Amberlyst 15 resin In isopropyl alcohol for 4h; Heating;96%
5-hydroxy-4'-methoxy-7-[(2-O-α-L-rhamnopyranosyl-β-D-glucopyranosyl)oxy]flavone
20633-93-6

5-hydroxy-4'-methoxy-7-[(2-O-α-L-rhamnopyranosyl-β-D-glucopyranosyl)oxy]flavone

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With ethanol; sulfuric acid for 2h; Reflux;87%
3,5-dihydroxyphenol
108-73-6

3,5-dihydroxyphenol

ethyl 4-methoxybenzoylacetate
2881-83-6

ethyl 4-methoxybenzoylacetate

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
for 0.0583333h; microwave irradiation;81%
With dmap at 200℃; for 3h; Reagent/catalyst; Inert atmosphere;71%
5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
520-36-5

5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one

methyl iodide
74-88-4

methyl iodide

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h; Inert atmosphere; regiospecific reaction;79%
With potassium carbonate In N,N-dimethyl-formamide for 2h;
4,6-bis(methoxymethyl)-2-(4-methoxylbenzoyloxy)acetophenone

4,6-bis(methoxymethyl)-2-(4-methoxylbenzoyloxy)acetophenone

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
Stage #1: 4,6-bis(methoxymethyl)-2-(4-methoxylbenzoyloxy)acetophenone With potassium hydroxide In pyridine at 50℃; for 0.333333h;
Stage #2: With acetic acid In pyridine; water for 0.5h;
Stage #3: With hydrogenchloride In methanol Reflux;
75%
2,4,6-trihydroxyacetophenone
480-66-0

2,4,6-trihydroxyacetophenone

4-methoxy-benzoyl chloride
100-07-2

4-methoxy-benzoyl chloride

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With potassium carbonate In acetone at 65℃; for 24h; Inert atmosphere;72%
Stage #1: 2,4,6-trihydroxyacetophenone With potassium carbonate In acetone at 20℃; for 0.166667h; Inert atmosphere;
Stage #2: 4-methoxy-benzoyl chloride In acetone at 60℃; for 24h; Inert atmosphere;
71%
Stage #1: 2,4,6-trihydroxyacetophenone With potassium carbonate In acetone at 20℃; for 0.166667h;
Stage #2: 4-methoxy-benzoyl chloride In acetone for 24h; Heating;
45%
Stage #1: 2,4,6-trihydroxyacetophenone; 4-methoxy-benzoyl chloride With potassium carbonate In pyridine at 120℃; for 3h; Heating / reflux;
Stage #2: With potassium hydroxide; water In methanol for 20h; Heating / reflux;
Stage #3: With acetic acid In water pH=9;
Stage #1: 2,4,6-trihydroxyacetophenone; 4-methoxy-benzoyl chloride With pyridine; 1,8-diazabicyclo[5.4.0]undec-7-ene for 8h; Reflux;
Stage #2: With sodium hydroxide In 1,4-dioxane; methanol
C32H24O9
110865-07-1

C32H24O9

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With sodium methylate In ethanol; dichloromethane70%
acacetin 7-O-rutinoside
480-36-4

acacetin 7-O-rutinoside

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With hydrogenchloride at 50 - 55℃; for 1.5h;70%
7-benzyl-3'-phenyltetrazolyldiosmetin
771481-08-4

7-benzyl-3'-phenyltetrazolyldiosmetin

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With ammonium formate; palladium on activated charcoal In methanol for 2.5h; Heating;68%
4',5,7-trimethoxyflavone
5631-70-9

4',5,7-trimethoxyflavone

A

5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
520-36-5

5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one

B

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With N-butyl-N-methylimidazolium heptachlorodialuminate In dichloromethane at 40℃; for 4h;A 54%
B 16%
dimethyl sulfate
77-78-1

dimethyl sulfate

rhoifolin
17306-46-6

rhoifolin

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
Stage #1: dimethyl sulfate; rhoifolin With sodium hydroxide In water at 10 - 25℃; for 6h;
Stage #2: With sulfuric acid In water for 8h; Reflux;
32.31%
acacetin 7-O-β-D-galactopyranoside
80443-15-8, 4291-60-5

acacetin 7-O-β-D-galactopyranoside

A

D-Galactose
10257-28-0

D-Galactose

B

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 2h; on steam bath;A n/a
B 18%
2-chloro-1-(2,4,6-trihydroxyphenyl)ethan-1-one
110865-03-7

2-chloro-1-(2,4,6-trihydroxyphenyl)ethan-1-one

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
Stage #1: 2-chloro-1-(2,4,6-trihydroxyphenyl)ethan-1-one; 4-methoxy-benzaldehyde With potassium hydroxide In ethanol at 20℃; for 3h;
Stage #2: With hydrogenchloride In ethanol; water at 55℃; for 1h;
17.8%
3,5-dihydroxyphenol
108-73-6

3,5-dihydroxyphenol

methyl 3-(4-methoxybenzoyl)acetate
22027-50-5

methyl 3-(4-methoxybenzoyl)acetate

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
at 250℃;
5,7-dihydroxy-2-(4-methoxyphenyl)chroman-4-one
480-43-3, 26207-61-4, 65337-52-2

5,7-dihydroxy-2-(4-methoxyphenyl)chroman-4-one

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With ethanol; iodine; sodium acetate
5,7-diacetoxy-2-(4-methoxy-phenyl)-chroman-4-one
117894-08-3

5,7-diacetoxy-2-(4-methoxy-phenyl)-chroman-4-one

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With chloroform; bromine Irradiation.Erwaermen des Reaktionsprodukts mit wss.-aethanol. Natronlauge;
2,4,6-trihydroxyacetophenone
480-66-0

2,4,6-trihydroxyacetophenone

p-Methoxybenzoic anhydride
794-94-5

p-Methoxybenzoic anhydride

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With sodium anisate Verseifen des Reaktionsprodukts mit alkoholisch-waessriger-Kalilauge;
5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
520-36-5

5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one

A

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

B

5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one
5128-44-9

5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one

Conditions
ConditionsYield
With O-methyl transferase from cell-free extract of Citrus mitis; <(14)CH3>-S-adenosyl-L-methionine; 2-hydroxyethanethiol In water; dimethyl sulfoxide at 35℃; for 0.5h; Product distribution; pH 7.5 buffer;
1-(4-Methoxy-phenyl)-3-(2,4,6-trihydroxy-phenyl)-propane-1,3-dione
99474-26-7

1-(4-Methoxy-phenyl)-3-(2,4,6-trihydroxy-phenyl)-propane-1,3-dione

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With potassium carbonate; acetic acid 1.) reflux, 4 h, 2.) 5 min; Yield given;
With sulfuric acid In acetic acid at 95 - 100℃; Yield given;
With sulfuric acid; acetic acid at 100℃; for 1h; Yield given;
C32H26O10
80443-16-9

C32H26O10

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With sodium acetate In acetic acid for 3h; Heating;
isosakuranetin 7-O-rhamnoside

isosakuranetin 7-O-rhamnoside

A

6-deoxy-β-D-mannopyranose
28161-50-4

6-deoxy-β-D-mannopyranose

B

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With hydrogenchloride at 100℃; for 3h;
acacetin-7-O-<β-D-glucopyranosyl(1->4)-α-D-xylopyranoside>

acacetin-7-O-<β-D-glucopyranosyl(1->4)-α-D-xylopyranoside>

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With sulfuric acid at 100℃; for 2h;
acaciin

acaciin

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With sulfuric acid
apiin methyl ether

apiin methyl ether

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With hydrogenchloride
linarin

linarin

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With hydrogenchloride
3'-O-(1-phenyltetrazol-5-yl)diosmin
771480-96-7

3'-O-(1-phenyltetrazol-5-yl)diosmin

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 53 percent / HCOONH4 / Pd/C / methanol / 5 h / Heating
2: 70 percent / aq. HCl / 1.5 h / 50 - 55 °C
View Scheme
diosmetin
520-34-3

diosmetin

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 66 percent / KHCO3 / dimethylformamide / 2.5 h / 120 °C
2: 67 percent / KHCO3 / dimethylformamide / 1 h / 120 °C
3: 68 percent / HCOONH4 / Pd/C / methanol / 2.5 h / Heating
View Scheme
diosmin
520-27-4

diosmin

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 40 percent / KHCO3 / dimethylformamide / 2 h / 80 °C
2: 53 percent / HCOONH4 / Pd/C / methanol / 5 h / Heating
3: 70 percent / aq. HCl / 1.5 h / 50 - 55 °C
View Scheme
5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

methyl iodide
74-88-4

methyl iodide

5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one
5128-44-9

5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃;95%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h; Inert atmosphere; regiospecific reaction;73%
In pyridine at 20℃; for 2h;
5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

benzenesulfonyl chloride
1939-99-7

benzenesulfonyl chloride

7-benzylsulfonylacacetin

7-benzylsulfonylacacetin

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20℃; for 0.5h;94%
5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

C16H10Br2O5

C16H10Br2O5

Conditions
ConditionsYield
With N-Bromosuccinimide In trifluoroacetic acid at 20℃; for 5h;94%
methyl 6-bromohexanoate
14273-90-6

methyl 6-bromohexanoate

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

methyl 6-((5-hydroxy-2-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)hexanoate

methyl 6-((5-hydroxy-2-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)hexanoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 6h; Inert atmosphere;89%
5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Hexanoyl chloride
142-61-0

Hexanoyl chloride

5,7-di-O-hexanoyl-acacetin

5,7-di-O-hexanoyl-acacetin

Conditions
ConditionsYield
With dmap; triethylamine In N,N-dimethyl-formamide at 20℃; for 4.5h; Cooling with ice;87%
With dmap; triethylamine In N,N-dimethyl-formamide
methyl 8-bromooctanoate
26825-92-3

methyl 8-bromooctanoate

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

methyl 8-((5-hydroxy-2-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)octanoate

methyl 8-((5-hydroxy-2-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)octanoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 6h; Inert atmosphere;87%
5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

propargyl bromide
106-96-7

propargyl bromide

7-O-propargylacacetin

7-O-propargylacacetin

Conditions
ConditionsYield
With potassium carbonate In acetone for 2h; Reflux;85%
ethyl 7-bromoheptanoate
29823-18-5

ethyl 7-bromoheptanoate

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

ethyl 7-((5-hydroxy-2-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)heptanoate

ethyl 7-((5-hydroxy-2-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)heptanoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 6h; Inert atmosphere;84%
5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-((5-hydroxy-2-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate
1389307-17-8

(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-((5-hydroxy-2-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate In chloroform at 45℃; for 12h; Inert atmosphere; regioselective reaction;83%
With tetrabutylammomium bromide; potassium carbonate In chloroform at 45℃; for 12h;83.11%
1-(chloromethyl)-2,4-dimethoxybenzene
55791-52-1

1-(chloromethyl)-2,4-dimethoxybenzene

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

C35H34O8

C35H34O8

Conditions
ConditionsYield
With triethylamine In dichloromethane at 110 - 120℃; for 8h; Inert atmosphere;82.07%
n-octadecyl p-toluenesulfonate
3386-32-1

n-octadecyl p-toluenesulfonate

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

C52H84O5

C52H84O5

Conditions
ConditionsYield
With sodium carbonate In benzene at 20 - 130℃; for 8h;80.28%
C14H19FO9
126641-47-2

C14H19FO9

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

5-hydroxy-4'-methoxyflavone 7-O-β-D-galactopyranoside tetraacetate
80443-10-3

5-hydroxy-4'-methoxyflavone 7-O-β-D-galactopyranoside tetraacetate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at -20 - -5℃; for 3.5h; Molecular sieve; Inert atmosphere; stereoselective reaction;78%
5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

2,3,4,6-tetra-O-acetyl-β-galactopyranosyl fluoride
4163-45-5

2,3,4,6-tetra-O-acetyl-β-galactopyranosyl fluoride

5-hydroxy-4'-methoxyflavone 7-O-β-D-galactopyranoside tetraacetate
80443-10-3

5-hydroxy-4'-methoxyflavone 7-O-β-D-galactopyranoside tetraacetate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at -20 - -5℃; Inert atmosphere; stereoselective reaction;78%
5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

Dibenzyl N,N-diisopropylphosphoramidite
108549-23-1

Dibenzyl N,N-diisopropylphosphoramidite

C30H25O8P

C30H25O8P

Conditions
ConditionsYield
Stage #1: 5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one; Dibenzyl N,N-diisopropylphosphoramidite With 1H-tetrazole In acetonitrile at 20℃; for 12h;
Stage #2: With tert.-butylhydroperoxide In acetonitrile at 20℃; for 0.0833333h;
76%
1-bromo-2,3,4,6-tetra-O-acetyl-D-galactopyranose
3068-32-4

1-bromo-2,3,4,6-tetra-O-acetyl-D-galactopyranose

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

5-hydroxy-4'-methoxyflavone 7-O-β-D-galactopyranoside tetraacetate
80443-10-3

5-hydroxy-4'-methoxyflavone 7-O-β-D-galactopyranoside tetraacetate

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate In chloroform at 45℃; for 12h; Inert atmosphere; regioselective reaction;75%
[13C]methyl iodide
4227-95-6

[13C]methyl iodide

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

13C-4’,12C-7-methylapigenenin

13C-4’,12C-7-methylapigenenin

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h; Inert atmosphere; regiospecific reaction;73%
Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate In chloroform at 45℃; for 12h; Inert atmosphere; regioselective reaction;71%
α-hepta-O-acetyllactosyl bromide

α-hepta-O-acetyllactosyl bromide

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

acacetin-7-O-β-D-hepta-O-acetyllactoside
1389307-18-9

acacetin-7-O-β-D-hepta-O-acetyllactoside

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate In chloroform at 45℃; for 12h; Inert atmosphere; regioselective reaction;65%
5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one
480-44-4

5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one

N-(3-bromopropyl)propane-1-sulfonamide

N-(3-bromopropyl)propane-1-sulfonamide

N-{3-[5,7-dihydroxy-2-(4-methoxyphenyl)-4-oxochroman-3-yl]propyl}propane-1-sulfonamide

N-{3-[5,7-dihydroxy-2-(4-methoxyphenyl)-4-oxochroman-3-yl]propyl}propane-1-sulfonamide

Conditions
ConditionsYield
Stage #1: N-(3-bromopropyl)propane-1-sulfonamide With magnesium In tetrahydrofuran Heating;
Stage #2: 5,7-dihydroxy-2-(4'-methoxyphenyl)-4H-1-benzopyran-4-one With zirconocene dichloride In tetrahydrofuran at 30 - 40℃; for 2h;
65%

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