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Hangzhou Sartort Biopharma Co., Ltd

Appearance:Light yellow powder Storage:R.T Package:5kg/drum Application:diabetes prevention Transportation:Express/Sea/Air Port:Any port in China

High Quality Kaempferol powder cas 520-18-3

Cas:520-18-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

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

Kaempferol

Cas:520-18-3

Min.Order:1 Kilogram

FOB Price: $800.0 / 1000.0

Type:Other

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

1.Free sample(10-20g or enough to detection) and Unconditional assume respons 2.100% Natural porduct, without any synthetize ingredient 3.Manufacturer direct supply, provide OEM, R&D service 4.ISO/HACCP/KOSHER/GMP/FDA 5.Leading plant ex

CAS No.520-18-3 Kaempferol CAS NO.520-18-3

Cas:520-18-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Kaempferol Manufacturer/High quality/Best price/In stock

Cas:520-18-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

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

High quality Kaempferol supplier in China

Cas:520-18-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

Kaempferol CAS NO.520-18-3

Cas:520-18-3

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Kaempferol Cas 520-18-3 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:-20°C Package:1kg/foil bag, 25kg/drum or as you require

Bottom price best quality Kaempferol Cas 520-18-3 with fast delivery

Cas:520-18-3

Min.Order:1 Kilogram

FOB Price: $55.0

Type:Trading Company

inquiry

Xi'an Quanao Biotech Co., Ltd.

Company profile Xi’an Quanao Biotech Co., Ltd. with 10 years experience in plant extract filed. Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medic

Manufacturer Directly Supply High Quality Kaempferia Galanga Extract Kaempferol 98% Powder

Cas:520-18-3

Min.Order:100 Gram

FOB Price: $3.5 / 3.8

Type:Manufacturers

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Yellow crystal Complies Assay 98%min 98.71%

High quality Kaempferol with best price cas:520-18-3

Cas:520-18-3

Min.Order:1 Kilogram

FOB Price: $250.0 / 350.0

Type:Manufacturers

inquiry

shanghai Tauto Biotech Co., Ltd

More than 20 years experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2015 quality management system Leader Supplier of Botanical Reference Materials in China 30

Kaempferol

Cas:520-18-3

Min.Order:10 Milligram

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

Xi`an Eastling Biotech Co., Ltd.

Kaempferol CAS: 520-18-3 Molecular Formula: C15H10O6 Home Product Category Organic raw materials Phenolic compounds 520-18-3 520-18-3 - Names and Identifiers Name Kaempferol Synonyms c.i.75640 kampherol camph

Top Quality Natural Kaempferol

Cas:520-18-3

Min.Order:1 Kilogram

FOB Price: $35.0 / 49.0

Type:Lab/Research institutions

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

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

lower price High quality Kaempferol

Cas:520-18-3

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

Kaempferol (C.I. 75640)

Cas:520-18-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:Kaempferol English Name:Kaempferol Molecular formula:C15H10O6 Molecular weight:286.23 Packaging Specification: 25kg/drum high purity 99%min stock Hubei DiBo Chemical Co., Ltd. was founded in 2009, is a high-tech industrial unit which

Kaempferol /powder /CAS:520-18-3 /Manufacturer provides straightly

Cas:520-18-3

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Kaempferol Basic information Product Name: Kaempferol Synonyms: 3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4h-1-benzopyran-4-on;5,7,4’-trihydroxyflavonol;c.i.75640;campherol;indigoyellow

KaeMpferol

Cas:520-18-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Density: 1.2981 (rough estimate) Melting point: 276 ° C Boiling point: 348.61 ° C (rough estimate) Flash point: 240.7 ° C Steam pressure: 6.38E-16mmHg at 25 ° C Solubility: ethanol: 20mg/mL Refractive index: 1.4413 (estimated) Acidity

Kaempferol 520-18-3

Cas:520-18-3

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

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

New production CAS 520-18-3 with best quality

Cas:520-18-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

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

Kaempferol pure nature 98.0%

Cas:520-18-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name:Kaempferol CAS:520-18-3 Molecular Formula:C15H10O6 Molecular Weight:286.24 EINECS:208-287-6 Purity:99% Appearance:Light yellow Powder Storage:Store in cool and dry place, away from sun light. Package: 25KG/d

Kaempferol CAS: 520-18-3

Cas:520-18-3

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Appearance:Light-Yellow fine power Storage:stor

high quality Kaempferol pure nature 98.0%

Cas:520-18-3

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

USA/EU/AU warehouse Supply high quality Kaempferol Best Price kempferol/kampherol

Cas:520-18-3

Min.Order:10 Gram

FOB Price: $8.8

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)

Kaempferol

Cas:520-18-3

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

About us 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.

Kaempferol

Cas:520-18-3

Min.Order:1 Kilogram

FOB Price: $70.0 / 80.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Kaempferol CAS:520-18-3 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, s

Kaempferol CAS:520-18-3

Cas:520-18-3

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,3,5,7-trihydroxy-2-(4-hydroxyphenyl)-

Cas:520-18-3

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 and produce sarms in bulk quantity. We have 8 years experience making all kinds of sarms. And all our old customers

High quality Kaempferia Galanga Extract Kaempferol

Cas:520-18-3

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

About Product Details

China Biggest Factory Manufacturer Supply Kaempferol CAS 520-18-3

Cas:520-18-3

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

ShangHai Soyoung Biotechnology Inc

Shanghai SOYOUNG onsite assessment conducted by Bureau Veritas commissioned at June 2018. Assessed Supplier of Shanghai SOYOUNG is a faithful and professional supplier of health raw materials in pharmacy, food, cosmetic and other fields for many ye

Sophora japonica extract 98% Kaempferol

Cas:520-18-3

Min.Order:25 Kilogram

FOB Price: $158.0

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

Kaempferol 520-18-3

Cas:520-18-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

kaempferol 3-O-β-D-glucuronide
22688-78-4

kaempferol 3-O-β-D-glucuronide

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogenchloride; methanol for 2h; Heating;100%
astragalin
480-10-4

astragalin

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogenchloride for 1h; Heating;91.1%
With sulfuric acid
kaempferol 5,7,4'-trimethyl ether
1098-92-6

kaempferol 5,7,4'-trimethyl ether

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With boron tribromide In dichloromethane for 24h; Heating;91%
With 1-butylpyridinium bromide for 0.1h; microwave irradiation;72%
With trimethylsilyl iodide In methanol at 35℃; for 96h; Inert atmosphere;
5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-hydroxy-4H-chromen-4-one
23405-70-1

5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-hydroxy-4H-chromen-4-one

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran; methanol under 760.051 Torr; for 12h;72%
With hydrogen; palladium(II) hydroxide In tetrahydrofuran; methanol at 20℃; for 3h;58%
dihydrokaempferol
724434-08-6

dihydrokaempferol

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With potassium pyrosulfite In ethanol at 100℃;60%
With oxygen; potassium carbonate In ethanol for 8h; Reflux;23.4 g
Conditions
ConditionsYield
With sulfuric acid; water unter Durchleiten von Luft;
With water; sodium hydrogensulfite
With FLAVONOL SYNTHASE; TrxA-His-AtFLS1 In aq. buffer at 30℃; for 3h; pH=7.2; Kinetics; Concentration; Temperature; Enzymatic reaction;
astragalin
480-10-4

astragalin

A

D-Glucose
2280-44-6

D-Glucose

B

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With emulsin
With sulfuric acid
With hydrogenchloride
Hydrolysis; Acid hydrolysis;
Conditions
ConditionsYield
Product distribution; acid hydrolysis, also mild acid hydrolysis and enzymatic hydrolysis, other flavonoid;
Conditions
ConditionsYield
acidic hydrolysis for structure determination;
3,7-Di-O-glucosylkaempferol
25615-14-9

3,7-Di-O-glucosylkaempferol

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With sulfuric acid
kaempferol 7-O-α-L-rhamnopyranoside
5041-97-4

kaempferol 7-O-α-L-rhamnopyranoside

A

L-rhamnose
73-34-7

L-rhamnose

B

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogen cation
kaempferol 3-rhamnoside
482-39-3, 22334-39-0, 28978-08-7

kaempferol 3-rhamnoside

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogenchloride; ethanol for 1h; Heating;
With naringinase In acetate buffer at 20℃; for 3h; pH=5.5; Enzymatic reaction;
With flavonol 3-O-rhamnosyltransferase UGT78D1 from arabidopsis thaliana; UDP-Rha

A

D-Galactose
10257-28-0

D-Galactose

B

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With acid hydrolysis
With sulfuric acid
With hydrogenchloride In ethanol
Kaempferol-3,7-dirhamnosid
482-38-2

Kaempferol-3,7-dirhamnosid

A

L-rhamnose
73-34-7

L-rhamnose

B

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
In methanol for 1.66667h; 2percent H2SO4;
ermanin
20869-95-8

ermanin

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
demethylation;

A

D-Glucose
2280-44-6

D-Glucose

B

p-Coumaric Acid
7400-08-0

p-Coumaric Acid

C

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogenchloride at 100℃; for 2h;

A

D-glucose
50-99-7

D-glucose

B

p-Coumaric Acid
7400-08-0

p-Coumaric Acid

C

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogenchloride In methanol for 1.5h; Product distribution; Heating; hydrolysis;
rhamnocitrin
569-92-6

rhamnocitrin

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogen iodide; acetic anhydride; phenol at 130℃; for 0.5h;
kaempferol 3-O-[β-D-glucopyranosyl-(1->2)-β-D-glucopyranoside]
152390-63-1

kaempferol 3-O-[β-D-glucopyranosyl-(1->2)-β-D-glucopyranoside]

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With sulfuric acid at 100℃; for 0.5h;
kaempferol 3-O-β-D-<2G-O-β-D-xylopyranosyl-6G-O-α-L-rhamnopyranosyl>glucopyranoside
131573-90-5

kaempferol 3-O-β-D-<2G-O-β-D-xylopyranosyl-6G-O-α-L-rhamnopyranosyl>glucopyranoside

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With sulfuric acid at 100℃; for 1h;
3-O-[(2-O-β-D-galactopyranosyl-6-O-α-L-rhamnopyranosyl)-β-D-glucopyranosyl]-kaempferol
135095-52-2

3-O-[(2-O-β-D-galactopyranosyl-6-O-α-L-rhamnopyranosyl)-β-D-glucopyranosyl]-kaempferol

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With sulfuric acid at 100℃; for 1h;
Kaempferol-3-O-<3,6-di-O-acetyl-2,4-di-O-(p-cumaroyl)-β-D-glucopyranosid>
94474-72-3

Kaempferol-3-O-<3,6-di-O-acetyl-2,4-di-O-(p-cumaroyl)-β-D-glucopyranosid>

A

D-Glucose
2280-44-6

D-Glucose

B

p-Coumaric Acid
7400-08-0

p-Coumaric Acid

C

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
acid total hydrolysis;
kaempferol-5-O-arabinoside

kaempferol-5-O-arabinoside

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogenchloride
Kaempferol-3-O-<2Glc-(p-cumaroyl)-α-L-rhamnopyranosyl(1->6)-β-D-glucopyranosid>

Kaempferol-3-O-<2Glc-(p-cumaroyl)-α-L-rhamnopyranosyl(1->6)-β-D-glucopyranosid>

A

L-Rhamnose
3615-41-6

L-Rhamnose

B

D-glucose
50-99-7

D-glucose

C

p-Coumaric Acid
7400-08-0

p-Coumaric Acid

D

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogenchloride In methanol for 1.5h; Product distribution; Heating; hydrolysis;
lepidoside
89946-00-9

lepidoside

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With sulfuric acid In methanol for 0.5h; Heating;

A

D-Glucose
2280-44-6

D-Glucose

B

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
acid hydrolysis;
7-O-β-D-glucopyranosyl-kaempferol-3-O-α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranoside
78527-48-7

7-O-β-D-glucopyranosyl-kaempferol-3-O-α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranoside

A

D-Glucose
2280-44-6

D-Glucose

B

L-rhamnose
73-34-7

L-rhamnose

C

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogenchloride In methanol for 2h; Heating;
kaempferol 3-O-(3'',6''-di-O-E-p-coumaroyl)-β-D-glucopyranoside
74712-68-8

kaempferol 3-O-(3'',6''-di-O-E-p-coumaroyl)-β-D-glucopyranoside

A

D-Glucose
2280-44-6

D-Glucose

B

p-Coumaric Acid
7400-08-0

p-Coumaric Acid

C

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With hydrogenchloride at 100℃; for 3h;

A

D-Glucose
2280-44-6

D-Glucose

B

L-rhamnose
73-34-7

L-rhamnose

C

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With sulfuric acid In water for 2h; Heating;
kaempferol
520-18-3

kaempferol

acetic anhydride
108-24-7

acetic anhydride

3,5,7-triacetoxy-2-(4-acetoxy-phenyl)-chromen-4-one
16274-11-6

3,5,7-triacetoxy-2-(4-acetoxy-phenyl)-chromen-4-one

Conditions
ConditionsYield
With pyridine at 20℃; for 4h;95%
With pyridine at 20℃;94%
With pyridine94%
kaempferol
520-18-3

kaempferol

acetic anhydride
108-24-7

acetic anhydride

5,7-dihydroxy-3,3',4',6-tetramethoxyflavone
35688-42-7

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

Conditions
ConditionsYield
With pyridine at 20℃; for 4h; Inert atmosphere;95%
kaempferol
520-18-3

kaempferol

acetic anhydride
108-24-7

acetic anhydride

kaempferol triacetate
143724-69-0

kaempferol triacetate

Conditions
ConditionsYield
With pyridine at 20℃; for 0.25h; Inert atmosphere;95%
With pyridine at 20℃; for 0.25h;95%
With pyridine at 100 - 140℃;90.5%
kaempferol
520-18-3

kaempferol

acetic anhydride
108-24-7

acetic anhydride

C19H14O8

C19H14O8

Conditions
ConditionsYield
With piperidine at 100 - 140℃;92.4%
kaempferol
520-18-3

kaempferol

acetic anhydride
108-24-7

acetic anhydride

3,4',5-tri-O-acetylkaempferol

3,4',5-tri-O-acetylkaempferol

Conditions
ConditionsYield
With 4-methylpiperidin at 100 - 140℃;91.8%
kaempferol
520-18-3

kaempferol

uridine-5'-diphosphoglucose
952585-00-1

uridine-5'-diphosphoglucose

kaempferol 8-C-β-D-glucoside
562068-65-9

kaempferol 8-C-β-D-glucoside

Conditions
ConditionsYield
With TcCGT1-C-glycosyltransferase from Trolliuschinensisuridine in complex with uridine diphosphate In aq. phosphate buffer; dimethyl sulfoxide pH=8; Enzymatic reaction;91.6%
kaempferol
520-18-3

kaempferol

dimethyl sulfate
77-78-1

dimethyl sulfate

3,4',5,7-tetramethoxyflavone
16692-52-7

3,4',5,7-tetramethoxyflavone

Conditions
ConditionsYield
With potassium carbonate In acetone at 50℃; for 48h;90%
With potassium carbonate In acetone at 50℃;90%
With potassium carbonate In acetone at 50℃; for 48h;86.3%
With potassium carbonate
With potassium carbonate In acetone for 4h; Heating;
kaempferol
520-18-3

kaempferol

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

3,7,4'-tri-O-tert-butyldimethylsilylkaempferol
1246814-11-8

3,7,4'-tri-O-tert-butyldimethylsilylkaempferol

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 0.25h;90%
In N,N-dimethyl-formamide at 20℃; Inert atmosphere;81%
kaempferol
520-18-3

kaempferol

benzyl bromide
100-39-0

benzyl bromide

3,4',7-tri-O-benzylkaempferol

3,4',7-tri-O-benzylkaempferol

Conditions
ConditionsYield
With potassium carbonate In acetone90%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; Inert atmosphere;72%
kaempferol
520-18-3

kaempferol

1-deoxy-1-fluoro-α-D-glucose
2106-10-7

1-deoxy-1-fluoro-α-D-glucose

kaempferol 7-α-O-glucoside
16290-07-6

kaempferol 7-α-O-glucoside

Conditions
ConditionsYield
With α-glucosidase from sulfolobus solfataricus In dimethyl sulfoxide at 45℃; for 2h; pH=9; Enzymatic reaction;90%
kaempferol
520-18-3

kaempferol

L-proline
147-85-3

L-proline

kaempferol L-proline cocrystals (1:2)

kaempferol L-proline cocrystals (1:2)

Conditions
ConditionsYield
In tetrahydrofuran; methanol at 50℃;89.6%
kaempferol
520-18-3

kaempferol

kaempferol 3-O-N-acetylglucosamine

kaempferol 3-O-N-acetylglucosamine

Conditions
ConditionsYield
With 3-O-glycosyltransferase from Scutellaria baicalensis In dimethyl sulfoxide at 45℃; for 4h; pH=9; Enzymatic reaction; regiospecific reaction;88%
5-fluorouracil
51-21-8

5-fluorouracil

kaempferol
520-18-3

kaempferol

C15H10O6*C4H3FN2O2

C15H10O6*C4H3FN2O2

Conditions
ConditionsYield
In ethanol at 20℃; for 24h;83.3%
In ethanol at 20℃; for 5h; Solvent;83.3%
UDP-glucose
133-89-1

UDP-glucose

kaempferol
520-18-3

kaempferol

kaempferol 7-glucoside
16290-07-6

kaempferol 7-glucoside

Conditions
ConditionsYield
With glycosyltransferase from Carthamus tinctorius (L.) (Honghua) recombinant In dimethyl sulfoxide at 30℃; for 12h; pH=7.4; Enzymatic reaction;80%
With flavonoid 7-O-glucosyltransferase from Andrographis paniculata In methanol at 30℃; for 12h; Enzymatic reaction;
uridine 5'-diphospho-D-galactose
2956-16-3

uridine 5'-diphospho-D-galactose

kaempferol
520-18-3

kaempferol

Conditions
ConditionsYield
With 3-O-glycosyltransferase from Scutellaria baicalensis In dimethyl sulfoxide at 45℃; for 4h; pH=9; Catalytic behavior; Enzymatic reaction; regiospecific reaction;79%
With 7-O-glucosyltransferase from Epimedium pseudowushanense In dimethyl sulfoxide at 30℃; for 12h; pH=7.4; Green chemistry; Enzymatic reaction;17.1%
kaempferol
520-18-3

kaempferol

methyl iodide
74-88-4

methyl iodide

3,4',5,7-tetramethoxyflavone
16692-52-7

3,4',5,7-tetramethoxyflavone

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 15h; Inert atmosphere;78%
1,10-Phenanthroline
66-71-7

1,10-Phenanthroline

kaempferol
520-18-3

kaempferol

zinc(II) chloride
7646-85-7

zinc(II) chloride

(κ2-O,O-kaempferol)(κ2-N,N-1,10-phenanthroline)zinc(II) chloride
1482348-51-5

(κ2-O,O-kaempferol)(κ2-N,N-1,10-phenanthroline)zinc(II) chloride

Conditions
ConditionsYield
Stage #1: kaempferol; zinc(II) chloride With sodium hydroxide In methanol at 20℃; for 1h;
Stage #2: 1,10-Phenanthroline In methanol for 2h; Reflux;
77%
formaldehyd
50-00-0

formaldehyd

kaempferol
520-18-3

kaempferol

dimethyl amine
124-40-3

dimethyl amine

8-((dimethylamino)methyl)-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one

8-((dimethylamino)methyl)-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one

Conditions
ConditionsYield
In ethanol at 20℃; for 0.5h; Mannich Aminomethylation;76%
[2,2]bipyridinyl
366-18-7

[2,2]bipyridinyl

kaempferol
520-18-3

kaempferol

zinc(II) chloride
7646-85-7

zinc(II) chloride

(κ2-O,O-kaempferol)(κ2-N,N-2,20-bipyridine)zinc(II) chloride
1482348-52-6

(κ2-O,O-kaempferol)(κ2-N,N-2,20-bipyridine)zinc(II) chloride

Conditions
ConditionsYield
Stage #1: kaempferol; zinc(II) chloride With sodium hydroxide In methanol at 20℃; for 1h;
Stage #2: [2,2]bipyridinyl In methanol for 2h; Reflux;
75%
formaldehyd
50-00-0

formaldehyd

kaempferol
520-18-3

kaempferol

diisopropylamine
108-18-9

diisopropylamine

6-((diisopropylamino)methyl)-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one

6-((diisopropylamino)methyl)-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one

Conditions
ConditionsYield
In ethanol at 20℃; for 0.5h; Mannich Aminomethylation;74%
1,10-Phenanthroline
66-71-7

1,10-Phenanthroline

copper(II) choride dihydrate

copper(II) choride dihydrate

kaempferol
520-18-3

kaempferol

(κ2-O,O-kaempferol) (κ2-N,N-1,10-phenanthroline)copper(II) chloride

(κ2-O,O-kaempferol) (κ2-N,N-1,10-phenanthroline)copper(II) chloride

Conditions
ConditionsYield
Stage #1: copper(II) choride dihydrate; kaempferol With sodium hydroxide In methanol at 20℃; for 1h;
Stage #2: 1,10-Phenanthroline In methanol for 2h; Reflux;
71%
kaempferol
520-18-3

kaempferol

dimethyl sulfate
77-78-1

dimethyl sulfate

5-hydroxy-3,4',7-trimethoxyflavone
15486-34-7

5-hydroxy-3,4',7-trimethoxyflavone

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetone at 20℃; for 1h;70%
With potassium hydroxide
With potassium carbonate; acetone
kaempferol
520-18-3

kaempferol

A

C15H8O12S2(2-)*2K(1+)
116115-04-9

C15H8O12S2(2-)*2K(1+)

B

C15H7O15S3(3-)*3K(1+)
116097-12-2

C15H7O15S3(3-)*3K(1+)

Conditions
ConditionsYield
With potassium acetate; tetra(n-butyl)ammonium hydrogensulfate; dicyclohexyl-carbodiimide In pyridine at 25℃; for 48h; Yields of byproduct given;A 69%
B n/a
kaempferol
520-18-3

kaempferol

allyl bromide
106-95-6

allyl bromide

7-O-allylkaempherol
1307876-11-4

7-O-allylkaempherol

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate In water; N,N-dimethyl-formamide at 50℃; for 3h;69%
[2,2]bipyridinyl
366-18-7

[2,2]bipyridinyl

copper(II) choride dihydrate

copper(II) choride dihydrate

kaempferol
520-18-3

kaempferol

(κ2-O,O-kaempferol)(κ2-N,N-2,2'-bipyridine)copper(II) chloride
1482348-49-1

(κ2-O,O-kaempferol)(κ2-N,N-2,2'-bipyridine)copper(II) chloride

Conditions
ConditionsYield
Stage #1: copper(II) choride dihydrate; kaempferol With sodium hydroxide In methanol at 20℃; for 1h;
Stage #2: [2,2]bipyridinyl In methanol for 2h; Reflux;
68%
kaempferol
520-18-3

kaempferol

Hexanoyl chloride
142-61-0

Hexanoyl chloride

3,7,4'-tri(O-hexanoyl)kaempferol

3,7,4'-tri(O-hexanoyl)kaempferol

Conditions
ConditionsYield
With triethylamine In acetone at 0 - 20℃; for 3h;68%
With triethylamine In acetone at 20℃; Inert atmosphere;61%

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