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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:

High Quality Natural Improve Man Sex Enhancing Deer Antler Velvet Extract Powder 10:1

Cas:525-82-6

Min.Order:25 Kilogram

FOB Price: $22.0 / 88.0

Type:Manufacturers

inquiry

Xian Changyue Biological Technology Co., Ltd.

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

Flavone

Cas:525-82-6

Min.Order:1 Kilogram

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

Flavone

Cas:525-82-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

Specifications Type: Herbal Extract Variety: whole plant Form: Powder, powder Part: Leaf Extraction Type: Solvent Extraction

Manufacture supply bamboo extract Flavone 10% 30% 50% CAS NO 525-82-6

Cas:525-82-6

Min.Order:1 Kilogram

FOB Price: $600.0 / 700.0

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Natural Extract 98% FLAVONE 525-82-6 HACCP Manufacturer

Cas:525-82-6

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Hawthorn Extract Powder Flavones

Cas:525-82-6

Min.Order:1 Metric Ton

Negotiable

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

Flavone

Cas:525-82-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

FLAVONE Basic information Product Name: FLAVONE Synonyms: FLAVONE;2-PHENYLCHROME;2-PHENYLCHROMONE;2-PHENYL-4H-CHROMEN-4-ONE;2-PHENYL-4H-1-BENZOPYRAN-4-ONE;2-Phenyl-4-chromone;2-phenyl-4h

TIANFU-CHEM CAS:525-82-6 FLAVONE

Cas:525-82-6

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

FLAVONE

Cas:525-82-6

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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

Manufacturer supply CAS 525-82-6 with best quality

Cas:525-82-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name FLAVONE CAS 525-82-6 MF C15H10O2 MW 222.24 EINECS 208-383-8 Product Categories Biochemistry;Flavonoids;Building block;Inhibitors Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package:

Flavone CAS: 525-82-6

Cas:525-82-6

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

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

4H-1-Benzopyran-4-one,2-phenyl- 525-82-6

Cas:525-82-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply High quality Flavone CAS 525-82-6 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China and expor

High quality Flavone CAS 525-82-6

Cas:525-82-6

Min.Order:1 Gram

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)

Flavone

Cas:525-82-6

Min.Order:10 Milligram

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-phenyl-

Cas:525-82-6

Min.Order:0

Negotiable

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

Natural Bamboo Leaf Extract

Cas:525-82-6

Min.Order:1 Kilogram

FOB Price: $32.0

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

FLAVONE

Cas:525-82-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

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

Factory Supply Flavone

Cas:525-82-6

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

4H-1-Benzopyran-4-one,2-phenyl-

Cas:525-82-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Binbo Biological Co., Ltd

1.high purity 2.consistent quality 3.competitive price 4.fast shipping Binbo Biological Products Co. Ltd., is a professional high-tech enterprise which engaged in Biological products and raw materials. Binbo is engaged in R&D with perfect eq

Chaste Berry Extract Flavone

Cas:525-82-6

Min.Order:1 Kilogram

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

Hawthorn Leaf Extract Powder

Cas:525-82-6

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,

Flavone

Cas:525-82-6

Min.Order:1 Kilogram

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

Flavone

Cas:525-82-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

2-Phenylchromone

Cas:525-82-6

Min.Order:0

Negotiable

Type:Manufacturers

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 Flavone 20mg

Cas:525-82-6

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Flavone, 99%

Cas:525-82-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

Flavone

Cas:525-82-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE:1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day2. The products are provided with COA, HPLC, NMR, quality assurance, pac

Flavone

Cas:525-82-6

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

Flavone, froM Euphrasia L.

Cas:525-82-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

Flavone

Cas:525-82-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

1-(2-hydroxyphenyl)-3-phenyl-1,3-propanedione
1469-94-9

1-(2-hydroxyphenyl)-3-phenyl-1,3-propanedione

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
copper dichloride In ethanol at 80℃; for 0.0833333h; microwave irradiation;98%
With potassium hydrogensulfate at 120℃; for 2h; Temperature; Green chemistry;98%
With gallium(III) triflate In nitromethane at 80℃; for 2h;97%
2-Iodophenol
533-58-4

2-Iodophenol

carbon monoxide
201230-82-2

carbon monoxide

phenylacetylene
536-74-3

phenylacetylene

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With C22H28Br2N4Pd; diethylamine In N,N-dimethyl-formamide at 80℃; under 3000.3 Torr; for 24h; Autoclave;98%
With diethylamine In N,N-dimethyl-formamide at 100℃; under 10343.2 Torr; for 24h; Sonogashira Cross-Coupling; Autoclave;96%
With (trihexyl)(tetradecyl)phosphonium bromide; triethylamine; palladium dichloride at 110℃; under 760.051 Torr; for 24h; Autoclave;95%
benzaldehyde
100-52-7

benzaldehyde

1-phenyl-2-hydroxyethanone
582-24-1

1-phenyl-2-hydroxyethanone

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With 1-butyl-3-methylimidazolium molybdate In hexan-1-ol at 70℃; for 3h;98%
Flavanone
487-26-3

Flavanone

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With pyrrolidone hydrotribromide In dimethyl sulfoxide at 80℃; for 2h;97%
With thallium(III) acetate In acetic acid for 3h; Heating;96%
With thallium(III) acetate In acetic acid for 3h; Heating;96%
(E)-2'-hydroxy-chalcone
888-12-0

(E)-2'-hydroxy-chalcone

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With indium(III) bromide; silica gel at 130 - 140℃; for 0.75h;96%
With iodine In dimethyl sulfoxide for 1h; Reflux;85%
With iodine In 2,2'-[1,2-ethanediylbis(oxy)]bisethanol at 150℃; for 4h; Product distribution; Further Variations:; Solvents; Temperatures; reaction times;83%
1-(2-hydroxyphenyl)-3-phenylprop-2-yn-1-one
16619-68-4

1-(2-hydroxyphenyl)-3-phenylprop-2-yn-1-one

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With dmap In N,N-dimethyl-formamide at 0 - 30℃; for 1.5h; Morita-Baylis-Hillman reaction; Inert atmosphere; regioselective reaction;96%
With thallium(III) toluene-p-sulfonate In methanol at 65℃; for 6h; Reagent/catalyst; Solvent; Time; regioselective reaction;91%
With lithium tert-butoxide In N,N-dimethyl-formamide at 20℃; for 0.166667h; Reagent/catalyst; Time; Temperature;90%
1-(2-hydroxyphenyl)-2-(triphenylphosphoranylidene)ethanone
81995-11-1

1-(2-hydroxyphenyl)-2-(triphenylphosphoranylidene)ethanone

benzoyl chloride
98-88-4

benzoyl chloride

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With pyridine In toluene for 5h; Heating;96%
1-(2-hydroxyphenyl)-3-phenylprop-2-en-1-one
1214-47-7

1-(2-hydroxyphenyl)-3-phenylprop-2-en-1-one

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With Iodine monochloride; dimethyl sulfoxide at 50℃; for 0.5h; Temperature; Reagent/catalyst; Sonication; Green chemistry;96%
With cerium (IV) sulfate tetrahydrate; silica gel In neat (no solvent) at 100℃; for 4h; Concentration; Time; Green chemistry;94%
With copper(l) iodide; oxygen at 50℃; under 760.051 Torr; for 48h; oxa-Michael-oxidation; Ionic liquid;92%
1-[2-(tert-butyldimethylsilyloxy)phenyl]-3-phenylprop-2-yn-1-one
223511-19-1

1-[2-(tert-butyldimethylsilyloxy)phenyl]-3-phenylprop-2-yn-1-one

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With diethylamine In ethanol for 24h; Heating;96%
2'-allyloxychalcone
16619-51-5

2'-allyloxychalcone

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With iodine In dimethyl sulfoxide at 120℃; for 0.5h; regioselective reaction;96%
Multi-step reaction with 2 steps
1: acetic acid / 24 h / 20 °C
2: iodine / dimethyl sulfoxide / 0.5 h / 130 °C
View Scheme
2,3-dihydro-4H-1-benzopyran-4-one
491-37-2

2,3-dihydro-4H-1-benzopyran-4-one

phenylboronic acid
98-80-6

phenylboronic acid

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With palladium(II) trifluoroacetate; 5-Nitro-1,10-phenanthroline; oxygen In dimethyl sulfoxide at 100℃; for 48h; Reagent/catalyst; Solvent;96%
1-(2-hydroxyphenyl)-3-phenylprop-2-yn-1-one
16619-68-4

1-(2-hydroxyphenyl)-3-phenylprop-2-yn-1-one

A

FLAVONE
525-82-6

FLAVONE

B

(Z)-4'-methoxyaurone
36685-41-3

(Z)-4'-methoxyaurone

Conditions
ConditionsYield
With silver nitrate In methanol Ambient temperature;A 5%
B 95%
1-(2-hydroxyphenyl)-3-phenylprop-2-yn-1-one
16619-68-4

1-(2-hydroxyphenyl)-3-phenylprop-2-yn-1-one

A

FLAVONE
525-82-6

FLAVONE

B

aurone
37542-14-6

aurone

Conditions
ConditionsYield
With silver nitrate In methanol Ambient temperature;A 5%
B 95%
With 2-pyridone sodium salt In tetrahydrofuran at 20℃; for 6h; Reagent/catalyst; Solvent; Temperature; Time; regioselective reaction;A 3%
B 93%
With tricyclohexylphosphine In ethanol at 30℃; for 2h;A n/a
B 55%
1-(2-acetoxy-phenyl)-3-phenyl-2-propyn-1-one
16619-67-3

1-(2-acetoxy-phenyl)-3-phenyl-2-propyn-1-one

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With piperazine In acetonitrile at 25℃; for 3h; Schlenk technique;95%
With piperazine In acetonitrile at 20℃; for 6h; Schlenk technique;95%
With 18-crown-6 ether; potassium methanolate In tetrahydrofuran at 20℃; for 0.25h; Reagent/catalyst; Time; Temperature; Solvent;76%
iron pentacarbonyl
13463-40-6

iron pentacarbonyl

2-Iodophenol
533-58-4

2-Iodophenol

phenylacetylene
536-74-3

phenylacetylene

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With piperazine; palladium diacetate In acetonitrile at 50℃; for 12h; Schlenk technique;95%
2-phenylchromene
93514-42-2, 6053-99-2

2-phenylchromene

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With tert.-butylhydroperoxide; copper(ll) bromide In decane; toluene at 80℃; for 0.0833333h; Reagent/catalyst; Solvent; Temperature; Inert atmosphere;94%
With thallium(III) nitrate In methanol Ambient temperature; overnight;20%
1-benzopyran-4(4H)-one
491-38-3

1-benzopyran-4(4H)-one

phenylboronic acid
98-80-6

phenylboronic acid

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
Stage #1: 1-benzopyran-4(4H)-one; phenylboronic acid With iron(III) trifluoromethanesulfonate; palladium diacetate; Trimethylacetic acid at 60℃; under air;
Stage #2: With potassium nitrite; 2,3-dicyano-5,6-dichloro-p-benzoquinone
94%
Stage #1: 1-benzopyran-4(4H)-one With 1,10-Phenanthroline; oxygen; palladium diacetate In N,N-dimethyl-formamide for 0.0833333h; Heck type reaction;
Stage #2: phenylboronic acid In N,N-dimethyl-formamide at 100℃; for 24h; Heck type reaction; regioselective reaction;
86%
2,3-dihydro-4H-1-benzopyran-4-one
491-37-2

2,3-dihydro-4H-1-benzopyran-4-one

2-phenyl-4,4,5,5-tetramethyl-1,3,2-dioxoborole
24388-23-6

2-phenyl-4,4,5,5-tetramethyl-1,3,2-dioxoborole

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With palladium(II) trifluoroacetate; 5-Nitro-1,10-phenanthroline; oxygen In dimethyl sulfoxide at 100℃; for 48h;93%
With palladium(II) trifluoroacetate; 5-Nitro-1,10-phenanthroline; oxygen In dimethyl sulfoxide at 100℃; Heck Reaction;93%
2'-benzyloxy-2-bromo-acetophenone
36695-24-6

2'-benzyloxy-2-bromo-acetophenone

A

FLAVONE
525-82-6

FLAVONE

B

2-acetylphenyl benzoate
4010-33-7

2-acetylphenyl benzoate

Conditions
ConditionsYield
pyrex In benzene Irradiation;A 4%
B 92%
2-iodophenyl acetate
32865-61-5

2-iodophenyl acetate

carbon monoxide
201230-82-2

carbon monoxide

phenylacetylene
536-74-3

phenylacetylene

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene; diethylamine; thiourea; bis-triphenylphosphine-palladium(II) chloride; 1,3-bis-(diphenylphosphino)propane at 40℃; for 48h; Addition; cyclization;92%
3-iodo-2-phenyl-4H-1-benzopyran-4-one
98153-12-9

3-iodo-2-phenyl-4H-1-benzopyran-4-one

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With sodium formate; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at 90℃;92%
With copper(l) iodide; potassium carbonate; isopropyl alcohol at 90℃; for 12h; Green chemistry; regioselective reaction;92%
4-oxo-2-phenyl-4H-chromen-6-yl 4-methylbenzenesulfonate
137527-18-5

4-oxo-2-phenyl-4H-chromen-6-yl 4-methylbenzenesulfonate

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With dimethylamine borane; potassium carbonate; triphenylphosphine; nickel In N,N-dimethyl-formamide at 120℃; for 12h;92%
3-bromo-2-phenyl-chromen-4-one
1025-86-1

3-bromo-2-phenyl-chromen-4-one

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With copper(l) iodide; potassium carbonate; isopropyl alcohol at 90℃; for 12h; Catalytic behavior; Reagent/catalyst; Green chemistry; regioselective reaction;92%
trans-3-mesyloxyflavanone
67139-31-5

trans-3-mesyloxyflavanone

A

FLAVONE
525-82-6

FLAVONE

B

aurone
37542-14-6

aurone

Conditions
ConditionsYield
With dibutylamine In dimethyl sulfoxide for 72h; Ambient temperature;A 91.5%
B 6.2%
With sodium acetate In dimethyl sulfoxide at 25℃; for 144h;A 80.1%
B 10.9%
With sodium acetate In dimethyl sulfoxide at 25℃; for 144h; Product distribution; other reaction temperatures, solvents, reaction time, reagents, catalists, other amount of catalists and use other 3-mesyloxy-flavanone;A 80.1%
B 10.9%
With potassium cyanate; 18-crown-6 ether In benzene for 21h; Heating;A 31.3%
B 48%
With isopropylamine In dimethyl sulfoxide for 72h; Ambient temperature;A 57.5 % Spectr.
B 32.9 % Spectr.
1-(2-Hydroxy-4-methoxyphenyl)-3-phenylpropyn-1-one
98153-26-5

1-(2-Hydroxy-4-methoxyphenyl)-3-phenylpropyn-1-one

A

FLAVONE
525-82-6

FLAVONE

B

7-methoxoyflavone
22395-22-8

7-methoxoyflavone

Conditions
ConditionsYield
With silver nitrate In methanol Ambient temperature;A 91%
B n/a
3-<(4-Methylphenyl)sulphinyl>-4H-1-benzopyran-4-one
108378-93-4

3-<(4-Methylphenyl)sulphinyl>-4H-1-benzopyran-4-one

phenylmagnesium bromide

phenylmagnesium bromide

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With copper(I) bromide dimethylsulfide complex In tetrahydrofuran at -78 - 0℃; for 2.5h;91%
1-(2'-bromophenyl)-3-phenylpropane-1,3-dione
36081-80-8

1-(2'-bromophenyl)-3-phenylpropane-1,3-dione

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 1h; Ullmann type reaction; under air;91%
With tert-butylisonitrile; palladium diacetate; potassium carbonate; bis[2-(diphenylphosphino)phenyl] ether In N,N-dimethyl-formamide at 120℃; for 2h; Reagent/catalyst; Solvent; chemoselective reaction;86%
C18H16Br2O2
1657006-73-9

C18H16Br2O2

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With iodine In dimethyl sulfoxide at 130℃; for 0.5h;91%
4-thioflavone
5465-04-3

4-thioflavone

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
With Clayfen for 0.025h; microwave irradiation;90%
With tetraethylammonium perchlorate; ethidium Bromide In N,N-dimethyl-formamide cathodic reduction;
With air In ethanol at 20℃; Photolysis;
2'-hydroxychalcone dichloride
75630-53-4

2'-hydroxychalcone dichloride

FLAVONE
525-82-6

FLAVONE

Conditions
ConditionsYield
at 210 - 220℃; for 1.5h;90%
FLAVONE
525-82-6

FLAVONE

1a,7a-Dihydro-1a-phenyl-7H-oxireno<1>benzopyran-7-one
134051-30-2

1a,7a-Dihydro-1a-phenyl-7H-oxireno<1>benzopyran-7-one

Conditions
ConditionsYield
With 3,3-dimethyldioxirane In dichloromethane; acetone at 0℃; for 36h;100%
With 3,3-dimethyldioxirane In dichloromethane; acetone at 0℃; for 36h;100%
With Oxone; 1,1,1-trifluoro-2-propanone; edetate disodium; sodium hydrogencarbonate In acetonitrile at 0 - 1℃; for 1.25h;99%
FLAVONE
525-82-6

FLAVONE

2,2,2-trifluoroethyl acrylate
407-47-6

2,2,2-trifluoroethyl acrylate

2,2,2-trifluoroethyl (E)-3-(2-phenyl-4-oxo-4H-chromen-5-yl)acrylate

2,2,2-trifluoroethyl (E)-3-(2-phenyl-4-oxo-4H-chromen-5-yl)acrylate

Conditions
ConditionsYield
With silver hexafluoroantimonate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; copper(II) acetate monohydrate In tert-Amyl alcohol at 20 - 100℃; for 12.33h; Schlenk technique; Sealed tube; regioselective reaction;99%
Conditions
ConditionsYield
Stage #1: FLAVONE With Dimethylphenylsilane; C50H52N2; bis(pentafluorophenyl)borohydride In toluene at 20℃; for 1h; Inert atmosphere; Glovebox;
Stage #2: With trifluoroacetic acid In toluene at 20℃; for 0.166667h; Inert atmosphere; Glovebox; enantioselective reaction;
A n/a
B 99%
FLAVONE
525-82-6

FLAVONE

diethylstilbestrol
56-53-1

diethylstilbestrol

C18H20O2*2C15H10O2

C18H20O2*2C15H10O2

Conditions
ConditionsYield
In methanol at 20℃; Solvent;98.72%
FLAVONE
525-82-6

FLAVONE

3-chloro-2-phenyl-chromen-4-one
13178-98-8

3-chloro-2-phenyl-chromen-4-one

Conditions
ConditionsYield
With sulfuryl dichloride; Montmorillonite-K-10 clay In dichloromethane for 0.25h; Ambient temperature;98%
With pyridine; chloro-trimethyl-silane; [bis(acetoxy)iodo]benzene In dichloromethane at 0℃; for 3.5h;82%
With sulfuryl dichloride In tetrachloromethane63%
FLAVONE
525-82-6

FLAVONE

(2R*,2’R*)-2,2’-diphenyl-[2,2’-bichromane]-4,4’-dione
71840-34-1, 71840-35-2, 82908-23-4

(2R*,2’R*)-2,2’-diphenyl-[2,2’-bichromane]-4,4’-dione

Conditions
ConditionsYield
With samarium diiodide In tetrahydrofuran; methanol at -40℃; for 24h; Reagent/catalyst; Temperature; Solvent; Inert atmosphere; stereoselective reaction;98%
FLAVONE
525-82-6

FLAVONE

(2R*,2’S*)-2,2’-diphenyl-[2,2’-bichromane]-4,4’-dione
71840-35-2

(2R*,2’S*)-2,2’-diphenyl-[2,2’-bichromane]-4,4’-dione

Conditions
ConditionsYield
With samarium diiodide In tetrahydrofuran; methanol at 68℃; for 24h; Inert atmosphere; stereoselective reaction;98%
FLAVONE
525-82-6

FLAVONE

3-Mercapto-2-phenyl-4H-1-benzopyran-4-one
98153-13-0

3-Mercapto-2-phenyl-4H-1-benzopyran-4-one

Conditions
ConditionsYield
With sulfur; lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.583333h;97%
Conditions
ConditionsYield
With methanol; sodium tetrahydroborate; cobalt(II) 5,10,15,20-tetraphenylporphyrin; oxygen at 20℃; for 0.166667h; Kinetics; Reagent/catalyst; Time;97%
FLAVONE
525-82-6

FLAVONE

2-phenylchromanol

2-phenylchromanol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol at 20℃; for 3h; Inert atmosphere;95%
4-toluenesulfonyl azide
941-55-9

4-toluenesulfonyl azide

FLAVONE
525-82-6

FLAVONE

4-methyl-N-(4-oxo-2-phenyl-4H-chromen-5-yl)benzenesulfonamide
1607017-87-7

4-methyl-N-(4-oxo-2-phenyl-4H-chromen-5-yl)benzenesulfonamide

Conditions
ConditionsYield
With bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]; lithium carbonate; acetic acid; silver(I) triflimide In 1,2-dichloro-ethane at 25℃; for 12h; Inert atmosphere;95%
FLAVONE
525-82-6

FLAVONE

3-(2-hydroxyphenyl)-5-phenyl-pyrazole
19726-12-6

3-(2-hydroxyphenyl)-5-phenyl-pyrazole

Conditions
ConditionsYield
With hydrazine hydrate In ethanol at 90℃;95%
N-methylmaleimide
930-88-1

N-methylmaleimide

FLAVONE
525-82-6

FLAVONE

1-methyl-3-(4-oxo-2-phenyl-4H-chromen-5-yl)pyrrolidine-2,5-dione

1-methyl-3-(4-oxo-2-phenyl-4H-chromen-5-yl)pyrrolidine-2,5-dione

Conditions
ConditionsYield
With silver hexafluoroantimonate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; Trimethylacetic acid In 1,2-dichloro-ethane at 80℃; for 20h; Sealed tube;94%
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