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
Cas:5731-01-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur 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
Cas:5731-01-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWITH 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
Cas:5731-01-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.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
Cas:5731-01-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:5731-01-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan 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
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryThe 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
Cas:5731-01-1
Min.Order:0 Metric Ton
Negotiable
Type:Other
inquiryJ&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
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryChemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
Cas:5731-01-1
Min.Order:100 Gram
Negotiable
Type:Other
inquiryZibo 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
Cas:5731-01-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:5731-01-1
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry4'-(4-Bromophenyl)acetophenone cas 5731-01-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry5731-01-1 Application:intermediate
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:1g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
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:any port in China
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:5731-01-1
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryWhy Choice BAYNOE CHEM BAYNOE CHEM is built by Chemists, we have engaged in Electronic chemical and fine chemical for 10 years, we can supply all kinds of chemicals or technical support in this fields Capability of chemical supply ★ T
Cas:5731-01-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryFor quick quotation, please send us the inquiry include CAS#, Structure, Chemical Name, quantity, purity, as well as any additional specifications you require, we will try to get back to you within 24 hours. Our Services Besides manufacturing,
Cas:5731-01-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHuBei 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
Cas:5731-01-1
Min.Order:1 Gram
FOB Price: $1.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
With palladium 10% on activated carbon In methanol Suzuki-Miyaura cross-coupling; Reflux; Under air; | 91% |
1,4-bromoiodobenzene
4-acetylphenylboronic acid
4-bromo-4'-acetylbiphenyl
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 120℃; for 1h; Suzuki Coupling; | 85% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In dichloromethane at 15℃; for 10.5h; Cooling with ice; | 84.98% |
With aluminium trichloride In dichloromethane at 0℃; for 6h; | 69.6% |
With aluminium trichloride In dichloromethane for 24h; Ambient temperature; | 19% |
Conditions | Yield |
---|---|
according to ref. 9.; | 77% |
Conditions | Yield |
---|---|
With aluminium trichloride In carbon disulfide for 1h; Heating; | 77% |
With aluminium trichloride In carbon disulfide |
1,4-bromoiodobenzene
1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethanone
4-bromo-4'-acetylbiphenyl
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In N,N-dimethyl-formamide at 80℃; for 18h; | 75% |
Conditions | Yield |
---|---|
Stage #1: 4-(4-bromophenyl)bromobenzene With tri-n-butyllithium magnesate complex In tetrahydrofuran; hexane at 0℃; for 1.5h; Stage #2: acetic anhydride In tetrahydrofuran; hexane at -20℃; for 1h; | 63% |
4-Bromophenylboronic acid
para-bromoacetophenone
4-bromo-4'-acetylbiphenyl
Conditions | Yield |
---|---|
With potassium carbonate In methanol at 25℃; for 5h; Wavelength; Suzuki-Miyaura Coupling; Inert atmosphere; Irradiation; | 52% |
4-Bromophenylboronic acid
4-Hydroxyacetophenone
4-bromo-4'-acetylbiphenyl
Conditions | Yield |
---|---|
With potassium phosphate; 1,3-bis[(diphenylphosphino)propane]dichloronickel(II); 4-methyl-N-phenyl-N-tosylbenzenesulfonamide In 1,4-dioxane at 110℃; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique; | 10% |
hydrogen cyanide
2-(4'-Bromo-biphenyl-4-yl)-2-hydroxy-propionitrile
4-bromo-4'-acetylbiphenyl
Conditions | Yield |
---|---|
In 1,4-dioxane; water at 30℃; Equilibrium constant; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: palladium(II) acetate; potassium acetate / dimethylformamide / 18 h / 80 °C 2: 75 percent / Cs2CO3; Pd(PPh3)4 / dimethylformamide / 18 h / 80 °C View Scheme |
1.4-dibromobenzene
4-methylphenylboronic acid
4-acetylphenylboronic acid
A
(4,4'-dimethyl-1,1'-biphenyl)
B
4-bromo-4'-methylbiphenyl
C
4-bromo-4'-acetylbiphenyl
D
4,4'-diacetylbiphenyl
E
4-acetyl-4'-methylbiphenyl
Conditions | Yield |
---|---|
Stage #1: 1.4-dibromobenzene; 4-acetylphenylboronic acid With (1-tert-butyl-4-{2-[(N,N-dimethylamino)methyl]phenyl}-3-phenyl-1H-1,2,4-triazol-4-ium-5-ide)palladium(II) dichloride for 1h; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique; Stage #2: 4-methylphenylboronic acid for 1h; Inert atmosphere; Schlenk technique; |
4-bromo-4'-acetylbiphenyl
2-bromo-1-(4'-bromo<1,1'-biphenyl>-4-yl)ethanone
Conditions | Yield |
---|---|
With pol(vinylphenyltrimethylammoniumtribromide) resin In methanol; water at 65℃; for 1h; | 96% |
With bromine In dichloromethane at 20℃; for 48h; | 88.6% |
With bromine In acetic acid | 87% |
asaraldehyde
4-bromo-4'-acetylbiphenyl
1-[(4-(4-bromophenyl)phenyl)]-3-(2,4,5-trimethoxyphenyl)prop-2-en-1-one
Conditions | Yield |
---|---|
In methanol at 75℃; Claisen-Schmidt condensation; Ionic liquid; Microwave irradiation; | 96% |
Conditions | Yield |
---|---|
With pol(vinylphenyltrimethylammoniumtribromide) resin at 45℃; for 24h; | 96% |
With N-Bromosuccinimide at 20℃; for 24h; | 92% |
Conditions | Yield |
---|---|
With copper In dimethyl sulfoxide Heating; | 93% |
4-bromo-4'-acetylbiphenyl
αα-dichloromethyl-4'-bromobiphenyl ketone
Conditions | Yield |
---|---|
With 1,3-dichloro-5,5-dimethylhydantoin In acetonitrile at 20℃; for 0.75h; Inert atmosphere; | 93% |
Stage #1: 4-bromo-4'-acetylbiphenyl With ammonium chloride In acetonitrile for 0.0833333h; Stage #2: With 1,3-dichloro-5,5-dimethylhydantoin In acetonitrile at 35℃; for 12h; | 93% |
4-bromo-4'-acetylbiphenyl
4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl
Conditions | Yield |
---|---|
With boron tri(hydrogen sulphate) In neat liquid at 100℃; for 6h; Green chemistry; | 91% |
With Amberlyst 15 In toluene for 20h; Reflux; | 45% |
With trifluorormethanesulfonic acid In toluene for 14h; Heating; | 38.9% |
4-bromo-4'-acetylbiphenyl
3,4,5-trimethoxy-benzaldehyde
malononitrile
6-(4'-bromobiphenyl-4-yl)-2-imino-4-(3,4,5-trimethoxyphenyl)-1,2-dihydropyridine-3-carbonitrile
Conditions | Yield |
---|---|
With ammonium acetate In ethanol Reflux; | 90% |
4-bromo-4'-acetylbiphenyl
3,4-dichlorobenzaldehyde
malononitrile
6-(4'-bromobiphenyl-4-yl)-4-(3,4-dichlorophenyl)-2-imino-1,2-dihydropyridine-3-carbonitrile
Conditions | Yield |
---|---|
With ammonium acetate In ethanol Reflux; | 90% |
1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane
4-bromo-4'-acetylbiphenyl
C18H11F9O
Conditions | Yield |
---|---|
With copper In dimethyl sulfoxide for 24h; Heating; | 89% |
4-bromo-4'-acetylbiphenyl
ethyl bromoacetate
ethyl 3-hydroxy-3-(4'-bromo[1,1'-biphenyl]-4-yl)-butanoate
Conditions | Yield |
---|---|
With zinc; iodine In benzene for 1.5h; Heating / reflux; | 88.9% |
With iodine; zinc In benzene for 1.5h; Heating / reflux; | 88.9% |
4-bromo-4'-acetylbiphenyl
benzamidine monohydrochloride
4-bromo-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: 4-bromo-4'-acetylbiphenyl; 4-bromo-benzaldehyde With sodium hydroxide In ethanol at 20℃; for 8h; Stage #2: benzamidine monohydrochloride With sodium hydroxide In ethanol for 8h; Reflux; | 86% |
4-bromo-4'-acetylbiphenyl
trimethylsilylacetylene
4'-[4-(trimethylsilylethynyl)phenyl]acetophenone
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 70℃; for 18h; Sonogashira coupling; | 85% |
4-bromo-4'-acetylbiphenyl
3,4,5-trimethoxy-benzaldehyde
ethyl 2-cyanoacetate
6-(4'-bromobiphenyl-4-yl)-2-oxo-4-(3,4,5-trimethoxyphenyl)-1,2-dihydropyridine-3-carbonitrile
Conditions | Yield |
---|---|
With ammonium acetate In ethanol Reflux; | 85% |
4-bromo-4'-acetylbiphenyl
ethyl 2-cyanoacetate
3,4-dichlorobenzaldehyde
6-(4'-bromobiphenyl-4-yl)-4-(3,4-dichlorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile
Conditions | Yield |
---|---|
With ammonium acetate In ethanol Reflux; | 85% |
4-bromo-4'-acetylbiphenyl
4-acetyl-4'-cyano-1,1'-biphenyl
Conditions | Yield |
---|---|
With dichloro[bis{1-(dicyclohexylphosphanyl)piperidine}]palladium; sodium carbonate In 1-methyl-pyrrolidin-2-one at 140℃; for 6h; Inert atmosphere; | 85% |
Conditions | Yield |
---|---|
With ammonium acetate In ethanol Reflux; | 85% |
Conditions | Yield |
---|---|
With copper In dimethyl sulfoxide Heating; | 84% |
4-bromo-4'-acetylbiphenyl
bis(pinacol)diborane
1-(4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-biphenyl]-4-yl)ethan-1-one
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate In N,N-dimethyl-formamide Reflux; | 84% |
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