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:2369-37-1
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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
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Type:Trading Company
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inquiry1,2-DIBROMO-4-FLUOROBENZENE CAS:2369-37-1 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 organi
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Min.Order:1 Gram
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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
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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
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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:2369-37-1
Min.Order:0 Metric Ton
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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
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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:2369-37-1
Min.Order:10 Gram
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Type:Lab/Research institutions
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Cas:2369-37-1
Min.Order:1 Metric Ton
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Type:Lab/Research institutions
inquiryProduct Name: 1,2-DIBROMO-4-FLUOROBENZENE Synonyms: 3,4-DIBROMOFLUOROBENZENE;1,2-Dibromo-4-fluorobenzene,98%;1,2-Dibromo-4-fluorobenzene 99%;1,2-Dibromo-4-fluorobenzene99%;1,2-DIBROMO-4-FLUOROBENZENE;1,2-DibroMo-4-fluorobenzene[3,4-DibroMofluo
Cas:2369-37-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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Cas:2369-37-1
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:2369-37-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2369-37-1
Min.Order:0
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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:2369-37-1
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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
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
1,2-dibromo-4-fluorobenzeneAppearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals Transportation:Sea
Cas:2369-37-1
Min.Order:0
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Type:Lab/Research institutions
inquiry1,2-DIBROMO-4-FLUOROBENZENEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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Cas:2369-37-1
Min.Order:0
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Type:Lab/Research institutions
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Cas:2369-37-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Pharm intermediate
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Cas:2369-37-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica
Cas:2369-37-1
Min.Order:0
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Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Conditions | Yield |
---|---|
With bromine; iron |
Conditions | Yield |
---|---|
With hydrogenchloride; tetrafluoroboric acid; sodium nitrite Erhitzen des Reaktionsprodukts auf 160grad; |
Conditions | Yield |
---|---|
With bromine; iron |
Conditions | Yield |
---|---|
With tert.-butylnitrite; copper(ll) bromide In acetonitrile |
bromine
1-Bromo-4-fluorobenzene
A
1,2,-dibromo-4-fluorobenzene
B
2,4-dibromo-1-fluorobenzene
fluorobenzene
A
1,2,-dibromo-4-fluorobenzene
B
2,4-dibromo-1-fluorobenzene
C
1-Bromo-4-fluorobenzene
Conditions | Yield |
---|---|
With magnesium; lithium chloride at 20℃; for 4h; | 88% |
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; tris-(dibenzylideneacetone)dipalladium(0); polymethylhydroxysilane In N,N-dimethyl acetamide at 100℃; for 2h; | 87% |
Conditions | Yield |
---|---|
Stage #1: O-methylresorcine; 1,2,-dibromo-4-fluorobenzene With potassium carbonate; copper(II) oxide In N,N-dimethyl-formamide for 3h; Reflux; Stage #2: With palladium diacetate; potassium carbonate; tricyclohexylphosphine tetrafluoroborate In N,N-dimethyl-formamide at 130℃; for 12h; Inert atmosphere; | 83% |
chloro-trimethyl-silane
1,2,-dibromo-4-fluorobenzene
1-fluoro-3,4-bis(trimethylsilyl)benzene
Conditions | Yield |
---|---|
With magnesium; lithium chloride at 20℃; for 4h; | 81% |
With magnesium; ethylene dibromide In tetrahydrofuran at 20℃; for 0.75h; Inert atmosphere; | 56% |
1,2,-dibromo-4-fluorobenzene
4-methylphenylboronic acid
1,2-di(4'-methylphenyl)-4-fluorobenzene
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,4-dioxane at 90℃; for 8h; Suzuki-Miyaura Coupling; Inert atmosphere; | 81% |
1,2,-dibromo-4-fluorobenzene
phenylboronic acid
1,2-diphenyl-4-fluorobenzene
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,4-dioxane at 90℃; for 8h; Suzuki-Miyaura Coupling; Inert atmosphere; | 79% |
Conditions | Yield |
---|---|
With calcium hydride; caesium carbonate In N,N-dimethyl-formamide at 130℃; for 18h; | 75% |
1,2,-dibromo-4-fluorobenzene
4-methoxyphenylboronic acid
1,2-di(4'-methoxyphenyl)-4-fluorobenzene
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,4-dioxane at 90℃; for 8h; Suzuki-Miyaura Coupling; Inert atmosphere; | 70% |
1,2,-dibromo-4-fluorobenzene
2-Methoxyphenylboronic acid
1,2-di(2'-methoxyphenyl)-4-fluorobenzene
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,4-dioxane at 90℃; for 8h; Suzuki-Miyaura Coupling; Inert atmosphere; | 70% |
1,2,-dibromo-4-fluorobenzene
1,2-dibromo-4-fluoro-3-iodobenzene
Conditions | Yield |
---|---|
Stage #1: 1,2,-dibromo-4-fluorobenzene With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.5h; Stage #2: With iodine In tetrahydrofuran for 0.5h; | 70% |
1,2,-dibromo-4-fluorobenzene
1-pentanamine
molybdenum hexacarbonyl
N-pentyl-4-fluorophthalimide
Conditions | Yield |
---|---|
With palladium diacetate; 1,8-diazabicyclo[5.4.0]undec-7-ene; catacxium A In toluene at 100℃; for 16h; Sealed tube; Inert atmosphere; | 60% |
1,2,-dibromo-4-fluorobenzene
(2,3-dimethoxyphenyl)boronic acid
1,2-di(2',3'-dimethoxyphenyl)-4-fluorobenzene
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,4-dioxane at 90℃; for 8h; Suzuki-Miyaura Coupling; Inert atmosphere; | 59% |
1,2,-dibromo-4-fluorobenzene
4-Vinylphenylboronic acid
1,2-di(4'-vinylphenyl)-4-fluorobenzene
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,4-dioxane at 90℃; for 8h; Suzuki-Miyaura Coupling; Inert atmosphere; | 48% |
Conditions | Yield |
---|---|
With palladium diacetate; tri-tert-butyl phosphine; sodium t-butanolate In toluene at 110℃; for 14h; | 32% |
Conditions | Yield |
---|---|
With palladium diacetate; tri-tert-butyl phosphine; sodium t-butanolate In toluene at 110℃; for 14h; | 30% |
1,2,-dibromo-4-fluorobenzene
2,6-diisopropylbenzenamine
Conditions | Yield |
---|---|
With palladium diacetate; tri-tert-butyl phosphine; sodium t-butanolate In toluene at 110℃; for 14h; | 25% |
Trimethyl borate
1,2,-dibromo-4-fluorobenzene
2,4-dibromo-1-fluorobenzene
dihydroxy-(5-bromo-2-fluorophenyl)-borane
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran; tetrachloromethane; diethyl ether; water; acetic acid |
chloro-trimethyl-silane
1,2,-dibromo-4-fluorobenzene
A
1-bromo-4-fluoro-2-trimethylsilylbenzene
B
2-bromo-4-fluoro-1-trimethylsilylbenzene
C
1-fluoro-3,4-bis(trimethylsilyl)benzene
Conditions | Yield |
---|---|
With Rieke-magnesium (MgR) In tetrahydrofuran at 20 - 40℃; for 1.25h; Inert atmosphere; |
1,2,-dibromo-4-fluorobenzene
C18H23N3OSi
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C 1.2: 0.5 h 2.1: diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / tetrahydrofuran / 0.17 h / Sealed tube; Sonication 2.2: 40 h / 40 °C 3.1: tris-(dibenzylideneacetone)dipalladium(0); 1,1'-bis-(diphenylphosphino)ferrocene / N,N-dimethyl acetamide / 26.16 h / 100 °C / Sealed tube; Sonication 4.1: N-ethyl-N,N-diisopropylamine / 1-methyl-pyrrolidin-2-one / 0.33 h / 140 °C / Sealed tube; Microwave irradiation View Scheme |
1,2,-dibromo-4-fluorobenzene
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C 1.2: 0.5 h 2.1: diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / tetrahydrofuran / 0.17 h / Sealed tube; Sonication 2.2: 40 h / 40 °C 3.1: tris-(dibenzylideneacetone)dipalladium(0); 1,1'-bis-(diphenylphosphino)ferrocene / N,N-dimethyl acetamide / 26.16 h / 100 °C / Sealed tube; Sonication 4.1: N-ethyl-N,N-diisopropylamine / dimethyl sulfoxide / 18 h / 20 °C / Sealed tube; Inert atmosphere 4.2: 30 h / 60 °C View Scheme |
1,2,-dibromo-4-fluorobenzene
((2,3-dibromo-6-fluorophenyl)ethynyl)trimethylsilane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C 1.2: 0.5 h 2.1: diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / tetrahydrofuran / 0.17 h / Sealed tube; Sonication 2.2: 40 h / 40 °C View Scheme |
1,2,-dibromo-4-fluorobenzene
4-fluoro-3-((trimethylsilyl)ethynyl)phthalonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C 1.2: 0.5 h 2.1: diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / tetrahydrofuran / 0.17 h / Sealed tube; Sonication 2.2: 40 h / 40 °C 3.1: tris-(dibenzylideneacetone)dipalladium(0); 1,1'-bis-(diphenylphosphino)ferrocene / N,N-dimethyl acetamide / 26.16 h / 100 °C / Sealed tube; Sonication View Scheme |
1,2,-dibromo-4-fluorobenzene
(S)-1-(3-hydroxy-3-methylbutan-2-yl)-1H-indole-4,5-dicarbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C 1.2: 0.5 h 2.1: diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / tetrahydrofuran / 0.17 h / Sealed tube; Sonication 2.2: 40 h / 40 °C 3.1: tris-(dibenzylideneacetone)dipalladium(0); 1,1'-bis-(diphenylphosphino)ferrocene / N,N-dimethyl acetamide / 26.16 h / 100 °C / Sealed tube; Sonication 4.1: potassium carbonate / 1-methyl-pyrrolidin-2-one / 0.5 h / 60 °C / Sealed tube; Inert atmosphere 4.2: 0.25 h / 140 °C / Microwave irradiation View Scheme |
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