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
Cas:2050-48-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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Cas:2050-48-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryTIANFUCHEM--2050-48-8--4,4'-DIBROMO DIPHENYL SULFONE in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable busin
Cas:2050-48-8
Min.Order:1 Metric Ton
FOB Price: $2000.0
Type:Lab/Research institutions
inquiryWith 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
Cas:2050-48-8
Min.Order:1 Kilogram
FOB Price: $50.0 / 80.0
Type:Trading Company
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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:2050-48-8
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
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Min.Order:0
Negotiable
Type:Lab/Research institutions
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Cas:2050-48-8
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:2050-48-8
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:2050-48-8
Min.Order:1 Kilogram
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inquiryShandong Mopai Biotechnology 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 chemicals. W
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Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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Min.Order:1 Metric Ton
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Type:Trading Company
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
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Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:2050-48-8
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2050-48-8
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
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
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Cas:2050-48-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
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Cas:2050-48-8
Min.Order:1 Kilogram
Negotiable
Type:Other
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
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Min.Order:0
Negotiable
Type:Lab/Research institutions
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Supply top quality products with a reasonable price Application:api
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:2050-48-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:2050-48-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Prompt reaction, good quality and best service make us reliable and outstanding in this industry.Appearance:Detailed see specifications
Cas:2050-48-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate; trifluorormethanesulfonic acid; tetra(n-butyl)ammonium hydrogensulfate; trifluoroacetic anhydride In 1,2-dichloro-ethane at 85℃; for 8h; Sealed tube; | 98% |
With chlorosulfonic acid In chloroform at -15 - 50℃; for 2h; | 68.7% |
With chlorosulphuric acid |
Conditions | Yield |
---|---|
With N,N-dichloro-benzamide In tetrachloromethane Heating; | 95% |
With potassium chromite; sodium perchlorate; oxalic acid In acetic acid at 40℃; Rate constant; | |
With perchloric acid; chromium (VI) In acetic acid at 39.9℃; Kinetics; Mechanism; Thermodynamic data; ΔH(excit.) and ΔS(excit.), other temperatures; |
sodium 4-bromobenzenesulfinate
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With copper diacetate In acetonitrile at 60℃; for 3h; | 91% |
Conditions | Yield |
---|---|
With dihydrogen peroxide In acetic acid at 100℃; for 10h; | 90% |
With palladium; dihydrogen peroxide In methanol at 100℃; for 6h; Green chemistry; chemoselective reaction; | 86% |
With oxygen; epi-Cercosporin In methanol at 25℃; for 24h; Irradiation; | 86% |
bromobenzene
4-bromobenzenesulfonyl chloride
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With iron(III) chloride In dichloromethane at 40℃; for 6h; | 88% |
With aluminium trichloride | |
With aluminium trichloride Geschwindigkeit dieser Reaktion; |
4,4'-dibromodiphenyl sulfide
A
bis(4-bromophenyl)sulfoxide
B
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With air at 80℃; for 20h; chemoselective reaction; | A 87% B n/a |
With dihydrogen peroxide; acetic acid In water at 80℃; for 6h; Inert atmosphere; | A 34% B 61% |
bromobenzene
A
4,4'-dibromodiphenyl sulfone
B
4-Brom-1-benzolsulfonsaeure-trimethylsilylester
Conditions | Yield |
---|---|
With chlorosulfonate de trimethylsilyle at 80℃; for 10h; | A 72% B 9% |
bromobenzene
A
4,4'-dibromodiphenyl sulfone
B
1-bromo-2-(4-bromophenylsulfonyl)benzene
Conditions | Yield |
---|---|
With cadmium(II) sulfate crystallohydrate; phosphorus pentoxide at 20℃; for 5h; Milling; Sealed tube; Green chemistry; | A 59% B 16% |
bromobenzene
A
4-bromobenzenesulfonyl fluoride
B
4,4'-dibromodiphenyl sulfone
C
1-bromo-2-(4-bromophenylsulfonyl)benzene
D
bis(2-bromophenyl) sulfone
Conditions | Yield |
---|---|
With antimony pentafluoride; fluorosulphonic acid at 50℃; for 1h; Yield given. Yields of byproduct given; | A 3% B n/a C n/a D n/a |
bromobenzene
A
p-bromobenzene sulfonic acid
B
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With chlorosulfonic acid |
Conditions | Yield |
---|---|
With sulfuric acid; copper(I) bromide; sodium nitrite 1.) 0-4 deg C, 2.) 60 deg C, 1 h; Multistep reaction; |
chlorosulfonic acid
bromobenzene
A
p-bromobenzene sulfonic acid
B
4,4'-dibromodiphenyl sulfone
bromobenzene
sulfuric acid
A
p-bromobenzene sulfonic acid
B
4,4'-dibromodiphenyl sulfone
bromobenzene
sulfur trioxide
A
p-bromobenzene sulfonic acid
B
4,4'-dibromodiphenyl sulfone
chlorosulfonic acid
bromobenzene
A
p-bromobenzene sulfonic acid
B
4,4'-dibromodiphenyl sulfone
C
4-bromobenzenesulfonyl chloride
chlorosulfonic acid
bromobenzene
sulfuric acid
A
p-bromobenzene sulfonic acid
B
4,4'-dibromodiphenyl sulfone
C
4-bromobenzenesulfonyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CCl4; bromine 2: KMnO4; acetic acid View Scheme | |
Multi-step reaction with 2 steps 1: bromine; dihydrogen peroxide / dichloromethane; water / 6 h 2: potassium permanganate; manganese(II) sulphate monohydrate / dichloromethane / 10 h View Scheme | |
Multi-step reaction with 2 steps 1: bromine / 2 h / 20 °C 2: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 10 h / 40 °C View Scheme | |
Multi-step reaction with 2 steps 1: bromine / 6 h / 20 °C 2: dihydrogen peroxide; acetic acid / 10 h View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 1,10-phenanthroline hydrate; potassium carbonate / dimethyl sulfoxide / 0.17 h / Inert atmosphere 1.2: 24 h / Inert atmosphere; Reflux 2.1: dihydrogen peroxide; acetic acid / 24 h / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate; sodiumsulfide nonahydrate; copper(l) iodide / N,N-dimethyl-formamide / 18 h / 120 °C 2: dihydrogen peroxide; acetic acid / 10 h / 100 °C View Scheme | |
Multi-step reaction with 2 steps 1: copper(l) iodide; potassium carbonate; sodium sulfide nonahydrate / N,N-dimethyl-formamide / 18 h / 120 °C / Inert atmosphere 2: oxygen / 20 h / 100 °C / Schlenk technique View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 1,10-phenanthroline hydrate; potassium carbonate / dimethyl sulfoxide / 0.17 h / Inert atmosphere 1.2: 24 h / Inert atmosphere; Reflux 2.1: dihydrogen peroxide; acetic acid / 24 h / Reflux View Scheme |
Conditions | Yield |
---|---|
Stage #1: 3-bromofurane; Divinyl sulfone With pyridine at 80℃; for 24h; Stage #2: With potassium hydroxide In dimethyl sulfoxide at 100℃; for 2.5h; Schlenk technique; Inert atmosphere; | A 52 mg B 14 mg |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodiumsulfide nonahydrate / water / 0.25 h / 100 °C / Microwave irradiation; Green chemistry 2: palladium; dihydrogen peroxide / methanol / 6 h / 100 °C / Green chemistry View Scheme |
1,4-bromoiodobenzene
A
bis(4-bromophenyl)sulfoxide
B
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper(l) iodide; potassium carbonate; sodium sulfide nonahydrate / N,N-dimethyl-formamide / 18 h / 120 °C / Inert atmosphere 2: air / 20 h / 80 °C View Scheme |
Conditions | Yield |
---|---|
With copper(I) oxide; ammonium hydroxide In dimethyl sulfoxide at 90℃; for 20h; Sealed tube; | 98% |
4,4'-dibromodiphenyl sulfone
4,4'-sulfonylbis(1-bromo-2-nitrobenzene)
Conditions | Yield |
---|---|
With sulfuric acid; potassium nitrate at 80℃; for 3h; | 91% |
With sulfuric acid; nitric acid at 60℃; |
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine; sodium t-butanolate In toluene at 100℃; for 20h; Inert atmosphere; | 88% |
With potassium dihydrogenphosphate; copper(l) iodide; (1R,2R)-1,2-diaminocyclohexane In 1,4-dioxane at 110℃; Inert atmosphere; | 75% |
With potassium phosphate; copper(l) iodide; trans-1,2-cyclohexanediamine In 1,4-dioxane at 110℃; Inert atmosphere; | 75% |
Conditions | Yield |
---|---|
With tri-tert-butyl phosphine; palladium diacetate; sodium t-butanolate In toluene at 110℃; for 24h; Inert atmosphere; Reflux; | 84% |
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water; toluene at 80℃; for 24h; Inert atmosphere; | 82% |
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water; toluene at 80℃; Inert atmosphere; | 82% |
10-ethyl-3-vinyl-10H-phenothiazine
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; palladium diacetate; potassium carbonate In N,N-dimethyl-formamide for 6h; Heck Reaction; Reflux; Inert atmosphere; | 82% |
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; palladium diacetate; potassium carbonate In N,N-dimethyl-formamide Heck Reaction; Inert atmosphere; Heating; | 82% |
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water; toluene at 80℃; for 24h; Inert atmosphere; | 81% |
N-phenyl-9H-carbazol-3-boronic acid
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In ethanol; water; toluene for 24h; Suzuki Coupling; Inert atmosphere; | 80% |
Conditions | Yield |
---|---|
With tri-tert-butyl phosphine; palladium diacetate; sodium t-butanolate In toluene at 120℃; for 12h; Inert atmosphere; | 80% |
With tri-tert-butyl phosphine; palladium diacetate; sodium t-butanolate In toluene at 110℃; for 48h; Inert atmosphere; | 80% |
Conditions | Yield |
---|---|
Stage #1: 4,4'-dibromodiphenyl sulfone; 9,10-dihydro-9,9-diphenyl acridine With sodium t-butanolate; tri tert-butylphosphoniumtetrafluoroborate In toluene at 20℃; for 0.25h; Inert atmosphere; Stage #2: With tris-(dibenzylideneacetone)dipalladium(0) In toluene at 120℃; for 18h; | 79% |
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With potassium carbonate; palladium In tetrahydrofuran; water at 80℃; Inert atmosphere; | 78% |
4-(carbazol-9-yl)phenylboronic acid
4,4'-dibromodiphenyl sulfone
di(4-(4-(carbazol-9-yl)phenyl)phenyl)sulfone
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In ethanol; water; toluene for 24h; Suzuki Coupling; Inert atmosphere; | 76% |
Conditions | Yield |
---|---|
Stage #1: 9-butyl-3-ethynyl-9H-carbazole With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triphenylphosphine In tetrahydrofuran for 0.25h; Sonogashira Cross-Coupling; Inert atmosphere; Stage #2: 4,4'-dibromodiphenyl sulfone In tetrahydrofuran; triethylamine Sonogashira Cross-Coupling; Reflux; Inert atmosphere; | 75.8% |
Conditions | Yield |
---|---|
With potassium carbonate; palladium In tetrahydrofuran; water at 80℃; Inert atmosphere; | 75% |
4,4'-dibromodiphenyl sulfone
4-(diphenylamino)phenyl boronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water; toluene at 80℃; Inert atmosphere; | 75% |
With potassium carbonate; palladium In tetrahydrofuran; water at 80℃; Inert atmosphere; | 55% |
With potassium carbonate; palladium In tetrahydrofuran; water; toluene Inert atmosphere; Reflux; |
Conditions | Yield |
---|---|
With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; copper(l) iodide; 18-crown-6 ether; potassium carbonate at 180℃; for 48h; Inert atmosphere; | 70% |
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; palladium diacetate; potassium carbonate In N,N-dimethyl-formamide Heck Reaction; Inert atmosphere; Heating; | 69% |
Conditions | Yield |
---|---|
Stage #1: 3-ethynyl-9-phenyl-9H-carbazole With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triphenylphosphine In tetrahydrofuran for 0.25h; Sonogashira Cross-Coupling; Inert atmosphere; Stage #2: 4,4'-dibromodiphenyl sulfone In tetrahydrofuran; triethylamine Sonogashira Cross-Coupling; Reflux; Inert atmosphere; | 68.3% |
Conditions | Yield |
---|---|
With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; copper(l) iodide; 18-crown-6 ether; potassium carbonate at 180℃; for 48h; Inert atmosphere; | 65% |
10-ethyl-3-vinyl-10H-phenothiazine
4,4'-dibromodiphenyl sulfone
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; palladium diacetate; potassium carbonate In N,N-dimethyl-formamide for 6h; Heck Reaction; Reflux; Inert atmosphere; | 65% |
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine; sodium t-butanolate In toluene for 6h; Inert atmosphere; Reflux; | 61% |
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