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:586-78-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:586-78-7
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryWelcome 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
Cas:586-78-7
Min.Order:0 Metric Ton
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Type:Manufacturers
inquiryhigh quality Appearance:Colorless liquid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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
Cas:586-78-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquirychengdu and import and export trade 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 res
Cas:586-78-7
Min.Order:5 Metric Ton
FOB Price: $1100.0 / 1500.0
Type:Trading Company
inquiryProduct Description Name 1-Bromo-4-nitrobenzene CAS 586-78-7 Assay 99% Appearance
Cas:586-78-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1-Bromo-4-nitrobenzene Basic information Product Name: 1-Bromo-4-nitrobenzene Synonyms: p-Nitrobromobenzene;P-BROMONITROBENZENE;4-BROMONITROBENZENE;4-bromo-1-nitrobenzene;4-NITROBROMOBEN
Cas:586-78-7
Min.Order:1 Metric Ton
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Type:Lab/Research institutions
inquiryIdentification Product name: 1-bromo-4-nitrobenzene Product name: 1-bromo-4-nitrobenzene Molec
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
Cas:586-78-7
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:586-78-7
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
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
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
Cas:586-78-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:586-78-7
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryWe're in good position to supply OLED intermediates . In the past 25 years, we have won technical support from several well-known universities and institutes. We have developed many chemicals together. It makes us capable of developing Cust
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
high 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 purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
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:586-78-7
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package:10kg/drum;200kg/drum as per your request Application:It is an important raw mater
Cas:586-78-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city?in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api,?intermediat
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
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
Name 1-Bromo-4-nitrobenzene Synonyms 4-Bromo-1-nitrobenzene Molecular Structure Molecular Formula
TIANFUCHEM--High purity 1-Bromo-4-nitrobenzene factory price Application:TIANFUCHEM--High purity 1-Bromo-4-nitrobenzene factory price
Cas:586-78-7
Min.Order:0
Negotiable
Type:Other
inquiryHangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home an
Cas:586-78-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryTIANFUCHEM--High purity 1-Bromo-4-nitrobenzene factory priceAppearance:powder Storage:room tempurature Package:As required Application:medical Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airpor
Cas:586-78-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
Conditions | Yield |
---|---|
With dibenzo-18-crown-6; potassium bromide; copper(ll) bromide; 1,10-Phenanthroline; copper(I) bromide In acetonitrile at 20℃; for 0.333333h; Sandmeyer bromination; | 99% |
With N-Bromosuccinimide; tetrabutylammonium perchlorate In methanol; N,N-dimethyl-formamide at 20℃; for 1h; Sandmeyer Reaction; Electrochemical reaction; | 84% |
With 1,3-bis-n-butylimidazolium bromide at 80℃; for 0.5h; | 71% |
Conditions | Yield |
---|---|
With nitric acid In 1,2-dichloro-ethane at 70℃; for 16h; Inert atmosphere; | 98% |
With copper(II) nitrate trihydrate; trifluoroacetic acid In ethyl acetate at 100℃; for 3h; | 96% |
With 1,1,1,3',3',3'-hexafluoro-propanol; 2-nitrobenzo[d]isothiazol-3(2H)-one 1,1-dioxide at 60℃; for 19h; Reagent/catalyst; Inert atmosphere; Schlenk technique; | 96% |
Conditions | Yield |
---|---|
With silver carbonate In dimethyl sulfoxide at 120℃; for 16h; | 97% |
With silver carbonate In dimethyl sulfoxide at 120℃; |
Conditions | Yield |
---|---|
With boron tribromide; dimethyl sulfoxide at 80℃; for 1h; | 97% |
bis(4-bromophenyl)iodonium triflate
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With sodium nitrite In ethyl acetate at 70℃; for 16h; Temperature; Solvent; Sealed tube; regioselective reaction; | 96% |
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In toluene for 3h; Reflux; | 95% |
With tert.-butylhydroperoxide In acetonitrile at 60℃; for 4h; Reagent/catalyst; Temperature; Solvent; Schlenk technique; | 91% |
With tert.-butylhydroperoxide; 3 A molecular sieve; zirconium(IV) tert-butoxide In dichloromethane for 1.5h; Ambient temperature; | 89% |
Conditions | Yield |
---|---|
With sodium hydroxide; tetraethylammonium bromide In acetonitrile at 20℃; for 10h; Product distribution; Further Variations:; Reagents; Reaction partners; | A 80% B 15% |
Conditions | Yield |
---|---|
With potassium bromide In water at 20℃; for 1h; | 80% |
tert-butyl 2-(4-nitrophenyl)diazenecarboxylate
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With Bromotrichloromethane; trifluoroacetic acid In benzene at 20℃; | 79% |
With Bromotrichloromethane; trifluoroacetic acid In acetonitrile at 80℃; for 0.5h; | 57% |
Conditions | Yield |
---|---|
With nitric acid at 50℃; for 3h; | A 20.9% B 78.2% |
With Iron(III) nitrate nonahydrate; phosphorus pentoxide In neat (no solvent) at 20℃; for 6h; Milling; Green chemistry; Overall yield = 93 percent; | A 25% B 68% |
With thionyl chloride; bismuth subnitrate In dichloromethane at 20℃; for 9h; | A 18% B 60% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; ammonium iodide; water In dimethyl sulfoxide at 90℃; for 4h; Sealed tube; | 73% |
Conditions | Yield |
---|---|
With nickel dibromide In N,N-dimethyl-formamide at 170℃; for 0.0833333h; microwave irradiation; | 72% |
Conditions | Yield |
---|---|
Stage #1: para-dinitrobenzene With perchloric acid; sulfuric acid; sodium nitrite In water; ethyl acetate Electrochemical reaction; Stage #2: With hydrogen bromide; copper In water Electrochemical reaction; | 67% |
acrylonitrile
4-nitrophenylhydrazone
A
2-bromo-3-(4-nitro-phenyl)-propionitrile
B
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With copper(ll) bromide In water; acetic acid for 1h; | A 30% B 60% |
With copper(II) sulfate; sodium bromide In water; acetic acid for 1h; | A 48% B 35% |
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene; bromine In various solvent(s) for 22h; bromodecarboxylation; Heating; irradiation; | 59% |
With Bromotrichloromethane; 2,2’-disulfanediyldipyridine-1-oxide 2.) o-dichlorobenzene, 130 deg C; Yield given. Multistep reaction; |
4-nitro-aniline
allyl bromide
A
1-allyl-4-nitro-benzene
B
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With tert.-butylnitrite In acetonitrile at 50℃; for 1.33h; | A 55% B n/a |
C7H6N8O2
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; trifluoroacetic acid In acetonitrile at 70 - 80℃; | 52% |
acrylic acid methyl ester
4-nitrophenylhydrazone
A
2-Bromo-3-(4-nitro-phenyl)-propionic acid methyl ester
B
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With copper(II) sulfate; sodium bromide In water; acetic acid for 1h; | A 47% B 42% |
4-Bromophenylboronic acid
A
2,4-dinitrobromobenzene
B
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With ammonium nitrate; trifluoroacetic anhydride In acetonitrile at -35℃; for 5h; Nitration; Ipso-nitration; | A 42% B 37% |
Conditions | Yield |
---|---|
With copper(I) chloride; potassium borohydride In methanol for 0.166667h; Ambient temperature; | 100% |
With sodium tetrahydroborate In methanol at 60℃; for 3h; Sealed tube; | 100% |
With water; oxalic acid; titanium(IV) oxide for 3h; Wavelength; Irradiation; Inert atmosphere; Sealed tube; Green chemistry; chemoselective reaction; | 100% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 50℃; under 6375510 Torr; for 20h; | 100% |
In tetrahydrofuran at 50℃; under 9000720 Torr; for 20h; | 100% |
With C30H25BrN3PPdS; potassium carbonate In iso-butanol at 100℃; for 24h; Buchwald-Hartwig Coupling; Inert atmosphere; | 99.4% |
1,4-diaza-bicyclo[2.2.2]octane
para-nitrophenyl bromide
1-(4-Nitro-phenyl)-4-aza-1-azonia-bicyclo[2.2.2]octane; bromide
Conditions | Yield |
---|---|
In tetrahydrofuran at 50℃; under 4500360 Torr; for 75h; | 100% |
In tetrahydrofuran at 50℃; under 4500360 Torr; for 20h; Yield given; |
Conditions | Yield |
---|---|
With potassium carbonate In ethanol; water at 65℃; for 8h; Sonogashira Cross-Coupling; Inert atmosphere; | 100% |
With 1,4-diaza-bicyclo[2.2.2]octane; PdCl2[4,4'-bis(n-C10F21CH2OCH2)-2,2'-bipyridine] In N,N-dimethyl-formamide at 140℃; for 0.5h; Catalytic behavior; Sonogashira Cross-Coupling; Microwave irradiation; | 100% |
With copper(l) iodide; triethylamine; triphenylphosphine In water at 60℃; for 24h; Catalytic behavior; Solvent; Reagent/catalyst; Temperature; Time; Sonogashira Cross-Coupling; Schlenk technique; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With caesium carbonate; copper(I) bromide; 1,1'-azobis(1-cyanocyclohexanenitrile) In N,N-dimethyl-formamide at 100℃; for 1.5h; Reagent/catalyst; Temperature; Solvent; Microwave irradiation; Green chemistry; | 100% |
With potassium fluoride; copper(II) ion; silica gel In dimethyl sulfoxide at 130℃; for 16h; Ullmann diaryl etherification; | 98% |
With caesium carbonate; potassium iodide In N,N-dimethyl-formamide at 120℃; for 22h; Ullmann condensation; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With sodium carbonate; palladium on activated charcoal In ethanol at 20℃; for 2h; Suzuki-Miyaura cross-coupling; | 100% |
With PdCl*(2-({[(2-methylselanyl)ethyl]imino}methyl)benzenol); potassium carbonate In N,N-dimethyl-formamide at 100℃; for 24h; Suzuki-Miyaura cross-coupling; | 100% |
With 1,4-diaza-bicyclo[2.2.2]octane; caesium carbonate; palladium diacetate In N,N-dimethyl-formamide at 40℃; for 16h; Suzuki-Miyaura cross-coupling; | 100% |
Conditions | Yield |
---|---|
With caesium carbonate; copper(I) bromide; 1,1'-azobis(1-cyanocyclohexanenitrile) In N,N-dimethyl-formamide at 100℃; for 0.5h; Microwave irradiation; Green chemistry; | 100% |
With copper(l) iodide; 2-carbomethoxy-3-hydroxyquinoxaline-di-N-oxide; caesium carbonate In N,N-dimethyl-formamide at 100℃; for 12h; Schlenk technique; Inert atmosphere; | 93% |
With potassium carbonate In dimethyl sulfoxide at 80℃; for 12h; Catalytic behavior; Ullmann Condensation; Sealed tube; Schlenk technique; | 91% |
2-methyl-but-3-yn-2-ol
para-nitrophenyl bromide
2-methyl-4-(4-nitrophenyl)but-3-yn-2-ol
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran for 12h; Sonogashira Cross-Coupling; Inert atmosphere; Reflux; | 100% |
With copper(l) iodide; triethylamine; triphenylphosphine at 90℃; for 3h; Sonogashira coupling; Inert atmosphere; | 97% |
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran for 12h; Heating; | 96% |
Conditions | Yield |
---|---|
With tetramethylquanidine; sodium acetate; palladium dichloride In N,N-dimethyl acetamide at 140℃; for 20h; Heck reaction; | 100% |
With 2-n-butyl-1,1,1,3,3-tetramethylguanidine acetate; palladium dichloride at 140℃; for 0.25h; | 99% |
With 0.42C23H20N4O4*2Cl(1-)*Zn(2+)*10.16H2O*0.58Pd(2+)*0.58C23H20N4O4(1-); potassium carbonate In N,N-dimethyl acetamide at 100℃; for 1h; Heck Reaction; | 99% |
acrylic acid n-butyl ester
para-nitrophenyl bromide
(E)-n-butyl 4-nitrocinnamate
Conditions | Yield |
---|---|
With tetramethylquanidine; sodium acetate; palladium dichloride In N,N-dimethyl acetamide at 140℃; for 20h; Heck reaction; | 100% |
With 2-n-butyl-1,1,1,3,3-tetramethylguanidine acetate; palladium dichloride at 140℃; for 0.25h; | 100% |
With tri-n-propylamine In 1-methyl-pyrrolidin-2-one at 125℃; for 1h; Mizoroki-Heck reaction; Inert atmosphere; | 100% |
para-nitrophenyl bromide
ethyl acrylate
ethyl (E)-3-(4-nitrophenyl)-2-propenoate
Conditions | Yield |
---|---|
With triethylamine; {[Pd(η5-C5H5)Fe(η5-C5H3)C(CH3)=N(C6H4CH3-4)](μ-I)}2 In 1,4-dioxane at 100℃; for 10h; | 100% |
With potassium phosphate; tetrabutylammomium bromide; [PdCl{[η5-C5H5)]Fe[(η5-C5H3)C(CH3)=NC12H25]}]2 In N,N-dimethyl-formamide at 140℃; for 12h; Heck coupling; | 99% |
With C37H38BrClFeN3Pd; potassium acetate In N,N-dimethyl acetamide at 150℃; for 12h; Heck reaction; Inert atmosphere; regioselective reaction; | 99% |
para-nitrophenyl bromide
4-acetylphenylboronic acid
4-acetyl-4'-nitrobiphenyl
Conditions | Yield |
---|---|
With sodium carbonate; palladium on activated charcoal In ethanol at 20℃; for 19h; Suzuki-Miyaura cross-coupling; | 100% |
With palladium 10% on activated carbon; caesium carbonate at 100℃; for 24h; Suzuki-Miyaura coupling; Neat (no solvent); | 100% |
With sodium phosphate dodecahydrate In water; isopropyl alcohol at 20℃; for 23h; Reagent/catalyst; Suzuki-Miyaura Coupling; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With dibenzo-18-crown-6; potassium bromide; copper(ll) bromide; 1,10-Phenanthroline; copper(I) bromide In acetonitrile at 20℃; for 0.333333h; Sandmeyer bromination; | 99% |
With N-Bromosuccinimide; tetrabutylammonium perchlorate In methanol; N,N-dimethyl-formamide at 20℃; for 1h; Sandmeyer Reaction; Electrochemical reaction; | 84% |
With 1,3-bis-n-butylimidazolium bromide at 80℃; for 0.5h; | 71% |
Conditions | Yield |
---|---|
With nitric acid In 1,2-dichloro-ethane at 70℃; for 16h; Inert atmosphere; | 98% |
With copper(II) nitrate trihydrate; trifluoroacetic acid In ethyl acetate at 100℃; for 3h; | 96% |
With 1,1,1,3',3',3'-hexafluoro-propanol; 2-nitrobenzo[d]isothiazol-3(2H)-one 1,1-dioxide at 60℃; for 19h; Reagent/catalyst; Inert atmosphere; Schlenk technique; | 96% |
Conditions | Yield |
---|---|
With silver carbonate In dimethyl sulfoxide at 120℃; for 16h; | 97% |
With silver carbonate In dimethyl sulfoxide at 120℃; |
Conditions | Yield |
---|---|
With boron tribromide; dimethyl sulfoxide at 80℃; for 1h; | 97% |
bis(4-bromophenyl)iodonium triflate
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With sodium nitrite In ethyl acetate at 70℃; for 16h; Temperature; Solvent; Sealed tube; regioselective reaction; | 96% |
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In toluene for 3h; Reflux; | 95% |
With tert.-butylhydroperoxide In acetonitrile at 60℃; for 4h; Reagent/catalyst; Temperature; Solvent; Schlenk technique; | 91% |
With tert.-butylhydroperoxide; 3 A molecular sieve; zirconium(IV) tert-butoxide In dichloromethane for 1.5h; Ambient temperature; | 89% |
Conditions | Yield |
---|---|
With sodium nitrate In neat (no solvent) at 20℃; for 0.0666667h; Green chemistry; | 92% |
With bismuth(III) nitrate; sulfuric acid; silica gel at 25℃; for 0.0666667h; | 90% |
With tetrammine copper(II) sulphate; nitric acid In dichloromethane; water at 20℃; for 2h; regioselective reaction; | 85% |
Conditions | Yield |
---|---|
With tert.-butylnitrite; tetrabutylammomium bromide; copper(I) bromide; 10-camphorsulfonic acid In acetonitrile at 20℃; for 24h; Reagent/catalyst; Time; Solvent; | 91% |
With tert.-butylnitrite; tetrabutylammomium bromide; toluene-4-sulfonic acid; copper(ll) bromide | 87% |
With tert.-butylnitrite; tetrabutylammomium bromide; toluene-4-sulfonic acid; copper(ll) bromide In acetonitrile at 20℃; for 1h; | 86% |
para-nitrophenyl triflate
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With [Cp*Ru(CH3CN)3]OTf; lithium bromide at 100℃; for 12h; Inert atmosphere; | 91% |
With tetrabutylammomium bromide In toluene for 48h; Heating; | 60% |
4-nitrophenylboronic acid
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With sodium nitrite In acetonitrile at 80℃; for 16h; Sealed tube; | 89% |
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With sodium nitrite In 1,2-dichloro-ethane at 20 - 80℃; Schlenk technique; | 88% |
Conditions | Yield |
---|---|
With nitronium tetrafluoborate; silver carbonate In N,N-dimethyl acetamide at 90℃; for 12h; Inert atmosphere; Schlenk technique; regioselective reaction; | 84% |
With 1,3-disulfonic acid imidazolium nitrate In neat (no solvent) at 50℃; for 0.333333h; Inert atmosphere; | 77% |
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; copper In acetonitrile at 20℃; for 0.75h; Substitution; | 83% |
With tetrabutylammomium bromide In acetonitrile at 20℃; for 0.75h; Substitution; | 77% |
Multi-step reaction with 2 steps 1: 86 percent / aq. NaOH / 0.5 h / 0 - 5 °C 2: 83 percent / aq. HBr / acetonitrile / 0.25 h / 60 °C View Scheme |
Conditions | Yield |
---|---|
With hydrogen bromide In acetonitrile at 60℃; for 0.25h; | 83% |
Conditions | Yield |
---|---|
With sodium hydroxide; tetraethylammonium bromide In acetonitrile at 20℃; for 10h; Product distribution; Further Variations:; Reagents; Reaction partners; | A 80% B 15% |
Conditions | Yield |
---|---|
With potassium bromide In water at 20℃; for 1h; | 80% |
tert-butyl 2-(4-nitrophenyl)diazenecarboxylate
para-nitrophenyl bromide
Conditions | Yield |
---|---|
With Bromotrichloromethane; trifluoroacetic acid In benzene at 20℃; | 79% |
With Bromotrichloromethane; trifluoroacetic acid In acetonitrile at 80℃; for 0.5h; | 57% |
Conditions | Yield |
---|---|
With nitric acid at 50℃; for 3h; | A 20.9% B 78.2% |
With Iron(III) nitrate nonahydrate; phosphorus pentoxide In neat (no solvent) at 20℃; for 6h; Milling; Green chemistry; Overall yield = 93 percent; | A 25% B 68% |
With thionyl chloride; bismuth subnitrate In dichloromethane at 20℃; for 9h; | A 18% B 60% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; ammonium iodide; water In dimethyl sulfoxide at 90℃; for 4h; Sealed tube; | 73% |
Conditions | Yield |
---|---|
With copper(I) chloride; potassium borohydride In methanol for 0.166667h; Ambient temperature; | 100% |
With sodium tetrahydroborate In methanol at 60℃; for 3h; Sealed tube; | 100% |
With water; oxalic acid; titanium(IV) oxide for 3h; Wavelength; Irradiation; Inert atmosphere; Sealed tube; Green chemistry; chemoselective reaction; | 100% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 50℃; under 6375510 Torr; for 20h; | 100% |
In tetrahydrofuran at 50℃; under 9000720 Torr; for 20h; | 100% |
With C30H25BrN3PPdS; potassium carbonate In iso-butanol at 100℃; for 24h; Buchwald-Hartwig Coupling; Inert atmosphere; | 99.4% |
1,4-diaza-bicyclo[2.2.2]octane
para-nitrophenyl bromide
1-(4-Nitro-phenyl)-4-aza-1-azonia-bicyclo[2.2.2]octane; bromide
Conditions | Yield |
---|---|
In tetrahydrofuran at 50℃; under 4500360 Torr; for 75h; | 100% |
In tetrahydrofuran at 50℃; under 4500360 Torr; for 20h; Yield given; |
Conditions | Yield |
---|---|
With potassium carbonate In ethanol; water at 65℃; for 8h; Sonogashira Cross-Coupling; Inert atmosphere; | 100% |
With 1,4-diaza-bicyclo[2.2.2]octane; PdCl2[4,4'-bis(n-C10F21CH2OCH2)-2,2'-bipyridine] In N,N-dimethyl-formamide at 140℃; for 0.5h; Catalytic behavior; Sonogashira Cross-Coupling; Microwave irradiation; | 100% |
With copper(l) iodide; triethylamine; triphenylphosphine In water at 60℃; for 24h; Catalytic behavior; Solvent; Reagent/catalyst; Temperature; Time; Sonogashira Cross-Coupling; Schlenk technique; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With caesium carbonate; copper(I) bromide; 1,1'-azobis(1-cyanocyclohexanenitrile) In N,N-dimethyl-formamide at 100℃; for 1.5h; Reagent/catalyst; Temperature; Solvent; Microwave irradiation; Green chemistry; | 100% |
With potassium fluoride; copper(II) ion; silica gel In dimethyl sulfoxide at 130℃; for 16h; Ullmann diaryl etherification; | 98% |
With caesium carbonate; potassium iodide In N,N-dimethyl-formamide at 120℃; for 22h; Ullmann condensation; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With sodium carbonate; palladium on activated charcoal In ethanol at 20℃; for 2h; Suzuki-Miyaura cross-coupling; | 100% |
With PdCl*(2-({[(2-methylselanyl)ethyl]imino}methyl)benzenol); potassium carbonate In N,N-dimethyl-formamide at 100℃; for 24h; Suzuki-Miyaura cross-coupling; | 100% |
With 1,4-diaza-bicyclo[2.2.2]octane; caesium carbonate; palladium diacetate In N,N-dimethyl-formamide at 40℃; for 16h; Suzuki-Miyaura cross-coupling; | 100% |
Conditions | Yield |
---|---|
With caesium carbonate; copper(I) bromide; 1,1'-azobis(1-cyanocyclohexanenitrile) In N,N-dimethyl-formamide at 100℃; for 0.5h; Microwave irradiation; Green chemistry; | 100% |
With copper(l) iodide; 2-carbomethoxy-3-hydroxyquinoxaline-di-N-oxide; caesium carbonate In N,N-dimethyl-formamide at 100℃; for 12h; Schlenk technique; Inert atmosphere; | 93% |
With potassium carbonate In dimethyl sulfoxide at 80℃; for 12h; Catalytic behavior; Ullmann Condensation; Sealed tube; Schlenk technique; | 91% |
2-methyl-but-3-yn-2-ol
para-nitrophenyl bromide
2-methyl-4-(4-nitrophenyl)but-3-yn-2-ol
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran for 12h; Sonogashira Cross-Coupling; Inert atmosphere; Reflux; | 100% |
With copper(l) iodide; triethylamine; triphenylphosphine at 90℃; for 3h; Sonogashira coupling; Inert atmosphere; | 97% |
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran for 12h; Heating; | 96% |
Conditions | Yield |
---|---|
With tetramethylquanidine; sodium acetate; palladium dichloride In N,N-dimethyl acetamide at 140℃; for 20h; Heck reaction; | 100% |
With 2-n-butyl-1,1,1,3,3-tetramethylguanidine acetate; palladium dichloride at 140℃; for 0.25h; | 99% |
With 0.42C23H20N4O4*2Cl(1-)*Zn(2+)*10.16H2O*0.58Pd(2+)*0.58C23H20N4O4(1-); potassium carbonate In N,N-dimethyl acetamide at 100℃; for 1h; Heck Reaction; | 99% |
acrylic acid n-butyl ester
para-nitrophenyl bromide
(E)-n-butyl 4-nitrocinnamate
Conditions | Yield |
---|---|
With tetramethylquanidine; sodium acetate; palladium dichloride In N,N-dimethyl acetamide at 140℃; for 20h; Heck reaction; | 100% |
With 2-n-butyl-1,1,1,3,3-tetramethylguanidine acetate; palladium dichloride at 140℃; for 0.25h; | 100% |
With tri-n-propylamine In 1-methyl-pyrrolidin-2-one at 125℃; for 1h; Mizoroki-Heck reaction; Inert atmosphere; | 100% |
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