As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:521-74-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1. 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
Cas:521-74-4
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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:521-74-4
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:521-74-4
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiry1.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
Cas:521-74-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou 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:521-74-4
Min.Order:0 Metric Ton
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:521-74-4
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:521-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:521-74-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:521-74-4
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Superior quality, moderate price & quick delivery. Appearance:almost white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:Used as Pharmaceutical Intermediates,ect. Trans
Cas:521-74-4
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiry5,7-Dibromo-8-hydroxyquinolineAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:521-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAcmec 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
Cas:521-74-4
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
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
Cas:521-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry5,7-Dibromoquinolin-8-ol cas 521-74-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:521-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry521-74-4 Application:intermediate
Cas:521-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds. Package:
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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:521-74-4
Min.Order:0
Negotiable
Type:Trading Company
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
Cas:521-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Conditions | Yield |
---|---|
With bromine; sodium hydrogencarbonate In methanol at 20℃; for 0.0833333h; | 99% |
With bromine In methanol at 20℃; for 0.0833333h; | 97% |
Stage #1: 8-quinolinol With bromine; sodium hydrogencarbonate In methanol at 20℃; for 0.0833333h; Stage #2: With sodium sulfite In methanol; water at 20℃; | 97% |
Conditions | Yield |
---|---|
With dihydrogen peroxide; potassium bromide at 25℃; bromination by the enzyme chloroperoxidase from Caldariomyces fumago in buffered solution of pH 2.7; | 79% |
Conditions | Yield |
---|---|
With tribromo-isocyanuric acid In acetonitrile at 20℃; regioselective reaction; | A 72% B 11% |
With bromine; acetic acid |
Conditions | Yield |
---|---|
With bromine In chloroform at 20℃; for 48h; Darkness; | A 37% B 51% |
8-quinolinol
A
5-bromo-8-hydroxyquinoline
B
broxyquinoline
C
7-bromo-8-hydroxyquinoline
Conditions | Yield |
---|---|
With hydrogen bromide; isopentyl nitrite In dichloromethane at 20℃; for 16h; | A 15% B 70 % Spectr. C 15% |
5,7-dibromo-8-aminoquinoline
broxyquinoline
Conditions | Yield |
---|---|
Diazotization.durch Kochen der Diazoniumsalz-Loesung mit Wasser; |
hydrogenchloride
8-hydroxy-quinoline-5-carboxylic acid
bromine
broxyquinoline
hydrogenchloride
2-(8-hydroxy-quinoline-7-carbonyl)-benzoic acid
bromine
broxyquinoline
8-hydroxyquinoline-5-carbaldehyde
bromine
acetic acid
broxyquinoline
broxyquinoline
Conditions | Yield |
---|---|
With bromine; acetic acid | |
With chloroform; bromine |
broxyquinoline
Conditions | Yield |
---|---|
With bromine; acetic acid | |
With chloroform; bromine |
broxyquinoline
Conditions | Yield |
---|---|
With hydrogenchloride; bromine |
broxyquinoline
Conditions | Yield |
---|---|
With bromine; acetic acid |
broxyquinoline
Conditions | Yield |
---|---|
With bromine | |
With phosphorus pentabromide |
broxyquinoline
Conditions | Yield |
---|---|
beim Aufbewahren an der Luft, beim Kochen mit Wasser oder beim Erhitzen im Rohr auf 180grad; |
8-ethoxyquinoline
bromine
acetic acid
A
8-ethoxy-5-bromo-quinoline
B
broxyquinoline
Conditions | Yield |
---|---|
substance of Schmitt, Engelmann; |
tetrachloromethane
8-quinolinol
carbonyl dibromide
A
broxyquinoline
Conditions | Yield |
---|---|
Reaktion des Hydrobromids; das entstehende rote Additionsprodukt uebergeht beim Aufbewahren unter Bromwasserstoff-Abspaltung; |
water
bromine
5-chloromethyl-8-hydroxyquinoline hydrochloride
broxyquinoline
tetrakis(5,7-dibromo-8-quinolinolato)thorium(IV) * 5,7-dibromo-8-quinolinol
A
broxyquinoline
B
tetrakis(5,7-dibromo-8-quinolinolato)thorium(IV)
Conditions | Yield |
---|---|
dissocn., 125-145°C; | |
dissocn., 125-145°C; |
Conditions | Yield |
---|---|
With bromine |
1,4-dibromo-butane
broxyquinoline
1,3-dibromo-7,8,9,10-tetrahydro-11-oxa-6a-azoniacycloocta[de]naphthalene bromide
Conditions | Yield |
---|---|
With Amberlite IRA 402(OH) resin In water at 80℃; for 4h; Inert atmosphere; | 98% |
With Amberlite IRA 402(OH) In water at 30 - 80℃; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With dmap In toluene at 130℃; for 1h; Microwave irradiation; Sealed tube; | 98% |
broxyquinoline
ethylene dibromide
7,9-dibromo-2,3-dihydro-1-oxa-3a-azonia-phenalene bromide
Conditions | Yield |
---|---|
With Amberlite IRA 402(OH) resin In water at 80℃; for 3h; Inert atmosphere; | 97% |
With Amberlite IRA 402(OH) In water at 30 - 80℃; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 1h; Inert atmosphere; | 96% |
2,3-bis(bromomethyl)quinoxaline
broxyquinoline
4-methoxyphenylboronic acid
4,6-bis(4-methoxyphenyl)-8,15-dihydro-1H-quinolino[8′,1′:2,3,4]-[1,4]oxazocino[6,7-b]quinoxalin-1-one
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In ethanol; water at 20℃; for 24h; Irradiation; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
Stage #1: broxyquinoline With potassium carbonate In acetone for 0.5h; Reflux; Stage #2: dimethyl sulfate In acetone for 24h; Reflux; | 95.6% |
Conditions | Yield |
---|---|
With cetyltrimethylammonim bromide; sodium hydroxide In water at 20℃; for 1h; | 95% |
broxyquinoline
and ethyl 2-(bromomethyl)benzo[h]quinoline-3-carboxylate
ethyl 2-((5,7-dibromoquinolin-8-yloxy)methyl)benzo[h]quinoline-3-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 4h; Williamson Ether Synthesis; Reflux; | 95% |
broxyquinoline
[ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2
Conditions | Yield |
---|---|
In methanol at 20℃; for 0.5h; | 95% |
2,3-bis(bromomethyl)quinoxaline
broxyquinoline
4-methylphenylboronic acid
4,6-di-(p-tolyl)-8,15-dihydro-1H-quinolino[8′,1′:2,3,4][1,4]- oxazocino[6,7-b‑z]quinoxalin-1-one
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In ethanol; water at 20℃; for 24h; Irradiation; Inert atmosphere; | 95% |
1,4-dibromo-butane
broxyquinoline
1,3-dibromo-7,8,9,10-tetrahydro-11-oxa-6a-azoniacycloocta[de]naphthalen-6-one
Conditions | Yield |
---|---|
With cetyltrimethylammonim bromide; sodium hydroxide In water at 20℃; for 1h; | 94% |
With tert.-butylhydroperoxide; eosin y In ethanol; water at 20℃; for 24h; Inert atmosphere; Irradiation; |
broxyquinoline
[ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2
Conditions | Yield |
---|---|
In methanol; dichloromethane at 65℃; for 6h; Reflux; | 92.3% |
With sodium methylate In methanol; chloroform at 20℃; for 1h; Inert atmosphere; Schlenk technique; | 76% |
broxyquinoline
ethyl 2-bromomethyl-3-quinoline-3-carboxylate
Conditions | Yield |
---|---|
Stage #1: broxyquinoline; ethyl 2-bromomethyl-3-quinoline-3-carboxylate With potassium carbonate In acetonitrile for 3h; Williamson Ether Synthesis; Reflux; Stage #2: With potassium hydroxide In ethanol; water for 2h; Williamson Ether Synthesis; Reflux; | 92% |
2,3-bis(bromomethyl)quinoxaline
broxyquinoline
phenylboronic acid
4,6-diphenyl-8,15-dihydro-1H-quinolino[8′,1′:2,3,4][1,4]oxazocino[6,7-b]quinoxalin-1-one
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In ethanol; water at 20℃; for 24h; Reagent/catalyst; Solvent; Irradiation; Inert atmosphere; | 92% |
2,3-bis(bromomethyl)quinoxaline
broxyquinoline
pyridin-2-ylboronic acid
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In ethanol; water at 20℃; for 24h; Irradiation; Inert atmosphere; | 92% |
broxyquinoline
ethyl 2-bromomethyl-3-quinoline-3-carboxylate
ethyl 2-((5,7-dibromoquinolin-8-yloxy)methyl)quinoline-3-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 4h; Williamson Ether Synthesis; Reflux; | 91% |
Conditions | Yield |
---|---|
With sodium hydroxide; tetrabutylammomium bromide In tetrahydrofuran for 35h; | 90% |
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; for 5h; | 89% |
With sodium hydroxide; tetra-(n-butyl)ammonium iodide In tetrahydrofuran; water at 40℃; | 78% |
Conditions | Yield |
---|---|
With pyridine hydrochloride at 220℃; for 0.166667h; | 90% |
With hydrogenchloride at 160 - 170℃; |
broxyquinoline
1-chloro-2,4-dinitro-benzene
5,7-dibromo-8-(2,4-dinitro-phenoxy)-quinoline
Conditions | Yield |
---|---|
With sodium hydroxide; tetrabutylammomium bromide In dichloromethane; water at 70℃; for 4h; | 90% |
broxyquinoline
manganese(II) acetate
5,7-dibromo-8-hydroxyquinolinato manganese(II)
Conditions | Yield |
---|---|
In tetrahydrofuran; water 1 M aq. Mn(OAc)2 (5 ml) added dropwise to soln. of 5,7-dibromo-8-hydroxyquinoline (10 mmol); refluxed (2 h); ppt. filtered; washed with EtOH; dried in air; | 90% |
2,3-bis(bromomethyl)quinoxaline
broxyquinoline
5,7-dibromoquinolonoquinoxalino-oxazocine
Conditions | Yield |
---|---|
With cetyltrimethylammonim bromide; sodium hydroxide In water at 20℃; for 1h; | 90% |
With tetrabutylammomium bromide; sodium hydroxide In dichloromethane; water at 20℃; for 10h; | 88% |
broxyquinoline
2,3-Bis(bromomethyl)-6,7-dimethylquinoxaline
C21H15Br2N3O2
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydroxide In dichloromethane; water at 20℃; for 12h; | 90% |
With cetyltrimethylammonim bromide; sodium hydroxide In water at 20℃; for 1h; | 90% |
broxyquinoline
1,3-dibromo-propane
1,3-dibromo-8,9-dihydro-7H-10-oxa-6a-azacyclohepta[de]naphthalen-6-one
Conditions | Yield |
---|---|
With cetyltrimethylammonim bromide; sodium hydroxide In water at 20℃; for 1h; | 90% |
With tert.-butylhydroperoxide; eosin y In ethanol; water at 20℃; for 24h; Inert atmosphere; Irradiation; |
Conditions | Yield |
---|---|
With cetyltrimethylammonim bromide; sodium hydroxide In water at 20℃; for 1h; | 90% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 13h; Inert atmosphere; | 90% |
fur-2-ylboronic acid
2,3-bis(bromomethyl)quinoxaline
broxyquinoline
4,6-di(furan-2-yl)-8,15-dihydro-1H-quinolino[8′,1′:2,3,4][1,4]oxazocino[6,7-b]-quinoxalin-1-one
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In ethanol; water at 20℃; for 24h; Irradiation; Inert atmosphere; | 90% |
2,3-bis(bromomethyl)quinoxaline
broxyquinoline
naphthalene-2-boronic acid
4,6-di(naphthalen-2-yl)-8,15-dihydro-1H-quinolino[8′,1′:2,3,4][1,4]oxazocino-[6,7-b]-quinoxalin-1-one
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In ethanol; water at 20℃; for 24h; Irradiation; Inert atmosphere; | 90% |
2,3-bis(bromomethyl)quinoxaline
broxyquinoline
1-Naphthylboronic acid
4,6-di(naphthalen-1-yl)-8,15-dihydro-1H-quinolino[8′,1′:2,3,4][1,4]oxazocino[6,7-b]-quinoxalin-1-one
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In ethanol; water at 20℃; for 24h; Irradiation; Inert atmosphere; | 90% |
broxyquinoline
Conditions | Yield |
---|---|
With hydrogen; dihydrogen hexachloroplatinate In water; isopropyl alcohol at 90 - 95℃; under 15001.2 Torr; | 89% |
With ammonia borane; tris(pentafluorophenyl)borate In toluene at 80℃; for 8h; Schlenk technique; Inert atmosphere; | 70% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View