zhenyu 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 product
Cas:771-69-7
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryAs 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:771-69-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:771-69-7
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryhigh quality Appearance:White or off-white Solid 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
Cas:771-69-7
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
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
1. 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:771-69-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryCangzhou 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 ap
Cas:771-69-7
Min.Order:1 Kilogram
FOB Price: $5.0
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:771-69-7
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiry
Cas:771-69-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Manufacturers
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:771-69-7
Min.Order:1 Kilogram
Negotiable
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
Cas:771-69-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:Liquid Storage:Store in sealed containers at cool & dry plac
Cas:771-69-7
Min.Order:100 Gram
Negotiable
Type:Other
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:771-69-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:771-69-7
Min.Order:1 Kilogram
FOB Price: $42.0 / 48.0
Type:Trading Company
inquiry1,2,3-Trifluoro-4-nitrobenzene CAS:771-69-7 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 org
Cas:771-69-7
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:771-69-7
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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
J&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:771-69-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:771-69-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiry2,3,4-TrifluoronitrobenzeneAppearance:transparent to light yellow liquid Storage:In Shade Package:according to customers' requirements Application:pharmaceutical intermediate Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB or
Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Cas:771-69-7
Min.Order:0
Negotiable
Type:Trading Company
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:771-69-7
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiry1,2,3-Trifluoro-4-nitrobenzene Basic information Product Name: 1,2,3-Trifluoro-4-nitrobenzene Synonyms: 3,4,5 TRIFLUORONITROBENZEN;2,3,4-Trifluornitrobenzene;4-chloro-2-fluroaniline;2,3,4-TRIFLUORONITROBRNZENE;1-nitro-2,3,4-trifluorobenzene;2,
Cas:771-69-7
Min.Order:1 Gram
Negotiable
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:771-69-7
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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
Cas:771-69-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:771-69-7
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryLocated 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
4-nitro-1,2,3-trichlorobenzene
2,3,4-trifluoronitrobenzene
Conditions | Yield |
---|---|
Stage #1: 4-nitro-1,2,3-trichlorobenzene With potassium fluoride; tetrabutylammomium bromide In dimethyl sulfoxide at 75 - 80℃; for 4h; Stage #2: With potassium fluoride; tetrabutyl ammonium fluoride In dimethyl sulfoxide at 75 - 180℃; for 12h; Time; | 99.7% |
Conditions | Yield |
---|---|
Stage #1: 1,3-dichloro-2-fluorobenzene With sulfuric acid; nitric acid at 20 - 25℃; for 2.5h; Stage #2: With sulfolane; potassium fluoride for 5h; | 85.5% |
Multi-step reaction with 2 steps 1: sulfuric acid; aqueous nitric acid / 40 °C 2: dimethylformamide; potassium fluoride / 150 °C View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid; nitric acid / 2 h / Heating 2: sulfolane; potassium fluoride / 8 h / 200 - 210 °C View Scheme |
Conditions | Yield |
---|---|
With potassium fluoride at 160 - 165℃; for 7h; Time; | 85% |
With potassium fluoride; immobilized pyridinium salt In sulfolane at 180℃; for 2h; | 68% |
With potassium fluoride; N,N-dimethyl-formamide at 150℃; | |
With sulfolane; potassium fluoride at 200 - 210℃; for 8h; Temperature; | 124 g |
3,4,5-trifluoro aniline
2,3,4-trifluoronitrobenzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrahydrofuran View Scheme |
1,3-dichloro-2-fluoro-4-nitrobenzene
tetrabutyl phosphonium bromide
2,3,4-trifluoronitrobenzene
Conditions | Yield |
---|---|
With potassium fluoride In 5,5-dimethyl-1,3-cyclohexadiene |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: nitric acid; sulfuric acid / 2 h / 95 - 100 °C 2.1: potassium fluoride / 3 h / 140 - 150 °C 3.1: chlorine / 180 - 190 °C 4.1: nitric acid; sulfuric acid / 2.5 h / 20 - 25 °C 4.2: 5 h View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: potassium fluoride / 3 h / 140 - 150 °C 2.1: chlorine / 180 - 190 °C 3.1: nitric acid; sulfuric acid / 2.5 h / 20 - 25 °C 3.2: 5 h View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: chlorine / 180 - 190 °C 2.1: nitric acid; sulfuric acid / 2.5 h / 20 - 25 °C 2.2: 5 h View Scheme |
3,4,5-trichloronitrobenzen
2,3,4-trifluoronitrobenzene
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: potassium fluoride; N-benzyl-N,N,N-triethylammonium chloride / 11 h / 140 - 175 °C 2.1: hydrogen / methanol / Inert atmosphere 3.1: nitrosylsulfuric acid / 6 h / 10 - 15 °C 3.2: 1 h 4.1: sulfuric acid; nitric acid / 2 h / Heating 5.1: sulfolane; potassium fluoride / 8 h / 200 - 210 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: hydrogen / methanol / Inert atmosphere 2.1: nitrosylsulfuric acid / 6 h / 10 - 15 °C 2.2: 1 h 3.1: sulfuric acid; nitric acid / 2 h / Heating 4.1: sulfolane; potassium fluoride / 8 h / 200 - 210 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: nitrosylsulfuric acid / 6 h / 10 - 15 °C 1.2: 1 h 2.1: sulfuric acid; nitric acid / 2 h / Heating 3.1: sulfolane; potassium fluoride / 8 h / 200 - 210 °C View Scheme |
Conditions | Yield |
---|---|
With sodium hexamethyldisilazane In tetrahydrofuran at -78℃; | 100% |
2,3,4-trifluoronitrobenzene
(R,S)-2,2-dimethyl-1,3-dioxolane-4-methanol
(R)-3,4-difluoro-2-(2,3-isopropylidenedioxypropoxy)nitrobenzene
Conditions | Yield |
---|---|
With potassium hydroxide In water; toluene | 100% |
Conditions | Yield |
---|---|
With sodium t-butanolate In tetrahydrofuran at 0 - 20℃; | 100% |
2,3,4-trifluoronitrobenzene
aniline
(2,3-Difluoro-6-nitro-phenyl)-phenylamine
Conditions | Yield |
---|---|
Stage #1: aniline With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 0.166667h; Inert atmosphere; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran at -78℃; for 0.5h; Stage #3: With water In tetrahydrofuran | 100% |
2,3,4-trifluoronitrobenzene
sodium methylate
2-fluoro-1,3-dimethoxy-4-nitrobenzene
Conditions | Yield |
---|---|
In methanol Ambient temperature; | 99% |
In methanol at 4 - 20℃; for 0.5h; | 99% |
In methanol at 0 - 20℃; | 98% |
In methanol at 0 - 20℃; | 80% |
2,3,4-trifluoronitrobenzene
methylamine
2,3-difluoro-N-methyl-6-nitroaniline
Conditions | Yield |
---|---|
In tetrahydrofuran at 40℃; for 18h; | 99% |
Conditions | Yield |
---|---|
With sodium hypophosphite monohydrate; 1% platinum on charcoal; hydrogen at 65 - 80℃; under 6750.68 Torr; for 2.75h; Reagent/catalyst; Temperature; Autoclave; | 98.52% |
With hydrogen; nickel Autoclave; | 91.8% |
With iron; ammonium chloride |
1,5-dioxaspiro[5.5]undecane-2,4-dione
2,3,4-trifluoronitrobenzene
N-ethyl-N,N-diisopropylamine
Conditions | Yield |
---|---|
In acetonitrile at 45℃; for 20h; | 98% |
2,3,4-trifluoronitrobenzene
1,2,3-Trifluoro-4,6-dinitrobenzene
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid; tris(trifluoromethanesulfonyloxy)boron; nitric acid at 65℃; for 6h; | 96% |
With sulfuric acid; potassium nitrate | 91% |
With sulfuric acid; nitric acid at 80℃; for 2h; | 84.2% |
2,3,4-trifluoronitrobenzene
1-(4-fluoro-phenyl)-2-(tetrahydro-pyrimidin-2-ylidene)-ethanone
Conditions | Yield |
---|---|
Stage #1: 2,3,4-trifluoronitrobenzene; 1-(4-fluoro-phenyl)-2-(tetrahydro-pyrimidin-2-ylidene)-ethanone With sodium carbonate In 1,4-dioxane at 80℃; for 4h; Stage #2: With caesium carbonate In 1,4-dioxane for 3h; Reflux; | 93% |
2,3,4-trifluoronitrobenzene
1-phenyl-2-(tetrahydropyrimidin-2(1H)-ylidene)ethan-1-one
Conditions | Yield |
---|---|
Stage #1: 2,3,4-trifluoronitrobenzene; 1-phenyl-2-(tetrahydropyrimidin-2(1H)-ylidene)ethan-1-one With potassium carbonate In 1,4-dioxane at 80℃; for 3h; Stage #2: With caesium carbonate In 1,4-dioxane for 3h; Reflux; | 93% |
2,3,4-trifluoronitrobenzene
2-amino-3,4-difluoronitro-benzene
Conditions | Yield |
---|---|
With ammonium hydroxide In ethanol at 20℃; for 8h; | 91.2% |
With ammonia In methanol at 70℃; for 1.5h; Microwave irradiation; | 73% |
With ammonia In methanol at 70℃; for 1.5h; Microwave irradiation; | 35.6% |
2,3,4-trifluoronitrobenzene
(2R)-1-(benzyloxy)propan-2-ol
Conditions | Yield |
---|---|
With potassium hydroxide; potassium carbonate In water; toluene | 91% |
2,3,4-trifluoronitrobenzene
ethyl acetoacetate
1-(2,3-difluoro-6-nitrophenyl)propan-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid In tetrahydrofuran; water | 90% |
Stage #1: ethyl acetoacetate With potassium tert-butylate In tetrahydrofuran at 11 - 25℃; for 1h; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran at 10 - 21℃; for 3.08333h; Stage #3: With sulfuric acid In acetic acid at 70℃; for 3h; Heating / reflux; | 82% |
With acetic acid In tetrahydrofuran; hydrogenchloride | 72% |
With acetic acid In tetrahydrofuran; hydrogenchloride | 72% |
With sodium hydride Yield given. Multistep reaction; |
2,3,4-trifluoronitrobenzene
3-chloro-5-[(2,3-difluoro-6-nitrophenyl)oxy]benzonitrile
Conditions | Yield |
---|---|
Stage #1: 3-chloro-5-hydroxybenzonitrile With sodium t-butanolate In tetrahydrofuran at 0℃; for 0.25h; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran at 0℃; for 3.5h; | 89% |
Stage #1: 3-bromo-5-chlorophenol With sodium t-butanolate In tetrahydrofuran at 0℃; for 1h; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran at 0℃; Stage #3: With hydrogenchloride In tetrahydrofuran; water for 1h; | 82% |
Stage #1: 3-chloro-5-hydroxybenzonitrile With sodium t-butanolate In tetrahydrofuran at 0℃; for 1h; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran at 0℃; | 82% |
Stage #1: 3-chloro-5-hydroxybenzonitrile With potassium tert-butylate In tetrahydrofuran at 0℃; for 0.333333h; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran at 20℃; for 2h; |
3-chloro-5-hydroxybenzonitrile
2,3,4-trifluoronitrobenzene
3-chloro-5-[(2,3-difluoro-6-nitrophenyl)oxy]benzonitrile
Conditions | Yield |
---|---|
Stage #1: 3-chloro-5-hydroxybenzonitrile With sodium t-butanolate In tetrahydrofuran at 0℃; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran at 0 - 20℃; | 89% |
With sodium t-butanolate In tetrahydrofuran at 0℃; for 1h; | 82% |
Stage #1: 3-chloro-5-hydroxybenzonitrile With sodium t-butanolate In tetrahydrofuran at 0℃; for 1h; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran at 0℃; Stage #3: With hydrogenchloride; water In tetrahydrofuran for 1h; | 82% |
methanol
2,3,4-trifluoronitrobenzene
2-fluoro-1,3-dimethoxy-4-nitrobenzene
Conditions | Yield |
---|---|
With sodium methylate for 48h; Reflux; | 89% |
2,3,4-trifluoronitrobenzene
ethyl acetoacetate
A
1,2-difluoro-3-(2,2-dimethoxypropyl)-4-nitrobenzene
B
1-(2,3-difluoro-6-nitrophenyl)propan-2-one
Conditions | Yield |
---|---|
With acetic acid In tetrahydrofuran; hydrogenchloride | A 88% B 72% |
2,3,4-trifluoronitrobenzene
3,4-difluoro-2-(3,5-bis-tert-butylcarbamoyl-phenoxy)nitrobenzene
Conditions | Yield |
---|---|
Stage #1: N,N'-di-tert-butyl-5-hydroxy-isophthalamide With potassium tert-butylate In tetrahydrofuran at 0℃; for 0.5h; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran at -35 - 30℃; for 21h; | 88% |
2,3,4-trifluoronitrobenzene
1-(4-methoxyphenyl)-2-(tetrahydropyrimidin-2(1H)-ylidene)ethan-1-one
Conditions | Yield |
---|---|
Stage #1: 2,3,4-trifluoronitrobenzene; 1-(4-methoxyphenyl)-2-(tetrahydropyrimidin-2(1H)-ylidene)ethan-1-one With triethylamine In 1,4-dioxane at 60℃; for 5h; Stage #2: With caesium carbonate In 1,4-dioxane for 3h; Reflux; | 87% |
2,3,4-trifluoronitrobenzene
2,3-difluoro-6-nitrophenol
Conditions | Yield |
---|---|
With potassium hydroxide; sulfuric acid In water | 86% |
With potassium hydroxide In water; dimethyl sulfoxide at 18 - 20℃; for 2h; | 29% |
With potassium hydroxide In water; dimethyl sulfoxide | |
With potassium hydroxide In dimethyl sulfoxide at 15 - 17℃; for 3h; | 38.8g |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 0℃; for 1h; | 86% |
Conditions | Yield |
---|---|
With sodium t-butanolate In tetrahydrofuran at 0℃; for 2h; | 84% |
Stage #1: 7-Indolol With sodium t-butanolate In tetrahydrofuran at 0℃; for 0.166667h; Stage #2: 2,3,4-trifluoronitrobenzene In tetrahydrofuran | 84% |
2,3,4-trifluoronitrobenzene
2-amino-3,4-difluoronitro-benzene
Conditions | Yield |
---|---|
In ethyl acetate | 84% |
2,3,4-trifluoronitrobenzene
(R)-(-)-2-(1-ethoxyethoxy)-1-propanol
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether; water | 82% |
With potassium hydroxide; potassium carbonate In water; toluene | 6.7% |
3-(difluoromethyl)-5-hydroxybenzonitrile
2,3,4-trifluoronitrobenzene
3-difluoromethyl-5-(2,3-difluoro-6-nitro-phenoxy)-benzonitrile
Conditions | Yield |
---|---|
Stage #1: 3-(difluoromethyl)-5-hydroxybenzonitrile; 2,3,4-trifluoronitrobenzene With potassium carbonate In tetrahydrofuran at 0℃; Stage #2: With acetic acid In tetrahydrofuran at 0 - 5℃; Product distribution / selectivity; | 80% |
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