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:5570-19-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c
Cas:5570-19-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:5570-19-4
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
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:5570-19-4
Min.Order:1 Gram
FOB Price: $0.1
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:5570-19-4
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryhebei yanxi chemical 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 research and developm
Cas:5570-19-4
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Trading Company
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:5570-19-4
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/1545.html Product Name 2-Nitrophenylboronic acid CAS No. 5570-19-4
Cas:5570-19-4
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiry2-Nitrophenylboronic acid Basic information Product Name: 2-Nitrophenylboronic acid Synonyms: RARECHEM AH PB 0142;O-NITROPHENYLBORONIC ACID;2-NITROPHENYLBORONIC ACID;2-NITROBENZENEBORONI
With 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 manufactu
Cas:5570-19-4
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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:5570-19-4
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName: Boronic acid,B-(2-nitrophenyl)- CAS No.: 5570-19-4 Formula: C6H6BNO4 Molecular Weight:
1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed containers
Cas:5570-19-4
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:5570-19-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry2-Nitrophenylboronic acid CAS:5570-19-4 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 organic
Cas:5570-19-4
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:5570-19-4
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
Cas:5570-19-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By Se
Cas:5570-19-4
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:5570-19-4
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryCompany 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
Cas:5570-19-4
Min.Order:1 Gram
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
Cas:5570-19-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHigh Quality 5570-19-4 Manufacturer 2-nitrophenylboronic acid free sample Molecular Formula C6H6BNO4 Molar Mass 166.93 Density 1.40±0.1 g/cm3(Predicted) Melting Point 155-160°C Bo
Cas:5570-19-4
Min.Order:1 Gram
Negotiable
Type:Other
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:5570-19-4
Min.Order:1 Gram
FOB Price: $1.0
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:5570-19-4
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:5570-19-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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:5570-19-4
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:5570-19-4
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiry2-Nitrophenylboronic acid Chemical Properties Melting point 155-160°C Boiling point 374.8±44.0 °C(Predicted) density 1.40±0.1 g/cm3(Predicted) form Crystalline Powder pka 7.83±0.53(Predicted) color
Cas:5570-19-4
Min.Order:1 Gram
FOB Price: $66.0
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:5570-19-4
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
With nitric acid; N,N-dimethyl-formamide; sodium nitrite at 45℃; Reagent/catalyst; Solvent; Temperature; | 99% |
With nitric acid; acetic anhydride at -15 - 10℃; for 3h; | 42% |
With nitric acid In water; acetic anhydride at -15 - 20℃; for 0.5h; | 15% |
With nitric acid; acetic anhydride; urea |
Conditions | Yield |
---|---|
Stage #1: o-nitroiodobenzene With phenylmagnesium chloride In tetrahydrofuran at -78℃; Stage #2: Trimethyl borate In tetrahydrofuran at -78 - 20℃; Stage #3: With hydrogenchloride In tetrahydrofuran | 89% |
Stage #1: o-nitroiodobenzene With phenylmagnesium chloride In tetrahydrofuran at -78℃; for 0.5h; Stage #2: Trimethyl borate In tetrahydrofuran at 20℃; Stage #3: With hydrogenchloride In tetrahydrofuran; water at 0℃; | 87% |
Conditions | Yield |
---|---|
Stage #1: o-nitroiodobenzene With phenylmagnesium chloride In tetrahydrofuran at -60℃; for 0.0833333h; Stage #2: With Trimethyl borate In tetrahydrofuran at -60℃; for 0.5h; Stage #3: With hydrogenchloride In tetrahydrofuran at -20℃; | 85% |
Multi-step reaction with 2 steps 1.1: phenylmagnesium chloride / tetrahydrofuran / 0.08 h / -78 °C / Inert atmosphere 1.2: 0.5 h / -78 °C / Inert atmosphere 2.1: hydrogenchloride / water / -20 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Stage #1: 2-nitrophenyl bromide With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; Stage #3: With hydrogenchloride In tetrahydrofuran; water for 0.5h; Inert atmosphere; | 73% |
Stage #1: 2-nitrophenyl bromide With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: Trimethyl borate In tetrahydrofuran; hexane for 2h; | 47% |
phenylboronic acid
A
2-nitrophenylboronic acid
B
4-nitrophenylboronic acid
Conditions | Yield |
---|---|
With nitric acid; urea | A 63% B n/a |
With nitric acid; urea In acetic anhydride at -15℃; for 3h; | |
With nitric acid In acetic anhydride at -15℃; |
Conditions | Yield |
---|---|
Stage #1: 2-nitro-aniline With hydrogenchloride In water at 20℃; for 0.0166667h; Stage #2: With sodium nitrite In water at 0℃; for 0.25h; Stage #3: tetrahydroxydiboron With sodium acetate In water at 20℃; for 0.333333h; | 28% |
acetic anhydride
phenylboronic acid
A
2-nitrophenylboronic acid
B
4-nitrophenylboronic acid
Conditions | Yield |
---|---|
With nitric acid; urea |
phenylboronic acid
A
m-nitrobenzene boronic acid
B
2-nitrophenylboronic acid
Conditions | Yield |
---|---|
With nitric acid; urea | |
With sulfuric acid; nitric acid |
2-nitrophenylboronic acid
Conditions | Yield |
---|---|
With hydrogenchloride In water at -20℃; Inert atmosphere; |
Conditions | Yield |
---|---|
With tris(pentafluorophenyl)borate; boron trichloride In 1,2-dichloro-ethane at -10 - 50℃; for 6h; Solvent; Temperature; Time; Inert atmosphere; Sealed tube; |
Conditions | Yield |
---|---|
With 4-methyl-morpholine; nickel diacetate In aq. buffer at 37℃; for 0.25h; pH=7.5; | 99% |
2-nitrophenylboronic acid
3-iodo-1-tosyl-1H-indole-2-carbaldehyde
2-formyl-3-(o-nitrophenyl)-1-tosylpyrrole
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; barium dihydroxide In water; N,N-dimethyl-formamide at 80℃; for 0.0833333h; | 98% |
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; barium dihydroxide In water; N,N-dimethyl-formamide at 80℃; for 5h; | 98% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; water at 80℃; for 1h; Suzuki-Miyaura reaction; | 98% |
2-nitrophenylboronic acid
1-benzyl-5-(trifluoromethanesulfonoyloxy)-3,6-dihydro-2H-pyridine-4-carboxylic acid ethyl ester
C21H22N2O4
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; water at 80℃; for 1h; Suzuki-Miyaura reaction; | 98% |
Conditions | Yield |
---|---|
With potassium fluoride In dimethyl sulfoxide at 130℃; for 2h; Ullmann-Goldberg Substitution; Inert atmosphere; | 98% |
2-nitrophenylboronic acid
Conditions | Yield |
---|---|
With copper diacetate In methanol at 28℃; for 3h; Inert atmosphere; | 97% |
8-bromo-7,10-dimethoxy-5-(methoxymethyl)phenanthridin-6(5H)-one
2-nitrophenylboronic acid
Conditions | Yield |
---|---|
With potassium carbonate; triphenylphosphine; palladium diacetate In N,N-dimethyl-formamide at 150℃; for 16h; Suzuki coupling; | 96% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran for 12h; Reflux; Inert atmosphere; | 96% |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In toluene for 17h; Reflux; Inert atmosphere; | 74.58% |
With potassium carbonate; Pd(PPh3)4 In tetrahydrofuran; ethyl acetate | 0.22 g (33%) |
Conditions | Yield |
---|---|
With 1-butyl-3-methylpyridinium bis[(trifluoromethyl)sulfonyl]amide In water for 0.5h; Ullmann Condensation; Microwave irradiation; Green chemistry; | 95% |
With Cu(0)-rGO composite In N,N-dimethyl-formamide for 0.25h; Microwave irradiation; | 94% |
With water; copper diacetate |
4,7-dibromobenzo[c][1,2,5]thiadiazole
2-nitrophenylboronic acid
4,7-bis(2-nitrophenyl)benzo[c][1,2,5]thiadiazole
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water at 50℃; Suzuki coupling; Inert atmosphere; | 95% |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water at 50℃; for 20h; Inert atmosphere; | 39% |
Conditions | Yield |
---|---|
With ammonium bicarbonate In water at 20℃; for 2h; Schlenk technique; | 95% |
2-nitrophenylboronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; water at 100℃; for 4h; Suzuki Coupling; | 95% |
2-nitrophenylboronic acid
6-bromopyridine-2-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,4-dioxane at 80℃; for 16h; Inert atmosphere; | 95% |
2-nitrophenylboronic acid
4-chloro-aniline
N-(4-chlorophenyl)-2-nitroaniline
Conditions | Yield |
---|---|
With potassium fluoride In dimethyl sulfoxide at 130℃; for 2h; Ullmann-Goldberg Substitution; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene for 8h; Reflux; | 95% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene for 8h; Reflux; | 95% |
methyl 5-bromo-2-furoate
2-nitrophenylboronic acid
5-(2-nitrophenyl)furan-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In methanol; toluene for 6h; Suzuki reaction; Heating; | 94% |
With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In 1,4-dioxane at 90℃; Inert atmosphere; | 13% |
2-chloro-6-nitro-benzoic acid methyl ester
2-nitrophenylboronic acid
7-amino-5H-phenanthridin-6-one
Conditions | Yield |
---|---|
Stage #1: 2-chloro-6-nitro-benzoic acid methyl ester; 2-nitrophenylboronic acid With caesium carbonate; bis(tri-t-butylphosphine)palladium(0) In 1,4-dioxane at 80℃; for 48h; Stage #2: With hydrogen; palladium on activated charcoal In methanol at 20℃; for 48h; | 94% |
Conditions | Yield |
---|---|
With iron(III) oxide; oxygen In tetrahydrofuran Irradiation; | 94% |
With iron(III) oxide; oxygen In tetrahydrofuran at 20℃; Irradiation; | 94% |
With C18H28Cl2CuN2O4 In water at 26℃; for 0.333333h; | 93% |
Conditions | Yield |
---|---|
With potassium carbonate In water at 70℃; for 0.5h; Suzuki Coupling; | 94% |
With potassium carbonate In water at 60℃; for 3h; Catalytic behavior; Suzuki-Miyaura Coupling; | 87% |
2-nitrophenylboronic acid
2-iodo-6-(trideuteriomethyl)-4,4,6-trimethylcyclohex-2-en-1-one
6-(trideuteriomethyl)-4,4,6-trimethyl-2-(o-nitrophenyl)cyclohex-2-en-1-one
Conditions | Yield |
---|---|
With barium dihydroxide; tris(dibenzylideneacetone)dipalladium (0); johnphos In tetrahydrofuran at 35℃; for 5h; Suzuki coupling; | 93% |
2-nitrophenylboronic acid
Conditions | Yield |
---|---|
With barium dihydroxide; tris-(dibenzylideneacetone)dipalladium(0); johnphos In tetrahydrofuran; water at 35℃; for 5h; | 93% |
2-nitrophenylboronic acid
2,5-dibromo-1-phenyl-1H-pyrrole
C22H15N3O4
Conditions | Yield |
---|---|
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In ethanol; toluene at 120℃; for 12h; | 93% |
2-nitrophenylboronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; water at 100℃; for 4h; Suzuki Coupling; | 93% |
Conditions | Yield |
---|---|
In toluene for 16h; Inert atmosphere; Dean-Stark; Reflux; | 93% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water for 2h; Reflux; | 93% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water at 80℃; for 10h; | 93% |
2-nitrophenylboronic acid
ethyl 3-amino-1-bromoisoquinoline-4-carboxylate
ethyl 3-amino-1-(2-nitrophenyl)isoquinoline-4-carboxylate
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In water; toluene at 95℃; for 12h; Suzuki Coupling; Inert atmosphere; | 92% |
2-nitrophenylboronic acid
3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl trifluoromethanesulfonate
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; water at 100℃; for 4h; Suzuki Coupling; | 92% |
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