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
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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
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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
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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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
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inquiry2-Chloro-4-nitropyridine 1-oxide CAS:14432-16-7 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
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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
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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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inquiryBest 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
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
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inquiryWhy Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
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
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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 providing h
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inquiryOTAVA-BB BB7017520053; AURORA 23245; (2-CHLOROPYRIDIN-4-YL) (HYDROXY) OXOAMMONIUM; 2-CHLORO-4-NITROPYRIDINE 1-OXIDE; 2-CHLORO-4-NITROPYRIDINE-N-OXIDE; AKOS BBS-00001358; 2-Chloro-4-nitro-1-oxidopyridin-1-ium; 2-Chloro-4-nitropyridine-N-oxide , 97%
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
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inquiryHigh 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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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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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
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
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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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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
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inquiry★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
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inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
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inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
2-Chloro-4-nitropyridine 1-oxide cas 14432-16-7Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiry2-chloropyridine-N-oxide
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
nitration; | 93% |
With sulfuric acid; nitric acid at 90℃; for 4h; | 78% |
With sulfuric acid; nitric acid for 2h; Nitration; | 72% |
2-chloro-4-nitropyridine
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
Stage #1: 2-chloro-4-nitropyridine With urea hydrogen peroxide adduct; trifluoroacetic acid In dichloromethane at 0 - 20℃; for 72h; Stage #2: With sodium dithionite In dichloromethane; water for 0.25h; Stage #3: With hydrogenchloride In dichloromethane; water | 90% |
With urea hydrogen peroxide adduct; trifluoroacetic anhydride In dichloromethane at 0 - 20℃; for 4.5h; | 84% |
2-chloropyridine N-oxide hydrochloride
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 90 - 100℃; for 2.5h; | 82.5% |
With sodium hydroxide; nitric acid In sulfuric acid | 37% |
With sulfuric acid; nitric acid In (2S)-N-methyl-1-phenylpropan-2-amine hydrate | |
With sulfuric acid; nitric acid In (2S)-N-methyl-1-phenylpropan-2-amine hydrate |
2-chloropyridine
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 91 percent / aq. H2O2 / trifluoroacetic acid / 4 h 2: 72 percent / aq. HNO3, H2SO4 / 2 h View Scheme | |
Multi-step reaction with 2 steps 1: 30percent aq. H2O2, AcOH / 48 h / 60 °C 2: HNO3, conc. H2SO4 / 2.5 h / 90 °C View Scheme | |
Multi-step reaction with 2 steps 1: H2O2 / acetic anhydride 2: HNO3, H2SO4 View Scheme |
2-aminopyridine N-oxide
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: concentrated sulfuric acid; peroxomonosulfuric acid 3: concentrated sulfuric acid; nitric acid View Scheme |
4-carboxy-2-nitropyridine N-oxide
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: concentrated sulfuric acid; nitric acid View Scheme |
2-chloropyridine-N-oxide
A
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid |
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
In ethanol at 80℃; for 13h; | 99% |
2-chloro-4-nitropyridine-N-oxide
4-Amino-2-chloropyridine
Conditions | Yield |
---|---|
With hydrogenchloride; iron In ethanol for 3h; Reduction; Heating; | 95% |
With hydrogen; Ra-Ni In methanol | 90% |
With hydrogenchloride; iron In ethanol; water Reflux; | 85% |
2-chloro-4-nitropyridine-N-oxide
2,4-dichloropyridine 1-oxide
Conditions | Yield |
---|---|
With acetyl chloride at 70 - 75℃; for 0.416667h; | 94% |
With acetyl chloride for 0.666667h; | 80% |
2-chloro-4-nitropyridine-N-oxide
sodium methylate
2-chloro-4-methoxypyridine N-oxide
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid In methanol at 20℃; for 48h; | 94% |
In methanol |
2-chloro-4-nitropyridine-N-oxide
dimethyl amine
2-(dimethylamino)-4-nitropyridine 1-oxide
Conditions | Yield |
---|---|
In tetrahydrofuran; ethanol at 90℃; for 5h; | 91% |
In water at 100℃; Inert atmosphere; Sealed tube; |
(S)-N-(2,6-diisopropyl-phenyl)pyrrolidine-2-carboxamide
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 70℃; for 10h; | 90% |
2-chloro-4-nitropyridine-N-oxide
2-chloro-4-nitropyridine
Conditions | Yield |
---|---|
With phosphorus trichloride In dichloromethaneu for 4h; Reflux; | 88% |
With phosphorus trichloride In chloroform at 20℃; Heating / reflux; | 78% |
With ethyl acetate; phosphorus trichloride |
2-chloro-4-nitropyridine-N-oxide
(2S)-N-benzhydrylpyrrolidine-2-carboxamide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 70℃; for 10h; | 88% |
2-chloro-4-nitropyridine-N-oxide
histamine
Conditions | Yield |
---|---|
With potassium hydrogencarbonate In isopropyl alcohol at 21℃; for 72h; | A 87% B n/a |
With potassium hydrogencarbonate In isopropyl alcohol at 21℃; for 72h; |
2-chloro-4-nitropyridine-N-oxide
ethyl spiro[indole-3,4'-piperidine]-1(2H)-dicarboxylate
ethyl 1'-(4-nitro-1-oxidopyridin-2-yl)spiro[indole-3,4'-piperidine]-1(2H)-dicarboxylate
Conditions | Yield |
---|---|
With triethylamine In tert-Amyl alcohol at 50℃; | 87% |
2-chloro-4-nitropyridine-N-oxide
1-thiopropane
A
2-chloro-4-(propylsulfanyl)pyridine-N-oxide
B
4-nitro-2-(propylsulfanyl)pyridine-N-oxide
Conditions | Yield |
---|---|
With sodium acetate In ethanol at 50℃; | A 86% B 10% |
2-chloro-4-nitropyridine-N-oxide
(2S)-N-phenylpyrrolidine-2-carboxamide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 70℃; for 10h; | 86% |
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 70℃; for 10h; | 85% |
2-chloro-4-nitropyridine-N-oxide
L-proline tert-butylamide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 70℃; for 10h; | 82% |
2-chloro-4-nitropyridine-N-oxide
methyl spiro[indole-3,4'-piperidine]-1(2H)-dicarboxylate
methyl 1'-(4-nitro-1-oxidopyridin-2-yl)spiro[indole-3,4'-piperidine]-1(2H)-dicarboxylate
Conditions | Yield |
---|---|
With triethylamine In tert-Amyl alcohol at 50℃; | 79% |
2-chloro-4-nitropyridine-N-oxide
(S)-N-(3,5-bis(trifluoromethyl)phenyl)pyrrolidine-2-carboxamide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 70℃; for 10h; | 78% |
2-chloro-4-nitropyridine-N-oxide
cyclohexylamine
cyclohexyl-(4-nitro-1-oxy-pyridin-2-yl)-amine
Conditions | Yield |
---|---|
In ethanol at 80℃; for 13h; | 76% |
2-chloro-4-nitropyridine-N-oxide
isopropyl spiro[indole-3,4'-piperidine]-1(2H)-dicarboxylate
isopropyl 1'-(4-nitro-1-oxidopyridin-2-yl)spiro[indole-3,4'-piperidine]-1(2H)-dicarboxylate
Conditions | Yield |
---|---|
With triethylamine In tert-Amyl alcohol at 50℃; | 75% |
2-chloro-4-nitropyridine-N-oxide
7-methoxy-3-piperidin-4-yl-1,3,4,5-tetrahydro-benzo[d][1,3]diazepin-2-one
7-methoxy-3-(4'-nitro-1'-oxy-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-4-yl)-1.3.4,5-tetrahydro-benzo[d][1,3]diazepin-2-one
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 2h; | 75% |
2-chloro-4-nitropyridine-N-oxide
methylamine
2-methylamino-4-nitropyridine N-oxide
Conditions | Yield |
---|---|
74% |
methanol
2-chloro-4-nitropyridine-N-oxide
2-chloro-4-methoxypyridine N-oxide
Conditions | Yield |
---|---|
With sodium hydride at 0℃; for 0.5h; | 70% |
methanol
2-chloro-4-nitropyridine-N-oxide
2,4-dimethoxypyridine N-oxide
Conditions | Yield |
---|---|
With sodium for 1h; Heating; | 70% |
2-chloro-4-nitropyridine-N-oxide
2,6-dichloro-4-nitro-pyridine
Conditions | Yield |
---|---|
With trichlorophosphate at 110℃; for 2.5h; | 70% |
2-chloro-4-nitropyridine-N-oxide
2,3-dihydrospiro[indene-1,4-piperidine]-3-amine
1'-(4-nitro-1-oxidopyridin-2-yl)-2,3-dihydrospiro[indene-1,4'-piperidin]-3-amine
Conditions | Yield |
---|---|
Stage #1: 2,3-dihydrospiro[indene-1,4-piperidine]-3-amine With sodium carbonate In 4-methyl-2-pentanone at 110℃; for 3h; Stage #2: 2-chloro-4-nitropyridine-N-oxide In 4-methyl-2-pentanone at 80℃; | 70% |
2-chloro-4-nitropyridine-N-oxide
(S)-N-methyl-N-phenyl-pyrrolidine-2-carboxamide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 70℃; for 10h; | 70% |
2-chloro-4-nitropyridine-N-oxide
Conditions | Yield |
---|---|
In ethanol at 80℃; for 13h; | 67% |
morpholine
2-chloro-4-nitropyridine-N-oxide
2-(N-morpholinyl)-4-nitropyridine N-oxide
Conditions | Yield |
---|---|
In ethanol at 20℃; for 3h; | 63% |
In ethanol |
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