Changzhou Helios Biochemical Co., Ltd is a leading manufacturer and supplier for medical intermediates and pesticide intermediates . We specialize in custom synthesis of benzene ring, pyridine and pyrimidine derivatives to help customers to accelerat
Cas:78607-32-6
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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
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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
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Type:Manufacturers
inquiryProduct Name: 2,5-Dichloropyridin-3-amine Synonyms: TIMTEC-BB SBB005503;BUTTPARK 43\57-86;2,5-DICHLOROPYRIDIN-3-AMINE;2,5-DICHLORO-PYRIDIN-3-YLAMINE;2,5-DICHLORO-3-AMINOPYRIDINE;3-AMINO-2,5-DICHLOROPYRIDINE;2,5-Dichloro-3-pyridinamine;
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Min.Order:1 Kilogram
FOB Price: $8900.0
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
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inquiryName: 2,5-Dichloropyridin-3-amine CAS:78607-32-6 MF: C5H4Cl2N2 Appearance:White Powder Storage:Store in cool and dry place, away from sun light. Package:25kg Application:Pharmaceutical Intermediate Transportation:By sea or by air Port:Qingdao Port
1.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:78607-32-6
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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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inquiryPrice, service, company and transport advantage: 1.place of origin china with super quality by reasonable price. 2. it's customers' right to choose the package (ems, dhl, fedex, ups); 3. it's custo
Cas:78607-32-6
Min.Order:10 Gram
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Type:Trading Company
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
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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
GMP 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:78607-32-6
Min.Order:1 Milligram
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Type:Trading Company
inquiryOur company is engaged in customizing the benzene ring and pyridine derivative organic intermediates, and the quantity is flexible according to customer's needs. It mainly provides high-quality intermediates for domestic and foreign pharmaceuti
Cas:78607-32-6
Min.Order:1 Gram
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Type:Lab/Research institutions
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
1.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:78607-32-6
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Stock 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
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
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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inquiry2,5-Dichloropyridin-3-amineAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiryreagent grade ex stockAppearance:white or off-white crystalline powder Storage:Keep away of light,cool place Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:by Fedex, ship or plane
Cas:78607-32-6
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inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
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inquiry78607-32-6 Application:intermediate
Cas:78607-32-6
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inquiryStock 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
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inquiry2,5-dichloro-3-nitropyridine
3-amino-2,5-dichloropyridine
Conditions | Yield |
---|---|
With formic acid; triethylamine for 24h; chemoselective reaction; | 95% |
With hydrogen In tetrahydrofuran; water at 120℃; under 37503.8 Torr; for 15h; chemoselective reaction; | 94% |
With chlorobis(cyclooctene)rhodium(I) dimer In N,N-dimethyl-formamide at 120℃; for 12h; pH=2.25; Inert atmosphere; | 86% |
2-bromo-3-amino-5-chloropyridine
3-amino-2,5-dichloropyridine
Conditions | Yield |
---|---|
With hydrogenchloride |
2-bromo-5-chloro-3-nitropyridine
3-amino-2,5-dichloropyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: iron-turnings; acetic acid 2: aqueous HCl View Scheme |
2-amino-5-chloro-3-nitropyridine
3-amino-2,5-dichloropyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: concentrated aqueous hydrochloric acid / -10 °C / anschliessend Behandeln mit wss. Natriumnitrit-Loesung 2: iron-turnings; acetic acid View Scheme |
5-chloro-3-nitropyridin-2-ol
3-amino-2,5-dichloropyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: phosphoryl chloride; phosphorus (V)-chloride 2: iron-turnings; acetic acid View Scheme | |
Multi-step reaction with 3 steps 1: bromine; phosphorus (III)-bromide 2: iron-turnings; acetic acid 3: aqueous HCl View Scheme |
Conditions | Yield |
---|---|
With chloro(2-dicyclohexylphosphino-2′,4′,6′-triisopropyl-1,1′-biphenyl)[2-(2-aminoethyl)phenyl]palladium(II) methyl-t-butyl ether adduct; caesium carbonate In tetrahydrofuran at 95℃; for 18h; Inert atmosphere; | 100% |
3-amino-2,5-dichloropyridine
chloroacetyl chloride
2-chloro-N-(2,5-dichloro-pyridin-3-yl)-acetamide
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; Inert atmosphere; | 96% |
3-amino-2,5-dichloropyridine
3-chlorobenzoate
2,5-dichloro-N-(3-chloro-phenyl)-nicotinamide
Conditions | Yield |
---|---|
In acetonitrile at 20℃; | 90% |
3-amino-2,5-dichloropyridine
4,5-dichloro-1,2,3-dithiazolium chloride
(Z)-2,5-dichloro-N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)pyridin-3-amine
Conditions | Yield |
---|---|
Stage #1: 3-amino-2,5-dichloropyridine; 4,5-dichloro-1,2,3-dithiazolium chloride In dichloromethane at 20℃; for 1h; Stage #2: With 2,6-dimethylpyridine In dichloromethane at 20℃; for 2h; | 82% |
3-amino-2,5-dichloropyridine
1,3,5-trimethyl-benzene
Conditions | Yield |
---|---|
With I,I-bis(acetoxy)iodobenzene at 20℃; regioselective reaction; | 82% |
3-amino-2,5-dichloropyridine
Conditions | Yield |
---|---|
Stage #1: 3-amino-2,5-dichloropyridine With tetrafluoroboric acid; thionyl chloride In acetonitrile at 0℃; for 0.166667h; Stage #2: With tert.-butylnitrite In acetonitrile at 0℃; for 1h; Further stages; | 81.7% |
Stage #1: 3-amino-2,5-dichloropyridine With hydrogenchloride; sodium nitrite In water at 0℃; for 0.666667h; Stage #2: With thionyl chloride; copper(l) chloride In water at 0℃; for 1h; Sandmeyer Reaction; | 1.85 g |
3-amino-2,5-dichloropyridine
5-chlorosalicyclaldehyde
2,8-Dichloro-5-oxa-4,11-diaza-dibenzo[a,d]cycloheptene
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 110 - 120℃; for 4h; | 81% |
3-amino-2,5-dichloropyridine
5-bromosalicyclaldehyde
8-Bromo-2-chloro-5-oxa-4,11-diaza-dibenzo[a,d]cycloheptene
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 110 - 120℃; for 4h; | 81% |
3-amino-2,5-dichloropyridine
2,6-dichloro-3,5-dinitrotoluene
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran; N,N-dimethyl-formamide at 25℃; | 78% |
3-amino-2,5-dichloropyridine
salicylaldehyde
2-Chloro-5-oxa-4,11-diaza-dibenzo[a,d]cycloheptene
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 110 - 120℃; for 4h; | 71% |
3-amino-2,5-dichloropyridine
Conditions | Yield |
---|---|
With selenium; sodium tetrahydroborate; toluene-4-sulfonic acid at 50℃; for 20h; Inert atmosphere; | 66% |
3-amino-2,5-dichloropyridine
acetyl chloride
N-(2,5-dichloro-pyridin-3-yl)-acetamide
Conditions | Yield |
---|---|
Stage #1: 3-amino-2,5-dichloropyridine; acetyl chloride In dichloromethane at 0℃; Inert atmosphere; Stage #2: With N-ethyl-N,N-diisopropylamine In dichloromethane for 3h; Inert atmosphere; | 65% |
2-Picolinic acid
3-amino-2,5-dichloropyridine
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 70℃; for 12h; | 65% |
3-amino-2,5-dichloropyridine
ethyl acrylate
ethyl (E)-3-(3-amino-5-chloropyridin-2-yl)prop-2-enoate
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; palladium diacetate; N-ethyl-N,N-diisopropylamine; 1,4-di(diphenylphosphino)-butane In N,N-dimethyl-formamide at 140℃; for 30h; | 52% |
With tetrabutylammomium bromide; N-ethyl-N,N-diisopropylamine; palladium diacetate; 1,4-di(diphenylphosphino)-butane In N,N-dimethyl-formamide at 140℃; for 30h; Heck Reaction; | |
With tetrabutylammomium bromide; palladium diacetate; (R)-2,2'-bis(diphenylphosphanyl)-1,1'-binaphthyl; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 140℃; for 30h; |
3-amino-2,5-dichloropyridine
Benzyloxyacetyl chloride
2-(benzyloxy)-N-(2,5-dichloropyridin-3-yl)acetamide
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 2h; | 46% |
3-amino-2,5-dichloropyridine
aniline
5-chloro-N2-phenylpyridine-2,3-diamine
Conditions | Yield |
---|---|
Stage #1: 3-amino-2,5-dichloropyridine; aniline With hydrogen bromide In water; diethylene glycol at 80℃; for 2.5h; Microwave irradiation; Stage #2: With sodium hydrogencarbonate In dichloromethane; water | 17% |
morpholine
3-amino-2,5-dichloropyridine
di-morpholin-4-yl-phosphinic acid 2,5-dichloro-pyridin-3-ylamide
Conditions | Yield |
---|---|
(i) PCl5, benzene, (ii) HCO2H, (iii) /BRN= 102549/, Et3N; Multistep reaction; |
2-Chloronicotinoyl chloride
3-amino-2,5-dichloropyridine
2-Chloro-N-(2,5-dichloro-pyridin-3-yl)-nicotinamide
Conditions | Yield |
---|---|
With pyridine In 1,4-dioxane; cyclohexane Ambient temperature; |
3-amino-2,5-dichloropyridine
8-Chloro-5-ethyl-5,10-dihydro-4,5,6,10-tetraaza-dibenzo[a,d]cyclohepten-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: pyridine / cyclohexane; dioxane / Ambient temperature 2: xylene / Heating 3: NaH / various solvent(s) / Heating View Scheme |
3-amino-2,5-dichloropyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine / cyclohexane; dioxane / Ambient temperature 2: xylene / Heating View Scheme |
3-amino-2,5-dichloropyridine
8-Chloro-5-ethyl-10-methyl-5,10-dihydro-4,5,6,10-tetraaza-dibenzo[a,d]cyclohepten-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: pyridine / cyclohexane; dioxane / Ambient temperature 2: xylene / Heating 3: NaH / various solvent(s) / Heating 4: 1.) NaH / 1.) DMSO, 2.) DMSO View Scheme |
3-amino-2,5-dichloropyridine
8-Chloro-5-ethyl-10-methyl-7-nitro-5,10-dihydro-4,5,6,10-tetraaza-dibenzo[a,d]cyclohepten-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: pyridine / cyclohexane; dioxane / Ambient temperature 2: xylene / Heating 3: NaH / various solvent(s) / Heating 4: 1.) NaH / 1.) DMSO, 2.) DMSO 5: nitronium tetrafluoroborate / acetonitrile View Scheme |
3-amino-2,5-dichloropyridine
8-Chloro-5-ethyl-10-methyl-2,7-dinitro-5,10-dihydro-4,5,6,10-tetraaza-dibenzo[a,d]cyclohepten-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: pyridine / cyclohexane; dioxane / Ambient temperature 2: xylene / Heating 3: NaH / various solvent(s) / Heating 4: 1.) NaH / 1.) DMSO, 2.) DMSO 5: nitronium tetrafluoroborate / acetonitrile View Scheme |
3-amino-2,5-dichloropyridine
2-Chloro-10,11-dihydro-5-oxa-4,11-diaza-dibenzo[a,d]cycloheptene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 71 percent / NaH / dimethylformamide / 4 h / 110 - 120 °C 2: 87 percent / NaBH4 / ethanol View Scheme |
3-amino-2,5-dichloropyridine
2,8-Dichloro-10,11-dihydro-5-oxa-4,11-diaza-dibenzo[a,d]cycloheptene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 81 percent / NaH / dimethylformamide / 4 h / 110 - 120 °C 2: 99 percent / NaBH4 / ethanol View Scheme |
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