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inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Light yellow to brown powder Storage:cool dry place Package:25kg/drum Application:pharmaceutical intermediate Tran
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inquiryProduct Name: 2-Chloro-3-bromo-5-aminopyridine MF: C5H4BrClN2 MW: 207.46 EINECS: Mol File: 130284-53-6.mol 2-Chloro-3-bromo-5-aminopyridine Structure 2-Chloro-3-bromo-5-aminopyridine Chemical Properties Melting point 120-122°
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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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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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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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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
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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
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High 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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inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
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inquiry3-bromo-2-chloro-5-nitropyridine
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
With hydrogen In tetrahydrofuran at 37℃; under 2250.23 Torr; for 18h; chemoselective reaction; | 92% |
With iron; acetic acid In water for 2h; below 50 deg C; | 87% |
With ammonium chloride; zinc In methanol at 90℃; for 2h; | 70.6% |
3-bromo-2-hydroxy-5-nitropyridine
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 94 percent / POCl3, quinoline / 2 h / 120 °C 2: 87 percent / Fe, AcOH / H2O / 2 h / below 50 deg C View Scheme |
3,4,5,6-tetrahydro-2H-pyran-4-carbaldehyde
2-chloro-3-bromo-5-aminopyridine
5-bromo-6-chloro-N-((tetrahydro-2H-pyran-4-yl)methyl)pyridin-3-amine
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; for 20h; | 97% |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Stage #1: 5-amino-3-bromo-2-chloropyridine With hydrogenchloride; sodium nitrite In water at 0℃; for 1h; Sandmeyer Reaction; Stage #2: In water at 0 - 20℃; Sandmeyer Reaction; | 89% |
tri-n-butyl(vinyl)tin
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); lithium chloride In 1,4-dioxane for 24h; Reflux; | 89% |
4-vinylpyridine
2-chloro-3-bromo-5-aminopyridine
6-chloro-5-[(E)-2-pyridin-4-ylvinyl]pyridin-3-amine
Conditions | Yield |
---|---|
With triethylamine; tris-(dibenzylideneacetone)dipalladium(0); tris-(o-tolyl)phosphine In N,N-dimethyl-formamide at 100℃; for 15h; | 84% |
With tris(dibenzylideneacetone)dipalladium (0); triethylamine; tris-(o-tolyl)phosphine In N,N-dimethyl-formamide at 100℃; for 15h; |
4-vinylpyridine
2-chloro-3-bromo-5-aminopyridine
tris-(o-tolyl)phosphine
6-chloro-5-[(E)-2-pyridin-4-ylvinyl]pyridin-3-amine
Conditions | Yield |
---|---|
With triethylamine; tris-(dibenzylideneacetone)dipalladium(0) In ethyl acetate; N,N-dimethyl-formamide | 84% |
2-chloro-3-bromo-5-aminopyridine
N-tert-butyloxycarbonyl-tryptophanal
1,1-dimethylethyl [(1S)-2-[(5-bromo-6-chloro-3-pyridinyl)amino]-1-(1H-indol-3-ylmethyl)ethyl]carbamate
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; | 75% |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Stage #1: Phe-COOH With 1-hydroxy-7-aza-benzotriazole; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran for 2h; Heating / reflux; Stage #2: 5-amino-3-bromo-2-chloropyridine In tetrahydrofuran for 1h; Heating / reflux; | 59.4% |
3-phenyl-propionaldehyde
2-chloro-3-bromo-5-aminopyridine
5-bromo-6-chloro-N-(3-phenylpropyl)-3-pyridinamine
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; for 1h; | 50% |
2-chloro-3-bromo-5-aminopyridine
acetic anhydride
Conditions | Yield |
---|---|
at 20℃; for 1h; | 49.5% |
2,2-dimethyltetrahydro-2H-pyran-4-carbaldehyde
2-chloro-3-bromo-5-aminopyridine
5-bromo-6-chloro-N-((2,2-dimethyltetrahydro-2H-pyran-4-yl)methyl)pyridin-3-amine
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; for 2h; | 45.2% |
5-methylfuran-2-boronic acid
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
With [1,1'-bis(diphenylphosphino)ferrocene]dichloropalladium(II); potassium carbonate In 1-methyl-pyrrolidin-2-one; water at 150℃; for 2h; Inert atmosphere; | 22% |
2-chloro-3-bromo-5-aminopyridine
acetic anhydride
5-bromo-6-chloropyridin-3-yl acetate
Conditions | Yield |
---|---|
With tetrafluoroboric acid; sodium nitrite 1)water, 0 deg C, 1 h, 2) 70 deg C, 1 h; Yield given. Multistep reaction; |
2-chloro-3-bromo-5-aminopyridine
2-chloro-5-iodo-3-[(E)-2-pyridin-4-ylvinyl]pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: Pd2(dba)3; P(o-Tol)3; Et3N / dimethylformamide / 15 h / 100 °C 2.1: NaNO2; aq. H2SO4 / 5 h / 0 °C 2.2: 70 percent / NaI / 2 h View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: Pd2(dba)3; P(o-Tol)3; Et3N / dimethylformamide / 15 h / 100 °C 2.1: NaNO2; aq. H2SO4 / 5 h / 0 °C 2.2: 70 percent / NaI / 2 h 3.1: 9-BBN / 0 - 20 °C 3.2: 40 percent / PdCl2(dppf); Cs2CO3 / dimethylformamide / 8 h / 50 °C 4.1: TFA / CH2Cl2 / 2 h / 20 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: Pd2(dba)3; P(o-Tol)3; Et3N / dimethylformamide / 15 h / 100 °C 2.1: acetic acid / methanol / 3 h / Heating 2.2: Ti(i-PrO)4; NaBH3CN / methanol / 1 h 3.1: TFA / CH2Cl2 / 2 h / 20 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
tert-butyl (1R)-3-{6-chloro-5-[(E)-2-pyridin-4-ylvinyl]pyridin-3-yl}-1-(1H-indol-3-ylmethyl)propylcarbamate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: Pd2(dba)3; P(o-Tol)3; Et3N / dimethylformamide / 15 h / 100 °C 2.1: NaNO2; aq. H2SO4 / 5 h / 0 °C 2.2: 70 percent / NaI / 2 h 3.1: 9-BBN / 0 - 20 °C 3.2: 40 percent / PdCl2(dppf); Cs2CO3 / dimethylformamide / 8 h / 50 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
[1-{[6-chloro-5-(2-pyridin-4-yl-vinyl)-pyridin-3-ylamino]-methyl}-2-(1H-indol-3-yl)-ethyl]-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: Pd2(dba)3; P(o-Tol)3; Et3N / dimethylformamide / 15 h / 100 °C 2.1: acetic acid / methanol / 3 h / Heating 2.2: Ti(i-PrO)4; NaBH3CN / methanol / 1 h View Scheme |
2-chloro-3-bromo-5-aminopyridine
5-bromo-6-chloropyridin-3-ol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1) HBF4, NaNO2 / 1)water, 0 deg C, 1 h, 2) 70 deg C, 1 h 2: 98 percent / 2 N KOH / 0.5 h / 5 °C View Scheme | |
Stage #1: 5-amino-3-bromo-2-chloropyridine With sulfuric acid; sodium nitrite In water at 0 - 25℃; for 0.5h; Stage #2: With acetic acid In water at 100℃; for 12h; |
1-azaadamantane-4-one
2-chloro-3-bromo-5-aminopyridine
toluene-4-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 1-azaadamantane-4-one; 5-amino-3-bromo-2-chloropyridine With magnesium sulfate; acetic acid for 0.166667h; Stage #2: With sodium tris(acetoxy)borohydride at 20℃; for 14h; Stage #3: toluene-4-sulfonic acid In ethanol; ethyl acetate at -10 - 20℃; Heating / reflux; |
2-chloro-3-bromo-5-aminopyridine
A
(6-chloro-pyridin-3-yl)-(tetrahydro-pyran-4-ylmethyl)-amine
B
2,5'-dichloro-2'-fluoro-N-((tetrahydro-2H-pyran-4-yl)methyl)-3,4'-bipyridin-5-amine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; sodium tris(acetoxy)borohydride / dichloromethane / 20 h / 20 °C 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,2-dimethoxyethane / 3 h / 100 °C / Inert atmosphere View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetic acid; sodium tris(acetoxy)borohydride / dichloromethane / 20 h / 20 °C 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,2-dimethoxyethane / 3 h / 100 °C / Inert atmosphere 3: dimethyl sulfoxide / 3 h / 100 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetic acid; sodium tris(acetoxy)borohydride / dichloromethane / 20 h / 20 °C 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,2-dimethoxyethane / 3 h / 100 °C / Inert atmosphere 3: N-ethyl-N,N-diisopropylamine / dimethyl sulfoxide / 40 h / 20 - 120 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: acetic acid; sodium tris(acetoxy)borohydride / dichloromethane / 20 h / 20 °C 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,2-dimethoxyethane / 3 h / 100 °C / Inert atmosphere 3: dimethyl sulfoxide / 3 h / 100 °C 4: triethylamine / dimethyl sulfoxide / 72 h / 95 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: acetic acid; sodium tris(acetoxy)borohydride / dichloromethane / 20 h / 20 °C 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,2-dimethoxyethane / 3 h / 100 °C / Inert atmosphere 3: dimethyl sulfoxide / 3 h / 100 °C 4: triethylamine / dimethyl sulfoxide / 72 h / 95 °C 5: triethylamine / dichloromethane / 2 h / 0 - 20 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: acetic acid; sodium tris(acetoxy)borohydride / dichloromethane / 20 h / 20 °C 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,2-dimethoxyethane / 3 h / 100 °C / Inert atmosphere 3: dimethyl sulfoxide / 3 h / 100 °C 4: triethylamine / dimethyl sulfoxide / 72 h / 95 °C 5: triethylamine / dichloromethane / 2 h / 0 - 20 °C 6: tert-butyl alcohol / 5 h / 95 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: acetic acid; sodium tris(acetoxy)borohydride / dichloromethane / 20 h / 20 °C 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,2-dimethoxyethane / 3 h / 100 °C / Inert atmosphere 3: dimethyl sulfoxide / 3 h / 100 °C 4: potassium carbonate / dimethyl sulfoxide / 9 h / 100 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: acetic acid; sodium tris(acetoxy)borohydride / dichloromethane / 20 h / 20 °C 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,2-dimethoxyethane / 3 h / 100 °C / Inert atmosphere 3: dimethyl sulfoxide / 3 h / 100 °C 4: potassium carbonate / N,N-dimethyl-formamide / 3 h / 60 °C View Scheme |
2-chloro-3-bromo-5-aminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetic acid; sodium tris(acetoxy)borohydride / dichloromethane / 20 h / 20 °C 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 1,2-dimethoxyethane / 3 h / 100 °C / Inert atmosphere 3: 2,6-dimethylpyridine / dimethyl sulfoxide / 3 h / 135 °C View Scheme |
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