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inquiryHigh quality 2-Amino-5-nitropyridine CAS 4214-76-0 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed
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inquiry2-Amino-5-nitropyridine Basic information Product Name: 2-Amino-5-nitropyridine Synonyms: 2-AMINO-5-NITROPYRIDINE;5-NITRO-PYRIDIN-2-YLAMINE;NSC 23774;2-AMINO-5-NITROPYRIDINE FOR SYNTHESIS;5-nitropyridine-2-aMine;2-AMino-5-nitropyridine, 99% 25G
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inquiryName: 5-Nitro-2-pyridinamine Molecular Formula:C5H5N3O2 Molecular Weight:139.11 CAS No.:4214-76-0 Appearance:Slight Yellow Solid Appearance:Slight Yellow Solid Storage:Store in cool and dry place, away from sun light. Package:25kg Application:Pha
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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
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Product name:2-Amino-5-Nitropyridine CAS No.:4214-76-0 Molecule Formula:C5H5N3O2 Molecule Weight:139.12 Purity: 95.0% Package: 25kg/drum Description:Yellow crystalline powder Manufacture Standards:Enterprise Standard
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inquiry2-Amino-5-nitropyridine Chemical Properties Melting point 186-188 °C (lit.) Boiling point 255.04°C (rough estimate) density 1.4551 (rough estimate) refractive index 1.5900 (estimate) Fp 224°(435°F) storage temp.
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inquiryConditions | Yield |
---|---|
With copper(I) oxide; ammonia at 80℃; for 16h; | 99% |
With copper acetylacetonate; potassium phosphate; ammonia In N,N-dimethyl-formamide at 90℃; for 24h; Reagent/catalyst; Glovebox; Autoclave; chemoselective reaction; | 87% |
With copper(l) iodide; ascorbic acid In ammonia at 100℃; for 18h; liquid NH3; | 99 %Chromat. |
Conditions | Yield |
---|---|
With acetamidine hydrochloride; sodium hydroxide In water; dimethyl sulfoxide at 130℃; for 24h; Schlenk technique; chemoselective reaction; | 98% |
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid In 1,2-dichloro-ethane at 58℃; for 10h; Concentration; Temperature; | 91.67% |
With sulfuric acid; nitric acid at 80℃; | 81.5% |
With sulfuric acid; nitric acid In dichloromethane at 23 - 35℃; under 0 Torr; for 0.00972222h; Solvent; Temperature; Concentration; Cooling with ice; | 78.95% |
With sulfuric acid; nitric acid at 10 - 50℃; Large scale; |
Conditions | Yield |
---|---|
With copper(I) oxide; ammonia at 80℃; for 16h; | 85% |
Multi-step reaction with 2 steps 1: sodium azide / dimethyl sulfoxide / 120 °C 2: hydrogenchloride / dimethyl sulfoxide / 2 h / 120 °C View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 43 - 45℃; | A 80% B n/a |
With sulfuric acid; nitric acid | |
With sulfuric acid; nitric acid at 40 - 50℃; |
5-nitro-pyridin-2-ylamine
Conditions | Yield |
---|---|
With 4-amino-1,2,4-triazole; potassium tert-butylate In dimethyl sulfoxide at 20℃; for 5h; | 76% |
2-(2,5-dimethyl-1H-pyrrol-1-yl)-5-nitropyridine
5-nitro-pyridin-2-ylamine
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride In ethanol; water at 120℃; for 0.333333h; Microwave irradiation; | 74% |
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid In sulfuric acid at 49.9℃; for 4h; Yields of byproduct given; | A n/a B 65.2% |
2-chloro-5-nitropyridine
formamide
5-nitro-pyridin-2-ylamine
Conditions | Yield |
---|---|
for 6h; Reflux; neat (no solvent); | 61% |
acetamidine hydrochloride
5-nitropyrimidine
A
5-nitro-pyridin-2-ylamine
B
2-methyl-5-nitropyrimidine
Conditions | Yield |
---|---|
With triethylamine In ethanol for 3h; Heating; | A n/a B 46% |
2-chloro-5-nitropyridine
A
5-nitro-pyridin-2-ylamine
B
4-amino-2-chloro-5-nitropyridine
C
5-nitro-2-pyridone
D
2-amino-6-chloro-3-nitropyridine
Conditions | Yield |
---|---|
With potassium permanganate; ammonia; potassium amide | A 43% B 6% C 5% D 10% |
With ammonia; potassium amide at -33℃; for 1h; Product distribution; Mechanism; also in the presence of potassium permanganate; also for 2-chloro-3,5-dinitropyridine; | A 40% B n/a C 12% D n/a |
B
5-nitro-pyridin-2-ylamine
C
4-(tetrahydropyran-2-yloxy)benzaldehyde
Conditions | Yield |
---|---|
With nitrogen In acetonitrile for 4h; irradiation; | A 17% B 39% C 35% |
3-nitropyridine
A
5-nitro-pyridin-2-ylamine
B
2-amino-3-nitropyridine
C
2,6-diamino-3-nitro-pyridine
D
4-amino-3-nitropyridine
Conditions | Yield |
---|---|
With potassium permanganate; ammonia at -33℃; for 5h; other substituted 3-nitropyridines, regioselectivity of amination; | A 19% B 33% C 2% D 24% |
With potassium permanganate; ammonia at -33℃; for 5h; | A 19% B 33% C 2% D 24% |
Conditions | Yield |
---|---|
Stage #1: urea With sodium hydride In dimethyl sulfoxide at 20℃; for 0.5h; Stage #2: 3-nitropyridine In dimethyl sulfoxide at 20℃; for 2h; | A 11% B 9% |
Conditions | Yield |
---|---|
In methanol for 20h; Quantum yield; Irradiation; | A 1.7% B 10.4% |
With sulfuric acid; potassium nitrate at 30℃; Rate constant; |
5-nitro-pyridin-2-ylamine
hydrogenchloride
2-nitramino-5-nitropyridine
5-nitro-pyridin-2-ylamine
5-nitro-pyridin-2-ylamine
Conditions | Yield |
---|---|
With ammonium hydroxide |
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid at 20℃; |
2-(nitroamino)pyridine
sulfuric acid
A
2-Pyridone
B
5-nitro-pyridin-2-ylamine
C
2-amino-3-nitropyridine
methanol
3-Nitro-6-(methylsulfonyl)pyridine
ammonia
A
5-nitro-pyridin-2-ylamine
B
2-methoxy-5-nitropyridine
Conditions | Yield |
---|---|
at 37℃; |
2-mercapto-5-nitropyridine
ammonia
water
A
5-nitro-pyridin-2-ylamine
B
5-nitropyridine-2-sulfonic acid
2-nitramino-5-nitropyridine
sulfuric acid
A
5-nitro-pyridin-2-ylamine
B
3,5-dinitropyridin-2-amine
Conditions | Yield |
---|---|
at 65℃; dann Erhitzen auf 150grad; |
5-nitro-pyridin-2-ylamine
m-Chlorobenzoyl chloride
3-chloro-N-(5-nitropyridin-2-yl)benzamide
Conditions | Yield |
---|---|
With pyridine at 100℃; for 16h; | 99% |
5-nitro-pyridin-2-ylamine
A
N-(5-aminopyridin-2-yl)acetamide
B
2-acetamido-5-nitropyridine
Conditions | Yield |
---|---|
With sulfuric acid In acetic anhydride | A n/a B 98% |
5-nitro-pyridin-2-ylamine
benzoyl chloride
N-(5-nitropyridin-2-yl)benzamide
Conditions | Yield |
---|---|
In tetrahydrofuran; pyridine at 20℃; for 12h; | 96% |
With pyridine at 20℃; Cooling; | 65% |
With pyridine In tetrahydrofuran at 20℃; for 20h; | 55% |
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 65℃; for 24h; Inert atmosphere; | 27% |
With pyridine |
5-nitro-pyridin-2-ylamine
4-nitro-benzoyl chloride
4-nitro-N-(5-nitropyridin-2-yl)benzamide
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In toluene at 100℃; for 0.5h; Microwave irradiation; | 96% |
In tetrahydrofuran; pyridine at 20℃; for 12h; | 87% |
With pyridine at 20℃; Cooling; | 54% |
5-nitro-pyridin-2-ylamine
ethyl Bromopyruvate
ethyl 6-nitroimidazo<1,2-a>pyridine-2-carboxylate
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In 1,4-dioxane at 100℃; for 12h; | 96% |
In ethanol for 16h; Reflux; | 90% |
In ethanol at 85℃; for 22h; Chichibabin Pyridine Synthesis; Inert atmosphere; | 89% |
Conditions | Yield |
---|---|
In acetonitrile at 0℃; for 10h; | 96% |
5-nitro-pyridin-2-ylamine
3-iodo-5-nitropyridin-2-ylamine
Conditions | Yield |
---|---|
With potassium iodate; sulfuric acid; potassium iodide at 100℃; for 1h; | 95% |
Stage #1: 5-nitro-pyridin-2-ylamine With potassium iodate; sulfuric acid; potassium iodide at 80℃; Stage #2: With sodium hydroxide pH=10; | 94% |
With potassium iodate; sulfuric acid; potassium iodide In water at 100℃; for 2h; | 92% |
5-nitro-pyridin-2-ylamine
1-Hydroxymethyl-1H-benzotriazole
Benzotriazol-1-ylmethyl-(5-nitro-pyridin-2-yl)-amine
Conditions | Yield |
---|---|
In ethanol; water; acetic acid at 25℃; for 3h; | 94% |
pyridine-2-carbaldehyde
5-nitro-pyridin-2-ylamine
[ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2
Conditions | Yield |
---|---|
Stage #1: pyridine-2-carbaldehyde; 5-nitro-pyridin-2-ylamine; [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2 In methanol at 20℃; for 24h; Stage #2: ammonium hexafluorophosphate In methanol | 94% |
Conditions | Yield |
---|---|
With zinc(II) chloride In tetrahydrofuran at 50 - 55℃; for 4h; Autoclave; | 93.5% |
Conditions | Yield |
---|---|
With zinc(II) chloride In tetrahydrofuran at 50 - 55℃; for 4h; Autoclave; | 93.3% |
2-chloroethanal
5-nitro-pyridin-2-ylamine
6-nitroimidazo[1,2-a]pyridine
Conditions | Yield |
---|---|
In ethanol Reflux; | 93% |
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane In water at 60 - 70℃; for 2h; Green chemistry; regioselective reaction; | 92% |
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane In water at 60 - 70℃; for 4h; Green chemistry; regioselective reaction; | 92% |
5-nitro-pyridin-2-ylamine
copper(ll) bromide
C5H5N3O2*Br(1-)*Cu(1+)
Conditions | Yield |
---|---|
In ethanol; water Autoclave; Microwave irradiation; | 91.9% |
Conditions | Yield |
---|---|
With triethylamine In chloroform at 0 - 5℃; for 12h; Inert atmosphere; | 91% |
With triethylamine In tetrahydrofuran at 20℃; | 57% |
phthalic anhydride
5-nitro-pyridin-2-ylamine
2-(5-Nitro-pyridin-2-yl)-isoindole-1,3-dione
Conditions | Yield |
---|---|
In DMF (N,N-dimethyl-formamide) at 20 - 210℃; for 5h; | 91% |
5-nitro-pyridin-2-ylamine
2-bromo-1-(3,4-dichlorophenyl)ethanone
C13H7Cl2N3O2
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane In water at 60 - 70℃; for 2.5h; Green chemistry; regioselective reaction; | 91% |
Conditions | Yield |
---|---|
In water for 0.75h; Reflux; Green chemistry; | 91% |
5-nitro-pyridin-2-ylamine
phenylglyoxal hydrate
2-Hydroxy-2-(5-nitro-pyridin-2-ylamino)-1-phenyl-ethanone
Conditions | Yield |
---|---|
In benzene for 5h; Ambient temperature; | 90% |
5-nitro-pyridin-2-ylamine
dimethyl sulfoxide
2-dimethylsulfilimino-5-nitropyridine
Conditions | Yield |
---|---|
With trifluoroacetic anhydride In dichloromethane at -60℃; for 3h; Mechanism; Product distribution; multistep; other reagents : 1.) N-chlorosuccinimide, dimethylsulfide, 2.) P2O5, DMSO, 3.) trifluoromethanesulfonic acid anhydride, DMSO; | 90% |
With trifluoroacetic anhydride In dichloromethane at -60℃; for 3h; | 90% |
With phosphorus pentoxide |
5-nitro-pyridin-2-ylamine
orthoformic acid triethyl ester
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With zinc(II) oxide In neat (no solvent) at 100℃; for 0.0833333h; Microwave irradiation; Green chemistry; | 90% |
Conditions | Yield |
---|---|
at 190 - 210℃; for 1.5h; | 89% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; Cooling; | 88.76% |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite In water at 0 - 6℃; for 0.666667h; Temperature; Concentration; | 88.02% |
With sulfuric acid; sodium nitrite at 0 - 20℃; | 77% |
With ammonium hydroxide; sodium nitrite at 0 - 10℃; Large scale; | 58.1% |
methanol
5-nitro-pyridin-2-ylamine
2-oxopropanal
methyl N-(5-nitro-2-pyridyl)-α-alaninate
Conditions | Yield |
---|---|
With perchloric acid In water for 48h; Heating; | 88% |
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