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inquiryProduct Name: 2,3-Diaminopyridine Synonyms: 2,3-diamino-pyridin;Pyridine, 2,3-diamino-;PYRIDINE-2,3-DIAMINE;TIMTEC-BB SBB004339;ASINEX-REAG BAS 01435295;2,3-DIAMINOPYRIDINE;2,3-Diaminopyridine ,97%;3-DiaMin
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2,3-DiaminopyridineAppearance:Pls see the Details Storage:Keep away of light, hot, water, Store in dry, dark and ventilated place Package:according to customers' requirements Application:Steroids, Cosmetics Ingredients, APIs, Intermediates, OLED&Batt
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2,3-Diaminopyridine Chemical Properties Melting point 110-115 °C (lit.) Boiling point 195°C 55mm density 1.1118 (rough estimate) refractive index 1.5340 (estimate) Fp 205 °C storage temp. Refrigerator (+4°C) so
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inquiryProduct name: 2,3-Diaminopyridine CAS No.:452-58-4 Molecule Formula:C5H8N3 Molecule Weight:110.14 Purity: 99.0% Package: 25kg/drum Description:Brown powder Manufacture Standards:Enterprise Standard TESTING ITEMS
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3,3'-dinitro-2,2'-hydrazobipyridine
2,3-Diaminopyridine
Conditions | Yield |
---|---|
With hydrogen; nickel In ethanol under 3102.9 Torr; for 3h; Ambient temperature; | 92% |
Conditions | Yield |
---|---|
With sulfur; sodium hydroxide In methanol; water at 80℃; for 16h; Green chemistry; | 89% |
With hydrogen; palladium on activated charcoal In ethyl acetate at 20 - 35℃; under 3102.9 Torr; other solvent; | 80% |
With hydrogenchloride; ethanol; iron |
2-Hydrazino-3-nitropyridine
2,3-Diaminopyridine
Conditions | Yield |
---|---|
With hydrogen; nickel In tetrahydrofuran; ethanol at 65℃; under 3102.9 Torr; for 16h; | 70% |
Multi-step reaction with 2 steps 1: 31 percent / (C2H5)3N / ethanol / 96 h / Heating 2: 92 percent / H2 / Raney Ni / ethanol / 3 h / 3102.9 Torr / Ambient temperature View Scheme |
2-amino-3-nitropyridine 1-oxide
2,3-Diaminopyridine
Conditions | Yield |
---|---|
With sulfur; sodium hydroxide In methanol; water at 80℃; for 16h; Green chemistry; | 68% |
Conditions | Yield |
---|---|
With zinc ammonium chloride at 220℃; for 5h; Autoclave; | 60% |
With ammonium hydroxide; copper(II) sulfate at 130℃; under 13239.1 Torr; |
2-nitro-3-azidopyridine
2,3-Diaminopyridine
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol for 0.5h; | 50% |
With hydrazine hydrate In ethanol for 0.5h; Mechanism; | 50% |
A
2,3-Diaminopyridine
B
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen; sodium hydrogencarbonate In methanol at 20℃; under 760.051 Torr; for 2h; Sealed tube; Overall yield = 87 %Spectr.; chemoselective reaction; | A 45% B 42% |
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol at 80℃; under 3102.9 Torr; for 18h; | 41% |
2-amino-3-azidopyridine
isobutyraldehyde
A
2,3-Diaminopyridine
B
2-(1-methylethyl)imidazo[4,5-b]pyridine
Conditions | Yield |
---|---|
In ethanol for 24h; Heating; | A 33% B 8% |
Conditions | Yield |
---|---|
With sulfuric acid; zinc In methanol; water at 90℃; for 48h; | 20% |
With sodium hydroxide; aluminum nickel |
Conditions | Yield |
---|---|
With 4-methylisopropylbenzene; sodium amide at 210℃; | |
Multi-step reaction with 2 steps 1: concentrated aqueous HCl 2: CuSO4; aqueous NH3 / 130 °C / 13239.1 Torr View Scheme |
5-bromo-pyridine-2,3-diamine
2,3-Diaminopyridine
Conditions | Yield |
---|---|
With sodium hydroxide; Pd/SrCO3 Hydrogenation; |
3-amino-2-nitropyridine
2,3-Diaminopyridine
Conditions | Yield |
---|---|
With methanol; nickel Hydrogenation; | |
With sodium hydroxide; aluminum nickel |
2-amino-3-nitropyridine
A
2,3-Diaminopyridine
B
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With hydrogenchloride; tin |
Conditions | Yield |
---|---|
With sodium hydroxide; aluminum nickel |
Conditions | Yield |
---|---|
at 210℃; |
hydrogenchloride
2-amino-3-nitropyridine
A
2,3-Diaminopyridine
B
6-chloropyridine-2,3-diamine
3-amino-2-phthalimidopyridine
2,3-Diaminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: HCl; sodium nitrite / H2O / 3.5 h / cooling 1.2: 60 percent / sodium azide / H2O; diethyl ether / 2 h / 0 °C 2.1: 96 percent / hydrazine hydrate / ethanol; tetrahydrofuran; H2O / 26 h / 20 °C 3.1: 33 percent / ethanol / 24 h / Heating View Scheme |
3-azido-2-phthalimidopyridine
2,3-Diaminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 96 percent / hydrazine hydrate / ethanol; tetrahydrofuran; H2O / 26 h / 20 °C 2: 33 percent / ethanol / 24 h / Heating View Scheme |
3-nitro-2-phthalimidopyridine
2,3-Diaminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: 50 percent / hydrogen / Pd/C / ethanol / 15 h / 60 °C / 3040 Torr 2.1: HCl; sodium nitrite / H2O / 3.5 h / cooling 2.2: 60 percent / sodium azide / H2O; diethyl ether / 2 h / 0 °C 3.1: 96 percent / hydrazine hydrate / ethanol; tetrahydrofuran; H2O / 26 h / 20 °C 4.1: 33 percent / ethanol / 24 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 86 percent / ethanol / 3 h / Heating 2: 41 percent / H2 / 5percent Pd/C / ethanol / 18 h / 80 °C / 3102.9 Torr View Scheme | |
Multi-step reaction with 2 steps 1: 65 percent / CH3COONH4 / bis-(2-methoxy-ethyl) ether / 12 h / Heating 2: 80 percent / H2 / 5percent Pd/C / ethyl acetate / 20 - 35 °C / 3102.9 Torr / other solvent View Scheme | |
Multi-step reaction with 3 steps 1: 78 percent / N2H4 / acetonitrile / 1 h / Heating 2: 31 percent / (C2H5)3N / ethanol / 96 h / Heating 3: 92 percent / H2 / Raney Ni / ethanol / 3 h / 3102.9 Torr / Ambient temperature View Scheme | |
Multi-step reaction with 2 steps 1: 78 percent / N2H4 / acetonitrile / 1 h / Heating 2: 70 percent / H2 / Raney Ni / ethanol; tetrahydrofuran / 16 h / 65 °C / 3102.9 Torr View Scheme | |
Multi-step reaction with 2 steps 1: iron; acetic acid 2: CuSO4; aqueous NH3 / 130 °C / 13239.1 Torr View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: concentrated H2SO4; HNO3 2: aqueous NaOH 3: nickel-aluminium-alloy; aq.-ethanolic NaOH View Scheme |
ethyl N-(2-nitro-3-pyridyl)carbamate
2,3-Diaminopyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous NaOH 2: nickel-aluminium-alloy; aq.-ethanolic NaOH View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 0.25 h 2: nitric acid; sulfuric acid / 4 h / 0 - 50 °C 3: sulfuric acid; zinc / water; methanol / 48 h / 90 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: nitric acid; sulfuric acid / 4 h / 0 - 50 °C 2: sulfuric acid; zinc / water; methanol / 48 h / 90 °C View Scheme |
Conditions | Yield |
---|---|
With sodium hypochlorite; potassium hydroxide In water at 5 - 100℃; for 5h; Reagent/catalyst; |
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethanol at 25℃; for 2h; |
Conditions | Yield |
---|---|
With zirconium(IV) chloride In methanol at 20℃; for 0.0833333h; | 100% |
With silica-supported stannous chloride In methanol at 20℃; for 0.166667h; | 95% |
With acetic acid In ethanol at 70℃; for 16h; | 95% |
2,3-Diaminopyridine
4-benzoyl-3-hydroxy-2,5-dihydrofuran-2-one
2-aminopyrido-3-ammonium 4-benzoyl-2(5H)-furanone-3-oxide
Conditions | Yield |
---|---|
In chloroform Ambient temperature; | 100% |
2,3-Diaminopyridine
Conditions | Yield |
---|---|
Stage #1: (7aSR,9RS,11aRS)-11a-ethyl-9-hydroxy-9-propyl-6,7,7a,8,9,10,11,11a-octahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0℃; for 0.166667h; Stage #2: 2,3-Diaminopyridine In N,N-dimethyl-formamide at 20℃; for 18h; | 100% |
Conditions | Yield |
---|---|
With polyphosphoric acid at 180℃; for 16h; | 100% |
2,3-Diaminopyridine
orthoformic acid triethyl ester
3H-imidazo[4,5-b]pyridine
Conditions | Yield |
---|---|
Stage #1: 2,3-Diaminopyridine; orthoformic acid triethyl ester at 145℃; for 3h; Stage #2: With formic acid at 110℃; for 2h; | 99% |
Stage #1: 2,3-Diaminopyridine; orthoformic acid triethyl ester for 3.5h; Reflux; Stage #2: With hydrogenchloride In water for 1h; Reflux; | 83% |
With H-Y-zeolite In ethanol for 10h; Heating; | 81% |
2,3-Diaminopyridine
acenaphthene quinone
acenaphtho[1,2-b]pyrido[2,3-e]pyrazine
Conditions | Yield |
---|---|
With zirconium oxide salicylaldehyde-(3-aminopropyl)trimethoxysilane imine complex modified SBA-15 In water for 2h; Reflux; | 99% |
With Cu(II)-Schiff base/SBA-15 In water for 2h; Reflux; | 98% |
With SBA-15 mesoporous silica supported Fe(III)-Schiff base In water for 2h; Reflux; | 98% |
Conditions | Yield |
---|---|
Stage #1: 2,3-Diaminopyridine With orthoformic acid triethyl ester at 145℃; for 3h; Stage #2: formic acid at 110℃; for 2h; Stage #3: In methanol at 20℃; | 99% |
at 170℃; for 48h; | 30% |
Conditions | Yield |
---|---|
With silica-supported bismuth(III) chloride In methanol at 20℃; for 0.5h; Catalytic behavior; | 98% |
In methanol; acetic acid at 160℃; for 0.0833333h; Irradiation; | 97% |
With zirconium(IV) chloride In methanol at 20℃; for 1h; | 96% |
Conditions | Yield |
---|---|
at 140℃; for 5h; | 98% |
at 130 - 140℃; |
carbon disulfide
2,3-Diaminopyridine
1,3-dihydro-2H-imidazo[4,5-b]pyridine-2-thione
Conditions | Yield |
---|---|
In pyridine for 5h; Heating; | 98% |
With sodium hydroxide | 76% |
With potassium hydroxide In ethanol; water at 80℃; | 69% |
2,3-Diaminopyridine
6-methylnicotinic acid
2-(6-Methyl-pyridin-3-yl)-1H-imidazo[4,5-b]pyridine
Conditions | Yield |
---|---|
With PPA at 210℃; for 2h; | 98% |
2,3-Diaminopyridine
4-methylnicotinic acid
2-(4-Methyl-pyridin-3-yl)-1H-imidazo[4,5-b]pyridine
Conditions | Yield |
---|---|
With PPA at 210℃; for 2h; | 98% |
2,3-Diaminopyridine
carbon monoxide
1,3-dihydro-imidazo[4,5-b]pyridin-2-one
Conditions | Yield |
---|---|
With selenium In tetrahydrofuran at 100℃; under 22800.7 Torr; for 20h; | 98% |
2,3-Diaminopyridine
C11H12N2OS3
(3H-Imidazo[4,5-b]pyridin-2-yl)-(6-methoxy-benzothiazol-2-yl)-amine
Conditions | Yield |
---|---|
In various solvent(s) Heating; | 98% |
Conditions | Yield |
---|---|
With PPA for 3h; Heating; | 98% |
With polyphosphoric acid at 100℃; for 5h; | 80% |
With PPA at 100℃; for 5h; | 62% |
2,3-Diaminopyridine
2-methyl-1H-imidazo[4,5-c]pyridine
2-(1H-Imidazo[4,5-c]pyridin-2-yl)-3H-imidazo[4,5-b]pyridine
Conditions | Yield |
---|---|
With sulfur at 200 - 210℃; for 4h; | 98% |
Conditions | Yield |
---|---|
With silica-supported bismuth(III) chloride In methanol at 20℃; for 0.166667h; Catalytic behavior; regioselective reaction; | 98% |
With bismuth(lll) trifluoromethanesulfonate In water at 20℃; for 0.0833333h; | 92% |
With (2,3,4,5,6-pentafluorophenyl)ammonium triflate In water at 20℃; for 1h; Green chemistry; | 92% |
In ethanol Heating; | 77% |
2,3-Diaminopyridine
2-methyl-benzyl alcohol
N,N′-bis(salicyliden)-2,3-diaminopyridine
Conditions | Yield |
---|---|
for 0.0333333h; microwave irradiation; | 98% |
2,3-Diaminopyridine
zinc(II) acetate dihydrate
salicylaldehyde
[N,N′-bis(salicylidene)-2,3-diiminopyridine]zinc(II)
Conditions | Yield |
---|---|
In methanol at 70℃; for 4h; | 98% |
In methanol under N2; salicylaldehyde in MeOH treated with Zn salt, mixt. stirred atroom temp., 2,3-diaminopyridine added, mixt. stirred; ppt. filtered off, washed with MeOH; elem. anal.; | 77% |
2,3-Diaminopyridine
zinc(II) acetate dihydrate
[N,N-bis(4-hexadecyloxy-2-hydroxybenzylidene)-2,3-pyridinediaminato]zinc(II)
Conditions | Yield |
---|---|
In ethanol under N2; to a soln. of 4-alcoxy-2-hydroxybenzaldehyde (1.00 mmol) in ethanol, diamine (0.500 mmol) was added under stirring; mixt. was heated at reflux with stirring for 1 h; Zn-contg. compd. (0.500 mmol) addn.; heating at reflux with stirring for 1 h; after cooling, the ppt was collected by filtration, washed with ethanol and dried; elem. anal.; | 98% |
Conditions | Yield |
---|---|
at 100℃; | 98% |
In water at 60℃; for 2h; | 81% |
for 4h; Reflux; | 75% |
2,3-Diaminopyridine
Dimethyl N-(4-chloro-2-benzothiazolyl)-dithiocarbonimidate
(4-Chloro-benzothiazol-2-yl)-(3H-imidazo[4,5-b]pyridin-2-yl)-amine
Conditions | Yield |
---|---|
In various solvent(s) Heating; | 97% |
2,3-Diaminopyridine
ethyl 2-cyanoacetate
2-(3H-imidazo[4,5-b]pyridin-2-yl)acetonitrile
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 110℃; Microwave irradiation; | 97% |
at 180℃; for 2h; | 75% |
at 110 - 115℃; for 14h; Neat (no solvent); | 70% |
2,3-Diaminopyridine
trifluoroacetic acid
2-Trifluoromethyl-3H-imidazo<4,5-b>pyridine
Conditions | Yield |
---|---|
for 48h; Heating; | 97% |
Conditions | Yield |
---|---|
With acetic acid In ethanol Reflux; | 97% |
With zirconium(IV) chloride In methanol at 20℃; for 4h; | 95% |
With SBA-15 mesoporous silica supported Fe(III)-Schiff base In water for 2h; Reflux; | 95% |
2,3-Diaminopyridine
Thiazole-4-carboxylic acid
4-(1H-imidazo[4,5-b]pyridin-2-yl)thiazole
Conditions | Yield |
---|---|
With PPA at 180℃; for 2h; | 97% |
2,3-Diaminopyridine
di(2-azulenyl)ethanedione
2,3-di(2-azulenyl)-5.azaquinoxaline
Conditions | Yield |
---|---|
In ethanol for 20h; Reflux; | 97% |
2,3-Diaminopyridine
1,2-bis(4-fluorophenyl)ethane-1,2-dione
2,3-bis(4-fluorophenyl)pyrido[2,3-b]pyrazine
Conditions | Yield |
---|---|
With SBA-15 mesoporous silica supported Fe(III)-Schiff base In water for 2h; Reflux; | 97% |
With Cu(II)-Schiff base/SBA-15 In water for 2h; Reflux; | 96% |
With zirconium oxide salicylaldehyde-(3-aminopropyl)trimethoxysilane imine complex modified SBA-15 In water for 2h; Reflux; | 96% |
Conditions | Yield |
---|---|
In ethylene glycol at 80℃; for 0.2h; Microwave irradiation; Green chemistry; chemoselective reaction; | 97% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 110℃; Microwave irradiation; | 97% |
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