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inquiryProduct Description Product website: http://www.finerchem.com Product Name 6-Chloro-2,3-diaminopyridine CAS No.
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inquiry6-Chloro-2,3-diaminopyridine Basic information Product Name: 6-Chloro-2,3-diaminopyridine Synonyms: 6-Chloro-2,3-diaminopyridine;
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6-Chloro-2,3-diaminopyridine cas 40851-95-4Appearance: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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6-chloro-2-nitropyridine-3-amine
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With hydrogen; Raney nickel In methanol at 20℃; for 24h; | 95.6% |
With hydrogen In methanol at 20℃; for 24h; | 95.6% |
With methanol at 20℃; for 24h; | |
With Raney nickel In methanol at 20℃; for 24h; | |
With Raney Nickel In methanol at 20℃; for 24h; |
2-amino-6-chloro-3-nitropyridine
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With iron; ammonium chloride In water; ethyl acetate at 20℃; for 24h; | 93.7% |
With iron; ammonium chloride In water; isopropyl alcohol at 90℃; for 1h; | 91% |
With sodium tetrahydroborate In ethanol; water at 20℃; for 4h; chemoselective reaction; | 91% |
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% |
2-amino-6-chloro-3-nitropyridine
tert-butyl alcohol
A
6-chloropyridine-2,3-diamine
B
N3-(tert-butyl)-6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
Stage #1: 2-amino-6-chloro-3-nitropyridine; tert-butyl alcohol With tin(II) chloride dihdyrate In ethyl acetate at 60℃; for 1h; Stage #2: With sodium tetrahydroborate In ethyl acetate at 60℃; for 3h; | A 43% B 30% |
2-amino-3-nitropyridine
A
2,3-Diaminopyridine
B
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With hydrogenchloride; tin |
ethyl (2-acetamido-6-chloro-3-pyridyl)aminomethylenemalonate
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With PPA at 80℃; for 0.166667h; |
hydrogenchloride
2-amino-3-nitropyridine
A
2,3-Diaminopyridine
B
6-chloropyridine-2,3-diamine
2-amino-3-nitropyridine
A
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With hydrogenchloride; tin |
2,6-dicholoro-3-nitropyridine
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 75 percent / NH3 / ethanol 2: 92 percent / acetic acid, conc. H2SO4 / 2 h / Heating 3: aluminum amalgam, water / ethanol / 4 h / 40 °C 4: 52 percent / 2 h / 100 °C 5: 85percent polyphosphoric acid / 0.17 h / 80 °C View Scheme | |
Multi-step reaction with 2 steps 1: 75 percent / NH3 / ethanol 2: aluminum amalgam, water / ethanol / 4 h / 40 °C View Scheme | |
Multi-step reaction with 2 steps 1: ammonia / ethanol / 0 - 20 °C 2: ammonium chloride; iron / ethyl acetate; water / 24 h / 20 °C View Scheme |
2-acetamido-3-amino-6-chloropyridine
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 52 percent / 2 h / 100 °C 2: 85percent polyphosphoric acid / 0.17 h / 80 °C View Scheme |
2-acetamido-6-chloro-3-nitropyridine
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: aluminum amalgam, water / ethanol / 4 h / 40 °C 2: 52 percent / 2 h / 100 °C 3: 85percent polyphosphoric acid / 0.17 h / 80 °C View Scheme |
2-amino-6-chloro-3-nitropyridine
tert-butyl alcohol
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With sodium borohydrid; sodium chloride; potassium carbonate In hexane; ethyl acetate |
5-bromo-3-nitro-pyridin-2-ylamine
tert-butyl alcohol
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With sodium borohydrid In ethyl acetate |
2-amino-5-chloro-3-nitropyridine
tert-butyl alcohol
6-chloropyridine-2,3-diamine
Conditions | Yield |
---|---|
With sodium borohydrid In ethyl acetate |
6-chloropyridine-2,3-diamine
Glyoxal
6-chloropyrido[2,3-b]pyrazine
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 2h; | 100% |
With acetic acid In methanol; water at 50℃; for 4h; |
6-chloropyridine-2,3-diamine
4-cyanobenzaldehyde
Conditions | Yield |
---|---|
With sodium metabisulfite; dimethyl sulfoxide at 165℃; for 0.25h; Inert atmosphere; Sealed tube; | 99% |
6-chloropyridine-2,3-diamine
trimethyl orthoformate
5-Chloro-3H-imidazo<4,5-b>pyridine
Conditions | Yield |
---|---|
With hydrogenchloride In water at 20℃; | 98% |
With hydrogenchloride In water at 20℃; |
6-chloropyridine-2,3-diamine
oxalic acid diethyl ester
6-chloro-1,4-dihydropyrido[2,3-b]pyrazine-2,3-dione
Conditions | Yield |
---|---|
at 130℃; for 15h; | 96% |
6-chloropyridine-2,3-diamine
orthoformic acid triethyl ester
5-chloro-1H-imidazo[4,5-b]pyridine
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 140℃; for 4h; | 95% |
With toluene-4-sulfonic acid for 5h; Reflux; | 59% |
In methanol for 3h; Reflux; | 58% |
6-chloropyridine-2,3-diamine
glycolic Acid
(5-chloro-1H-imidazo[4,5-b]pyridin-2-yl)methanol
Conditions | Yield |
---|---|
Stage #1: 6-chloropyridine-2,3-diamine; glycolic Acid at 150℃; for 4h; Stage #2: With hydrogenchloride In water at 60℃; | 94% |
In 5,5-dimethyl-1,3-cyclohexadiene at 150℃; for 4h; | 86% |
6-chloropyridine-2,3-diamine
oxalic acid
6-chloro-1,4-dihydropyrido[2,3-b]pyrazine-2,3-dione
Conditions | Yield |
---|---|
With hydrogenchloride In water at 100℃; for 6h; | 90.6% |
With hydrogenchloride Heating; Yield given; |
6-chloropyridine-2,3-diamine
glycolic Acid
(5-chloro-3H-imidazo[4,5-b]pyridin-2-yl)methanol
Conditions | Yield |
---|---|
at 150℃; for 4h; Cyclization; | 83% |
With hydrogenchloride; ammonium hydroxide |
6-chloropyridine-2,3-diamine
(4-cyanophenyl)propionic acid
N-(2-amino-6-chloropyridin-3-yl)-3-(4-cyanophenyl)propanamide
Conditions | Yield |
---|---|
Stage #1: (4-cyanophenyl)propionic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 50℃; for 0.5h; Stage #2: 6-chloropyridine-2,3-diamine In tetrahydrofuran at 50℃; for 6h; | 83% |
6-chloropyridine-2,3-diamine
N,N,2-trimethylpropionamide
Conditions | Yield |
---|---|
With acetic acid at 135℃; for 12h; | 77% |
6-chloropyridine-2,3-diamine
1,1'-carbonyldiimidazole
5-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one
Conditions | Yield |
---|---|
In chloroform for 5h; Heating; | 76% |
6-chloropyridine-2,3-diamine
p-benzyloxybenzaldehyde
Conditions | Yield |
---|---|
Stage #1: 6-chloropyridine-2,3-diamine; p-benzyloxybenzaldehyde In methanol at 120℃; for 0.25h; Microwave irradiation; Stage #2: With [bis(acetoxy)iodo]benzene In tetrahydrofuran at 20℃; for 18h; | 73% |
6-chloropyridine-2,3-diamine
4,4,4-trifluorobutanal
6-chloro-N3-(4,4,4-trifluorobutyl)-pyridine-2,3-diamine
Conditions | Yield |
---|---|
Stage #1: 6-chloropyridine-2,3-diamine; 4,4,4-trifluorobutanal In dichloromethane; acetic acid for 0.5h; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane; acetic acid at 20℃; | 70% |
Stage #1: 6-chloropyridine-2,3-diamine; 4,4,4-trifluorobutanal With acetic acid In dichloromethane for 0.5h; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; | 70% |
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; | 70% |
Stage #1: 6-chloropyridine-2,3-diamine; 4,4,4-trifluorobutanal With acetic acid In dichloromethane for 0.5h; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; | 70% |
6-chloropyridine-2,3-diamine
(4-cyanophenoxy)acetic acid
N-(2-amino-6-chloropyridin-3-yl)-2-(4-cyanophenoxy)acetamide
Conditions | Yield |
---|---|
Stage #1: (4-cyanophenoxy)acetic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 50℃; for 0.5h; Stage #2: 6-chloropyridine-2,3-diamine In tetrahydrofuran at 50℃; for 6h; | 70% |
carbon disulfide
6-chloropyridine-2,3-diamine
5-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridine-2-thione
Conditions | Yield |
---|---|
Stage #1: carbon disulfide; 6-chloropyridine-2,3-diamine With sodium hydroxide In ethanol Reflux; Stage #2: With hydrogenchloride In ethanol | 67% |
With pyridine In ethanol at 40℃; | |
With pyridine In ethanol at 40℃; |
6-chloropyridine-2,3-diamine
isovaleraldehyde
6-chloro-N3-isopentylpyridine-2,3-diamine
Conditions | Yield |
---|---|
Stage #1: 6-chloropyridine-2,3-diamine; isovaleraldehyde With acetic acid In dichloromethane for 0.5h; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; | 65% |
Stage #1: 6-chloropyridine-2,3-diamine; isovaleraldehyde With acetic acid In dichloromethane for 0.5h; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; | 65% |
6-chloropyridine-2,3-diamine
isocaproic aldehyde
6-chloro-N3-isopentylpyridine-2,3-diamine
Conditions | Yield |
---|---|
Stage #1: 6-chloropyridine-2,3-diamine; isocaproic aldehyde With acetic acid In dichloromethane for 0.5h; Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃; | 65% |
6-chloropyridine-2,3-diamine
(4-cyanophenyl)glycine
N-(2-amino-6-chloropyridin-3-yl)-2-[(4-cyanophenyl)amino]acetamide
Conditions | Yield |
---|---|
Stage #1: (4-cyanophenyl)glycine With 1,1'-carbonyldiimidazole In tetrahydrofuran at 50℃; for 0.5h; Stage #2: 6-chloropyridine-2,3-diamine In tetrahydrofuran at 50℃; for 6h; | 65% |
6-chloropyridine-2,3-diamine
2-fluoro-5-nitrobenzoic acid
5-chloro-2-(2-fluoro-5-nitrophenyl)-3H-imidazo[4,5-b]pyridine
Conditions | Yield |
---|---|
With polyphosphoric acid at 158 - 160℃; for 5h; | 62% |
6-chloropyridine-2,3-diamine
2-bromo-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one
C11H8ClN5
Conditions | Yield |
---|---|
Stage #1: 6-chloropyridine-2,3-diamine; 2-bromo-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one With N-ethyl-N,N-diisopropylamine In acetonitrile at 90℃; for 18h; Stage #2: With manganese(IV) oxide In acetonitrile at 20℃; for 15h; | 61% |
Stage #1: 6-chloropyridine-2,3-diamine; 2-bromo-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one With N-ethyl-N,N-diisopropylamine In acetonitrile at 90℃; for 18h; Stage #2: With manganese(IV) oxide In acetonitrile at 20℃; for 0.25h; | 61% |
Conditions | Yield |
---|---|
Stage #1: 6-chloropyridine-2,3-diamine; 4-[(1R)-1-phenylethoxy]benzaldehyde In methanol at 90℃; for 0.5h; Stage #2: With [bis(acetoxy)iodo]benzene In tetrahydrofuran at 20℃; | 58% |
6-chloropyridine-2,3-diamine
pyruvic acid methyl ester
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 96h; | 53% |
6-chloropyridine-2,3-diamine
ethyl bromoacetate
ethyl 2-(2-amino-6-chloropyridin-3-ylamino)acetate
Conditions | Yield |
---|---|
Stage #1: 6-chloropyridine-2,3-diamine With potassium carbonate In N,N-dimethyl-formamide for 0.5h; Stage #2: ethyl bromoacetate In N,N-dimethyl-formamide at 60 - 70℃; for 3h; | 50.5% |
Stage #1: 6-chloropyridine-2,3-diamine With potassium carbonate In N,N-dimethyl-formamide for 0.5h; Stage #2: ethyl bromoacetate In N,N-dimethyl-formamide at 60 - 70℃; for 3h; | 50.5% |
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 3h; | 39% |
6-chloropyridine-2,3-diamine
bis(trichloromethyl) carbonate
5-chloro-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one
Conditions | Yield |
---|---|
Stage #1: 6-chloropyridine-2,3-diamine; bis(trichloromethyl) carbonate With sodium hydroxide In dichloromethane; water Stage #2: With hydrogenchloride In dichloromethane; water | 47% |
6-chloropyridine-2,3-diamine
di-tert-butyl dicarbonate
Conditions | Yield |
---|---|
In tetrahydrofuran at 45℃; for 18h; | 47% |
6-chloropyridine-2,3-diamine
4-Fluorobenzoic acid
5-Chloro-2-(4-fluorophenyl)imidazo[4,5-b]pyridine
Conditions | Yield |
---|---|
In PPA | 44% |
6-chloropyridine-2,3-diamine
2,2-dihydroxy-1-phenyl-ethanone
Conditions | Yield |
---|---|
In 1,4-dioxane for 6h; Reflux; | A 44% B 14% |
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