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CAS No.: | 329974-09-6 |
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Name: | 4-Bromo-2,6-diaminopyridine |
Article Data: | 8 |
Molecular Structure: | |
Formula: | C5H6BrN3 |
Molecular Weight: | 188.027 |
Synonyms: | 2,6-Diamino-4-bromopyridine;4-Bromo-2,6-diaminopyridine;4-bromopyridine-2,6-diamine; |
EINECS: | -0 |
Density: | 1.818 g/cm3 |
Melting Point: | 126 °C |
Boiling Point: | 352.697 °C at 760 mmHg |
Flash Point: | 167.105 °C |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 26-36 |
PSA: | 64.93000 |
LogP: | 2.17090 |
(4-bromo-6-tert-butoxycarbonylamino-pyridin-2-yl)-carbamic acid tert-butyl ester
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
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With trifluoroacetic acid In dichloromethane | 74% |
With trifluoroacetic acid In toluene for 2h; Reflux; | 209 mg |
4-bromo-pyridine-2,6-dicarbonyl diazide
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
---|---|
Stage #1: 4-bromo-pyridine-2,6-dicarbonyl diazide With tert-butyl alcohol Heating; Stage #2: With trifluoroacetic acid In dichloromethane | 74% |
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
---|---|
With sulfuric acid at 40℃; for 1.5h; | 68.5% |
sodium hydroxide
trifluoroacetic acid
4-bromo-pyridine-2,6-dicarbonyl diazide
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
---|---|
Stage #1: 4-bromo-pyridine-2,6-dicarbonyl diazide In toluene; tert-butyl alcohol for 12h; Heating / reflux; Stage #2: trifluoroacetic acid In toluene for 2h; Heating / reflux; Stage #3: sodium hydroxide In diethyl ether; water | 67% |
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
---|---|
With iron; acetic acid In water at 100℃; for 2h; | 59.4% |
2,4,6-tribromopyridine
A
4-amino-2,6-dibromopyridine
B
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
---|---|
With ammonia In water | A n/a B 25% C n/a |
2,4,6-tribromopyridine
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
---|---|
With ammonium hydroxide at 200℃; |
4-bromopyridine-2,6-biscarbonamide
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
---|---|
With potassium hydroxide; bromine for 4h; Hofmann rearrangement; Heating; | |
With bromine; potassium hydroxide at 0 - 90℃; for 2.5h; |
C5H4BrClN2
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
---|---|
With ammonia |
2,6-Dibromopyridine
4-bromo-pyridine-2,6-diamine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: trifluoroacetic acid; dihydrogen peroxide / water / 5 h / 95 - 100 °C / Large scale 2: sulfuric acid; nitric acid / 20 h / 60 °C / Large scale 3: Acetyl bromide / acetic acid / 5 h / 60 - 80 °C 4: toluene / 2 h / 70 °C 5: sulfuric acid / 1.5 h / 40 °C View Scheme | |
Multi-step reaction with 5 steps 1: trifluoroacetic acid; dihydrogen peroxide / water / 5 h / 95 - 100 °C / Large scale 2: sulfuric acid; nitric acid / 20 h / 60 °C / Large scale 3: Acetyl bromide / acetic acid / 5 h / 60 - 80 °C 4: potassium carbonate / toluene / 21 h / 110 °C 5: sulfuric acid / 1.5 h / 40 °C View Scheme | |
Multi-step reaction with 5 steps 1: trifluoroacetic acid; dihydrogen peroxide / water / 5 h / 95 - 100 °C / Large scale 2: sulfuric acid; nitric acid / 20 h / 60 °C / Large scale 3: Acetyl bromide / acetic acid / 5 h / 60 - 80 °C 4: ammonium hydroxide / water / 3 h / 110 °C / Sealed tube 5: iron; acetic acid / water / 2 h / 100 °C View Scheme | |
Multi-step reaction with 5 steps 1: trifluoroacetic acid; dihydrogen peroxide / water / 5 h / 95 - 100 °C / Large scale 2: sulfuric acid; nitric acid / 20 h / 60 °C / Large scale 3: Acetyl bromide / acetic acid / 5 h / 60 - 80 °C 4: ammonium hydroxide / water / 5 h / 140 °C / Sealed tube 5: iron; acetic acid / water / 2 h / 100 °C View Scheme |
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Empirical Formula: C5H6BrN3
Molecular Weight: 188.0252
Polar Surface Area: 64.93 Å2
Index of Refraction: 1.712
Molar Refractivity: 40.507 cm3
Molar Volume: 103.402 cm3
Polarizability: 16.058 ×10-24 cm3
Surface Tension: 74.301 dyne/cm
Density: 1.818 g/cm3
Flash Point: 167.105 °C
Enthalpy of Vaporization: 59.754 kJ/mol
Boiling Point: 352.697 °C at 760 mmHg
The Cas Register Number of 2,6-Pyridinediamine,4-bromo- is 329974-09-6.The chemical synonyms of 2,6-Pyridinediamine,4-bromo-(CAS NO.329974-09-6) are 4-Bromopyridine-2,6-diamine .The molecular structure of 2,6-Pyridinediamine,4-bromo- (CAS NO.329974-09-6) is
.
2,6-Pyridinediamine,4-bromo- (CAS NO.329974-09-6) is used in organic synthesis .