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Cas Database |
| Name |
4-Bromo-2,6-diaminopyridine |
EINECS | -0 |
| CAS No. | 329974-09-6 | Density | 1.818 g/cm3 |
| PSA | 64.93000 | LogP | 2.17090 |
| Solubility | N/A | Melting Point |
126 °C |
| Formula | C5H6BrN3 | Boiling Point | 352.697 °C at 760 mmHg |
| Molecular Weight | 188.027 | Flash Point | 167.105 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | 26-36 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols | Xi |
| Synonyms |
2,6-Diamino-4-bromopyridine;4-Bromo-2,6-diaminopyridine;4-bromopyridine-2,6-diamine; |
Article Data | 8 |
4-Bromo-2,6-diaminopyridine Synthetic route
- 410534-47-3
(4-bromo-6-tert-butoxycarbonylamino-pyridin-2-yl)-carbamic acid tert-butyl ester
- 329974-09-6
4-bromo-pyridine-2,6-diamine
| Conditions | Yield |
|---|---|
| With trifluoroacetic acid In dichloromethane | 74% |
| With trifluoroacetic acid In toluene for 2h; Reflux; | 209 mg |
- 329974-10-9
4-bromo-pyridine-2,6-dicarbonyl diazide
- 329974-09-6
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% |
- 329974-09-6
4-bromo-pyridine-2,6-diamine
| Conditions | Yield |
|---|---|
| With sulfuric acid at 40℃; for 1.5h; | 68.5% |
- 1310-73-2
sodium hydroxide
- 76-05-1
trifluoroacetic acid
- 329974-10-9
4-bromo-pyridine-2,6-dicarbonyl diazide
- 329974-09-6
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% |
- 329974-09-6
4-bromo-pyridine-2,6-diamine
| Conditions | Yield |
|---|---|
| With iron; acetic acid In water at 100℃; for 2h; | 59.4% |
- 2408-70-0
2,4,6-tribromopyridine
A
- 39771-34-1
4-amino-2,6-dibromopyridine
B
- 329974-09-6
4-bromo-pyridine-2,6-diamine
| Conditions | Yield |
|---|---|
| With ammonia In water | A n/a B 25% C n/a |
- 2408-70-0
2,4,6-tribromopyridine
- 329974-09-6
4-bromo-pyridine-2,6-diamine
| Conditions | Yield |
|---|---|
| With ammonium hydroxide at 200℃; |
- 668992-72-1
4-bromopyridine-2,6-biscarbonamide
- 329974-09-6
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; |
- 1206250-19-2
C5H4BrClN2
- 329974-09-6
4-bromo-pyridine-2,6-diamine
| Conditions | Yield |
|---|---|
| With ammonia |
- 626-05-1
2,6-Dibromopyridine
- 329974-09-6
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 |
4-Bromo-2,6-diaminopyridine Chemical Properties
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
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.
4-Bromo-2,6-diaminopyridine Uses
2,6-Pyridinediamine,4-bromo- (CAS NO.329974-09-6) is used in organic synthesis .
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