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CAS No.: | 22889-78-7 |
---|---|
Name: | 4-Amino-3,5-dichloropyridine |
Article Data: | 9 |
Molecular Structure: | |
Formula: | C5H4Cl2N2 |
Molecular Weight: | 163.006 |
Synonyms: | 3,5-dichloro-1H-pyridin-4-amine;3,5-Dichloropyridin-4-amine; |
EINECS: | 245-304-6 |
Density: | 1.497 g/cm3 |
Melting Point: | 159 °C |
Boiling Point: | 250.8 °C at 760 mmHg |
Flash Point: | 105.5 °C |
Appearance: | white to yellowish crystal |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 26-36 |
PSA: | 38.91000 |
LogP: | 2.55180 |
4-aminopyridine
3,5-dichloro-4-aminopyridine
Conditions | Yield |
---|---|
Stage #1: 4-aminopyridine With hydrogenchloride; dihydrogen peroxide In water at 10 - 72℃; for 3.25h; Stage #2: With sodium hydroxide In water at 45℃; for 0.5h; pH=9 - 10; Reagent/catalyst; Temperature; | 92.7% |
With hydrogenchloride; dihydrogen peroxide | |
With aqueous hydrogen peroxide In concentrated hydrochloric acid |
3,5-dichloro-4-aminopyridine
Conditions | Yield |
---|---|
With ammonia In methanol at 40 - 45℃; for 4h; Autoclave; | 89.7% |
3,5-dichloropyridine-4-carbonitrile
3,5-dichloro-4-aminopyridine
Conditions | Yield |
---|---|
With lithium amide In ammonia 0 deg C to RT; | 54% |
4-amino-3-chloropyridine
3,5-dichloro-4-aminopyridine
Conditions | Yield |
---|---|
With hydrogenchloride; dihydrogen peroxide |
3,4,5-trichloropyridine
3,5-dichloro-4-aminopyridine
Conditions | Yield |
---|---|
With ammonium hydroxide at 150℃; im Rohr; |
4-amino-3,5-dichloro-pyridine-2-carboxylic acid
3,5-dichloro-4-aminopyridine
Conditions | Yield |
---|---|
Erhitzen ueber den Schmelzpunkt; |
3,5-dichloro-4-aminopyridine
Conditions | Yield |
---|---|
beim Erhitzen ueber den Schmelzpunkt; |
Conditions | Yield |
---|---|
at 150℃; im Rohr; |
4-aminopyridine
hydrogenchloride
water
dihydrogen peroxide
3,5-dichloro-4-aminopyridine
hydrogenchloride
4-(nitroamino)pyridine
A
4-Chloropyridine
B
3,4,5-trichloropyridine
C
3,5-dichloro-4-aminopyridine
Conditions | Yield |
---|---|
at 100℃; |
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