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CAS No.: | 1904-31-0 |
---|---|
Name: | 1-Methyl-1H-pyrazol-3-amine |
Article Data: | 11 |
Molecular Structure: | |
Formula: | C4H7N3 |
Molecular Weight: | 97.1197 |
Synonyms: | 1-methyl-1H-pyrazol-3-amine; |
Density: | 1.224 g/cm3 |
Boiling Point: | 231.414 °C at 760 mmHg |
Flash Point: | 93.756 °C |
Solubility: | Slightly soluble in water. |
Appearance: | Colorless to light yellow liquid |
Hazard Symbols: | Xn,Xi |
Risk Codes: | 22-36/37/38 |
Safety: | 26-36/37/39 |
PSA: | 43.84000 |
LogP: | 0.58350 |
1-methyl-3-nitro-1H-pyrazole
A
1,1'-dimethyl-3-azoxypyrazole
B
methyl-1 amino-3 pyrazole
Conditions | Yield |
---|---|
With hydrazine hydrate; nickel In ethanol Heating; | A 54% B 7.1 g |
4-iodo-1-methyl-3-nitro-1H-pyrazole
methyl-1 amino-3 pyrazole
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride In water at 30℃; for 2h; Reduction; | 51% |
N-(1-methyl-3-pyrazolyl)-acetoacetamide
A
2,4-dimethyl-2H-pyrazolo<3,4-b>pyridin-6(7H)-one
B
methyl-1 amino-3 pyrazole
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol for 3h; Heating; | A 21% B 15% |
1-methyl-3-nitro-1H-pyrazole
methyl-1 amino-3 pyrazole
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride Reduction; | |
With hydrogen In methanol for 3h; |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; | 100% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 2h; | 100% |
In tetrahydrofuran at 0 - 20℃; for 2h; | 100% |
Conditions | Yield |
---|---|
With pyridine In chloroform at 20℃; for 48h; chemoselective reaction; | 99% |
Conditions | Yield |
---|---|
With pyridine In chloroform at 20℃; for 48h; chemoselective reaction; | 99% |
Conditions | Yield |
---|---|
With copper(l) iodide; N-(2,6-dimethylphenyl)-6-hydroxypicolinamide; potassium carbonate In dimethyl sulfoxide at 110℃; | 99% |
2,5-hexanedione
methyl-1 amino-3 pyrazole
3-(2,5-dimethyl-1H-pyrrol-1-yl)-1-methyl-1H-pyrazole
Conditions | Yield |
---|---|
toluene-4-sulfonic acid In toluene for 4h; Reflux; | 98% |
With acetic acid In toluene at 155℃; | 98.1% |
With toluene-4-sulfonic acid In benzene at 115℃; for 4h; | 94% |
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