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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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inquiry2-(methoxymethylene)malononitrile
methylhydrazine
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
With sulfuric acid; sodium carbonate In ethanol Solvent; Reflux; | 81.6% |
In ethanol Reflux; |
methylhydrazine
Ethoxymethylenemalononitrile
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
In ethanol for 1h; Heating; | 78% |
In ethanol for 1h; Heating; | 70% |
In ethanol for 1h; Reflux; | 50% |
acetonitrile
Ethoxymethylenemalononitrile
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 78% |
methylhydrazine sulfuric acid
Ethoxymethylenemalononitrile
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
With triethylamine In methanol Reflux; | 77% |
With triethylamine In methanol Reflux; | 77% |
With triethylamine In methanol Reflux; | 77% |
Conditions | Yield |
---|---|
With triethylamine In methanol Reflux; | 77% |
3-Amino-4-cyanopyrazole
methyl iodide
A
3-amino-1-methyl-1H-pyrazole-4-carbonitrile
B
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100 - 120℃; | A 67.3% B n/a |
methylhydrazine
Ethoxymethylenemalononitrile
A
3-amino-1-methyl-1H-pyrazole-4-carbonitrile
B
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
In ethanol at 0 - 70℃; for 17.5h; Inert atmosphere; regioselective reaction; | A 15 %Chromat. B 49% |
N-amino-N-methyl-N'-(1-methyl-4-cyanopyrazol-5-yl)-formamidine
A
5-amino-4-cyano-1-methylpyrazole
B
3-(5-amino-1-methylpyrazol-4yl)-1methyl-1,2,4-triazole
Conditions | Yield |
---|---|
With trifluoroacetic acid In methanol; toluene for 72h; Heating; | A 48% B 43% |
With trifluoroacetic acid In methanol; toluene Heating; | A 48% B 43% |
orthoformic acid triethyl ester
methylhydrazine
malononitrile
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
In ethanol for 2h; Heating; | 17% |
In ethanol Heating; |
4-cyano-5-<(methoxymethylene)amino>-1-methylpyrazole
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 89 percent / acetonitrile / Ambient temperature 2: 48 percent / trifluoroacetic acid / toluene; methanol / 72 h / Heating View Scheme |
cis,trans-2,5-dimethoxytetrahydrofuran
5-amino-4-cyano-1-methylpyrazole
4-cyano-1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole
Conditions | Yield |
---|---|
With acetic acid for 0.5h; Heating; | 100% |
In acetic acid for 0.5h; Heating; | 95% |
5-amino-4-cyano-1-methylpyrazole
5-amino-1-methyl-1H-pyrazole-4-carboxylic acid amide
Conditions | Yield |
---|---|
Stage #1: 5-amino-4-cyano-1-methylpyrazole With sulfuric acid at 20℃; for 1h; Stage #2: With ammonia; water pH=8; Product distribution / selectivity; Cooling with ice; | 91% |
With sodium hydroxide; water; dihydrogen peroxide In methanol at 20℃; Product distribution / selectivity; | 87% |
5-amino-4-cyano-1-methylpyrazole
N,N-dimethyl acetamide
5-<1-(dimethylamino)ethylideneamino>-1-methylpyrazole-4-carbonitrile
Conditions | Yield |
---|---|
With trichlorophosphate In acetonitrile for 0.0833333h; Ambient temperature; | 90% |
Conditions | Yield |
---|---|
With phosphoric acid at 170 - 180℃; for 20h; | 90% |
Conditions | Yield |
---|---|
for 8h; Heating; | 90% |
5-amino-4-cyano-1-methylpyrazole
trimethyl orthoformate
4-cyano-5-<(methoxymethylene)amino>-1-methylpyrazole
Conditions | Yield |
---|---|
With trifluoroacetic acid for 1h; Heating; | 86% |
trifluoroacetic acid for 1h; Heating; | 86% |
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
Stage #1: 5-amino-4-cyano-1-methylpyrazole With sodium azide In toluene Reflux; Stage #2: With hydrogenchloride In methanol; toluene at 20℃; Solvent; | 86% |
With manganese(II) bromide; sodium azide In 2-methoxy-ethanol at 65℃; for 18h; Reagent/catalyst; Solvent; Temperature; | 60% |
5-amino-4-cyano-1-methylpyrazole
orthoformic acid triethyl ester
N-(4-cyano-2-methyl-2H-pyrazol-3-yl)-formimidic acid ethyl ester
Conditions | Yield |
---|---|
for 6h; Reflux; | 84% |
5-amino-4-cyano-1-methylpyrazole
5-chloro-1-methyl-1H-pyrazole-4-carbonitrile
Conditions | Yield |
---|---|
Stage #1: 5-amino-4-cyano-1-methylpyrazole With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: With urea; copper(l) chloride In water at 0 - 20℃; | 84% |
Stage #1: 5-amino-4-cyano-1-methylpyrazole With hydrogenchloride In water at 20℃; Stage #2: With sodium nitrite In water at 0 - 5℃; Stage #3: With urea; copper(l) chloride In water at 0 - 20℃; | |
Stage #1: 5-amino-4-cyano-1-methylpyrazole With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: With urea; copper(l) chloride In water at 0 - 20℃; |
5-amino-4-cyano-1-methylpyrazole
N,N-dimethylacetamide dimethyl acetal
5-<1-(dimethylamino)ethylideneamino>-1-methylpyrazole-4-carbonitrile
Conditions | Yield |
---|---|
In acetonitrile | 77% |
carbon disulfide
5-amino-4-cyano-1-methylpyrazole
1-methylpyrazolo[3,4-d]pyrimidin-4,6(5H,7H)-dithione
Conditions | Yield |
---|---|
With pyridine for 10h; Heating; | 75.9% |
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
With hydrogen; T-1 Raney Nickel In acetic acid under 760 Torr; for 72h; Ambient temperature; | 73% |
5-amino-4-cyano-1-methylpyrazole
methyl isocyanate
4-Amino-1,5-dimethyl-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-6-one
Conditions | Yield |
---|---|
With sodium methylate In N,N-dimethyl-formamide at 60℃; for 12h; | 72% |
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
With hydrogen bromide; copper(I) bromide; sodium nitrite In water at 0 - 20℃; | 72% |
With hydrogen bromide; copper(I) bromide; sodium nitrite In water at 0 - 20℃; | 72% |
With hydrogen bromide; copper(I) bromide; sodium nitrite In water at 0 - 20℃; | 69% |
Stage #1: 5-amino-4-cyano-1-methylpyrazole With hydrogen bromide In water at 0 - 5℃; Stage #2: With copper(I) bromide; sodium nitrite In water at 0 - 20℃; | 69% |
5-amino-4-cyano-1-methylpyrazole
7-Methyl-4-oxo-3,4-dihydro-7H-pyrazolo<3,4-d>-1,2,3-triazin-N2-oxid
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 0 - 5℃; for 2h; | 70% |
5-amino-4-cyano-1-methylpyrazole
6-(3,5-dimethylpyrazol-1-yl)-1,2,4-triazolo<4,3-b><1,2,4,5>tetrazine
5-([1,2,4]triazolo[4,3-b][1,2,4,5]tetrazin-6-ylamino)-1-methyl-1H-pyrazole-4-carbonitrile
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 80℃; for 4h; Reflux; Inert atmosphere; chemoselective reaction; | 69% |
Conditions | Yield |
---|---|
In water; acetone | 65% |
5-amino-4-cyano-1-methylpyrazole
carbon dioxide
1-Methyl-1H-pyrazolo<3,4-d>pyrimidine-4,6(5H,7H)-dione
Conditions | Yield |
---|---|
With 1,5-diazabicyclo[4.3.0]non-5-ene 2,2,2-trifluoroethanol at 90℃; for 72h; | 65% |
With 1,5-diazabicyclo[4.3.0]non-5-ene 2,2,2-trifluoroethanol at 90℃; under 760.051 Torr; for 72h; Green chemistry; | 65% |
Conditions | Yield |
---|---|
Stage #1: 5-amino-4-cyano-1-methylpyrazole With sodium hydride In ethanol at 10℃; for 0.5h; Stage #2: ethyl trifluoroacetate, In ethanol at 80℃; for 8h; | 64% |
5-amino-4-cyano-1-methylpyrazole
phenyl isothiocyanate
4-imino-1-methyl-5-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-thione
Conditions | Yield |
---|---|
Stage #1: 5-amino-4-cyano-1-methylpyrazole; phenyl isothiocyanate With potassium hydroxide In N,N-dimethyl-formamide for 2.5h; Heating; Stage #2: With acetic acid In water; N,N-dimethyl-formamide | 55% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In tetrahydrofuran; 1,2-dichloro-ethane at 85℃; for 2h; | 52% |
Conditions | Yield |
---|---|
With tetrahydrofuran at 0 - 70℃; for 2h; | 52% |
5-amino-4-cyano-1-methylpyrazole
4,5-dichloro-1,2,3-dithiazolium chloride
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; for 7h; | 50% |
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