Add to ORKGDiazotization of amide-N-substituted 4-amino-3-methylpyrazole-5-carboxamides 4 with sodium nitrite and acetic acid produces 3-substituted 7-methyl-5H-pyrazolo[4,3-d]- 1,2,3-triazin-4(3H)-ones 6 or amide-N-substituted 3-methyl-4-diazopyrazole- 5-carboxamides 5, depending on the substitution pattern
Previously synthesized azopyrazoles were reduced with hydrazine hydrate without a catalyst. This rea...
In this work pyrazolin derivatives were prepared from the diazonium chloride salt of 4-aminobenzoic...
International audienceThe scopes of three synthetic methods reported for the preparation of an array...
ABSTRACT. Pyrazoloazines are extremely useful in agriculture and medicine. The main objective of thi...
The 1H-pyrazole-3-carboxylic acid 2 and its remarkably stable acid chlorides 3 can easily be convert...
N-Bis(methylthio)methylenecyanamide (1) was allowed to react with ethylcyanoacetate or malononitrile...
Arylhydrazonomalononitriles 1a,b react with phenylhydrazine to yield amidrazones 2a,b that cyclize t...
Novel pyrazolo[1,5-a]-s-triazine, pyrazolo[1,5-c]-as-triazine, pyrazolo [1\u27,5\u27;1,2]imidazo[4,5...
N-(4H-1,2,4-Triazol-4-yl)acetamide (2) were prepared by reaction of 4-amino-4H-1,2,4-triazole (1) wi...
Reaction of 1,1,1-trichloro-4-methoxy-3-penten-2-one (1) with hydrazines (2a-h) (NH2NHR, R = H, Me, ...
A series of 6-aryl-5,6-dihydropyrazolo[1,5-d]-1,2,4-triazine-4,7-diones was synthesize...
In this study, 2-arylhydrazone-3-ketiminobutyronitriles were synthesised and reacted with hydrazine ...
Diazotisation of substituted arylamines followed by reaction with malononitrile gave substituted ary...
The 5,7-diamino[1,2,4]triazolo[1,5-a][1,3,5]triazines were synthesized by cyclocondensation of 3(5)-...
Novel 4,7-dihetarylpyrazolo[1,5-a][1,3,5]triazines were synthesized from three different approaches....
Previously synthesized azopyrazoles were reduced with hydrazine hydrate without a catalyst. This rea...
In this work pyrazolin derivatives were prepared from the diazonium chloride salt of 4-aminobenzoic...
International audienceThe scopes of three synthetic methods reported for the preparation of an array...
ABSTRACT. Pyrazoloazines are extremely useful in agriculture and medicine. The main objective of thi...
The 1H-pyrazole-3-carboxylic acid 2 and its remarkably stable acid chlorides 3 can easily be convert...
N-Bis(methylthio)methylenecyanamide (1) was allowed to react with ethylcyanoacetate or malononitrile...
Arylhydrazonomalononitriles 1a,b react with phenylhydrazine to yield amidrazones 2a,b that cyclize t...
Novel pyrazolo[1,5-a]-s-triazine, pyrazolo[1,5-c]-as-triazine, pyrazolo [1\u27,5\u27;1,2]imidazo[4,5...
N-(4H-1,2,4-Triazol-4-yl)acetamide (2) were prepared by reaction of 4-amino-4H-1,2,4-triazole (1) wi...
Reaction of 1,1,1-trichloro-4-methoxy-3-penten-2-one (1) with hydrazines (2a-h) (NH2NHR, R = H, Me, ...
A series of 6-aryl-5,6-dihydropyrazolo[1,5-d]-1,2,4-triazine-4,7-diones was synthesize...
In this study, 2-arylhydrazone-3-ketiminobutyronitriles were synthesised and reacted with hydrazine ...
Diazotisation of substituted arylamines followed by reaction with malononitrile gave substituted ary...
The 5,7-diamino[1,2,4]triazolo[1,5-a][1,3,5]triazines were synthesized by cyclocondensation of 3(5)-...
Novel 4,7-dihetarylpyrazolo[1,5-a][1,3,5]triazines were synthesized from three different approaches....
Previously synthesized azopyrazoles were reduced with hydrazine hydrate without a catalyst. This rea...
In this work pyrazolin derivatives were prepared from the diazonium chloride salt of 4-aminobenzoic...
International audienceThe scopes of three synthetic methods reported for the preparation of an array...