Treatment of 6-hydroxy-5-phenylazo-2-thioxo-4(1H)-pyrimidinone 1 with a series of hydrazonoyl halides 2 and N,2-diaryl-diazinecarbohydrazonoyl halides 9 in dioxane in the presence of triethylamine under reflux furnishes 6-phenylazo and 3,6-bis(arylazo)-7-hydroxy-1H-[1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one derivatives 7 and 10, respectively. The biological activities of the products were evaluated
Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqThis study shows the ...
Department of Chemistry, University of Delhi, Delhi-110 007 Manuscript received 2 January 1978, acc...
2-Oxo-4-(2′-phenyl-5′-substituted 1H-indol-3′-yl)-6-phenylpyridin-3-carbnitriles (2a–c) and its deri...
3-Alkyl-5-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7(6H)-ones were prepared by nitrosative cyclizat...
4-Aryl-5-(pyridin-3-yl)-4H-1,2,4-triazole-3-(thi)oles 5-7, obtained starting from nicotinic acid hyd...
The reaction of 1,2-dihydro-6-(phenylamino)-2-thioxopyrimidin-4(3H)one (16) with N-arylhydrazonoyl h...
678-6813-Phenyl-hydrazono-1-indanone 1 on treatment with benzaldehyde gives 3-phenyl-hydrazono-2-ar...
New substituted 4-aryl-8-methyl-2-thioxo-1,2,3,4-tetrahydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one 8...
A novel series of 1,3,4-thiadiazoles, 5-arylazothiazoles and hexahydropyrimido-[4,5-d][1,2,4]triazol...
Abstract2-Thioxo-3,9,10,11-tetrahydro-1-phenyl-benzo[6′,7′]cyclohepta[1′,2′:4,5]pyrido[2,3-d]pyrimid...
The carbodiimides 2, obtained from aza-Wittig reactions of iminophosphorane 1 with aromatic isocyana...
The treatment of 4-{[(1E)-(2,4-dichlorophenyl)methylene]amino}-5-methyl-2,4-dihydro-3H-1,2,4-triazol...
5-(4'-aroyl)-aryloxy methyl-4H-1,2, 4)-triazolin-3-thiols were synthesized by using substituted phen...
690-694New 4-aryl/alkyl-1-(5',5'-diphenyl-4'-oxo-1'-H-4',5'-dihydroimidazolidin- 2'-yl)-3-hydroxy...
A series of novel 6-aryl-3-(D-glucoheptonic-hexitol-1-yi)-7H-1,2,4-triazolo[3,4-bl[1,3,41 thiadiazin...
Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqThis study shows the ...
Department of Chemistry, University of Delhi, Delhi-110 007 Manuscript received 2 January 1978, acc...
2-Oxo-4-(2′-phenyl-5′-substituted 1H-indol-3′-yl)-6-phenylpyridin-3-carbnitriles (2a–c) and its deri...
3-Alkyl-5-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7(6H)-ones were prepared by nitrosative cyclizat...
4-Aryl-5-(pyridin-3-yl)-4H-1,2,4-triazole-3-(thi)oles 5-7, obtained starting from nicotinic acid hyd...
The reaction of 1,2-dihydro-6-(phenylamino)-2-thioxopyrimidin-4(3H)one (16) with N-arylhydrazonoyl h...
678-6813-Phenyl-hydrazono-1-indanone 1 on treatment with benzaldehyde gives 3-phenyl-hydrazono-2-ar...
New substituted 4-aryl-8-methyl-2-thioxo-1,2,3,4-tetrahydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one 8...
A novel series of 1,3,4-thiadiazoles, 5-arylazothiazoles and hexahydropyrimido-[4,5-d][1,2,4]triazol...
Abstract2-Thioxo-3,9,10,11-tetrahydro-1-phenyl-benzo[6′,7′]cyclohepta[1′,2′:4,5]pyrido[2,3-d]pyrimid...
The carbodiimides 2, obtained from aza-Wittig reactions of iminophosphorane 1 with aromatic isocyana...
The treatment of 4-{[(1E)-(2,4-dichlorophenyl)methylene]amino}-5-methyl-2,4-dihydro-3H-1,2,4-triazol...
5-(4'-aroyl)-aryloxy methyl-4H-1,2, 4)-triazolin-3-thiols were synthesized by using substituted phen...
690-694New 4-aryl/alkyl-1-(5',5'-diphenyl-4'-oxo-1'-H-4',5'-dihydroimidazolidin- 2'-yl)-3-hydroxy...
A series of novel 6-aryl-3-(D-glucoheptonic-hexitol-1-yi)-7H-1,2,4-triazolo[3,4-bl[1,3,41 thiadiazin...
Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqThis study shows the ...
Department of Chemistry, University of Delhi, Delhi-110 007 Manuscript received 2 January 1978, acc...
2-Oxo-4-(2′-phenyl-5′-substituted 1H-indol-3′-yl)-6-phenylpyridin-3-carbnitriles (2a–c) and its deri...