282-284<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:="" "times="" new="" roman";mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:="" minor-latin;mso-bidi-font-family:calibri;mso-bidi-theme-font:minor-latin;="" mso-ansi-language:en-us;mso-fareast-language:en-us;mso-bidi-language:ar-sa"="">Preparation of 2-(aryl/hetaryl)azothiophene derivatives (VIa-g) was achieved by coupling 3,4-dihydroxy-5-(4-nitrophenyl)-thiophene-1, 1-dioxide-2-carboxylic acid (III) with diazonium salts (Va-g) derived from aryl and hetaryl amines (IVa-g).The intermediate III was obtained in excellent yield by the condensation of diethyl oxalate and 4-nitrobenzyl...
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Disperse Dyes are aromatic heterocyclic organic compound. Advances over the last decade concerning t...
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A series of novel 5-arylazo-thiazol-2-ylcarbamoyl-thiophene derivatives was synthesized and their ch...
AbstractA series of thiophene incorporating pyrazolone moieties 5a–f and 6a–c were synthesized via d...
A series of thiophene incorporating pyrazolone moieties 5a–f and 6a–c were synthesized via diazo cou...
190-197<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-asci...
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Disperse Dyes are aromatic heterocyclic organic compound. Advances over the last decade concerning t...
153-157<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-asci...
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45-49<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-ascii-...
A series of novel 5-arylazo-thiazol-2-ylcarbamoyl-thiophene derivatives was synthesized and their ch...
AbstractA series of thiophene incorporating pyrazolone moieties 5a–f and 6a–c were synthesized via d...
A series of thiophene incorporating pyrazolone moieties 5a–f and 6a–c were synthesized via diazo cou...
190-197<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-asci...
79-81<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-ascii-...
Disperse Dyes are aromatic heterocyclic organic compound. Advances over the last decade concerning t...