The novel carbazole derivative — 3-biacetyl-6-benzoyl-N-ethylcarbazole was synthesized through alkylation and Friedel-Crafts acylation from carbazole.The structure of the target compound was characterized by 1HNMR,13...The novel carbazole derivative — 3-biacetyl-6-benzoyl-N-ethylcarbazole was synthesized through alkylation and Friedel-Crafts acylation from carbazole.The structure of the target compound was characterized by 1HNMR,13CNMR,UV,IR and elemental analysis.The optimal synthetical conditions for the monoacylation was achieved by carrying out orthogonal experiments:when the mole ratio of benzoyl chloride and N-ethyl-carbazole was1.2:1,while the mole ratio of catalyst and N-ethylcarbazole was 1.2:1 at 25℃for 3h.The yield was about 94.6%.展开更多
将N-乙基-N-苄基苯胺-3’-磺酸与苯甲醛邻磺酸钠缩合后,在磷酸的存在下用自制的新鲜二氧化锰作氧化剂进行氧化反应,然后在氨水的存在下,使Mn++以络合物的形式产生沉淀过滤除去Mn++,直接喷雾干燥得到酸性翠蓝AE(C.I.Acid Blue 9,42090),...将N-乙基-N-苄基苯胺-3’-磺酸与苯甲醛邻磺酸钠缩合后,在磷酸的存在下用自制的新鲜二氧化锰作氧化剂进行氧化反应,然后在氨水的存在下,使Mn++以络合物的形式产生沉淀过滤除去Mn++,直接喷雾干燥得到酸性翠蓝AE(C.I.Acid Blue 9,42090),产品中锰的含量为15ppm^50ppm,系统地测定了染料的染色性能和色牢度。展开更多
文摘The novel carbazole derivative — 3-biacetyl-6-benzoyl-N-ethylcarbazole was synthesized through alkylation and Friedel-Crafts acylation from carbazole.The structure of the target compound was characterized by 1HNMR,13CNMR,UV,IR and elemental analysis.The optimal synthetical conditions for the monoacylation was achieved by carrying out orthogonal experiments:when the mole ratio of benzoyl chloride and N-ethyl-carbazole was1.2:1,while the mole ratio of catalyst and N-ethylcarbazole was 1.2:1 at 25℃for 3h.The yield was about 94.6%.
基金Foundation item:National Natural Science Foundation of China(51205387)Science and Technology Commission of Shanghai(11nm0500300)Science and Technology Commission of Shanghai(14XD1425300)
文摘将N-乙基-N-苄基苯胺-3’-磺酸与苯甲醛邻磺酸钠缩合后,在磷酸的存在下用自制的新鲜二氧化锰作氧化剂进行氧化反应,然后在氨水的存在下,使Mn++以络合物的形式产生沉淀过滤除去Mn++,直接喷雾干燥得到酸性翠蓝AE(C.I.Acid Blue 9,42090),产品中锰的含量为15ppm^50ppm,系统地测定了染料的染色性能和色牢度。