室温下,用醋酸硝酰(浓硝酸与冰醋酸混合物)将10-羟基-5,10-二氢磷杂吖嗪-10-氧化物硝化5 h,得10-羟基-2-硝基-5,10-二氢磷杂吖嗪-10-氧化物(74%)。后者在中性介质中,用5%Pd/C作催化剂,氢化还原得到2-氨基-10-羟基-5,10-二氢磷杂吖嗪-10...室温下,用醋酸硝酰(浓硝酸与冰醋酸混合物)将10-羟基-5,10-二氢磷杂吖嗪-10-氧化物硝化5 h,得10-羟基-2-硝基-5,10-二氢磷杂吖嗪-10-氧化物(74%)。后者在中性介质中,用5%Pd/C作催化剂,氢化还原得到2-氨基-10-羟基-5,10-二氢磷杂吖嗪-10-氧化物(70%)。经过Salmonella/m amm alian m icrosom e assay测试,该氨基物表现为非诱变性,用它作为重氮组分,分别与3种吡唑啉酮系衍生物偶合得到3种红色酸性偶氮染料。研究了这些染料的光谱性质及其应用性能。结果表明,所合成的新染料比由一般芳香胺与吡唑啉酮形成的偶氮化合物具有深色效应。用波谱分析确定了中间体及其染料的结构。展开更多
2-nitro-10-hydroxy-5,10-dihydrophenophosphazine-10-oxide can be reduced easily with hydrous hydrazine by Fe/MgO catalyst.The reduced compound was detected by IR and HNMR.It showed that the reduction yield is 94%.The c...2-nitro-10-hydroxy-5,10-dihydrophenophosphazine-10-oxide can be reduced easily with hydrous hydrazine by Fe/MgO catalyst.The reduced compound was detected by IR and HNMR.It showed that the reduction yield is 94%.The catalyst can be used in reduction for three times.This reduction method has a lower cost,less pollution to environment and suit to the industrializing demand for dye intermediate production.展开更多
文摘室温下,用醋酸硝酰(浓硝酸与冰醋酸混合物)将10-羟基-5,10-二氢磷杂吖嗪-10-氧化物硝化5 h,得10-羟基-2-硝基-5,10-二氢磷杂吖嗪-10-氧化物(74%)。后者在中性介质中,用5%Pd/C作催化剂,氢化还原得到2-氨基-10-羟基-5,10-二氢磷杂吖嗪-10-氧化物(70%)。经过Salmonella/m amm alian m icrosom e assay测试,该氨基物表现为非诱变性,用它作为重氮组分,分别与3种吡唑啉酮系衍生物偶合得到3种红色酸性偶氮染料。研究了这些染料的光谱性质及其应用性能。结果表明,所合成的新染料比由一般芳香胺与吡唑啉酮形成的偶氮化合物具有深色效应。用波谱分析确定了中间体及其染料的结构。
文摘2-nitro-10-hydroxy-5,10-dihydrophenophosphazine-10-oxide can be reduced easily with hydrous hydrazine by Fe/MgO catalyst.The reduced compound was detected by IR and HNMR.It showed that the reduction yield is 94%.The catalyst can be used in reduction for three times.This reduction method has a lower cost,less pollution to environment and suit to the industrializing demand for dye intermediate production.
