1) nitrophenyl acetic acid
硝基苯乙酸
1.
A procedure on synthesis of nitrophenyl acetic acids with high yield of 100% has been developed catalysed by sodium methylate or ethylate partially instead of sodium phenolate at certain ratio of sodium alkoxide,nitrotoluene and sodium phenolate.
在硝基苯乙酸的合成中,采用醇钠代替部分苯酚钠,可使苯酚钠用量减少50%,产品收率仍可达100%。
2) ethyl phenyl nitrosamine
乙基苯基亚硝酸
3) o-nitrophenylacetic acid
邻硝基苯乙酸
1.
Indazole was synthesized in 71% yield by keeping the diazonation solution for 24 h at room temperature,which was prepared from reducing o-nitrophenylacetic acid with 8%(NH_4)_2S solution upon refluxing for(2 h) and diazotizing with HCl and NaNO_2.
以邻硝基甲苯为原料,在乙醇钠催化下与草酸二乙酯缩合,然后经水解、双氧水氧化、盐酸酸化得到邻硝基苯乙酸,收率62%。
2.
The results showed that under the conditions of the mole ratio of hydrazine hydrate to o-nitrophenylacetic acid is 3∶1,the quantity of c.
以邻硝基甲苯为原料在乙醇钠催化下与草酸二乙酯缩合、水解、双氧水氧化、盐酸酸化得到邻硝基苯乙酸收率为62%。
3.
o-nitrophenylacetic acid was synthesized by C2H5ONa-catalyzed condensation of o-nitrotoluene with diethyl oxalate and subsequently by hydrolysis,oxidation with H2O2 and acidation with HCl.
在乙醇钠催化下使邻硝基甲苯与草酸二乙酯缩合,然后经水解、双氧水氧化和盐酸酸化得到邻硝基苯乙酸,收率62%。
4) p-aminophenylacetic acid
对硝基苯乙酸
1.
The reduction of p-nitrophenylacetic acid by liquid phase catalytic hydrogenation for preparation of p-aminophenylacetic acid is studied,with Pd-C as catalyst and industrial methanol as solvent.
研究了以对硝基苯乙酸为原料,以Pd-C为催化剂,以去离子水为溶剂,液相催化加氢制备对氨基苯乙酸的还原反应,确定了最佳反应条件:反应温度60~80℃,反应压力0。
5) p-nitrophenylacetic acid
对硝基苯乙酸
1.
Study on the reduction reaction of p-nitrophenylacetic acid;
对硝基苯乙酸还原反应的研究
2.
The europium ternary solid complex containing p-nitrophenylacetic acid and 1,10-phenanthroline was synthesized in this work,and the chemical formula of this compound was determined to be EuL 3phen by elemental analysis.
本文合成了铕与对硝基苯乙酸 (HL)及邻菲罗啉的三元固体配合物 ,通过元素分析确定其配合物的组成为EuL3phen。
6) 4-nitrophenoxyacetic acid
4-硝基苯氧乙酸
补充资料:4-硝基苯乙酸
分子式:C8H7NO4
分子量:181.15
CAS号:104-03-0
性质:浅黄色针状结晶。熔点153℃(150℃)。溶于热水、乙醇和苯,微溶于冷水。
制备方法:由对硝基苯乙腈水解而得。将对硝基苯乙腈、浓硫酸和水混合,加热回流15min。再把反应物倒入冰水中,析出结晶,过滤,用冰水洗涤滤饼,再用水重结晶,即得对硝基苯乙酸。收率92%以上。
用途:用于有机合成。
分子量:181.15
CAS号:104-03-0
性质:浅黄色针状结晶。熔点153℃(150℃)。溶于热水、乙醇和苯,微溶于冷水。
制备方法:由对硝基苯乙腈水解而得。将对硝基苯乙腈、浓硫酸和水混合,加热回流15min。再把反应物倒入冰水中,析出结晶,过滤,用冰水洗涤滤饼,再用水重结晶,即得对硝基苯乙酸。收率92%以上。
用途:用于有机合成。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条