1) 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%。
2) o-Nitrophenoxyacetic acid
邻硝基苯氧乙酸
3) o-nitroethylbenzene
邻硝基乙苯
1.
Starting from o-nitroethylbenzene,a mass-produced byproduct of chloramphenicol industry,through condensation,catalytic hydrogenation and catalytic cyclization,3-methylindole was sucessfully synthesized.
以氯霉素工业大量副产的邻硝基乙苯为原料,经缩合、催化氢化及催化环合三步反应成功合成了3-甲基吲哚,总摩尔收率69。
2.
2-Ethyl-4-methoxy aniline was synthesized from o-nitroethylbenzene,a byproduct from chloramphenicol industry,through a four-step process including Bamberger reaction,acetylation,o-methylation and hydrolysis.
以氯霉素的副产物邻硝基乙苯为原料,经Bamberger反应、乙酰化反应、o-甲基化反应和水解反应4步合成了可作为5-甲氧基吲哚合成原料的2-乙基-4-甲氧基苯胺;对该工艺路线的关键步骤Bamberger反应进行了工艺条件优化。
4) vinyl m-nitrobenzoate
邻硝基苯甲酸乙烯
5) o-ni troethoxybenzene
邻硝基乙氧基苯
6) o-Nitrophenetole
邻乙氧基硝基苯
补充资料：邻硝基苯乙酸
分子式：C8H7NO4
分子量：181.15
CAS号：3740-52-1
性质：熔点138-142°C。
分子量：181.15
CAS号：3740-52-1
性质：熔点138-142°C。
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