The (2-iodobenzyloxy)acetic acid derivatives(6~9)were prepared from 2-nitrotoluene.
以2-硝基甲苯为原料，合成了（2-碘苄氧基）乙酸衍生物（6～9）。
The results showed that the purity of 6 chloro 2 nitrotoluene was over 96% by two tower distillation.
实验结果表明，通过双塔精馏，可获得纯度大于96%的6氯2硝基甲苯目标产品。
Reaction mechanism of liquid phase autoxidation of O-nitrotoluene under strong base is investigated in this paper.
讨论了碱性条件下常压氧气液相氧化邻硝基甲苯的反应机理。
This standard solution was accurately prepared in super-clean laboratory with m-nitrotoluene (99%) and sub-packed in 5ml ampoules.
本标准溶液以纯度为99%间硝基甲苯在超净实验室中准确配制并分装于5毫升安瓿中。
The experiment results show that a 1 is a good PTC for synthesis of ONBA with o nitrotoluene by oxidation of potassium permanganate.
实验结果表明，季铵盐a1对于高锰酸钾氧化邻硝基甲苯合成邻硝基苯甲酸，是1种优良的相转移催化剂。
This standard solution was accurately prepared in super-clean laboratory with o-nitrotoluene (99.9%) and sub-packed in 2ml ampoules.
本标准溶液以纯度为99.9%邻硝基甲苯在超净实验室中准确配制并分装于2毫升安瓿中。
The effect of strong base, KOH, was studied and it was found that the conversion of o-nitrotoluene increased if the amount of KOH increased.
研究了强碱氢氧化钾加入量和溶剂等对反应的影响，发现随着碱浓度的增加，邻硝基甲苯的转化率增加，邻硝基苯甲醛的收率先增后降。
Them-toluidine was synthesized by catalytic hydrogenation fromm-nitrotoluene and then m-cresol and N-ethyl-m-toluidine were prepared fromm-toluidine.
本论文主要研究了间硝基甲苯液相催化加氢制备间甲苯胺并由间甲苯胺合成间甲酚和N—乙基间甲苯胺的反应工艺条件。
Them-toluidine was synthesized by catalytic hydrogenation fromm-nitrotoluene and then m-cresol and N-ethyl-m-toluidine were prepared fromm-toluidine.
本论文主要研究了间硝基甲苯液相催化加氢制备间甲苯胺并由间甲苯胺合成间甲酚和N—乙基间甲苯胺的反应工艺条件。
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