• 介绍了国内外氯甲苯合成分离工艺

    The synthesis and separation processes of o-chlorotoluene are described.

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  • 分离混合对氯甲苯氧化制得混合邻、甲酸

    Chlorobenzoic acids can be synthesized by oxidation of mixed chlorotoluene which was difficult to separate.

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  • 一缩二乙二醇甲苯对氯甲苯挥发度影响机理还需进一步探讨

    The mechanism of the effect of diethylene glycol on o -, p-benzol chloride system needs further investigating.

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  • 通过几种合成方法比较得知,仿生催化氧化甲苯制备苯甲酸是一种比较有前途的方法。

    By the comparison of different synthesis methods, the method of oxidation of chlorotoluenes using metalloporphyrins as biomimetic-catalysis showed better prospect.

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  • 采用量子化学从头算CASSCFCASPT 2方法氯甲苯在低激发态上光解机理进行了理论研究。

    The photodissociation mechanism of o-chlorotoluene on the low-lying electronic states has been investigated with the use of the CASSCF and CASPT2 techniques.

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  • 极性溶剂(丙酮)非极性溶剂(甲苯)三甲基硅烷介孔分子筛m CM - 41进行表面修饰

    The pure silica mesoporous molecular sieve (MCM-41) was modified on the surface by trimethylchlorosilane in polar solvent (acetone) and apolar solvent (toluene).

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  • 探讨了硬脂酰单宁酸量比催化剂甲苯磺酸的用量、反应温度溶剂合成影响

    The main factors affecting the reaction such as ratio of reactants, the catalyst (p toluenesulfonic acid), temperature and solvent were discussed.

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  • 同时,还改进了甲苯甲苯酰甘氨酸合成方法

    The improved methods for the syntheses of tolylsulfonyl chloride and Np-tolysulfonyl amino acids have been described in this work.

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  • 本文报道以邻氯甲苯为原料,化、水解取代三步合成2-甲酰基苯磺酸钠的方法,并影响反应收率因素进行了讨论。

    Sodium 2-formylbenzenesulfonate was prepared from 2-chlorotoluene by photo-chlorination, hydrolysis and substitution reactions successively. Factors affecting the yields were discussed.

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  • 研究甲苯乙二醇制备单甲苯磺酸乙二醇合成工艺。

    Toluene-4-sulfonic acid 2-hydroxy-ethyl ester was synthesised by p-toluenesulfonyl chloride with glycol.

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  • 研究甲苯乙二醇制备单甲苯磺酸乙二醇合成工艺。

    Toluene-4-sulfonic acid 2-hydroxy-ethyl ester was synthesised by p-toluenesulfonyl chloride with glycol.

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