以邻二甲苯为原料、苯甲酸盐为催化剂进行液相氧化,一步合成邻甲基苯甲腈。
One step synthesis of o methyl benzonitrile with o xylene as raw material and benzene carbonate as catalyst was carried out in liquid phase oxygenation.
对间苯二甲腈气相氯化反应过程提出了合理的假设与简化,从反应机理出发建立了一个动力学数学模型。
A mathematic modelling of gas catalysis kinetics ofm phthalic nitrile chloration reaction is established based on the hypothesis and simplification of the reaction.
本发明属于高分子材料领域,特别涉及磁性二茂铁-双端基邻苯二甲腈树脂、固化物及它们的制备方法。
The invention belongs to the high molecular material field, in particular to magnetic ferrocene-double terminal phthalonitrile resin, a cured product and a preparation method thereof.
对间苯二甲腈气相氯化反应过程提出了合理的假设与简化 ,从反应机理出发建立了一个动力学数学模型。
The competition between addition and substitution in vapour phase chloridization reaction of prolence is analyzed on the base of essential principle in chemical thermodynamics and kinetics.
方法:以2-对甲苯基苯甲腈为原料,经碱性水解和酸化反应制备2-对甲苯基苯甲酸,并对水解反应条件进行探究。
Methods:Starting from 2-p-tolylben-zonitrile, via basic hydrolysis and acidification, 2-p-tolylbenzoic acid was prepared. Results:The optimal hydrolysis conditions were established.
本研究确立了适宜的工艺条件,使2,6-二氯苯甲腈氟化转化率提高至99.00%以上,并保持90%以上的高收率。
By setting up the proper process conditions, the conversion rate of 2,6-dichlorobenzonitrile in fluoration was over 99.00% and the yield was over 90%.
这些化合物能均聚反应,亦易与苯乙烯、甲基丙烯酸甲酯及丙烯腈等乙烯类单体共聚合,得有色的高聚物。
These colored compounds can be homopolymerized and copolymerized with most vinyl monomers such as styrene, methyl methacrylate and acrylonitrile, to give the corresponding colored polymers.
光解N-甲氧基偕溴代亚胺化合物以高产率获得相应的腈,并在转变过程中小影响对常见脱水剂和卤化剂敏感的官能团。
Photolysis of N-methoxyimidoyl bromides leads to formation of the corresponding nitriles without affecting functional groups sensitive to ordinary dehydrating and halogenating reagents, in high yield.
试验发现,溶剂n, N-二甲基甲酰胺(DMF)的萃取效果优于二甲亚砜、乙腈及甲醇。
The extraction results showed that among the solvents, n, N-dimethylformamide (DMF) was better than dimethyl sulfoxide, ethyl cyanide and methanol.
目的:观察氟虫腈对小鼠离体胃平滑肌的作用及甲氧氯普胺对其的影响。
Objective To observe the effect of fipronil on contractile activity of the isolated gastric muscle strips in mice and the influence of paspertin on it.
在洁净煤、环氧丙烷、碳酸二甲酯、聚醚、异丙苯、丙烯腈、丙二醇醚等项目方面提出了相应的建议。
Specifically, Suggestions for the projects of clean coal, propylene oxide, methyl-carbonate, polyether, cumene, acrylonitrile, propylene glycol ether, etc. were proposed.
本工作研究了由蓖麻油型聚氨酯及苯乙烯、甲基丙烯酸甲酯、丙烯腈的均聚物或共聚物组成的互穿网络物在室温条件下的合成规律。
The Conditions for formation of IPN from castor oil polyurethane and homopolymer or copolymer of styrene, methylmethacrylate and acrylonitrile at room temperature were Studied.
采用水相悬浮沉淀聚合法,以氧化还原体系为引发剂,合成了丙烯腈(AN)与丙烯酸甲酯(MA)的共聚物。
Using redox system as initiator, copolymerization of acrylonitrile(AN) and methacrylate(MA) was carried out via the method of aqueous suspension precipitation polymerization.
用过渡态理论和AM 1方法,对8-二甲基- 7-甲氧基- 5 -烯-壬腈氧化物分子内环加成反应机理进行了研究。
The reaction mechanism of 8-dimethyl-7-methoxy-5-ethenyl-nonanenitrile oxide cycloaddition has been studied with the molecular orbital AM1 method and transition state theory.
本文以乙磺酰基乙腈和1,1,3,3-四甲氧基丙烷为起始原料,经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。
Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction starting with 2-(ethylsulfonyl)acetonitrile and 1,1,3,3-tetramethoxypropane.
本文以乙磺酰基乙腈和1,1,3,3-四甲氧基丙烷为起始原料,经五步反应合成得到磺酰脲类除草剂玉嘧磺隆。
Sulfonylurea herbicide Rimsulfuron was synthesized by a five-step reaction starting with 2-(ethylsulfonyl)acetonitrile and 1,1,3,3-tetramethoxypropane.
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