• 原料、苯酸盐为催化剂进行液相氧化一步合成甲腈

    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.

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  • 间苯二氯化反应过程提出了合理假设简化,从反应机理出发建立了动力学数学模型

    A mathematic modelling of gas catalysis kinetics ofm phthalic nitrile chloration reaction is established based on the hypothesis and simplification of the reaction.

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  • 发明属于高分子材料领域特别涉及磁性二茂铁-双基邻苯二甲腈树脂固化它们的制备方法

    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.

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  • 氯化反应过程提出了合理假设简化 ,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.

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  • 方法:以2-苯基为原料,碱性水解酸化反应制备2-对苯基,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.

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  • 本研究确立适宜工艺条件,使2,6-二氯苯甲腈氟化转化率提高至99.00%以上保持90%以上收率

    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%.

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  • 这些化合物均聚反应,亦易与苯乙烯丙烯酸丙烯乙烯类单体聚合有色的高聚物。

    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.

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  • 光解N-氧基偕代亚胺化合物高产率获得相应,并转变过程中小影响常见脱水剂卤化敏感官能团

    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.

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  • 试验发现溶剂n, N-二酰胺(DMF)的萃取效果优于

    The extraction results showed that among the solvents, n, N-dimethylformamide (DMF) was better than dimethyl sulfoxide, ethyl cyanide and methanol.

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  • 目的观察小鼠离体平滑肌作用氯普胺对影响

    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.

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  • 洁净环氧丙烷、碳酸二聚醚异丙苯丙烯二醇醚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.

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  • 工作研究蓖麻型聚氨酯苯乙烯丙烯酸酯、丙烯共聚物组成的穿网络物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.

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  • 采用水相悬浮沉淀聚合法,以氧化还原体系引发剂合成丙烯AN丙烯酸MA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.

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  • 过渡理论AM 1方法,对8-二基- 7-基- 5 -烯-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.

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  • 本文酰基1,1,3,3-氧基丙烷为起始原料,经五反应合成得到磺酰脲类除草剂磺隆。

    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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  • 本文酰基1,1,3,3-氧基丙烷为起始原料,经五反应合成得到磺酰脲类除草剂磺隆。

    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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