• 亲核性芳香取代。多取代苯衍生物合成的策略。

    Nucleophilic Aromatic Substitution. Strategies in the Synthesis of Multisubstituted Benzene Derivatives.

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  • 测定了27种取代苯类化合物在松花江江水中的生物降解性。

    The biodegradability of 27 substituted benzenes in the Songhua river water by BOD technique.

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  • 将模型用于23种取代苯类有机物的生物毒性预测,结果满意。

    The QSAR-ANN model has been used to predict the bio-toxicity of 23 substituted benzene chemicals.

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  • 研究了10种取代苯甲醛肟和5种取代苯乙酮肟的电化学氧化机理。

    The electrochemical oxidation of 10 substituted benzaldoximes and 5 substituted acetophenone oximes has been studied.

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  • 这也说明了对于单取代苯衍生物,取代基在致毒作用中可能起重要作用。

    It is also showed that substituents could play an important role in the toxic effect of mono-substituted benzene derivatives.

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  • 沃纳所用的方法是从前有机化学家用来阐述取代苯结构的方法,即异构体计算法。

    Werner's method was that used previously by organic chemists to elucidate the structures of substituted benzenes, namely isomer counting.

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  • 目的:设计合成一系列新的取代苯甲醛缩二胺类双席夫碱,通过抗菌活性测试寻找具有抗菌活性药物。

    Objective: a series of novel substituted benzaldehyde diamines Schiff bases were synthesized for screening antibacterial agents.

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  • 因此,我们开展了以水杨醛缩取代苯氧乙酰腙的铜、锰配位单元为节点的配位聚合物的结构化学的研究。

    So we developed the study on structural chemistry of Cu and Mn coordination polymers with substituted phenoxyacetyl ligands.

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  • 本文用自由基捕捉剂与esr相结合的方法系统研究了各种取代苯胺与二苯酮光化夺氢反应中的活泼自由基。

    Active free radicals in the photochemical hydrogen abstraction reaction between benzophenone and aromatic amines have been studied systematically by combination of spin trapping reagents and ESR.

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  • 本发明涉及新的(苯并)三唑组合物,包含在功能液体例如矿物油中的苯并三唑和N -取代苯并三唑的混合物。

    The invention relates to novel (benzo) triazole compositions comprising mixtures of benzotriazoles and N-substituted benzotriazoles in functional liquids, e. g. mineral oil.

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  • 首先测定了17种取代苯化合物对发光菌的急性毒性,初步探讨了苯环上不同取代基类型和取代位置对毒性的影响。

    The acute toxicities of 17 substituted benzenes to Photobacterium Phosphoreum were measured, and the effects of substituted groups and positions on toxicities were discussed roughly.

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  • 制备了用对硝基苯甲酰氯处理的间氯甲酚或3-羟基-4-氯苯酚,并转化为取代的对硝基苯甲酮。

    M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.

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  • 碱性基取代的苯甲酰胍,其制备方法,其作为药物或诊断试剂的用途,以及含有它们的药物。

    Basic group substituted benzoyl guanidine, its preparing process, its use as medicine or diagnostic reagent, and medicine containing the same.

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  • 三种n-氯乙酰取代的苯并含氮杂环化合物通过硫醚键的形成被导入嘧啶结构。

    Three types of N? chloroacetyl substituted nitrogen? containing benzoheterocycles were introduced into pyrimidine by the formation of thioether.

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  • 苯并咪唑衍生物取代的苯并吡喃衍生物,其药用盐,它们的制备方法和含有它们的药物组合物。

    Benzopyran derivatives substituted with a benzimidazole derivative, pharmaceutically acceptable salts thereof, their preparations and pharmaceutical compositions containing them.

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  • 氨磺酰-取代的苯并二氢吡喃,其制法,作为药物或诊断剂的应用及含有它的药物。

    Sulfamine-substituted benzodihydopyran, preparation method, use as medicine or diagnostic reagent and medicine containing same.

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  • 系统介绍了间苯二酚诸多的合成方法,并对其中的磺化法、异丙苯法、芳化法和取代法进行了简要的评述。

    The synthesis methods of resorcinol were introduced systematically in this paper, and the summary comments for every means were made.

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  • 以水为溶剂,取代芳磺酸为拆分剂,用诱导结晶法,经成盐、拆分、水解过程,将DL-对羟基苯甘氨酸拆分成D-对羟基苯甘氨酸。

    The resolution of DL p hydroxyphenylglycine into its D and L isomers was studied by using aromatic sulfonic acid as resolving agent and water as solvent.

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  • 结果表明,对邻苯二甲酸酯类化合物而言,取代基的空间结构参数是影响受试物好氧生物降解性能的重要因素。

    The result showed that the steric factors of substituents were important parameters affecting the aerobic biodegradability of the tested compounds.

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  • 本文报道了以邻氯甲苯为原料,经光氯化、水解、取代三步合成2-甲酰基苯磺酸钠的方法,并对影响反应收率的因素进行了讨论。

    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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  • 采用非等温差示扫描量热法(dsc)研究了一种长侧链取代液晶环氧单体与甲基六氢苯酐的固化反应历程,考察了体系的固化反应动力学特征。

    A liquid crystalline epoxy monomer with long lateral substituent was cured with anhydride and the cure kinetics was investigated by non-isothermal DSC technique.

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  • 设计合成了一类以蒽为电子给体,带不同吸电子取代基的苯为电子受体的新型短程有机电子给体受体体系。

    A new series of short range donor acceptor systems consisting of anthracene and different substituted benzoic esters were synthesized.

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  • 设计合成一系列具有不同取代基的苯甲酰萘(苯)胺衍生物,测定它们在非极性溶剂环己烷中的荧光发射光谱。

    A series of prar-and meta-substituted benzanilides were synthesized and their fluorescence spectra in nonpolar solvent cyclohexane were investigated.

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  • 碳、氮和氧族元素取代对2,1,3 -苯并噻二唑衍生物的电子、光谱、电荷传输性质影响的理论研究。

    Carbon, nitrogen, and chalcogen substitution effects on 2, 1, 3-benzothiadiazole derivative: theoretical investigations of electronic, optical, and charge transport properties.

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  • 根据79个取代硝基苯的晶体结构资料,研究了其中存在的氢键的几何特点。

    Based on the crystal structure data of 79 substituted nitrobenzenes, geometrical characteristics of hydrogen bonding were studied.

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  • 本发明的含有蒽苯甲酮取代基的氟单体及其制备方法和应用属于高分子材料的技术领域。

    The invention relates to a fluorine monomer with anthracene benzene ketone substituting group, the preparation method and the application, belonging to the technical field of macromolecular material.

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  • 发现该反应在以邻位氟取代的苯睛为底物的情况下,碳-氟键可以被打断并有效地形成碳-碳键。

    A C-F cleavage reaction was found when using ortho-fluoro substituted benzonitrile, which resulted in the formation of new C-C bond.

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  • 一种含吲哚类取代基的苯并呋喃酮类化合物的制造方法。

    The invention discloses a preparation method of a benzofuran ketones compound containing indoles substituent groups.

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  • 一种含吲哚类取代基的苯并呋喃酮类化合物的制造方法。

    The invention discloses a preparation method of a benzofuran ketones compound containing indoles substituent groups.

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