• 其中7位氰基取代化合物一个见报导化合物

    Among these compounds, the cyano - derivative is a new compound which has not been reported in the literature.

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  • 咪唑及其衍生物开发尤其是取代化合物越来越受到重视,认为一类具有多种生物生理活性杂环。

    The development of the benzimidazole and it's derivatives, especially two replacements of benzimidazole, is regarded as a category with a variety bioactivities of heterocyclic.

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  • 报道了通过串联环加成构化反应合成取代化合物方法。

    The synthesis of polysubstituted aromatic compounds by using a tandem cycloaddition aromatization reaction was reported.

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  • 其中短命氢氟碳化合物发明取代氯氟烃制冷剂可以稀释高层空气中的臭氧层同时也是主要升温

    The most troubling of the short-lived HFCs were invented to replace chlorofluorocarbons, refrigerants that were thinning the ozone layer in the upper atmosphere, and were also a major warming agent.

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  • 原理人体化合物摄入不足时,脂肪燃烧获得能量取代原来碳水化合物

    How it Works: When the body takes in very few carbs, it gets its energy by burning fat instead of carbs.

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  • 实际上,这份食谱只是处理饮食中蛋白质碳水化合物的关系,而这两种物质可以平衡健康的饮食来取代

    It is limited to only processed protein and carbohydrates, which are easily replaceable with a well-balanced, healthy diet.

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  • (典型烷烃)几个全部取代生成化合物

    Compounds formed when some or all of the hydrogen atoms in a hydrocarbon (typically an alkane) have been replaced with chlorine and fluorine.

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  • 中的金属相当金属基团NH4取代所生成的化合物

    Salt: Chemical compound formed when the hydrogen of an acid is replaced by a metal or its equivalent, such as ammonium (NH4).

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  • 工作合成一系列取代酮类化合物

    In this work, a series of nitrone compounds have been synthesized.

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  • 新的取代杂环膦化合物药物组合物治疗磷酸盐异常代谢方法

    Novel thio-substituted, nitrogen-containing, heterocyclic phosphonate compounds, pharmaceutical compositions, and methods of treating abnormal calcium and phosphate metabolism.

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  • 说明我们可以通过前驱取代反应通过改变反应体系条件来制备具有预期结构化合物

    This just show that we can get compounds which have anticipative structure through substitution reaction of precursor or by changing the reactive condition of the system.

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  • 联芳基取代吡唑化合物通道阻滞剂用于治疗疼痛其它病症

    Biaryl substituted pyrazole compounds are sodium channel blockers useful for the treatment of pain and other conditions.

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  • 取代的(芳基化合物制备方法, 其制剂用途

    Substituted (hetero) aryl compounds, process for preparation, agents containing them, and their use.

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  • 本文报道环加成-芳构化串连反应制备多取代芳香族化合物的方法。

    The synthesis of polysubstituted aromatic compounds by using tandem cycloaddition aromatization reaction was reported.

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  • 乙炔基取代芳族化合物合成聚合物及其用途。

    Ethynyl substituted aromatic compounds, its synthesis, polymer and use thereof.

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  • 方法:通过取代还原氧化加成等反应得到目的化合物

    METHODS: Electrophilic substitution, reduction, oxidation and nucleophilic addition reaction were used in the synthesis of title compounds.

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  • 乙炔取代化合物,其合成聚合物及其用途。

    Ethynyl substd. aromatic compounds, synthesis, polymers and USES thereof.

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  • 用AM1 方法计算了20 个卤素三卤甲基取代杂冠化合物分子电子结构

    The electronic structures of 20 nitrogen, sulfur heterocrown ether compounds with side substitute of halogen and trihalomethyl have been calculated by means of AM1.

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  • 该文介绍油脂取代出现分类国外碳水化合物油脂模拟物研究应用

    The appearance and classification of fat replacer, study and application of carbohydrate fat-mimetic overseas are introduced in the paper.

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  • 羧酸中的羟基氨基取代后,生成化合物看作被酰基取代衍生物

    The hydroxyl amino acid has been replaced, the resulting compounds can also be regarded as ammonia hydrogen has been replaced by acyl derivatives.

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  • 实验结果表明:焦炭前身主要三环取代芳香化合物组成,并化合物存在。

    It was found that the coke precursor was mainly three ring aromatic compounds with a few of aromatic ethers.

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  • 2,6 -二氯吡啶原料通过硝化取代还原化,氧化几步反应得到目标化合物

    From 2, 6-dichloropyridine as starting material, we can get the target molecule through nitration, substitution, reduction, cyclization, oxidation etc.

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  • 结果表明该类化合物具有很好的光学漂白卤素取代漂白效果明显含卤素酞菁的效果。

    Results showed that this kind of compounds has excellent photobleaching property. The bleaching effect of phthalocyanines containing halogen substituent is better than the one that is not substituted.

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  • 目的研究具有正丁基和取代苄基结构醇类化合物抗真菌活性

    Objective:To study the antifungal activity of triazole alcohols by introducing N-butyl and substituted benzyl as side chain .

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  • 方法:2氨基45二甲氧基苯甲酸为原料,分别经过化、氯代、取代等反应,合成五种目标化合物

    The five quinazoline compounds were prepared by using 2 amino 4,5 dimethoxy benzoic acid as original material, which underwent ring closing, halogenation and substitution.

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  • 化合物(6)氮相连的活泼氢原子可能某些反应不利影响,故用碘甲烷进行甲基取代得到新的性胍—化合物(7),并做了表征。

    The active hydrogen in the compound (6) might take negative effect in some reactions and was substituted by a methyl to get compound (7) which was a new chiral guanidine.

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  • 化合物(6)氮相连的活泼氢原子可能某些反应不利影响,故用碘甲烷进行甲基取代得到新的性胍—化合物(7),并做了表征。

    The active hydrogen in the compound (6) might take negative effect in some reactions and was substituted by a methyl to get compound (7) which was a new chiral guanidine.

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