• 通过4-甲氧基苯甲醛羰基加成反应合成4-甲氧基-苯基羟基乙酸

    The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.

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  • 烷基自由基羰基进行进攻,生成双环的羰自由基中间体

    This radical attacks the carbonyl group to an intermediate bicyclic ketyl.

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  • 壳聚糖辐照后并未发现有羰基形成

    No evidence for carbonyl formation was observed.

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  • 论述了氧化羰基化法采用的催化剂体系

    The catalyst systems in oxidative carbonylation were fully discussed.

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  • 羰基在一般条件下不易被化学还原剂还原。

    The chemical reductants fail to reduce carbonyl group under ambient conditions.

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  • 重点在担金属羰基

    An emphasis is given to the supported metal carbonyl clusters.

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  • 涉及的底物有酚、羰基化合物醇和

    Substratesinclude phenols, carbonyl compounds, alcohols, and amines, etc.

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  • 报道了4-氧安替比林硫羰基方法

    The new method for thiocarbonylation of 4-oxyantipyrine was reported.

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  • 羰基浓度对复合粒子磁性能影响明显

    Influence of concentration of carbonyl iron on static magnetism was not obvious.

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  • 脂肪酸生物体转化包含双键羰基

    The fatty acids are then converted by the organisms to an aldehyde that includes a carbon atom bonded to an oxygen atom (together they create what's called a carbonyl group).

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  • 羰基的加成作用有机化学重要反应之一。

    Addition to carbonyls is one of the most important reactions in organic chemistry.

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  • 羰基合成刮刀有用几乎每一个你家空间

    The OXO Squeegee is useful in almost every room in your home.

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  • 方法成功地应用大气羰基化合物定量检测。

    The method was successfully applied to the quantitative analysis of carbonyl compounds in ambient air samples.

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  • 挥发羰基化合物卷烟主流烟气主要有害成分之一

    The volatile carbonyl compounds are one of most poisonous components in cigarette mainstream smoke.

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  • 装置采用BP技术利用甲醇低压羰基生产醋酸

    The plant using BP Technology produces acetic acid with Low Pressure Methanol Carbonylation Process.

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  • 手性羰基络合物很少用于芳香不对称转移氢化。

    Chiral carbonyl iron systems have seldom been used in asymmetric transfer hydrogenation of aromatic ketones.

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  • 首先考察计量作用下苯胺硫醇氧化羰基化反应

    Firstly, the oxidative carbonylation of aniline with thiols mediated by stoichiometric selenium has been investigated.

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  • 本文研究了烯烃不同溶剂体系中进行羰基化反应的规律

    In this paper, the carbonylation has been studied of olefins in different solvent systems.

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  • 结果表明:丙酮羰基甲醇溶剂红外诱导伸缩频率位移最大

    The largest solvent induced frequency shift in the infrared spectrum of acetone is seen in the methanol.

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  • 论述羰基粉末颗粒形状表面状态随粒度大小的变化规律。

    This paper discussed the variation in the shape and surface state of the carbonyl nickel powder with particulate size.

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  • 本文综述羰基化合物质子质子惰性溶剂中的极谱研究现状

    This paper discusses the current polarographic research of carbonyl compound in proton & proton inert solvent.

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  • 表面的类氧化后,产生许多化合物包括羟基羰基化合物。

    The surface lipids undergo oxidation, generating many compounds containing hydroxyl and carbonyl groups.

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  • 表面的类氧化后,产生许多化合物包括羟基羰基化合物。

    The surface lipids undergo oxidation generating many compounds containing... hydroxyl and carbonyl groups.

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  • 甲酸甲酯作为新的羰基合成化学中的作用越来越受到重视。

    Methyl formate becomes more and more important as a new source of carbon in the carbonyl synthesis.

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  • 结果表明配合物催化甲醇羰基化反应具有较好的活性选择性

    The results show that such complex has good catalytic activity and selectivity for catalytic methanol carbonylation.

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  • 乙醛帮助醛脱去羰基形成仅有碳氢原子组成碳氢化合物。

    The enzyme aldehyde decarbonylase helps remove this group to form a chain of hydrogen and carbon atoms--the hydrocarbon.

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  • 报道合型正方平面羰基配合物催化甲醇羰基化反应机理研究

    The mechanism of methanol carbonylation catalyzed by a chelated square planar carbonyl rhodium complex was studied.

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  • 作为电体的羰基作为亲核体的HCNO羰基化合物反应

    Reactions of Carbonyl Compounds with the Carbonyl Group as an Electrophile with H, C, N and O Nucleophiles.

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  • 比较国内外丙烯羰基合成主流技术以及羰基合成催化剂研究进展情况。

    Compares the main propylene carbonyl synthesis processes and the development of relative catalyst at home and abroad, and analyzes several methods of recovering waste Rhodium catalysts.

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  • 比较国内外丙烯羰基合成主流技术以及羰基合成催化剂研究进展情况。

    Compares the main propylene carbonyl synthesis processes and the development of relative catalyst at home and abroad, and analyzes several methods of recovering waste Rhodium catalysts.

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