• 通过4-甲氧基苯甲醛的羰基加成反应合成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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  • 烷基自由基对羰基进行进攻,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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  • 摘要对羰基合成反应的温度进行了研究。

    The temperature of carbonyl synthesis reaction is studied.

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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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  • 重点在担载金属羰基簇。

    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、醇和胺等。

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

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  • 报道了4-氧安替比林硫羰基化的新方法。

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

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  • 酒类中双羰基化合物对其风味有着重要影响。

    Dicarbonyl compounds in wine had an important effect on flavor.

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  • 五羰基铁浓度对复合粒子的静磁性能影响不明显。

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

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  • 脂肪酸被生物体转化成包含碳氧双键即羰基的醛。

    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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  • 对羰基的加成作用是有机化学中最重要的反应之一。

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

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  • 该方法成功地应用到对大气中羰基化合物的定量检测。

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

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  • 挥发性羰基化合物是卷烟主流烟气中主要有害成分之一。

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

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  • 本装置采用BP技术,利用甲醇低压羰基化法生产醋酸。

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

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  • 手性羰基铁络合物很少被用于芳香酮的不对称氢转移氢化。

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

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  • 首先考察了在计量硒作用下苯胺和硫醇的氧化羰基化反应。

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

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  • 本文研究了烯烃在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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  • 论述了羰基镍粉末的颗粒形状和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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  • 本文综述了羰基化合物在质子和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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  • 表面的类脂物氧化后,产生许多化合物,包括羟基和羰基化合物。

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

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  • 表面的类脂物氧化后,产生许多化合物,包括羟基和羰基化合物。

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

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  • 甲酸甲酯作为新的碳源,在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,该配合物催化甲醇羰基化反应具有较好的活性和选择性。

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

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  • 乙醛脱羧酶帮助醛脱去羰基形成仅有碳氢原子组成的链,即碳氢化合物。

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

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  • 报道了螯合型正方平面羰基铑配合物催化甲醇羰基化反应的机理研究。

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

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  • 作为亲电体的羰基与作为亲核体的H,C,N和O的羰基化合物反应。

    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的研究进展情况。

    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的研究进展情况。

    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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