• 科学家之间一个热门话题酮酯研究

    A hot topic among scientists was the study of the ketoester.

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  • 目的设计合成苯并吡酮酯衍生物探索骨性

    OBJECTIVE to design and synthesize benzopyrone ester derivatives and to test their bone affinity.

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  • 方法采用高效液相色谱蒸发散射检测器ELSD)检测法测定银杏酮酯注射液银杏AB含量

    METHODS: The HPLC method with Evaporative Light Scattering Detector (ELSD)was established to determine the content of ginkgolide A, B in the Ginkgo injection.

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  • 活性氢酰胺羧酸烯烃加成得到化合物,可作脱水剂和氧化剂使用。

    Many new compounds can be obtained by addition with water, hydrogen, alcohols, phenols, amines, amides, carboxylic acids, olefins, aldehydes, ketones, esters, etc.

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  • 双环氨基取代的吡啶羧酸衍生物以及可用作中间体的双环类胺

    Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate thereof.

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  • 结果表明:烈香杜鹃精油化学成分以高级脂肪酸芳香族化合物芳香化合物为主。

    The results showed that the volatile constituents of Rhododendron athopogoides Maxim, mainly includes aliphatic acid and ester, aldehyde, ketone, aromatic and its heterocyclic compounds.

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  • 杂环酰胺代酸的N-氧化物。

    N-oxides of heterocyclic esters, amides, thioesters, and ketones.

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  • 就双乙烯不同催化剂反应生成乙酰乙酸异丙条件结果进行了讨论,并提供实验数据

    The conditions and results of the reaction of diketene with isopropyl alcohol in the presence of different catalysts are discussed and some experimental data are provided.

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  • 通过IRNMR谱图分析,得知该聚合物含有基和基的结构单元以及

    The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.

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  • 目的:观察氟比洛洛芬对照治疗术后癌性疼痛患者的有效性

    Objective:To compare the effectiveness of flurbiprofen axetil injection for the treatment of post-surgical and carcinous pain to ketoprofen.

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  • 提高碱性磷酸酶ALP活性测定灵敏度以4-甲基伞形磷酸(4-MUP底物荧光法进行了研究

    In order to improve the sensitivity of detection of alkaline phosphatase(ALP)activity, a fluorometric method based on 4-methylumbelliferyl phosphate(4-MUP)as substrate was investigated.

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  • 目的探讨米非司双炔失碳合用早孕机理

    Objective: To investigate the mechanism of mifepristone combined with anordrin for anti - early pregnancy.

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  • 异佛尔二异氰酸氨基硅油反应然后饱和亚硫酸封端,合成出具有反应性的聚氨改性硅油。

    Polyurethane modified amino-silicone oil was synthesized by the reaction of amino-silicone oil and IPDI, and capped with saturated sodium hydrogen sulfite.

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  • 建立毛细管气相色谱测定甲磺酸齐拉西残留溶剂乙醇异丙醇二氯甲烷正己烷四氢呋喃D MF、丙二酸二的残留量。

    A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.

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  • 建立了基于手性毛细管柱直接测定醇和丙烯乙酸体含量的色谱

    A gas chromatographic method was developed to directly determine the enantiomers of acrylic ketone alcohol and acrylic ketone acetate.

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  • 化合物合成高效除草剂重要中间体

    This compound was an important intermediate to synthesize carfentrazone-ethyl, one super highly effective herbicide.

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  • 方法:采用酸性染料比色法测定附子生物含量,反相高效液相色谱法测定型生物碱含量,-硫酸法测定多糖含量

    METHODS: The contents of total alkaloids, diester diterpenoid alkaloids and polysaccharides were measured by acid dye colorimetry, HPLC and sulphuric acid-anthrone colorimetric method respectively.

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  • 报道了两类除草剂芳氧苯氧丙酸(APP)环己二(CHD)四种主要除草作用机制

    Four main mechanisms of the action of aryloxyphenoxypropionate (APP) and cyclohexanedione (CHD) herbicides have been reported.

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  • 皮肤细胞匀浆代谢相似异丙代谢原药洛芬。

    Ketoprofen isopropyl ester was hydrolyzed into ketoprofen when penetrated through the cultured skin, which resembled in the skin cell homogenates metabolism.

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  • 本文聚矾和磺化共混物材料甲基乙酰胺为溶剂,聚乙烯吡咯啉邻苯二甲酸二为添加剂配制纺丝液,纺制外压中空纤维超滤膜。

    This paper reported the preparation of hollow fiber UF membrane, using PS and SPS as membrane spinning materials, DMA as solvent, PVPand dimethyl phthalate as additives.

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  • 方法青蒿可溶性糖含量测定使用醋酸乙,青蒿游离氨基酸含量测定用茚三比色法。

    Methods Saccharide content was determined by anthracene ethyl ketone method; amino acid content was estimated by indene tri-ketone colorimetric method.

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  • 作为原料用以制作甲基异丁基、二丙二醇、甲基丙烯酸精细化学品等

    Also used as a raw material in the manufacture of methyl iso-butyl ketone, di-acetone alcohol, hexylene glycol, methyl methacrylate and fine chemicals.

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  • 本文介绍了抗复配制剂的色谱定量分析方法OV - 17固定液,邻苯二甲酸二丙烯物进行气色谱测定

    In this paper, a method for determination pirimicarb combination with triadimefon by gas chromatography was described, by use OV-17 as stationary phase, propenyl phthalate as internal standard.

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  • 各种含有芳基三氟甲磺酸催化量和膦体的存在下与或酰胺发生取代反应。

    Various aryl triflates, bearing ketone or aldehyde groups, were evaluated for palladium-mediated introduction of an amino group at the triflate position in the presence of various phosphine ligands.

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  • 各种含有芳基三氟甲磺酸催化量和膦体的存在下与或酰胺发生取代反应。

    Various aryl triflates, bearing ketone or aldehyde groups, were evaluated for palladium-mediated introduction of an amino group at the triflate position in the presence of various phosphine ligands.

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