• 介绍了合成方法应用分析了其产销现状前景

    The synthesis of trichloroacetonitrile and application were introduced. The status of production and sales, and its prosperity were analysed.

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  • 只有酪氨酸色氨酸天冬酰胺反应后生成了二氯乙腈(DCAN);

    Tyrosine, tryptophan and asparagines produced DCAN after chlorination. There was only glycine which didn't form CHD.

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  • 目的:探索42氧基)二合成条件包括原料配比反应时间等。

    Objective:In order to find the best condition for the synthesis of 4 (2 chloroethoxy)benzophenone, including the proportion of material, the time of reaction.

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  • 结果使用西帕依固龈液治疗复发性口腔溃疡有效率为88.3%,使用复方氯乙定含液总有效率为76.6%。

    Results Xipayi mouth rinse liquid treatment for recurrent oral ulcers, the total effective rate was 88.3%, the total effective rate was 76.6% in control group.

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  • 对于这种感染可用嘧啶磺胺嘧啶林可霉素等药物进行治疗

    The infection is treated with drugs such as pyrimethamine, sulfadiazine and clindamycin.

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  • 甲草胺草胺均酰胺类除草剂它们水田中活性极高

    Metolachlor and acetochlor are belong to acetanilide herbicides, they have high activity in rice field.

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  • 目的比较尿白蛋白百分含量不同时邻苯三红钼PRM铵法(BEC)测定尿蛋白结果差异

    Objective: To compare the difference of the results of urinary total protein with different proportion of albumin using Pyrogallol Red-molybdate method (PRM) and benzethonium chloride method (BEC).

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  • 实验醛糖加氨基甲酸麻醉的新西兰进行。

    The experiments were performed on rabbits anaesthetized with urethane and chloralose.

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  • 研究碳酸钠催化剂红霉素甲氧基氧基甲醚(MEMC)原料,一步合成罗红霉素实验过程

    The experimental process on synthesis of roxithromycin was studied by using erythromycin oxime and MEMC as raw material under the catalytic action of anhydrous sodium carbonate.

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  • 建立TLC分离碱性药物牛罗定有关物质2-氨基磺酰、2-氨基磺酰叠氮2-氨基酰胺。

    TLC method was established for the separation of taurolidine and related substances 2-aminoethyl sulfonyl chloride, 2-aminoethyl sulfonyl azide and 2-aminoethyl sulfonamide.

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  • 提出为介质一步合成磷酸方法及其相应反应条件;

    In this paper one step synthesis of diethyl chlorophosphate(DCP) with benzene was studied and the influence of the operating conditions on the reaction was investigated.

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  • 醯环丙地孕酮醋酸盐的物质用来抑制性腺激素的分泌。

    Substances like cyproterone acetate are used to suppress the gonadal hormone production.

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  • 地克珠利环丙氨嗪莱克多巴胺牛至香酚、氰碘柳胺、双酸钠、氧基喹啉大蒜素、脲酶抑制剂

    Diclazuril, Cyromazine, Ethoxy Quinoline, Closantel Sodium, Ractopamine, Oregano Oil, Garlicin, Urease Inhibitor etc. raw material and 100 various products such as preparation.

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  • 本文确定药物合成过程中经常使用有机溶剂(、二甲烷残留量检测方法

    This thesis introduces the test and demonstration of checking method of ethanol, methyl cyanide and dichloride methane which are forbidden.

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  • 目的建立溴芬酸原料甲烷、甲苯1,2-二甲氧基烷、酯、残留量测定方法

    Objective To establish a method for detection of dichloromethane, 1,2-dimethoxyethane, toluene, ethyl acetate and ethanol in bromfenac sodium.

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  • 产品成份:去离子水丙二丙烯酸聚合物西曲铵、木瓜提取液、海藻提取液、DMDM内酰脲、香料。

    Ingredients: Deionized Water, Propylene Glycol, Acrylic Acid Copolymer, N-Hexadecyltrimethylammonium Chloride, Papaya Extract, Alga Extract, DMDM Hydantoin, Essence.

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  • 有机酯—环己烷凝胶净化提取净化,石英毛细管相色谱(配ecd检测器)检测

    Organic chlorine using ethyl acetate - cyclohexane and gel purification column extraction purification, quartz capillary gas chromatography (ECD allocation) detection.

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  • 产品成分:去离子水丙二醇丙烯酸聚合物西曲铵、木瓜提取液、甘草提取液、DMDM内酰脲、香料。

    Ingredients: Deionized Water, Propanediol, Acrylic Acid Polymer, N-Hexadecyltrimethylammonium Chloride, Pawpaw Extract, Melarrest l, DMDM Hydantoin, Essence.

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  • 甲基丙基一种重要有机硅中间体,采用甲基三氧基硅烷烯丙基通过格式反应制得。

    Diallylethoxylmethylsilane is an important silicone intermediate. It was prepared by reaction of methyltriethoxylsilane with allyl chloride grignard reagent.

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  • 一种清除口香糖残渣的清除二硫化、二甲烷、酯、司班-80、环己酮及十二烷基磺酸钠组成。

    The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.

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  • 碱性条件下,氨基硫化甲酸反应合成了异硫氰基酯,收率4 8。

    Isothiocyanatoacetate ester is synthesized by the reaction of aminoacetic acid with carbon disulfide and ethyl chloroformate in the presence of an alkali with the overall yield of 48.

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  • 我们合成方法中,-苯开始合成了-苯用丙二酸二的烯醇盐离子进行亲核取代

    First we synthesized the -phenylethyl chloride from -phenylethyl alcohol. Then it was substituted by enolate anion of diethyl malonate and converted to ester.

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  • 方法高分辨液质联用分析法,对其甲醇提取物及二甲烷溶剂提取物进行了成分分析

    Method Methanol and mixed solvent of chloroform and ethyl acetate extracts from Cordyceps formosana were analyzed with HPLC-DAD-HRMS.

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  • 本文用2--5-甲基吡啶氨基化,N-氰基亚胺酯反应最后甲基化得到吡虫清。

    In this thesis, 2-chloro-5-chloromethyl pyridine is ammoniated, which followed by the reaction with N-cyano ethyl ethylimidoate, finally is methylated to gain the objective product.

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  • 本文报道通过亚稳离子精确质量测定,讨论了1,1—二2氧基—2—基烯烃质谱裂解规律。

    A study on the mass spectrometric cleavage of 1, 1—dichloro—2ethyloxy—2—AryIolefins by metastable ions and precise mass measurement is reported.

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  • 西他丁合成1-溴-5-戊烷为原料,活性亚甲基烃化、成肟和水解3反应得7--2-氧庚酸酯;

    The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;

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  • 草酸

    Oxalic acid monoethyl ester chloride;

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  • 草酸

    Oxalic acid monoethyl ester chloride;

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