• 氨甲基吡嗪的收率为38%,反应条件温和。

    The reaction was carried out under moderate conditions.

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  • 发明公开了种2 -氨甲基吡啶配合及其制备方法应用

    The invention discloses a 2-ammonia methyl-pyridine nickel composition, a preparation method and the application thereof.

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  • 本文探讨单独穿心莲内酯12位引入N -酰基氨甲基对其抗肿瘤活性影响

    In this paper, we investigate the influence of antitumor activity by introducing N-Acylaminomethyl groups at C-12 of andrographolide.

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  • 肉里脂肪不完全燃烧产生大量的V—甲基衍生物强度超过黄曲霉素致癌物

    The fat of fish and meat incomplete combustion, will produce a large number of V-methyl derivatives of ammonia, which is a strength of more than a carcinogen aflatoxin.

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  • 患者接受了甲呤治疗,随后静脉甲基强的松龙。

    The patient was treated with methotrexate and then admitted for intravenous methylprednisolone.

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  • 发明涉及一种二胺化合物合成方法尤其涉及一种(4R,5R)-4,5-双(甲基)-1,3-二氧戊环类化合物的制备方法。

    The present invention relates to one kind of diamine compound synthesizing process, and is especially preparation process of (4R, 5R)-4, 5-bis(aminomethyl)-1, 3-dioxolane compounds.

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  • 方法基于存在乙酸活化剂高碘酸催化氧化甲基

    The method is based on the catalytic oxidation of methyl red by potassium periodate in the presence of nitrilo triacetic acid as an activator.

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  • 报道了磺酸催化活泼甲基化合物直接烷基化反应新方法。

    An Efficient NH2SO3H-catalyzed direct alkylation of active methylene compounds with benzylic and allylic alcohols has been reported.

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  • 聚四亚甲基二醇(PTMEG)生产弹性体重要原料之一

    Polytetramethylene ether glycol (PTMEG) is one of important materials for production of spandex and thermoplastic polyurethanes elastomer (PU).

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  • 采用负载型络合物催化剂进行糠醛加氢2 甲基呋喃

    Vapour phase hydrogenation of furfural was employed to produce 2 methylfuran through a copper ammonia complex catalyst.

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  • 滑石硬脂酸苯基甲基聚矽氧烷,氧化铁氧化铁,氧化绿,人工合成群青蓝,水氧化铬绿。

    Talc, Zinc Stearate, Phenyl Trimethicone, Iron Oxide Brown, Ferric Ammonium Ferrocyanide, Chrome Oxide Green, Ultramarine Blue, Hydrated Chrome Oxide Green.

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  • 多元醇醇解反应进而与聚醚或聚酯、 二羟甲基二异氰酸酯反应制得水溶性酯油。

    Waterborne polyurethane resin is prepared by alcoholyzing oil with polyol at first, and then reacting with polyether (polyester), dimethylol propionic acid, diisocyanate.

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  • 举例来说,梨型糖果气味丙酮糖尿病有关联则与肝炎有关甲基醚则预示着硬化

    For example, the odour of 'pear drops' esters and acetone in relation to diabetes, ammonia in relation to hepatitis, and dimethyl sulphide to cirrhosis.

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  • 本文介绍基于氧化生产烟酸工艺,选择了适当的复合催化剂,使原料3-甲基吡啶转化率99%,技术水平达到国外先进水平。

    The manufacture process of nicotinic acid based on ammonia oxidation method, which is introduced in this article, reached 99% conversion of 3-methyl pyridine.

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  • 进一步获得了酰二氰基甲基阴离子作为桥联配体时耦合信息

    The more magnetic coupling information dealing with Carbamyldicyanomethanideas bridging ligand was obtained.

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  • 以4甲基吡啶为原料,固定反应器通过氧化催化剂发生气固相接触氧化反应制备雷米封中间体4氰基吡啶,4甲基吡啶的转化率为99%,4氰基吡啶的选择性为88%,收率为87。

    4-cyanopyridine, intermediate of rimifon, was synthesized from 4-picoline using vanadium oxide as a catalyst in a fixed-bed reactor, reached 99% conversion of 4-picoline, 88% selectivity and 87.

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  • 以4甲基吡啶为原料,固定反应器通过氧化催化剂发生气固相接触氧化反应制备雷米封中间体4氰基吡啶,4甲基吡啶的转化率为99%,4氰基吡啶的选择性为88%,收率为87。

    4-cyanopyridine, intermediate of rimifon, was synthesized from 4-picoline using vanadium oxide as a catalyst in a fixed-bed reactor, reached 99% conversion of 4-picoline, 88% selectivity and 87.

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