氨甲基吡嗪的收率为38%,反应条件温和。
本发明公开了一种2 -氨甲基吡啶镍配合物及其制备方法和应用。
The invention discloses a 2-ammonia methyl-pyridine nickel composition, a preparation method and the application thereof.
本文探讨单独在穿心莲内酯的12位引入N -酰基氨甲基对其抗肿瘤活性的影响。
In this paper, we investigate the influence of antitumor activity by introducing N-Acylaminomethyl groups at C-12 of andrographolide.
鱼和肉里的脂肪不完全燃烧,会产生大量的V—氨甲基衍生物,这是一种强度超过了黄曲霉素的致癌物。
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.
患者接受了甲氨蝶呤治疗,随后静脉用甲基强的松龙。
The patient was treated with methotrexate and then admitted for intravenous methylprednisolone.
本发明涉及一种二胺类化合物的合成方法,尤其涉及一种(4R,5R)-4,5-双(氨 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.
方法基于存在氨三乙酸为活化剂,以高碘酸钾催化氧化甲基红。
The method is based on the catalytic oxidation of methyl red by potassium periodate in the presence of nitrilo triacetic acid as an activator.
报道了氨磺酸催化的活泼亚甲基化合物和醇的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.
聚四亚甲基醚二醇(PTMEG)是生产氨纶和聚氨酯弹性体的重要原料之一。
Polytetramethylene ether glycol (PTMEG) is one of important materials for production of spandex and thermoplastic polyurethanes elastomer (PU).
采用负载型铜氨络合物催化剂进行糠醛气相加氢制2 甲基呋喃。
Vapour phase hydrogenation of furfural was employed to produce 2 methylfuran through a copper ammonia complex catalyst.
滑石,硬脂酸锌,苯基三甲基聚矽氧烷,氧化铁棕,氧化铁氨,氧化铬绿,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.
油与多元醇经醇解反应,进而与聚醚或聚酯、 二羟甲基丙酸、二异氰酸酯反应制得水溶性氨酯油。
Waterborne polyurethane resin is prepared by alcoholyzing oil with polyol at first, and then reacting with polyether (polyester), dimethylol propionic acid, diisocyanate.
举例来说,梨型糖果气味的酯和丙酮与糖尿病有关联,氨则与肝炎有关,而二甲基硫醚则预示着硬化。
For example, the odour of 'pear drops' esters and acetone in relation to diabetes, ammonia in relation to hepatitis, and dimethyl sulphide to cirrhosis.
本文介绍的基于氨氧化法生产烟酸的工艺,选择了适当的复合催化剂,使原料3-甲基吡啶转化率可达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.
进一步获得了甲氨酰二氰基甲基阴离子作为桥联配体时的磁耦合信息。
The more magnetic coupling information dealing with Carbamyldicyanomethanideas bridging ligand was obtained.
以4甲基吡啶为原料,在固定床反应器中通过含氧化钒的催化剂发生气固相接触氨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.
以4甲基吡啶为原料,在固定床反应器中通过含氧化钒的催化剂发生气固相接触氨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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