• 本文报导低价还原偶联烷烃反应。

    The paper reports the reductive coupling of aromatic ketones to alkanes by low-valent titanium salt.

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  • 乙苯及其衍生物氧化制备芳酮方法越来越受到重视

    More and more attention has been paid to the oxidation of the side chain on the ethylbenzene and its derivatives.

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  • 有机化学中,将氧化一类非常重要反应

    In organic chemistry, the oxidation of benzyl halides and benzyl alcohols to aromatic aldehydes and aromatic ketones is an important reaction and of great significance both in theory and in practice.

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  • 此外乙苯及其衍生物亚甲基氧化制备的反应也具有很广阔的应用前景。

    In addition, the oxidation of the side chain on alkybenzene is a promising route to get ketone product.

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  • 有机合成中,化合物氯甲基化将苄基氧化一类极其重要反应

    In organic synthesis, chloromethylation of aromatic compounds and oxidation of benzylic halides to aromatic aldehydes or aromatic ketones are extremely important reactions.

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  • 报道一种可溶性可控交联CCPAEK)热塑性复合材料制备方法。

    The forming process of a thermoplastic Controllable Crosslinking Poly(Aryl Ether Ketone)(CCPAEK) matrix composite was reported in this paper.

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  • 提出了一合成基氟喹诺抗菌剂沙星马沙星的方法

    A new synthetic method for preparing two arylfluoroquinolone antimicrobial agents, difloxacin and temafloxacin, was reported.

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  • 报道了两类除草剂氧苯氧丙酸酯(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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  • 研究发现环状齐聚熔融温度,熔体粘度小,具有良好的流动性,十分有利于充模成型及浸渍增强纤维

    The melt viscosity of the cyclic oligomer is very low which is necessary to impregnate the carbon reinforcement well.

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  • 溴化产物醚谱图进行分析叙述了原料合成过程合成结果进行讨论。

    Analyzes on the spectras of bromide and aromatic sulfide, describes synthesis process of material and discusses the composite result.

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  • 挤出方法制备了新型聚(PEK-C)(PEEK)共物。对共混体系的相容性转变结晶结构力学性能进行了研究。

    The compatibility, crystalline structure, transitions and some mechanical properties of PEK-C/PEEK blends were studied by DMS, DSC, X-ray diffraction and Instron.

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  • 各种含有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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  • 以取代的为原料,合成了一系列6,6 -取代基富烯,这些富烯经过了核磁共振元素分析红外光谱的鉴定。

    Some new 6, 6-diaryl fulvenes were synthesized from the diaryl ketones. Their structures were characterized by ir, 1h NMR, MS spectra and elemental analysis.

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  • 1%氢氧化钠水溶液处理带有酰氧基的1,3 -丙二衍生物可以直接得到A环带有羟基的黄化合物。

    Treatment of 1, 3-diketones containing benzoyloxy group in 1% aqueous sodium hydroxide can afford directly the corresponding ring-A hydroxylated flavone.

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  • 1%氢氧化钠水溶液处理带有酰氧基的1,3 -丙二衍生物可以直接得到A环带有羟基的黄化合物。

    Treatment of 1, 3-diketones containing benzoyloxy group in 1% aqueous sodium hydroxide can afford directly the corresponding ring-A hydroxylated flavone.

    youdao

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