• 通过无配体的铜催化偶联反应合成对称二炔

    Symmetrical diynes were synthesized by ligand-free copper-catalyzed homocoupling reaction.

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  • 方法通过重氮偶联反应

    Methods: Nitrogen coupling reaction of the diazonium salt.

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  • 方法通过重氮偶联反应

    Methods: Nitrogen coupling reaction of the diazonium salt was applied.

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  • 讨论了纳米催化反应可能活性位。

    The probably active site of the cross coupling reaction over nano Ni catalyst is investigated.

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  • 反应催化剂研究进行了综述

    Recent advances in palladium catalysts for coupling reaction of aryl chlorides were reviewed.

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  • 热-热重分析确定偶联反应条件

    The optimum coupling reaction conditions were determined by difference scanning calorimetry-thermogravimetric analysis.

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  • 通过偶联反应合成三氮烯类试剂。

    A new triazene compound is synthesized by nitrogen coupling reaction of the diazonium salt.

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  • 方法p,O双齿配合物催化反应合成目标化合物

    METHODS the target compound was synthesized from cross-coupling reaction catalyzed by p, o chelate palladium complex.

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  • 研究结果表明可以作为价廉高效配体促进钯催化交叉偶联反应

    The results show that amine could be used as the inexpensive and highly efficient ligands to promote the palladium-catalyzed coupling reactions.

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  • 用量存在最佳值,用量不足偶联反应不充分,用量过量时封端反应加剧。

    There existed an optimal dosage of the chain extender, lack of which caused deficiency of chain extension and excess of which led to more blocking reaction.

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  • 硼酸三苯基膦催化下,溴代芳烃偶联反应,得到较高收率的不对称衍生物

    Four unsymmetrical biphenyl derivatives were synthesized with good yields by the tetrakis(triphenylphosphine) palladium (0) catalysed cross-coupling reaction of arylboronic acid with bromobenzene.

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  • 过渡金属催化反应构建碳碳有效方法之一有机合成具有广泛应用

    The transition metal-catalyzed cross-coupling reaction is one of the most effective methods for construction of carbon-carbon bonds and has found widespread use in organic synthesis.

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  • 反应中,氢气一种气体催化剂加入有助于甲烷脱氢偶联转化制备C2

    Hydrogen was a gas catalyst in the reactions, and it was useful for hydrogen to synthesis of C2 hydrocarbons by dehydrogenation coupling reactions of methane.

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  • 根据模拟结果模型放大试验实现偶联反应再生反应有机匹配,基本上达到了污染物的零排放。

    According to the simulation results, the scale up test was performed and the proper match was realized for the coupling reaction and regeneration.

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  • 通过自制高效试剂三三苯基膦氯化亚自制金合欢基还原偶联反应成功地合成了烯。

    Squalene was successfully synthesized from farnesyl bromide with the highly efficient reductive coupling reagent tri-triphenylphosphine cobalt chloride that was freshly prepared in the laboratory.

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  • 本文第二我们研究了氨基酸促进催化芳基卤化物烯基碘化物氮化交叉偶联反应

    In the chapter 2 of this dissertation, we studied the cross-coupling reaction of aryl halides and vinyl iodides with sodium azide under the catalysis of copper and amino acids.

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  • CO催化偶联反应合成草酸草酸工艺特有技术优势成为当前C1化工领域研究的重要课题之一

    The process of producing diethyl oxalate and oxalic acid by co coupling reaction in gaseous phase was one of the most important projects of C1 chemical technology, due to its technical predominance.

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  • 离子液体中的偶联反应合成c - C有效方法之一,近几年来一直是催化化学和有机合成的研究热点。

    Coupling reaction in ionic liquids is one of the most efficient methods for the construction of carbon-carbon bonds and also a highlight on catalyst and organic synthesis at present.

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  • 利用偶联反应合成溴甲酚绿合硅胶,指出溴甲酚绿键合改性硅胶作为一代化学键合具有很大发展潜力。

    BCG. SG is prepared by coupled reaction. It is pointed out that this product has a great develop potentialities as a new type chemical bonded phase.

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  • 本文就结合物形成碳-碳交叉偶联反应中的性能活性探索和研究。并对合成产物进行了光谱分析及测试。

    Catalytic actiVity of Nickel complexes in the cross-coupling reaction for forming C-C bond have been studied. Gived spectra analysis date of ketones.

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  • 论文的研究内容两个方面:(1微波等离子体催化甲烷偶联反应,(2传统技术催化乙炔加氢转化乙烯

    This paper has two parts: (1) methane coupling under microwave plasma catalysis, (2) acetylene conversion into ethylene under conventional method.

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  • 制备了以超细二氧化硅为载体氰乙基化可溶性蛋白质-催化剂,研究了三丁基锡氢化物酰氯化合物偶联反应的催化活性。

    Silica supported cyanoethylated soluble protein-Pd has been prepared and its catalytic activity in the cross-coupling reaction of tributyltin hydride and acid chlorides was studied.

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  • 我们使用高价有机试剂PIFA)做氧化剂,实现了N-乙酰基吲哚芳香化合物直接偶联反应,得到了吲哚3号位选择性产物。

    In the presence of hypervalent iodine reagents (PIFA), Direct coupling reaction of N-acetyl-indole with aromatic compounds provided C-3 arylated indoles in high regioselectivity.

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  • 报道纤维素 -配合有机试剂氯化合物形成碳 -碳交叉偶联反应中的催化作用对部分反应条件及反应机理进行了研究和探讨。

    The catalytic action of cellulose oxyphosphine palladium complexs in the crosscoupling reaction of organotin reagents with acid chlorides for forming C-C bond is presented.

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  • 报道纤维素 -配合有机试剂氯化合物形成碳 -碳交叉偶联反应中的催化作用对部分反应条件及反应机理进行了研究和探讨。

    The catalytic action of cellulose oxyphosphine palladium complexs in the crosscoupling reaction of organotin reagents with acid chlorides for forming C-C bond is presented.

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