• And all these have been bottlenecks in the cross-coupling reaction.

    这些都成为了阻碍偶联反应得到更广泛应用的瓶颈。

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

    方法用p,O双齿螯合钯配合物催化偶联反应合成目标化合物。

    youdao

  • 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.

    在本文第二章,我们研究了氨基酸促进的铜催化的芳基卤化物、烯基碘化物与叠氮化钠的交叉偶联反应。

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  • 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.

    制备了以超细二氧化硅为载体的氰乙基化可溶性蛋白质-钯催化剂,研究了它对三丁基锡氢化物和酰氯化合物偶联反应的催化活性。

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  • 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.

    过渡金属催化的偶联反应是构建碳碳键的最有效的方法之一,在有机合成中具有广泛的应用。

    youdao

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

    芳基硼酸在三苯基膦钯催化下,与溴代芳烃偶联反应,得到较高收率的不对称联苯衍生物。

    youdao

  • The results of cross-cut test indicated that the higher reaction temperature, the longer reaction time and proper coupling agent consumption were favorable to obtain better coupling effect.

    正交试验结果显示较高的反应温度、较长的反应时间、适当的偶联剂用量有利于得到较好的偶联效果。

    youdao

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

    讨论了纳米镍催化偶联反应的可能活性位。

    youdao

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

    讨论了纳米镍催化偶联反应的可能活性位。

    youdao

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