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With TEMPO(5 mol%) as the catalyst,N-methyl-N-phenyl-hydrazine(1.2 equiv.) as the amine source,the direct ortho-amination of 2-naphthols could be easily achieved.The reaction was carried out at room temperature under air atmosphere.

以5 mol%TEMPO为催化剂,1.2当量N-甲基-N-苯基肼作氨源,二氯甲烷为溶剂,空气中,室温下,实现了对2-萘酚邻位氨基化,可以高效的合成1-氨基-2-萘酚类化合物。

With TEMPO(5 mol%) as the catalyst,N-methyl-N-phenyl-hydrazine(1.2 equiv.) as the amine source,the direct ortho-amination of 2-naphthols could be easily achieved.

以5 mol%TEMPO为催化剂,1.2当量N-甲基-N-苯基肼作氨源,二氯甲烷为溶剂,空气中,室温下,实现了对2-萘酚邻位氨基化,可以高效的合成1-氨基-2-萘酚类化合物。

They are seen as trivialising important political questions.

这类的游戏在此时多半因为结合了严肃议题,而遭到非议,认为它们将重要的政治问题轻薄化了。

A carbonated soft drink containing an extract of the cola nut and other flavorings.

可乐''。'类'。''饮料一种含有可乐果''。'提取物'。''及其它调味品的碳化软饮料

Copper iodide CuI has a apparent inhibition effect on addition rearrange of the Grignard reagent with carbonyl compounds.

为抑制烯丙基格氏试剂与羰基化合物加成反应中的重排反应,进行了碘化亚铜CuI对此类格氏试剂及加成产物组分比例关系的研究,CuI对这类化合物加成反应重排有明显的抑制作用。

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推荐网络例句

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢?

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我,一个心中布满虚荣的女孩子真实的想法。

Oh, and I bought myself a new laptop," he said."

哦,我还给我自己买了一个新笔记本"他说。"