• 2,3,6三甲基苯催化氧化合成了2,3,6三甲基苯醌确定最佳工艺条件,使率达到88.1%。

    Trimethylbenzoquinone was synthesized by catalytic oxidation of 2, 3, 6 trimethylphenol. The optimum reaction conditions were established with yield of 88.1%.

    youdao

  • 研究发现无论对于吸电子取代还是供电子的取代基烯基亚活性没有任何影响,而邻甲基苯醌前体化合物中所带有的吸电子基团增加反应活性。

    It was found that both the electro-withdraw and electro-donating substituents have no effect on reaction activity and the electro-withdraw substituents can increase the reaction activity.

    youdao

  • 首先以尼醇合成全反式侧四十碳十烯-1-醇,2,3-二甲氧基-5-甲基-1,4-还原产物无水氯化锌存在缩合

    All - E long chain part was synthesized from solanesol, then condensed with the reductive product of 2,3 - dimethoxy - 5 - methyl -1,4- benzoquinone in the presence of dry ZnCl2.

    youdao

  • 研究了N,n二甲基苯诱导电荷转移溶剂效应

    The solvent effect on the photoinduced charge transfer between n, N-dimethylaniline and quinone has been investigated.

    youdao

  • 研究了N,n二甲基苯诱导电荷转移溶剂效应

    The solvent effect on the photoinduced charge transfer between n, N-dimethylaniline and quinone has been investigated.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定