benzoylation
- benzoylation的基本解释
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苯甲酰化, 苯酰化酌
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Zirconia loaded with tungsten oxide has been reported to be an efficient solid catalyst at relatively low temperatures in the skeletal isomerization of alkane or benzoylation of toluene, which are usually catalyzed by strong acids.
中文摘要文献上钨锆氧化物可以在低温的反应条件之下,对於烷类的异构化反应扮演有效的固体酸的角色。然而,钨锆氧化物其本身的比表面积通常只有50 m2/g。
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Experimental results show that the incorporation of appropriate amounts of Al~2O~3 into SO~4^2^-/ZrO~2, SO~4^2^-/TiO~2 and SO~4^2^-/Fe~2O~3 is helpful for stabilizing the sulfur species and increasing the effective acid sites on the catalyst surfaces, which can improve the strong acidity and catalytic activity in benzoylation.
实验表明,向SO~4^2^-/ZrO~2,SO~4^2^-/TiO~2和SO~4^2^-/Fe~2O~3中引入适量的Al~2O~3,有助于稳定样品表面的含硫物种,增加样品表面的有效酸位,提高样品的强酸性和对甲苯的苯甲酰化的反应活性。
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Microcalorimetric measurements of NH~3 adsorption on catalysts reveal that the remarkable strong acidity and catalytic activity of the Al- promoted catalysts are caused by a change of distribution of acid site strengths and an enhancement in the number of strong and intermediate-strong acid sites effective for the n-butane isomerization and benzoylation of toluene.
NH~3吸附微量热结果表明,Al促进样品的强酸性和催化活性的显著提高是由于样品表面的酸位强度分布发生了变化,有利于正丁烷异构化反应和苯甲酰化反应的中强酸位和强酸位的酸量显著增加。
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Experimental results show that the incorporation appropriate amount of Al into SO〓〓/ZrO〓, SO〓〓/TiO〓 and SO〓〓/Fe〓O〓 is helpful to stabilize the sulfur species on catalyst surfaces and to improve the superacidity and catalytic activity for benzoylation of toluene with benzoyl chloride.
实验表明,向SO〓〓/ZrO〓、SO〓〓/TiO〓和SO〓〓/Fe〓O〓中引入适量的Al〓O〓,有助于稳定样品表面的硫物种,提高样品的超强酸性和对甲苯的苯甲酰化反应活性。
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The study is to synthesize dual-site phase-transfer catalyst, and use it to form tri-liquid phases, and investigate the catalytic benzoylation of 4'-hydroxyacetophenone sodium salt and benzoyl chloride to produce 4-acetylphenyl benzoate in ultrasound-assisted tri-liquid-phase system.
中文摘要本研究在合成双活性基相间转移触媒,并使用该触媒合成三液相系统,并辅以超音波在三液相系统中催化4-乙醯基酚化钠与氯化苯甲醯形成苯甲酸4-乙醯基苯酯的反应。
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benzoylation:苯酰化酌
benzoylaminoacetic acid 马尿酸 | benzoylation 苯酰化酌 | benzoylglycine 苯甲酰基甘氨酸
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benzoylation:苯酰化
benzoyl 苯酰;苯甲酰 | benzoylation 苯酰化 | benzyl butyrate 丁酸苄酯
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benzoylation:苯甲醯化<作用>
benzoxyperoxycarbonylation 苯甲醯氧过氧羰化<作用> | benzoylation 苯甲醯化<作用> | benzyl 苄基
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benzoylation:苯甲醯化
"过氧化苯甲醯","benzoyl peroxide" | "苯甲醯化","benzoylation" | "苯甲醯甘胺酸;马尿酸","benzoylglycine; hippuric acid"
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reductive benzoylation:还原苯甲醯化<作用>
reductive ammonolysis 还原胺解 | reductive benzoylation 还原苯甲醯化<作用> | reductive benzylation 还原苄化<作用>
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