benzoquinone
基本解釋
- 醌,苯醌
英漢例句
- Primary by-products range from benzoquinone to maleic acid and oxalic acid.
中間產物主要為苯醌、馬來酸、草酸等, - Their intermediates included benzoquinone,adjacent diphenol and hydroquinone.
這兩個反應的中間產物都是苯醌、鄰苯二酚和對苯二酚; - The in-situ formed Pd(0) was efficiently converted to the catalytically active Pd(II) species by benzoquinone in HOAc.
這種情形下產生的鈀(0)在醋酸中能夠被苯醌高效地修飾成有催化作用活性的鈀(II)類物質。 - In this work,the 4-methoxyphenol was prepared from hydroquinone,methanol which were catalyzed by benzoquinone and concentrated sulphuric acid.The yield of 4-methoxyphenol was 80%.
對苯二酚和甲醇在濃硫酸和對苯醌催化下,制得4-甲氧基酚,產率為80%25。 - The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.
以苯酚為原料,復合金屬離子為催化劑,研究用氣相氧化合成苯醌,用鐵粉還原苯醌制對苯二酚的兩步法工藝,考察了氧化過程中的工藝條件對反應的影響。