苯酚合苯醌 的英文怎麼說

中文拼音 [běnfēnběn]
苯酚合苯醌 英文
phenoquinone
  • : 名詞[化學] (特指苯酚) phenol
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞[化學] (有機化合物的一類) quinone
  1. Hydroxyquinol triacetate was prepared from p - benzoquinone by 1, 4 - addition reaction with acetic anhydride and then 6, 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. then 6, 7 - dimethoxy coumarin was synthesized by methylating from 6, 7 - dihydroxy coumarin with an overall yield of 74. 4 %. the procedure was practical. its structure was confirmed by ir and 1hnmr

    與乙酸酐經1 , 4 -加成生成1 , 2 , 4 -三乙酸酯,然後與蘋果酸反應經水解、環反應得6 , 7 -二羥基香豆素,再經甲基化得到6 , 7 -二甲氧基香豆素,總收率為74 . 4 % ,整個過程反應條件溫和,操作方便,適工業生產的要求,對產品結構進行了ir和1hnmr表徵。
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