蘋果酸二乙酯 的英文怎麼說

中文拼音 [pínguǒsuānèrzhǐ]
蘋果酸二乙酯 英文
diethyl malate
  • : no data
  • : Ⅰ名詞1 (果子) fruit 2 (事情的結局; 結果) result ; consequence 3 (姓氏) a surname Ⅱ動詞(吃...
  • : 酸構詞成分。
  • : Ⅰ數詞(一加一后所得) two Ⅱ形容詞(兩樣) different
  • : 名詞[化學] (有機化合物的一類) ester
  • 蘋果 : apple蘋果醬 apple jam; 蘋果蜜 apple honey; 蘋果泥 apple butter; 蘋果去皮機 apple peeler; 蘋果肉 a...
  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

    對苯醌與酐經1 , 4 -加成生成1 , 2 , 4 -苯三酚三,然後與反應經水解、環合反應得6 , 7 -羥基香豆素,再經甲基化得到6 , 7 -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,適合工業生產的要求,對產品結構進行了ir和1hnmr表徵。
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