醌環素 的英文怎麼說

中文拼音 [huán]
醌環素 英文
quinocycline
  • : 名詞[化學] (有機化合物的一類) quinone
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
  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

    對苯與乙酸酐經1 , 4 -加成生成1 , 2 , 4 -苯三酚三乙酸酯,然後與蘋果酸反應經水解、合反應得6 , 7 -二羥基香豆,再經甲基化得到6 , 7 -二甲氧基香豆,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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