羥基豆酸 的英文怎麼說

中文拼音 [qiǎngdòusuān]
羥基豆酸 英文
hydroxymyristic acid
  • : 名詞[化學] (羥基) hydroxyl (group)
  • : 1 (豆類作物或豆類作物的種子) legumes; pulses; beans; peas 2 (古代盛食物用的器具) an ancient s...
  • : 酸構詞成分。
  1. Its headquarter is located at xinkailu no. 8, xuanhua district of zhangjiakou city. its main products include ziyun brand civil explosive products series : powdery ammonium nitrate explosive emulsion explosive industrial fuse ; ziyun brand fine chemical products series : glyoxalic acid 5 - 4 - hydroxyphenyl hydantoin p - hydroxyphenylacetic acid p - hydroxyphenylacetamide allantoin daidzein bufexamac ; aaa brand fine chemical products series : ethylamine methanol trimethylacetic acid tert - valeryl chloride ; great wall brand agricultural chemical fertilizer products series : ammonia urea ammonium bicarbonate ; chenguang brand calium carbide chenguang brand acetylene carbon black xuguang brand dissolved acetylene ; and the others as sulphur ammoina liquor oxygen nitrogen, etc.

    公司現有主要產品為,紫雲牌民爆產品系列:粉狀硝銨炸藥乳化炸藥工業導火索紫雲牌精細化工產品系列:乙醛苯海因對苯乙苯乙酰胺尿囊素大甙元丁苯三a牌精細化工產品系列:乙胺甲醇特戊特戊酰氯長城牌農化產品系列:合成氨尿素碳銨晨光牌電石,乙炔炭黑旭光牌溶解乙炔。
  2. 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

    對苯醌與乙酐經1 , 4 -加成生成1 , 2 , 4 -苯三酚三乙酯,然後與蘋果反應經水解、環合反應得6 , 7 -二素,再經甲化得到6 , 7 -二甲氧素,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。
  3. The primary synthetic methods of 4 - hydroxycoumarin was reviewed starting from phenol, 2 - acetylsalicylic acid, methyl salicylate, and o - hydroxyacetophenone respectively

    摘要概述了4 -素的合成方法,重點介紹了苯酚法,乙酰水楊法,水楊甲酯法,鄰苯乙酮法。
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