dihydroxy acid 中文意思是什麼

dihydroxy acid 解釋
二羥酸
  • dihydroxy : 二羥基
  • acid : adj. 1. 酸味的。2. 【化學】酸的，酸性的。3. 〈比喻〉尖酸刻薄的，易怒的。n. 1. 酸味物。2. 【化學】酸。adv. -ly ,-ness n.
  1. Spectrophotometric study on supermolecule color reaction between serum proteins and 2 - 4 - sulfophenylazo - 1, 8 - dihydroxy 3, 6 - naphthalenedisulphonic acid and its applications

    萘二磺酸與蛋白質超分子顯色反應的研究及應用
  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、環合反應得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，適合工業生產的要求，對產品結構進行了ir和1hnmr表徵。
  3. Color reaction of 2 - 4 - chloro - 2 - phosphophenylazo - 7 - 2, 4 - dichlorophenylazo - 1, 8 - dihydroxy - 3, 6 - naphthalene sulfonic acid with bismuth and its application

    萘二磺酸與鉍的顯色反應研究及應用
分享友人
分享到 Line

分享到臉書