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- Tolcapone was synthesized from 3,4 dihydroxybenzoic acid via 4 steps.The overall yield was 10 7%. 以3,4-二羟基苯甲酸为原料,经4步反应合成帕金森氏治疗药托卡朋,总收率107%25。
- Dihydroxybenzoic acid was prepared by carboxylation of resorcinol in solvent under under atmospheric pressure was studied. 研究了间苯二酚常压羧化法制备2,6-二羟基苯甲酸。
- Keywords Chemiluminescent inhibition;Luminol;3;4 dihydroxybenzoic acid;FIA; 化学发光抑制作用;鲁米诺;3.;4-二羟基苯甲酸;流动注射;
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- dihydroxybenzoic acid 二羟基苯甲酸
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
- This substance must be treated with acid. 这材料得用酸来处理。
- The acid burnt a hole in the carpet. 酸把地毯烧了个洞。
- Carbolic acid can be used to make antiseptic. 石炭酸可用来做防腐剂。
- The acid eats into metals quickly. 酸腐蚀金属很快。
