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- Metamitron, 4-amino-3-methyl-6-phenyl-l,2,4-triazin-5-one, a kind of herbicide was synthesized from phenylglyoxylic acid ester by three step reactions such as condensation, hydrazinolysis and cyclization. The yield is 48.4%. 本文仿制专利的路线,以苯乙酮酸酯为原料,经缩合、肼解及合环三步反应合成了除草剂苯嗪草酮,并且对专利的部分方法进行了改进,使产率从30%25提高为48.;4%25。
- Determination of urinary phenylglyoxylic acid and mandelic acid with high performance liquid chromatography 高效液相色谱法测定尿中苯乙醛酸和苯乙醇酸
- Keywords poly-L-valine;modified electrode;asymmetric reduction;phenylglyoxylic acid; 聚L-缬氨酸;修饰电极;不对称还原;苯甲酰甲酸;
- Synthesis, Characterization and Fluorescence Studies on Complexes of Terbium with Phenylglyoxylic Acid, 2,2-Dipyridine, 1,10-Phenanthroline, Triphenyl Phosphine Oxide 铽与苯乙酮酸、2,2'-联吡啶、1,10-菲口罗啉、三苯基氧膦铽三元配合物的合成、结构表征及荧光性能的研究
- Synthesis, Structure Characterization and, Fluorescence Studies of the Complexes of Europium with Phenylglyoxylic Acid, 1,10-Phenanthroline and Triphenyl Phosphine Oxide 铕与苯乙酮酸、1,10-罗啉及三苯基氧膦配合物的合成、结构表征及荧光性能的研究
- 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。
- 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。
- phenylglyoxylic acid 苯酰甲酸
- 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。