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- acetyl mandelic acid 乙酰扁桃酸
- We supplies large amount APIs of Diaminomaleonitrile, mandelic acid and ect. 我公司大量生产二氨基马来腈，扁桃酸等医药中间体。。。
- The progress in synthesis of chiral mandelic acid and resolution of racemic mandelic acid are reviewed. 综述了手性扁桃酸的合成及外消旋扁桃酸拆分的研究进展。
- Mandelic acid and its analog can be synthesized from aromatic aldehydes and chloroform as raw material with the help of phase transfer catalyst. 以芳香醛和氯仿为原料,经相转移催化反应合成扁桃酸及其类似物。
- Heliotropin was synthesized by reacting AgNO_3 with 3,4-dioxymethylene mandelic acid,which was prepared from 1,3-benzodioxole. 研究了以胡椒环为原料,首先与乙醛酸反应,得中间体3,4-亚甲二氧基苯乙醇酸,然后以硝酸银对该中间体进行氧化脱羧,最后得到洋茉莉醛。
- A novel and accurate HPLC method was developed for the determination of optical purity of mandelic acid(MA) enantiomers. 建立了一种用高效液相色谱(HPLC)测定扁桃酸光学纯度的新方法。
- The aim of this research is to establish a analytical method for the determination of phytic acid , glycolic acid , lactic acid , malic acid and mandelic acid in cosmetics. 本研究目的在于建立植酸、甘醇酸、乳酸、苹果酸与杏仁酸之混酸溶液之分析方法。研究中针对管柱的种类、移动相之种类与组成、移动相之流速等因素。
- Determines the content of ofloxacin mandelic acid by nonaqueous titration method, the content of three batches of materials medicine is greater than 98.5%. 采用非水滴定的方法测定氧氟沙星扁桃酸盐含量，三批原料药的含量均大于98.;5%25。
- During the experiments, it is discovered that chiral phase transfer catalysis deriving from cinchonine or ephedrine hydrochloride can induce the asymmetry synthesis of mandelic acid in the existence of adscititious solvent. 实验还发现,由辛可宁或麻黄碱衍生的手性相转移催化剂在有外加溶剂时才能诱导扁桃酸的不对称合成。
- 4-Hydroxy-3-methoxy mandelic acid 4-羟-3-甲氧杏仁酸
- 3-methoxy-4-hydroxy mandelic acid 3-甲氧基-4-羟基苦杏仁酸
- quantitative test of vanillyl mandelic acid 尿定量测定
- 3 -ethoxy-4 -hydroxy mandelic acid 3-乙氧基4堀基苯乙醇酸
- Who knows what effect acetyl salicylic acid has? 谁知道乙酰水杨酸有什么作用？
- Enzyme-catalyzed optical resolution of mandelic acid 扁桃酸的酶促光学拆分
- Keywords mandelic acid;hypnone;flow chart;operation process; 扁桃酸;合成工艺;苯乙酮法;
- 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。
- To bring an acetyl group into(an organic molecule. 乙醯化使乙醯化，把一乙醯基带入（一有机分子）之中
