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- 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。
- Keywords chiral mandelic acid;racemic mandelic acid;synthesis;resolution; 手性扁桃酸;外消旋扁桃酸;合成;拆分;
- chiral mandelic acid 手性扁桃酸
- 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。
- 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。。。
- 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。
- Enantioselective Separation of Racemic Mandelic Acid by Chiral Extraction with Lipophilic L-Tartaric Esters L-酒石酸酯立体选择性萃取分离扁桃酸对映体
- Mensuration of the physical chemistry characteristics of chiral drugs mandelic acid 手性药物扁桃酸的理化特性测定
- Keywords liquid chromatography;chiral stationary phase;enantiomorph;chiral separation;mandelic acid; 液相色谱;手型固定相;对映体混合物;手性分离;扁桃酸;
- Keywords mandelic acid enantiomer;L-tartaric esters;chiral extraction;separation; 关键词扁桃酸对映体;L-酒石酸酯;手性萃取;分离;
- Keywords chiral ligand;mandelic acid;enantiomer separation;thermodynamic property; 手性配体;扁桃酸;对映体拆分;热力学性质;
- 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
- 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。