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- Keywords chiral separation;t-ITP;chiral crown ether;cyclodextrin; 手性拆分;瞬时等速电泳;手性冠醚;环糊精;
- The Recent Progress of Podands and Chiral Crown Ether Biomimetic Chemistry 开链配体及手性冠醚仿生化学研究现状
- Study on the Chiral Separation of Drugs Having a Primary Amino Group by HPCE with Chiral Crown Ether 使用手性冠醚的高效毛细管电泳法研究伯胺类药物的手性分离
- Development of Chiral Crown Ethers 手性冠醚的研究进展
- chiral crown ether 手性冠醚
- Study on the Chiral Separation of Drugs Having a Primary Amino Group by HPCE and HPLC Utilizing Chiral Crown Ethers and Column 使用手性冠醚及手性柱的HPCE和HPLC法拆分伯胺类药物对映体的对比研究
- Keywords chiral phase transfer catalysts;asymmetric catalytic reaction;chiral quarternary ammonium salts;chiral crown ethers;chiral phase transfer catalysis; 关键词手性相转移催化剂;不对称催化反应;手性季铵盐;手性冠醚;相转移催化反应;
- chiral crown ethers 手性冠醚
- Asymmetric allylation of 2-nitrocycloketones was catalyzed by palladium with chiral ferrocenylphosphine ligand modified by monoaza crown ethers (A-D). 在用氮杂冠醚改良的手性二茂铁膦与钯的络合物催化下,2-硝基环酮可进行不对称烯丙基化反应。
- Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind. 摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应,合成了链状冠醚二芳醛缩氨硫脲类化合物。
- Keywords lanthanides;complex;chiral aza crown ether;synthesis;characterization; 稀土;配合物;苯并氮杂冠醚;合成;表征;
- Two new exocyclic ring-fused boron-dipyrromethene (BDP) dyes with benzo crown ether subunit at meso-position were prepared.Their spectroscopic and electrochemical properties were investigated. 本文报道了两种中位为苯并冠醚亚单元取代的含稠合外环的硼-二吡咯亚甲基染料的合成、光谱和电化学性质。
- It is reported that cadmium in the form of CdI 2- 4 can be preconcentrated by its complex reaction with a crown ether called polybenzo 15 crown 5 (A type), which is coated on a molecular sieve and filled into a glass column. 报道了用装有涂布了聚苯并 15 冠 5 (A型 )的分子筛的玻璃分离柱可用于水中痕量镉的预富集。 此分离方法是基于CdI2 - 4络阴离子与冠醚的络合反应。
- Synthesis and characterization of Schiff base type liquid crystalline crown ether ligandsA new kind of schiff base type liquid crystalline crown ether ligand was synthesized on the base of molecul. 二、席夫碱型液晶冠醚配体的合成与表征从分子设计出发,设计并合成了一类新的席夫碱型液晶冠醚化合物。
- Three kinds of crown ethers were synthesized for the study of sodium ion-selective electrode. They are bis(crown ether)s, derivatives of hydroxy-crown ether and open-chain amide. 本文为满足研制钠离子选择电极的需要,根据主客体化学、配位化学和离子选择电极等理论,设计并合成了三类新型冠醚化合物,它们的结构经元素分析、红外、核磁共振和质谱数据确证。
- crown ether silicon slice cleaning agent 冠醚硅片清洗剂
- A review with 21 references on development and applications of calix crown ethers are described. 摘要综述了杯芳冠醚的产生、发展及应用研究的新进展,展望了它的工业应用前景。
- The crown of St Wenceslas was in prague cathedral. 圣文萨斯雷的皇冠保存在布拉格大教堂。
- A whiff of ether will put you out in a few seconds. 一剂乙醚几秒钟后就会使你失去知觉。