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- Keywords biscrown ether crown ether complex alkali metal picrate; 双冠醚;冠醚配合物;苦味酸盐;
- One-dimensional Chain Crown Ether Complex: Synthesis and Crystal structure of Na(18-C-6)]_2[Zn(mnt)_2] 一维链状冠醚配合物:[Na(18-C-6)]_2[Zn(mnt)_2]的合成与晶体结构
- RAMAN AND INFRARED SPECTRA OF RARE EARTH CROWN ETHER COMPLEXES 稀土冠醚配合物的激光拉曼和红外光谱
- Crown Ether Complex 冠醚配合物
- 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。
- 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。
- 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。
- The cationic ring-opening polymerizations of epoxide based monomers were studied using tris(2-hydrooxyethyl) isocyanurate(THEIC) as initiator and trifluoroboron plus ether complex system as catalyst. 发现THEIC与环氧单体可在非均相体系中平稳地进行阳离子开环聚合反应。
- 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。
- Keywords N-Pivot lariat crown ether;macrocycle;complex;synthesis; 支套索冠醚;大环化合物;配合物;合成;
- Three polystyrene-supported benzo-15-crown-5 and two polystyrene-supported acyclic crown ethers were prepared, and their complex capacities for K~+ and Na~+ and phase-transfer catalytic properties were investigated. 本文报道了三种聚苯乙烯支载苯并-15-冠-5与两种聚苯乙烯支载无环冠醚的合成,并研究了它们对K~+与Na~+的络合性能与相转移催化性能。
- 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。
- boron trifluoride ether complex... 三氟化硼乙醚络合物
- 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。
- crown ether silicon slice cleaning agent 冠醚硅片清洗剂
- Synthesis of Open Chaining Crown Ether Compound 开链冠醚衍生物的合成
- 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。
- 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。
- Calculations using CNDO/2 method have been performed for the reactions of some crown ethers with alkali ions in aqueous solutions. 本文应用CNDO/2方法对几种冠醚与碱金属离子在水溶液中的配位反应能进行了计算。
