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- cucurbit5 urils 五元瓜环
- Cucurbit[n]urils is a kind of new function material compounds which has a perfect application outlook. 瓜环是一种极具广阔应用前景的新型功能材料化合物。
- Influence of acidity and IA metal ion on Solubility of Cucurbit [n = 5 -8] urils have been examined. 考察了瓜环在不同酸度、IA金属离子中的溶解性变化情况,并利用其溶解性的变化来合成分离瓜环。
- Furthermore, the catalysis and self-assembly of cucurbit [n] urils are emphasized. 瓜环是一种极具广阔应用前景的新型功能材料化合物。
- Cucurbit[6]uril adducts with metal cation and naphthylamine in the water, be a new supramolecular adducts. 在水溶液中,六元瓜环与金属阳离子及萘胺发生作用,形成一种新颖的超分子配合物。
- The purity of cucurbit[n]uril is higher than 95% determined by NMR spectra.Especially for CB[5], the detected purity is up to 98%. 分离得到的瓜环单体经核磁共振检测,纯度在95%25以上,其中CB[5]的纯度达到98%25。
- The experimental results reveal that the solubility of cucurbit[8]uril is influenced by concentrations of transition metal ions. 实验结果表明过渡金属离子对八元瓜环的溶解性有影响。
- The synthesis of a novel pseudorotaxane formed by cucurbit[6]uril (CB[6]) as the macrocycle and two diprotonated diaminobutane moieties as the “string” was reported. 通过葫芦[6]脲(CB[6])与两个质子化的1,4-丁二胺在水溶液中于室温下进行超分子自组装,得到一种新型的准轮烷。
- This article developed a two-step separating approach of cucurbit[n]uril compound, which was based on the different solubility of cucurbit[n]uril in water and hydrochloric acid. 根据各元瓜环在水和盐酸两种溶剂中溶解度的不同,提出了一种通过水-盐酸两步分离混合瓜环的方法。
- Inclusion of2- benzylquinothrolin with Cucurbit[ n=6,7 or8] urils( Q[ n]) has been studied by fluorimetry method, the results revealed that2- benzylquinothrolin( q8) was included by Q[6] or Q[7] with a ratio of1:1 and the Ks are16316 and3222 respectively. 用荧光光谱法研究了聚合度为6、、的瓜环与2-苯基喹啉有包结作用,六元、元瓜环能与2-苯基喹啉形成包结比为1:1的稳定包结配合物,相应包结常数分别为16316和3222。
- Crystal structure of a host-guest inclusion complex of cucurbit[6] uril(Q[6]) with 2-(aminomethyl)pyridine(amp) have been studied by X-ray single crystal diffraction determination. 本文用X射线单晶衍射方法研究六元瓜环与2-氨基甲基吡啶的相互作用及其结构特征。
- Interaction between cucurbit[n=7]uril and adenine has been investigated, and the characteristics of the structur of this complex have been suggested by using 1HNMR technique and drop scale method. 利用HNMR技术,采用滴定分析法考察了普通七元瓜环与腺嘌呤的相互作用,解析了其作用产物的结构特征。
- methyl substituted cucurbit[n]uril 甲基取代瓜环
- cucurbit[ 6 ] uril monorotaxane-bonded silica stationary phase 葫芦[6]脲单轮烷键合固定相
- Keywords cucurbit[8] uril;complex;host-gust;interaction; 八元瓜环;配合物;主客体;相互作用;
- Keywords Cucurbit[n]uril;Templates;Derivatives;Utilization; 瓜环;模板试剂;衍生物;应用;
- cucurbit[6]uril monorotaxane-bonded silica stationary phase; 葫芦[6]脲单轮烷键合固定相;
- Keywords cucurbit[n]urils;acidity;metal ion;synthesis and separation; 瓜环;酸度;金属离子;合成及分离;
- Keywords micro-encapsulation;dye;cucurbit[n]urils;inclusion complexes; 微胶囊;染料;瓜环;包结配合物;
- Synthesis of a Novel Pseudorotaxane with Cucurbit[6]uril as the Macrocycle 含有葫芦[6]脲的新型准轮烷的合成