查询词典 arenes

Two novel pyrene-armed calix[4]arenes by triazole connection were synthesized using "click" chemistry.

通过&click&反应合成了两个含芘基团的杯[4]芳烃。

Two novel pyrene-armed calix[4]arenes by triazole connection were synthesized using "click" chemistry.

通过&click&反应合成了两个新的由三氮唑连接的含芘的杯[4]芳烃。

Moreover, the optional conformation of calix[6] arenes in the solid state which was called a pinched cone was determined with IR spectroscopy.

而两种杯[6]芳烃氢键构象和强度的不同导致了二者的拉曼谱图也存在较大的差异。

A series of new synthesis methods of calix [4] arenes, were developed, and meticulously, the reaction of 25, 27-bisubstituted asymmetric synthesis in the lower rim was investigated.

用红外光谱，元素分析，质谱和核磁共振等手段确证了它们的结构，对某些结构较复杂的化合物通过2D-核磁共振进行了表征。

Fluorescence, UV-vis and NMR are the most common methods in the research of chiral recognition. According to these methods, the latest research progress in the synthesis of chiral receptors based on calix[4]arenes and their applications in the chiral recognition are summarized.

在手性识别的研究中，荧光、紫外和核磁是3种最常见的研究方法，本文根据这3种方法进行分类，综述了近年来以杯[4]芳烃为分子骨架的手性受体的合成及其在手性识别中的应用。

Calix[4]arene is investigated most widely due to its stable conformation and easy derivatization. Among them lots of works reported the chiral calix[4]arenes can be used in enantiomeric recognition and dectection.

杯[4]芳烃因其稳定的构象和易于修饰的特点，成为研究最为广泛的杯芳烃分子，其中大量的文献报道了能够用于对映体识别和检测的手性杯[4]芳烃。

Supermolecular compounds with several hydroxyl groups, containing calix[4]arenes and cyclodextrins, are first used to crosslinking copolymerize with acrylic monomers.

首次使用含有多个羟基的大环超分子类化合物杯芳烃和环糊精分别与丙烯酸单体进行交联共聚，同时还引入了醇胺、肌醇和辛醇等含有羟基的小分子。

Olefine, electrophilic or nucleophilic substitution of arenes, nucleophilic addition of carbonyl compounds stereochemistry in elimination reaction of double bond forming and the choosing of oxidants and reducing agents in redox system.

在化学反应方面重点是烯烃的亲电加成，芳香烃的亲电，亲核取代，羰基化合物的亲核加成，消除反应的双键定位和立体化学，氧化，还原反应中氧化还原剂的选择。

The infrared and Raman spectra of two p-tert-butylcalix[6] arenes are reported in this paper.

研究了两种对-叔丁基杯[6]芳烃的红外和拉曼光谱。

The semicarbazone derivatives of propylatedcalix[4]arenes can form colloid in ethanol owing its hydrophilic upper rim andhydrophobic lower rim.

下沿丙醚化的杯[4]芳烃缩氨脲衍生物在乙醇溶剂中能形成胶体溶液，这是由分子上下沿的两亲性所决定的。

I'm not an actor. I'm a professor of paleontology.

我不是演员，我是古生物学教授

Spider Network Web site that is a very image of the name.

网络蜘蛛即Web Spider，是一个非常形象的名字。