芳基的

Some new lignans of dibenzocycloheptadiene and benzofuran analogues were first synthesized successfully by intramolecular nonphenolic oxidative coupling and rearrangement of the 1,4-biaryl-2,3-dimethyl-2,3epoxide substituted butanes with DDQ in TFA.

以DDQ为非酚氧化偶合试剂与1，4-二芳基-2，3-环氧类化合物进行分子内的非酚氧化偶合反应，首次合成了二苯骈环庚二烯类和苯骈呋喃类的新型木脂素，其结构由不同光谱和X-单晶衍射所确证。

Polyethersulfone with Cardo is a developed engineering thermoplastic and membrane material with high glass transition temperature. PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and PVPK3O as additive.

采用凝胶相转化法，以新型耐高温工程塑料－含酚酞侧基的聚芳醚砜为膜材料，N，N-二甲基乙酰胺为溶剂，通过改变铸膜液中添加剂聚乙烯吡咯烷酮(PVPK30)的含量，在平板刮膜机上制备了一系列超滤膜。

Iodine was found to be an efficient catalyst for the imino Diels-Alder reaction of N -arylimine with enol ethers to provide tetrahydroquinolines in good yields.

发现碘能够有效地催化N－芳基亚胺和烯醇醚之间的亚胺Diels-Alder反应，以较高的产率得到四氢喹啉衍生物。

Mannich reaction occurred directly between arylamine and pyrroli- zinone on hydrogen chloride/ethyl alcohol solution.

芳胺和吡里酮在氯化氢乙醇溶液中直接发生Mannich反应，但胺甲基化不是发生在羰基的α-位，而是发生在吡咯结构部分的5-位。

The author and his colleagues have performed the experiment before the introduction of electro- philic aromatic substitution or enolate halogenation in lectures.

作者和他的团队在介绍亲电芳基取代或烯醇卤化的课程前已经进行了实验。

Substituted aromatic phosphate is one of the most important nucleating agents for polypropylene.

摘要取代芳基膦酸盐是最重要的聚丙烯成核剂之一。

METAL ARYLS, WATER

卤化芳基金属，遇水反应，未另作规定的

Study on Glycosidic Derivatives of 1, 5-Diaryl-3-Hydroxypyrazoles

1，5-二芳基-3-羟基吡唑葡萄糖衍生物的合成研究

We investigated fluoroalkylation of 5,10,15-triarylporphyrins with fluoroalkyl halides by sulfinatodehalogenation system.

本章研究了在亚磺化脱卤反应条件下5，10，15-三芳基卟啉的氟烷基化反应，并对反应条件进行了优化。

The result obtained was very promising. Meanwhile, [3+2]-cycloaddition of aziridines with nitriles was discovered by using Sc3 as catalyst.

与此同时，我们还发现了Sc3可以很好地催化腈与2-芳基氮杂环丙烷的[3+2]环加成反应，得到了二氢咪唑产物，产率中等到优秀。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。