化学合成

Further more, the method of liquid combinational chemistry was introduced to the Evans aldol reaction, and two hapalosin analogues libraries contained 9 members and 27 members have been constructed in 9 steps respectively.

其次将液相组合化学方法应用于Evans aldol反应中，由此经9步反应分别合成了九组分和二十七组分的hapalosin类似物库。

OBJECTIVE Synthesize flavone and flavonone ,and test their inhibition activity towards aldose reductase.

目的对采用化学方法合成的黄酮及二氢黄酮母体对醛糖还原酶的抑制活性进行测试。

Clomiphene citrate for the synthetic system of non-steroidal agents, chemical structure and allyl phenol similar to estrogen.

克罗米芬，为人工合成的非甾体制剂，化学结构与烯雌酚相似。

This paper reviews the recent advances in synthesis of chiral allylic amines, mainly discussing the effects of ligands on chemo-and regio-selectivities.

综述了近年来手性烯丙基胺的合成进展，重点介绍了催化剂配体对化学选择性和对映选择性的影响，并阐述了各种类型的反应机理

By using anodic aluminum oxide templates,CoFe_2O_4 nanotubes were synthesized by chemical method.

利用阳极氧化铝模板，用化学方法合成了CoFe2O4纳米管。

Today, because it is so rare and expensive, many companies use synthetic chemicals, instead of ambergris, in their perfumes.

今天，因为它是如此罕见和昂贵，许多公司在他们的香水中都使用合成化学物质来取代龙涎香。

The method will involve a sequence of ammonification of glass surface, functionalization of carbon nanotube surface, and bonding between the nanotubes.

将奈米碳管与其它材料以一定的比例复合而制备，进而形成一种具有奈米碳管之复合吸附材料所组成之固相萃取柱介质，其合成步骤包括：奈米碳管表面改质官能化，玻璃粒体之载体氨化及最后将两者经缩合剂作用而产生化学键结使奈米碳管批覆在玻璃粒体之载体上。

This paper has compared a green chemistry technology of ammonium eerie nitrate with the classical technology by atom economy.

从原子经济性出发，对以碳酸铈为原料合成硝酸铈铵的绿色化学工艺与传统工艺进行了对比。

Among them, 13 have been prepared from structural modification of salpriorthoquinone and salvicine, 4 have been synthesized from ferruginol, and the other 9 have been prepared via total synthesis using anisole as the starting material.

在这一部分的工作中，不仅对沙尔威辛分子可能发生的一些化学转化反应及其机理做了详细的探讨，而且完善并优化了一条简便实用的沙尔威辛及其类似结构的全合成路线。

Generally speaking, the reaction types involvingα-oxoketene--acetals mainly include the regioselective addition-aromatization with organometallic reagents, conjugate addition-cyclization with nitrogen nucleophilicspecies, nucleophilic reactions ofα-carbon, acting as odorless dithiol equivalentsin thioacetalization, Michael additions and [5+1] annulation, as well as the synthetic applications based on the above reactions.

一般来说，基于α-羰基二硫缩烯酮化学的反应主要为：与金属有机试剂的选择性加成反应，与氮亲核体的共轭加成反应，α-碳原子的亲核性及相关反应，烷硫基作为硫醇的替代试剂的应用，α-羰基二硫缩烯酮在碳环、杂环化合物合成中的应用等。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失