化学合成

The design, synthesis and relative properties of functional coordination compounds are focus in the fields of coo...

功能配合物的设计、合成及相关性质研究是当前配位化学的研究热点。

All compounds are synthesized starting from the acylation reaction of gallic acid with L-glutamine to form the basic scaffold, followed by the cyclic reaction in acetic anhydride and the key intermediate cyclic anhydride (compound 4) was obtained. The intermediate compound is condensed with different amino acids or primary amines, and produces the target compounds.

本研究以L－谷氨酸为基本骨架，与甲醚化保护的没食子酸缩合后，经过酰化、环合反应得到关键中间体环状酸酐（化合物4），再经胺解反应合成目标化合物，其化学结构经过红外光谱、电喷雾质谱和核磁共振谱（氢谱、碳谱、碳氢异核多键相关谱）确证。

The process to produce synthetic gas (H2 and CO) by methanol decomposition is animportant research field in C1 chemical industry. In rescent years, the great interest has beencaused in the process of methanol decomposition because of it's wide application and specialadvantage, and which has become one of the research hotspots.

甲醇裂解制备合成气(H2和 CO)是 C1 化学领域的重要课题，近年来，甲醇低温催化裂解过程由于其广阔的应用前景和特殊的优点倍受关注，成为当前催化研究的热点之一。

In recent years,impressive progress has been made in research on organic electroanalysis,organic electrosynthesis, organic photoelectrochemistry and organic electrocatalysis.

近年来，有机电化学在有机电分析，有机电合成，有机光电化学，有机电催化等方面的研究都得到了快速的发展。

In this paper, the mechanism and development of electrochemical synthesis of the transition metal organic complexes were summarized.

电化学合成法是一种可持续发展的绿色化学方法。

This is the firstexample of the separation of enantiomorph of simple organic amine molecules.

关于手性化合物的合成与拆分对化学研究者一直是一个挑战。

It is characterized by that after the UV lamp is evacuated, its interior can be filled with inert gas, mercury vapour or metal halide vapour and mixture of the above-mentioned gases. Said light source can be used for implementing disinfection and sterilization of gas, liquid and solid, photochemical synthesis of chemical substance and UV etching and UV information erasion of electronic material and device.

该光源由微波激发灯体内的特定气体电离产生等离子体发出紫外线光，能够实施对气体、液体、固体的消毒、灭菌以及通过紫外线实施对化学物质的光化学合成和对电子材料和器件进行紫外刻蚀、紫外信息擦除等，该微波紫外光源具有无电极、无镇流器，功率大、启辉迅速、寿命长、能耗低、效率高等特点。

The origin, chemical structure, physiological function and sweetness response of 8 kinds of functional sweetening agents including L-sugar, erythritol, and dihydrochalcone etc. were introduced briefly in this paper and their utilization in food industry, in medicine and sanitation etc. were also illustrated.

简要介绍了L-糖、异麦芽酮糖、赤藓糖醇、二氢查尔酮、阿力甜、索马甜、三氯蔗糖、人工合成甜味剂8种功能性甜味剂来源、化学结构、生理功能、甜味特性及在食品、医药卫生等方面的重要应用。

In the work, three P-Mo-V heteropoly acids with different Vanadium number have been synthesized by acidification- etherization. Their component and structure have been confirmed by ICP-AES and TGA. They have been characterized by FT IR, XRD and UV. FT IR demonstrates their Keggin structure.

本文采用酸化—醚化法合成了三种不同钒原子数的P-Mo-V三元杂多酸，并用ICP-AES和TGA确定其化学组成和结构，用FT IR、XRD和UV等手段对其结构和性质进行了表征。

Ionic liquids of 1-carboxymethyl-3-ethylimidazolium chloride, 1-methoxyethyl- 3-ethylimidazolium chloride ([C2OC1-EIM]Cl) and 1-[2-(2-chloroethoxy)ethyl]-3-ethylimidazolium chloride ([Cl-C2OC2-EIM]Cl) were synthesized, and their chemical structures were confirmed by FT-IR and 1H NMR.

合成了三种含有羧基或醚基的离子液体， 1-羧甲基-3-乙基咪唑氯化物、1-甲氧乙基-3-乙基咪唑氯化物([C2OC1-EIM]Cl)和1-[2-(2-氯乙氧基)乙基]-3-乙基咪唑氯化物([Cl-C2OC2-EIM]Cl)，用FT-IR和1H NMR对它们的化学结构进行了表征。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。