反应物

Four new salicylaldehyde derivatives with a glucose or mannose moiety were synthesized with 2-tert-butylphenol or 4-tert-butylphenol as the starting material, followed by the formylation, chloromethylation, nucleophilic substitution reaction with the desired carbohydrate. The salicylaldehyde derivatives condensed with ethylenediamine to give the Schiff bases, which coordinated with Mn to afford four novel sugar-based Salen Mn complexes.

首先，分别以2-叔丁基苯酚和4-叔丁基苯酚为起始原料，经过甲酰化反应、氯甲基化反应、和糖类衍生物的亲核取代反应制得了四种新型并入葡萄糖基或甘露糖基的水杨醛衍生物，将它们与乙二胺缩合生成希夫碱配体，得到的配体与过渡金属Mn~(3+)配位制备出四种新型含糖基的Salen Mn配合物。

Originally limited to dialkylamino methylenation, the application of Mannich reaction has been expanded much further in recent years to a wide variety of monosubstituted amines, amine equivalents and amides. In addition, a variety of Aza-Mannich and Mannich-Michael methodologies have emerged.

最初该反应的应用范围仅局限于二烷基胺亚甲基化反应，近年来才得到了长足的发展，其研究范围扩展到单取代的胺、胺的类似物以及酰胺等化合物，并发展形成Aza-Mannich和Mannich-Michael等复合Mannich反应。

The microwave-assisted reactions could be finished within several minutes to give high conversion and selectivity.Substrates whose aryl groups were substituted phenyl or naphthyl groups were more suitable in this reaction.

以TfOH为催化剂，在优化的反应条件下，大部分反应都可在数分钟内完成，该反应对于芳基是取代苯环或萘环的的底物效果较好，能得到较高的原料转化率和产物选择性。

Can induce the reaction of cleavage H atom from methyl on the ring of deactivated toluenes,such as nitrotoluene. The carbanions caused by base are the very important reaction intermediums, which determined the reaction rate and reaction effect.

该反应体系中，NaOH的加入对此催化反应起着相当关键的作用，研究表明强碱也能像温度一样促进苯环卜甲基的摘氢速度，使底物形成相应的硝基苯甲基阴离子，稳定的硝基苯甲基阴离子是氧化反应进行的重要中间体。

Mass spectra of the products of photo-induced reaction of the complexes Mg(superscript +)-NCSCH3 and Ca(superscript +)-NCSCH3 exhibits the presence of Mg(superscript +)Ca(superscript + from nonreaction quenching, Mg(superscript +)Ca(superscript +NC and MgCa(superscript +NCS from the rupture of S-C bonds, and rearrangement products Mg(superscript +) Ca(superscript +-CHSH.

复合物Mg-NCSCH3，Ca-NCSCH3光诱导反应的产物质谱表明有非反应猝灭产物MgCa(上标+，C-S键断裂产物Mg Ca(上标+NC和MgCa(上标+-NCS以及重排反应产物MgCa(上标+-CHSH通道。

The plastein reaction is considered to involve the formation of polypeptides by a reversal of the usual peptide bond hydrolysis to produce "resynthesized" protein or polypeptides from a hydrolysate of protein.

类蛋白反应通常认为是酶水解的逆反应，是指在一定条件下，通过蛋白酶的催化作用将高浓度的蛋白质水解物与蛋白酶一起加热处理，生成一种类似高分子蛋白质物质的反应。

The hydrophobic core serves as a reservoir for water-insoluble drugs.Hence,these nanoparticles can be used as carriers for hydrophobic drugs.For the synthesis of cholesterol-modified glycol chitosan conjugates,a carboxyl group was initially introduced to cholesterol molecule using succinic anhydride,and then covalently coupled with the primary amino group of glycol chitosan in the presence of 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride and N-hydroxyl succinimide.

本文采用二步反应将胆固醇接枝到乙二醇壳聚糖，首先将胆固醇进行羧基化，将胆固醇与琥珀酸酐反应生成胆固醇半琥珀酸酯，然后用1-乙基-3-(3-二甲基氨丙基)碳二亚胺盐酸盐与N-羟基琥珀酰亚胺作为偶联剂，将胆固醇半琥珀酸酯的羧基与乙二醇壳聚糖主链的氨基进行反应，得到胆固醇疏水改性乙二醇壳聚糖共聚物。

Hydroesterification of tert-butyl alcohol with ethanol catalyzed by transition metal triphenylphosphine complexes was first investigated in room temperature ionic liquids.

反应温度为100～140 ℃，CO初始压力为2～6 MPa条件下，研究了室温离子液体与过渡金属三苯基膦配合物构成的催化反应体系中，叔丁醇与乙醇的氢酯基化反应。

Chiral nonracemic fluoro-organic molecules with a fluorine atom on a stereogenic center are readily prepared via chiral electrophilic fluorinating reagent-mediated enantioselective fluorinations, substrate-controlled enantioselective electrophilic fluorinations, chiral metal complexes and asymmetric catalyst—directed catalytic enantioselective fluorinations.

高光学活性的手性氟化物可通过手性亲电氟化试剂诱导的立体选择性氟化反应，基于底物的手性氟化反应以及手性催化剂诱导的不对称催化氟化反应等来制备。

There are the non-saturated and carbon -carbon double keys and carboxyl group and special functional group derived from carboxyl group, so it is used in the polymerization and co-polymerization widely, can react with many kinds of the compounds, and produce a series of acrylic acid co-polymerization compound .

丙烯酸及其酯的化学结构中均有不饱和碳碳双键和羧基或羧基衍生的特性功能团，因此可广泛用于均聚反应和共聚反应，能与多种化合物反应，合成一系列丙烯酸共聚物。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。