查询词典 acid amides

It is composed of three different groups of chemicals, namely cinnamic acid amides, valine amide carbamates and mandelic acid amides.

该类杀菌剂由3组化学结构各不相同的化合物组成，包括肉桂酰胺、缬氨酰胺氨基甲酸酯和扁桃酰胺类。

Methods The amides were prepared from tryptophan and different acid t1erivaties by the catalytic dehydration of dicyclohexyl carbodiimide. The characteristic heterocyclic ring system of 5-(3'-indolyl)-oxazoles was constructed by oxidative cyclization of amide, using dicholorodicyanoquinone.

以色氨酸为原料，与取代的苯甲酸在DCC催化下脱水缩合得到酰胺，再通过DDQ芐位氧化和分子内环合件成5-（3'-吲哚基）-恶唑。

Carboxylic acid amidechemicals are a kind of novel systemic fungicide with satisfied activity against disease caused by oomycete pathogens.

中文摘要：羧酸酰胺类（Carboxylic acid amides， CAAs）化合物是一类对卵菌病害具有优异防治效果的新型杀菌剂。

To improve the yield of an Amide-type Tripodal Ligand and investigate its coordination with rare earth ion under mild condition,a series of Amide-type Tripodal Ligands(L1—L4) have been prepared by the reactions of nitrilotriacetic acid and oxalyl chloride with four kinds of amides,respectively.

为了提高酰胺型三脚架型配体的产率，进一步研究其与稀土离子的配位形式及配合物的荧光性能，以氨三乙酸为母体，草酰氯为氯化试剂，与4种胺在较温和的条件下合成了具有三脚架型结构的配体(L1—L4)，并考察了实验条件、反应温度、反应体系溶剂、缚酸剂、反应时间及催化剂对反应产率的影响。

Kinetic spectrophotometric method for the determinationof trace nitrilotriacetic acid;2. To improve the yield of an Amide-type Tripodal Ligand and investigate its coordination with rare earth ion under mild condition,a series of Amide-type Tripodal Ligands(L1—L4) have been prepared by the reactions of nitrilotriacetic acid and oxalyl chloride with four kinds of amides,respectively.

为了提高酰胺型三脚架型配体的产率，进一步研究其与稀土离子的配位形式及配合物的荧光性能，以氨三乙酸为母体，草酰氯为氯化试剂，与4种胺在较温和的条件下合成了具有三脚架型结构的配体(L1—L4)，并考察了实验条件、反应温度、反应体系溶剂、缚酸剂、反应时间及催化剂对反应产率的影响。

Starting from chiral proline, pipecolinic acid, piperazine-2-carboxylic acid and 1,2-diphenyl amino alcohol, a series of structurally simple and easily prepared amides were developed as highly effective Lewis basic organocatalysts for the asymmetric reduction of imines with trichlorosilane as the reducing agent, which promoted the reduction of N-aryl imines with high yields and excellent enantioselectivities with an unprecedented substrate spectrum.

本文分别由手性脯氨酸、哌啶酸、哌嗪酸以及氨基醇出发，设计和合成了一系列结构新颖、合成简便、性能优良的酰胺类有机小分子路易斯碱催化剂，以廉价的三氯氢硅为氢源，用这些催化剂催化亚胺不对称还原，得到了非常优良的收率、对映选择性和前所未有的底物普适性。

However, the ratio of the unsaturated and saturated fatty acid amide is relatively stable in downcore indicating that there is no selectivity between those two types of fatty acid amides during diagenesis processes, including biological, chemical and physical degradation. For this reason, we suggested that the depositional environment in Qarhan paleolake was relatively aerobic during the organic component deposition.

另一方面，不饱和脂肪酸酰胺与饱和脂肪酸酰胺的相对量的比值在剖面上并没有呈现明显下降的趋势，说明各种生物、物理及化学作用对饱和与不饱和脂肪酸酰胺的降解过程不存在明显的选择性，指示了有机质在沉积过程中处于一个偏氧化的环境。

Our fatty acid amides add slip to plastic surfaces, so plastic bags can be easily peeled apart.

我们的脂肪酸氨基化合物能使塑料制品表面更光滑，所以塑料袋能很容易地分开。

Fatty acid amides are next with consumption of 70 million pounds, followed by fatty acid esters at 60 million pounds, fatty acids at 15 million pounds and miscellaneous, 10 million pounds.

再其次是脂肪酰胺，用量是 3.18 万吨；脂肪酸酯的用量是 2.72 万吨，脂肪酸用量是 6803 吨，其它各种蜡的用量是 4536 吨。

Waxes used as extrusion plastic additives, primarily in the production of extruded plastic products, include petroleum waxes, polyethylene waxes, Fischer-Tropsch waxes, metallic stearates, fatty acid amides, and fatty acid esters.

蜡产品用作挤塑添加剂，主要用于挤出塑料产品，有石油蜡、聚乙烯蜡、费-托蜡、金属化硬脂酸盐、脂肪酰胺和脂肪酸酯。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了