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Methodological furan and reaction of Diels-Alder of course of Ma Lai anhydride are generated go armour goes element of hydrogenous Chinese blister beetle, reductive below palladium charcoal catalysis into go element of armour Chinese blister beetle, with replace aniline condensation to become nitrogen - phenyl goes acyl of armour Chinese blister beetle inferior the ramification of amine.

方法呋喃和马来酐经过Diels-Alder反应生成去甲去氢斑蝥素,在钯炭催化下还原成去甲斑蝥素,和取代苯胺缩合成氮-苯基去甲斑蝥酰亚胺的衍生物。

Development period of the parasitoid pupa from the 5th instar larva fed on MSB was significantly longer. Length of cocoon of MSB treatment was significantly shorter than the control. However, no obvious differences were detected in the development periods of egg to larva, cocoon mass size, wasp emergence rate, sex ratio, longevity and forewing length of wasp between KMD1 and the control. 3. Amino acid content in the haemolymph of SSB after fed with transgenic rice Although there were no changes on the components of amino acids in the haemolymph of SSB after fed with two transgenic rice lines, there were some changes on relative contents of amino acids.

取食KMD1 36h后0天,20种氨基酸中除天门冬酰胺、丝氨酸、苏氨酸和甲硫氨酸外,其它16种氨基酸的含量都高于对照,其中组氨酸、甘氨酸、苯丙氨酸、异亮氨酸、赖氨酸差异达显著水平,谷氨酰胺、脯氨酸差异达极显著水平,与氨基酸总量表现一致的变化趋势;取食KMD1后1天,除天门冬酰胺、谷氨酰胺和赖氨酸高于对照外,其它17种氨基酸均较对照低,但仅丝氨酸、苏氨酸和色氨酸与对照差异显著;取食KMD1后3天,绝大多数氨基酸含量的变化与取食KMD1后0天的趋势一致,除丙氨酸和色氨酸比对照稍低,其它18种氨基酸均高于对照,其中精氨酸、缬氨酸差异显著,丝氨酸差异达极显著。

Methods 4-Hydroxybenzonitrile (2) as the starting material was transformed to 4-hydroxy-thiobenzamide (3) via thioformylation. And ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate (4), which was synthesized via cyclization from 3, was treated with hexamethylenetetramine to generate the intermediate ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate (5). The target compound febuxostat (1) was obtained from 5 by etherification, cyanidation, hydrolysis.

以羟基苯腈为原料,经硫代甲酰化得到对羟基硫代苯甲酰胺(3),3经环合得到2-(4-羟基苯基)-4-甲基-噻唑-5-羧酸乙酯(4),4与乌洛托品反应,得到中间体2-(3-甲酰基-4-羟基苯基)-4-甲基-噻唑-5-羧酸乙酯(5),之后再经醚化、氰化、水解得到目标产物(1)。

We also found for the first time that the reaction between ketone and alcohol to ketal was catalyzed by benzamide and their derivatives, and the related mechanism is proposed. Furthermore, under the same irradiation condition, the photo-reaction of succimide with alcohol as well as the photolysis of benzene sulfonamide was also found and studied.

并首次发现在紫外光激发下,苯甲酰胺对酮和醇生成缩酮的反应有一定的催化作用,进而对一系列芳酰胺类化合物作了对比实验,发现芳酰胺类化合物均能对缩酮的生成有催化作用,并对芳酰胺的作用机理进行了初步探讨。

Results show that, by using thionyl chloride and N,N-dimethyl formamide as chlorinating reagent and dichloromethane as solvent and taking -15℃ as reaction temperature, Z-iomer crystals with pale white color and stable to temperature can be obtained with an overall yield of 70%.

以2-(2-氨基噻唑-4-基)-2-甲氧亚氨基乙酸为原料,经盐酸化、氯代等反应合成了Z-2-(2-氨基噻唑-4-基)-2-甲氧亚氨基乙酰氯盐酸盐;氯代时以用亚硫酰氯和N,N-二甲基甲酰胺的混合物代替五氯化磷作氯化剂,并考察了温度和溶剂对氯代产物中Z-异构体和E-异构体收率的影响。

Similar to S-adenosylmethionine decarboxylase(B26),S-adenosylmethionine methyl-transferase(B70), allene oxide synthase(B38),ethylene receptor(B96),cytochrome P450(B58) and methionine synthase (B77) were found in ovaries of Pingyi Tiancha at 1d before the blossom day,which related to plant hormone and could participate in metabolic pathways of ethylene,polyamine,jasmonate acid and gibberellin,et al.,as well as had close relationship with maturity and senescence of plants.

在平邑甜茶开花前1d的子房中发现的S-腺苷甲硫氨酸脱羧酶(B26)、S-腺苷甲硫氨酸甲基转移酶(B70)、丙二烯氧化合酶(B38)、乙烯受体(B96)、细胞色素P450酶(B58)、甲硫氨酸合酶(B77)等相似基因片段与植物体内的生长素有关,将会参与乙烯、多胺、茉莉酸、赤霉素等的代谢途径,与植物的成熟和衰老具有密切的关系。

A novel liquid crystalline compound named p-phenylenediamine di 4-[2- benzamide] was synthesized from allyl 2-hydroxyethylether, ethyl 4-hydroxybenzoate and p-phenylenediamine.

以乙二醇单烯丙基醚、对羟基苯甲酸乙酯、对苯二胺为原料合成了末端为不饱和双键的芳香聚酰胺溶致型液晶化合物——二对烯丙氧基乙氧基苯甲酰对苯二胺,最佳合成的摩尔比为∶羧酸∶对苯二胺∶吡啶=2。

The solvents commonly used in the solvothermal synthesis include alcohols (such as methanol, ethanol, isopropanol, alcohol, ethylene glycol, glycerine, etc.), amines (such as hexamethylenediamine, dimethylformamide, triethanolamine), Acetonitrile and Propionitrile, the differences of functional groups, varieties of kinds together with a wide differences of polarity, dielectric constant and boiling point of organic solvents greatly increase the diversities of the product.

溶剂热合成常用的溶剂有醇类(如甲醇、乙醇、异丙醇、正丁醇、乙二醇、甘油等),胺类(如己二胺、二甲基甲酰胺、乙醇胺),乙腈和丙腈等,有机溶剂由于带有不同的官能团,种类繁多,具有不同的极性、介电常数、沸点等,大大增加了合成产物的多样性。

Two new active esters of acrylic acids monomers, N-p-acryloxybenzoyloxy succini-mide and N-p-methacryloxybenzoyloxy succinimide have been synthesized and polymerized.ABOSu and MBOSu were prepared by coupling of p-acryloxybenzoic acid or p-methacryloxybenzoie acid with N-hydroxy succinimide in the presence of dicyclohexylcarbodimide.

新的丙烯酸活性酯,N-(对甲基丙烯酰氧苯甲酰氧基)丁二酰亚胺及N-丁二酰亚胺单体分别由对甲基丙烯酰氧基苯甲酸、对丙烯酰氧基苯甲酸与N-羟基丁二酰亚胺在环已基羰二亚胺存在下经偶联反应合成。

This research utilized the method of organic synthesis, researching different amounts and positions of hydroxy-substituted benzoic acid and serotonin into amide reaction, so as to produce a series of polyhydroxy substituted N-benzoylserotonin derivatives (compound 1-10). Accordingly, this study conducts the following four tests. I. The activity of antioxidant and the experiment of ability to scavenge DPPH free radical, II. The ability of overall antioxidant—the activity of TEAC, III. The activity test of inhibit Tyrosinase, and IV. The study of absorbing UV / VIS Spectrophotometers. This study use trolox, arbutin, and octyl salicylate as the control groups, and to test the ability of anti-oxidation, the activity of inhibit Tyrosinase, and the ability of absorbing UV. This research ultimately intends to investigate the applied value of those compounds into cosmetics.

本研究主要利用有机合成的方法,将不同数量及不同位置的羟基取代苯甲酸化合物与色洛冬宁进行醯胺化反应后,得到一系列的多羟基取代之N-色洛冬宁苯甲醯胺衍生物(化合物1 ~ 10),进行四种不同活性测试方法:一、清除DPPH自由基能力抗氧化活性测试;二、总抗氧化能力活性测试;三、抑制酪胺酸酶活性美白测试;四、紫外线/可见光光谱仪吸收测试,并以水溶性维生素E、熊果素、水杨酸辛酯当作对照组,探讨其抗氧化能力、抑制酪胺酸酶的活性能力与吸收紫外线能力,再进一步探讨其应用於化妆品上的价值。

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The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因,如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务,你就做你的事好了。

Who is in possession of this?

这是谁的?