piperidine
英
美
n. 哌啶
双语例句
- Studies on the Synthesis of Piperidine Intermediates and New Loratadine Analogues
新氯雷他定类似物及其哌啶类中间体的合成研究 - We specialize in the research, development, production and sales of pharmaceutical intermediate, piperidine serial derivate and high molecular auxiliary agent.
主要从事医药中间体，哌啶系列衍生物及高分子助剂等精细化学品的研发和产销。 - Application and Preparation of 4-( 4-Fluorobenzoyl) piperidine Hydrochloride
4-（4-氟苯甲酰基）哌啶盐酸盐的合成与应用 - Dinitrobenzoic acid piperidine salt Synthesis and Characterization of 4-( p-Nitrylstyryl) pyridine Hydrogen Bonded Liquid Crystals
二硝基苯甲酸六氢吡啶盐4-硝基苯乙烯基吡啶类氢键液晶的合成及表征 - The crude dye is collected on a filter and then recrystallized from ethanol containing a small amount of piperidine.
粗染料过滤，然后在少量含有哌啶的乙醇中重结晶。 - Objective To investigate antidepressant-like effects and mechanisms of piperine and its derivative, 3,4-methylene dioxy cinnamoyl piperidine ( MDP).
目的研究胡椒碱及其衍生物3，4次甲二氧桂皮酰哌啶的抗抑郁作用，并对其作用机理进行初步探讨。 - Study on Synthesis and Physicochemical Properties of Allylic Piperidine Ionic Liquid
烯丙基哌啶类离子液体的合成与物化性能研究 - The New Process of Pyridine Produce Piperidine
吡啶生产哌啶的新工艺 - The substituted naphthopyrans have been synthesized by the reaction of aromatic aldehydes with malononitrile ( or ethyl cyanoacetate) and β-naphthol in ethanol at reflux in the presence of piperidine. The structure of 4h was determined by single-crystal X-ray diffraction study.
以芳醛、丙二腈（或氰乙酸酯）、β-萘酚为原料在六氢吡啶存在下以乙醇为溶剂一锅合成了取代萘并吡喃，产物的结构通过单晶X射线衍射分析确定。 - Study on the Piperidine Catalyzed Synthesis of Substituted 2-amino-2-chromenes by Microwave Irradiation
微波条件下哌啶催化合成取代的2-氨基-2-苯并吡喃的研究 - Mesoporous W-MCM-22 molecular sieves were prepared for the first time by directly hydrothermal synthesis using silica gel as the source of silicon, sodium tungstate as the tungsten source, piperidine as a structure-directing agent ( SDA) and boric acid as a structure-supporting agent under dynamic state.
通过动态法以哌啶（PI）作为模板剂.硼酸作为结构承载助剂，硅溶胶作为硅源，钨酸钠作为钨源，水热晶化合成了W-MCM-22介孔分子筛。 - The crystal structure of p-chloro benzoyl piperidine
对氯苯甲酰哌啶晶体结构 - It has been shown through kinetic studies that the reactions between piperidine nitroxides with some biological small molecules, e.g. cysteine, glutathione, ascorbic acid, in solution or micelles proceed by electron transfer mechanism.
哌啶氮氧自由基与一些生物小分子，如半胱氨酸、谷胱甘肽、抗坏血酸等，在溶液及胶束中的反应经过动力学研究证明反应的单电子转移机理。 - S-benproperine was obtained by submitting the same tosylate to two consecutive S_N2-type reactions with LiBr and piperidine.
与LiBr和哌啶发生两次SN2反应制得S苯丙哌林。 - The contact Charge transfer ( CCT) complexes formed from piperidine nitroxides and halomethanes and their photo-induced electron transfer reactions were studied by UV absorption spectrometry.
本文应用UV法研究了哌啶氮氧自由基与卤代甲烷所形成CCT络合物及其光诱导的电子转移反应。 - Studies on Biological Activities Molecule with Piperidine Ring
含有哌啶环的生物活性分子的研究 - Effects of different PH's and deoxygenation were studied on ESR spectra of several piperidine nitroxyl radicals in solutions.
本文研究不同PH和去氧对数种哌啶系氮氧自由基在溶液中的ESR波谱的影响。 - Studies on Methyl Methacrylate Polymerization Initiated with Piperidine Derivatives and Organic Peroxide Systems
哌啶类化合物和有机过氧化物体系引发甲基丙烯酸甲酯聚合的研究 - Studies on Nitroxides(ⅺ)& One-Electron Transfer Reaction of Piperidine Nitroxides with Hydroxylamine
氮氧自由基的研究（Ⅺ）&哌啶氮氧自由基与羟胺的单电子转移反应 - This essay refers to the test in which absorbability for microscale gold is conducted through 410# piperidine resin.
试验了410哌啶树脂对微量金的吸附性能。 - Studies on the ESR characteristics of four piperidine nitroxyl radicals. ⅲ. pH effects and deoxygenation effects
四种哌啶系氮氧自由基的ESR特性研究Ⅲ.pH效应和去氧效应 - The synthesis method of methyl 3-( methylthio) propionate was reported in this paper. Methyl acrylate and Methanethiol are used as reaction materials, and piperidine is used as catalyst. The yield rached 82.0%.
对3－甲硫基丙酸甲酯的合成方法进行了研究.以丙烯酸甲酯和甲硫醇为原料，在哌啶催化下合成了3－甲硫基丙酸甲酯，产率达到82.0%。 - 2,2,6,6-Tetramethyl-1-piperidine-N-oxyl free radical was synthesized by two steps.
2,2,6,6-四甲基哌啶氮氧自由基的合成分为两步。 - This clearly demonstrates the influence of tho large substituent group on the N atom of piperidine ring.
这充分显示了分子中N原子上带有较大基团的影响。 - A new extracting agent of piperidine derivant was synthesized.
合成了一种新萃取剂哌啶多氮衍生物。 - In chapter 3, based on the work of our lab, 13 naturally occurring unsaturated amide alkaloids bearing pyrrolidine, isobutyl and piperidine moieties and one analogue were synthesized by Ramberg-Backlund reaction.
第3章将本组在Ramberg-Backlund反应方面的研究拓展到共轭多烯酰胺生物碱的合成中。以该反应为关键步骤合成了13个具有吡咯烷，异丁基或哌啶结构的天然生物碱和一个类似物。 - Hydroquinone was performed via single-benzyl protection, condensation with 1, 2-dibromethane and piperidine in turn and hydrogenation-deprotection to provide the intermediate 4-[ 2-( 1-piperidinyl) ethoxy] phenol.
以对苯二酚为原料，经单苄基保护后，依次和1,2-二溴乙烷及哌啶进行缩合反应，缩合产物经脱苄基得到阿佐昔芬的另一中间体4-[2-（1-哌啶基）乙氧基]苯酚。 - The protocol has also been extended to a multicomponent reaction of cyclohexyl isocyanide with various aldehydes and 1,3-dicarbonyl compounds catalyzed by piperidine.
并将该反应推广到了环己基异腈、醛、1，3-二羰基化合物的多组分反应中。