-甲基哌啶

Functionalized tetrahydropyridine and piperidine ring systems are widely found in biologically active natural products and pharmaceuticals.

四氢吡啶和哌啶环结构是那些有生物活性和药用价值的天然产物中最常见的结构之一。

Triethylamine and piperidine were distilled from CaH2 under argon immediately prior to use.

三乙基氨和哌啶从CaH2被蒸馏了在氩之下立刻在用途之前。

The invention relates to a preparation method of chiral alpha-alkenyl-alpha'-alkyl piperidine and relative N-Cbz derivative and an application.

本发明涉及一种手性α-烯基-α'-烷基哌啶及其N-Cbz衍生物的制备方法和应用。

Firstly, we selected the catalyst for piperidine oxidation reaction, and obtained the compound catalyst of silicon tungsten molybdic acid.

首先就哌啶醇催化氧化合成TEMPO反应使用的催化剂进行筛选，得出催化效果显著的硅钨钼酸与乙二胺四乙酸复合催化剂。

Piperidine alkaloids are widespread in nature and many piperidine-ring containing compounds exhibit significant biological activities.

中文摘要：含哌啶环化合物大多具有重要的生理活性，在医药、生化和临床上具有广阔的应用前景。

In this thesis, we developed a new method to construct 2, 3, 6-trisubstituted piperidines using enantiopure -amino acid derivatives as the starting material and applied them to the synthesis of some piperidine alkaloids which showed interesting physiological activities.

本论文中，我们从非手性原料出发，通过手性胺对、(-不饱和酯的Michael加成来获得光学纯的-氨基酸酯，发展了一种构建2、3、6-三取代哌啶环的方法，并利用这种方法合成了一些具有重要生理活性的生物碱类天然产物。

Aim According to the targets of 5-HT transporter and 5-HT2A receptor, a series of N -indolalkyl piperidine derivatives and their analogues were synthesized and tested for their biological activities.

摘要摘 要：目的以5-羟色胺转运体和5-HT2A受体为靶点，设计合成 N -吲哚烷基哌啶类化合物及其类似物，研究它们的体内外生物活性。

Pharmaceutical Industry for the production of Bicyclohexane Piperidine BENZTROPINE Dihydrobrohide, diphenhydramine hydrochloride salt.

医药工业中用于生产双环己哌啶、苯甲托品氢溴酸盐，苯海拉明盐酸盐等。

We discussed the syntheses of two different types of plant alkaloids in this thesis. In part A, we aimed at total syntheses in two kinds of aporphine alkaloids, lirioferine and boldine. In part B, we developed a tactic about radical cyclization in polyhydroxylated piperidine synthesis.

中文摘要本篇论文中探讨了两种不同种类植物碱的合成，在A部分中，我们针对阿朴吩类天然物中的鹅掌楸啡碱与波儿丁碱做了各自的全合成研究；在B部分中，我们发展了一种自由基环化策略运用在含多羟的哌啶类化合物之合成上。

The piperidine and its ramification selected as raw material to synthesis α-aminonitriles were studied in detail firstly. The oxidation potentials of the amines were determined through the liner sweep voltammetry study.

首先详细研究了以哌啶及其衍生物作为合成原料，通过极化曲线法确定了其氧化电位，并首次发现了氧化电位与1H NMR的化学位移之间的相关性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐