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- piperyl piperidine 胡椒碱, 胡椒酰胺
- 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。
- The mass fraction of isocyanurate was calculated by piperidine method. 采用六氢吡啶法测出了异氰腺酸酯的质量分数。
- Compared with those of piperidine and mor-pholine methods,the results indica... 通过与哌啶法、吗啉法的对比实验,表明该法准确可靠、简便易行。
- 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。
- CAS:[ 106266-04-0] 4-(2,4-Difluorobenzoyl)piperidine hydrochloride (Risperidone intermediat... 供应4-(2，4-二氟苯甲酰基)-哌啶盐酸盐（图）
- It is analyzed that different Raman scattering intensity of piperidine on the silver film and in the silver sol-gel. 同时分析出了六氢吡啶在银溶胶及银膜表面拉曼散射光强增强程度不同的原因。
- It mainly deals in amino acid derivatives, indole, pyrrolidine, piperidine and piperazine series. 主营：氨基酸衍生物系列,吲哚系列,吡咯烷系列、哌啶系列,哌嗪系列。
- I think because the anhydrous condition was insufficient and the piperidine was not pulled out entirely. 其中BOP和三氯均三氰活化为Fmoc-氨基醇的制备提供了一个更适合生产的方法，但总体上来讲三种方法的产率不太高。
- Piperidine is a normal constituent in mammalian brain, affects synaptic mechanism in the CNS. 哌啶是正常存在于哺乳动物脑内的一个成分，具有较强的中枢神经系统活性，而哌啶-3-甲酸则显示了较好的GABA转运蛋白抑制活性。
- Inversion of the original stereocenter via an efficient intramolecular SN2 amination affords the piperidine core of IS811, a potent CCR3 antagonist. 倒置原立体高效利用氮的分子内2核心is811胺哌啶阻滞、烈性上CCR3拮抗.
- 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。
- This methodology provides an easy to use, efficient yet flexible procedure for the formation of pyrrolidine and piperidine ring containing compounds. 在研究中我们发现了一种新的孤立双键的溴代氮环化方法，并成功利用该方法进行了不对称诱导形成新的手性中心的研究。
- BMWW was synthesized under static hydrothermal crystallization conditions using hexamethyleneimine(HMI) or piperidine(PI) as a template. 本文分别以哌啶(PI)和六亚甲基亚胺(HMI)为模板剂用静态水热法合成出B-MWW分子筛。
- 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。
- METHODS The target compounds were synthesized through the 2-substitutied isoflavone reaction with epichlorhydrin,and then reacting with piperidine. 方法以2-位取代的异黄酮与环氧氯丙烷反应,再与哌啶反应,得目标化合物。
- A diastereoselective version for the synthesis of chiral pyrrolidine and piperidine ring containing compounds was also developed. 利用由本项目拓展的方法，我们成功全合成了生物碱石蒜碱及单萜化合物紫牡丹内酯，合成了蛙皮毒素的重要合成中间体。
- Conclusion:Piperidine shows satisfying effects and deserves further research as a promising catalyst in aldol condensation... 结论:以哌啶为催化剂,经羟醛缩合制备查尔酮类化合物具有一定的优越性,值得进一步深入研究。
- 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。
- No matter natural or synthetic piperidine derivatives exhibit an extensive range of biological activities such as anti-tumor, anti-inflammatory, anxiolytics, anti-epileptics. 不论是天然的还是非天然的哌啶衍生物均可表现出诸如抗肿瘤、抗炎、抗焦虑、抗癫痫等多种多样的生物活性。
