哌嗪衍生物 piperazine derivatives英语短句 例句大全

哌嗪衍生物,piperazine derivatives

1)piperazine derivatives哌嗪衍生物

1.Five novelpiperazine derivatives,1,4-di(dithiocarbamate acteate)piperazine were synthesized as ashless and non-phosphorus environmentally friendly lubricating oil additives.合成了5种新型无灰无磷环境友好润滑油添加剂1,4-双(二硫代甲酸乙酸酯基)哌嗪衍生物,采用1HNMR、13CNMR、IR、UV-vis、MS和元素分析对其结构进行了表征,在热重分析仪上考察了其热稳定性能,并利用四球摩擦磨损试验机考察了其在液体石蜡中的极压性能和抗磨性能。

2.Sixpiperazine derivatives,1,4-di(dithiocarbamate acteate)piperazines,named 2a,2b,2c,2d,2e,2f,were synthesized from the reaction of piperazine with carbon disulfide and chloroacetate,whose structures and thermal stability were determined by 1H NMR,13C NMR,IR,UV-Vis,MS,elemental analysis and thermogravimetric apparatus,respectively.通过无水哌嗪与二硫化碳以及含不同酯基的氯乙酸酯反应,合成了6种新型无灰、无磷环境友好润滑油添加剂1,4-双(二硫代甲酸乙酸酯基)哌嗪衍生物2a、2b、2c、2d、2e、2f。

英文短句/例句

1.Synthesis and Biological Activity of 8-Piperazinomethylflavone Derivatives8-黄酮哌嗪衍生物的合成及生理活性研究

2.Research on Synthesis and Antitussive Activity of Dropropizine s Derivatives;羟丙哌嗪衍生物的合成与镇咳活性初步研究

3.Research on Synthesis and Antitussive Activity of Lveodropropizine s Derivatives;左羟丙哌嗪衍生物的合成与镇咳活性初步研究

4.Synthesis and Characterization of Porphyrins Containing Nitrogen Mustard and Piperazine Derivatives Substituents and Investigation on Their Biological Activities;氮芥和哌嗪衍生物卟啉的合成、表征及生物活性研究

5.Preparation and Analysis of Non-covalent Complexes of Cyclodextrins with Piperazine Derivative Compound SIPI5357哌嗪衍生物SIPI5357与环糊精分子非共价复合物的制备与分析

6.SYNTHESIS,CHARACTERIZATION OF NOVEL PIPERAZINE DERIVATIVES AND THEIR ANTI-WEAR BEHAVIOR IN LIQUID PARAFFIN新型哌嗪衍生物的合成、表征及抗磨性的初步考察

7.Synthesis and Bioactivity of Asymmetrical Bis-heterocyclic Substituted s-Triazolothiadiazole Piperazine Derivatives非对称双杂环取代均三唑并噻二唑哌嗪衍生物的合成及抗菌活性

8.The Synthesis of 3-(piperazin-1-yl)-1,2-benzo Isothiazole Derivatives;3-（1-哌嗪基）-1，2-苯并异噻唑衍生物的合成

9.Synthesis and Optical Properties of Novel Piperazine Derivatives新型哌嗪类衍生物的合成与光学性质研究

10.Studies on Synthesis and Biological Activity of Triazole Nucleoside Derivatives, Piperazine Substituted Ribose, and Isopropanol Derivatives;三氮唑核苷衍生物、哌嗪取代核糖衍生物及异丙醇衍生物的合成及生物活性研究

11.Synthesis and Biological Activity of Triazole Derivatives Containing Piperazine;含哌嗪的均三唑衍生物的合成及其生物活性研究

12.Study on the Synthesis and Tribological Properties of Keggin Siliconmolybdate Nanoparticles Modified with Piperazine or Thiadiazole Derivatives Ag[Ⅰ];哌嗪/噻二唑衍生物Ag[Ⅰ]修饰钼硅酸盐纳米颗粒的制备及摩擦性能

13.Research on Synthesis and Antitussive Activity of Lveodropropizine and Its Derivatives;左羟丙哌嗪及其衍生物的合成与镇咳活性初步研究

14.A compound derived from one of these isomers.三嗪衍生物由这几种三嗪衍生而来的化合物

15.A series of 2,4-diamino-6-substituted piperazine quinazolines was synthesized.本文报道2,4-二氨基-6-取代哌哗嗪基喹唑啉衍生物的合成及其抗疟活性。

16.Synthesis,Characterization and Single Crystal Structure of Ethyl 2-(Substituted-piperazin-1-ylmethyl)-quinoline-3-carboxylate Derivatives2-(取代哌嗪-1-甲基)-3-喹啉甲酸乙酯及其衍生物的合成、表征及晶体结构

17.Research Advance on Diketopiperazines Produced by Marine Microorganism海洋微生物中二酮哌嗪类化合物的研究进展

18.Studies on Syntheses of N-Substituted-4-Piperidone Derivatives;N-取代-4-哌啶酮衍生物的合成研究

相关短句/例句

phenylpiperazine derivatives苯基哌嗪衍生物

3)dropropizine derivatives羟丙哌嗪衍生物

1.Study on synthesis and antitussive activity ofdropropizine derivatives;羟丙哌嗪衍生物的合成及其镇咳活性

4)diketopiperazines哌嗪二酮衍生物

1.Progress in the synthesis ofdiketopiperazines;哌嗪二酮衍生物的合成研究进展

5)ArylPiperazines芳烷哌嗪衍生物

6)ligustrazine-piperazidine derivatives川芎嗪哌嗪衍生物

1.Synthesis and characterization ofligustrazine-piperazidine derivatives;川芎嗪哌嗪衍生物的合成与表征

延伸阅读

哌唑嗪分子式：C19H21N5O4分子量：382.42CAS号：19216-56-9性质：结晶，熔点278-280℃。其盐酸盐（[19237-84-4]）为白色结晶性粉末，熔点275（分解）。难溶于乙醇，略溶于等渗盐水和水中。无臭，味苦。制备方法：3，4-二甲氧基-6-氨基苯腈在水和二氯甲烷中与硫肛光气反应得3，4-二甲氧基-6-异硫氰酰苯腈（收率94%），将其与1-（2-呋喃甲酰）哌嗪在乙酸乙酯中反应得硫脲衍生物（收率90%），再与碘甲烷进行甲基化反应后用碱处理得游离S-甲基异硫脲衍生物（收率95%）。最后将S-甲基异硫脲簿生物与氨、氯化铵、尿素在甲酰胺中反应制得哌唑嗪。用途：该品选择性地阻滞突触后触膜上的α-受体，直接松弛血管平滑肌，扩张小动脉和小静脉，减轻心脏前负荷和后负荷，是一种较新的血管扩张药。