Study developments on cyclization of piperazine and its derivatives from ethylenediamine;
乙二胺为原料合成哌嗪及其衍生物的研究进展
Macrokinetics study on gas-solid catalytic synthesis of anhydrous piperazine;
气固相催化合成无水哌嗪宏观动力学研究
Method A LC-MS n method was developed for the qualitative analyses of the two related compounds (enalaprilat and diketopiperazine),and a HPLC-UV method was applied to the quantitative assay.
方法采用液相色谱质谱联用法 (LC MSn)对依那普利的两种相关物质 (依那普利拉及二酮哌嗪 )进行定性分析 ,采用反相高效液相色谱法 (HPLC UV)对依那普利的 2种相关物质进行定量分析。
Taking advantage of the steric effect of nitrogen atoms in 2-methylpiperazine, selective monobenzoylate on the nitrogen atoms were investigated by five synthetic routes.
根据2-甲基哌嗪中N原子位阻效应的差异,研究了其选择性单酰化反应。
pipes[piperazine-1, 4-bis(2-ethanesulfonic acid)]
PIPES 1,4-哌嗪二乙磺酸
Synthesis and Analysis of 2, 3-Dioxopiperazine and 4-Ethyl-1-Hydroxy-2, 3-Dioxopiperazine;
2，3-双氧哌嗪与4-乙基-1-羟基-2，3-双氧哌嗪的合成及分析
Determination of levodropropizine buccal tablets by RP-HPLC
反相高效液相色谱法测定左羟丙哌嗪含片中左羟丙哌嗪的含量
Pharmacokinetic Studies on FY-10 and Levodropropizine;
FY-10与左羟丙哌嗪药代动力学研究
Synthesis and Analysis of 4-Ethyl-1-Chloroformyl-2,3-Dioxopiperazine;
4-乙基-2，3-双氧哌嗪酰氯的合成及分析
Application of Phosphate Ester and Tetrabutyl-piperazine Iodide in DSSCs;
磷酸酯和四丁基哌嗪碘盐在DSSCs的应用
Study on Polypiperazing-Amide/Polysulfone Composite Nanofiltration Membrane;
聚哌嗪酰胺/聚砜复合纳滤膜的研究
Synthesis of 2, 5-dimethylpiperazine;
2，5-二甲基哌嗪合成工艺的研究
The Synthesis of Piperazine Modified Polydimethylsiloxane and Research on Structure and Performance;
哌嗪型氨基硅油合成与构效关系研究
Study on the New Synthesis Technology of 2, 6-dimethypiperazine;
2，6-二甲基哌嗪合成新工艺研究
Studies on the Process and Catalyst for Preparing N-Ethylpiperazine;
N-乙基哌嗪合成工艺及催化剂研究
Study On the Synthesis of CIS-2, 6-Dimethylpiperazine;
顺式-2,6-二甲基哌嗪合成工艺研究
Synthesis of 1,4-Dinitrofurazano[3,4-b] piperazine(DNFP)
1,4-二硝基呋咱并[3,4-b]哌嗪(DNFP)的合成
Synthesis of 1-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)-2-formyl piperazine
1-(1,4-苯并二噁烷-2-甲酰基)哌嗪的合成
Synthesis of Flame Retardant Dicyanuric Acid Piperazine with Potassium Iodide as Catalyst
碘化钾催化合成阻燃剂二氰脲酸哌嗪
Synthesis of N-methylpiperazine over CuO-NiO/Al_2O_3 Catalysts
CuO-NiO/Al_20_2催化剂上N-甲基哌嗪合成研究
Advances in the research of piperazine compounds as enzyme inhibitors
哌嗪化合物作为酶抑制剂的研究进展
SELECTION AND CHARACTERIZATION OF THE CATALYSTS FOR SYNTHESIS OF 2-METHYLPIPERAZINE
2-甲基哌嗪合成催化剂的筛选与表征