查询词典 pyrazolone

The transfer behavior of pyrazolone derivatives, such as antipyrine, aminopyrine, 4-aminoantipyrine and analgin, across the W/NB interface was investigated. The three medicines studied can form complex with a proton and the complex formed can transfer reversely across the W/NB interface and the transfer process was controlled by diffusion. The transfer of protonated analgin was not observed within potential window because of its high transfer potential.

研究了吡唑啉酮类的安替比林、氨基比林、4-氨基安替比林和安乃近四种药物在W/NB界面的转移行为，前三种药物在一定pH值的水溶液中结合一个质子形成1∶1质子配合物，并能在W/NB界面发生可逆转移，其转移过程受扩散控制，安乃近的质子化物由于有较高的转移电位而未在电位窗内观察到其转移峰。

The adsorption isotherms of aminoantipyrine, antipyrine, pyrazolone and the competitive adsorption isotherms of aminoantipyrine and antipyrine on the imprinted stationary phase were determined using rectangular pulse frontal analysis and static method.

并利用前流分析和静态分析法研究了氨基安替比林、安替比林和吡唑酮单组分以及氨基安替比林与安替比林的竞争吸附等温线。

A novel β-diketone ligand 3-methyl-phenyl-4-octadecyl-5-pyrazolone and nanoparticle Al2O3 modified by the ligand PMOP were synthesized and characterized by infrared spectroscopy, UV-Vis spectroscopy, 1H NMR and photoluminescence spectroscopy.

合成了以β-二酮配体3-甲基－1-苯基－4-吡唑啉酮-5修饰的Al2O3纳米粒子，并用IR、UV光谱、NMR和荧光光谱等手段进行了表征。

In this paper, a novel kind of pyrazolone derivatives and their transition metal complexes have been synthesized by the reaction of 4-acylpyrazolone with hydrazide and salicylthydrazone.

本文以4-酰基吡唑啉酮为主体分别与酰肼类和酰腙类有机化合物反应，合成了新的吡唑啉酮衍生物及其它们的过渡金属配合物。

The title compound C_(27)H_(23)FN_(4)O_(2)C_(2H_(5)OH was obtained by the reaction of 1-phenyl-3-methyl-5-pyrazolone with 2-fluorobenzaldehyde in ethanol in the presence of piperidine under microwave irradiation and recrystallization from ethanol.

标题化合物C27H23FN4O2(C2H5OH)是由2分子1-苯基-3-甲基-5-吡唑啉酮和1分子2-苯甲醛微波辐射4 m in，用乙醇重结晶得到。

The integrated analytical results show that the novel ligand coexists in ketoform and enolform structures under the measuring conditions, the ketoform structure may change into the enolform structure during the coordination and bonds with the central ion by two O atoms of the enolized hydroxyl group of pyrazolone ring and H2O and the N atom of the imine group and the N atom containing H of benzimidazole ring by losing the proton. And the coordination number of these complexes is four.

综合各种分析结果显示：配体在测试条件下以酮式和烯醇式结构共存，配位时酮式可能转化为烯醇式结构，按去质子的方式以吡唑啉酮环羟基和H2O上的两个O原子以及亚胺基上的N原子和苯并咪唑环上的含氢N原子与中心离子成键，配合物的配位数为4。

Ethanol was substituted for N,N-dimethyl sulfoxide as solvent of colouring agent pyrazolone and better results were obtained.

改用无水乙醇代替N，N-二甲基甲酰胺作为显色剂吡唑啉酮的溶剂，效果更好。

The synergistic extraction of uranyl nitrate with binary system of 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5 and tributyl phosphate or diphenyl sulfoxide, and ternary system of PMBP-DPSO-TBP were studied.

本文研究了1-苯基3-甲基4-苯甲酰吡唑酮-5与磷酸三丁酯或二苯亚砜的苯溶液从硝酸介质中对U的萃取，实验发现有显著的二元协萃效应，并测定了二元协萃络合物的组成为 UO_2A_2·TBP或 UO_2A_2·DPSO，求得二元协萃平衡常数为1gβ_(12)=3.58，1gβ_(13)=3.61。

Two novel pyrazolone derivatives 2-ethylamino-6H-5-(1-phenyl-3-methyl/phenyl-5-pyrazolone-4-ylene)-1,3,4-thiadiazine (PMCP-ETSC/DPCP-ETSC) containing NNS six-membered heterocycles were synthesized by the condensation reaction of 1-phenyl-3-methyl/phenyl-4-chloroacetyl-pyrazolone-5 with 4-ethyithiosemicarbazide. The title compounds were characterized by elemental analysis, IR, 1H NMR, 13C NMR and single-crystal X-ray diffraction.

利用1-苯基－3-甲基／苯基－4-氯乙酰基－吡唑啉酮－5与4-乙基氨基硫脲发生缩合反应，生成了2个新的双杂环化合物2-乙氨基－6H-5-（1-苯基－3-甲基／苯基－5-吡唑啉酮－4-基）－1，3，4-噻二嗪(PMCP-ETSC/DPCP-ETSC)，并对其进行元素分析、红外光谱、核磁共振表征和晶体结构分析。

A series of lanthanide complexes (Ln = Er, Nd, Yb) with infrared emission properties were designed and synthesized by using different anionic ligands [1 -phenyl-3-methyl-4-(4-tertbutylbenzoyl)-5-pyrazolone and l-phenyl-3-methyl-4--5-pyrazolone and 2-naphtoyl trifluoroacetone] and netural ligands (2,2-dipyridine, phenanthroline, triphenylphosphine oxide and water). Three crystal structures of these complexes were obtained and structure studied, and the properties of photoluminescence and fluorescent lifetime were studied in detail.

我们通过选用不同的第一配体[1-苯基-3-甲基-4-(4-异丁酰基)-5-吡唑酮，1-苯基-3-甲基-4-(4-叔丁基苯甲酰基)-5-吡唑酮和2-萘基三氟乙酰丙酮]和第二配体(2，2-联吡啶，邻菲啰啉，三苯基氧膦)合成了16个稀土红外配合物(Ln=Er，Nd，Yb)，获得了其中三个配合物的单晶结构，研究了这些稀土红外配合物的光致发光和荧光寿命等性质。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。