pyrazole相关论文
In the synthesis of l-phenyl-5-substituted amino-4-pyrazole N-alkyl amide,it was found for the first time that one of t......
Multisubstituted pyrazole synthesis via [3+2] cycloaddition/rearrangement/N--H insertion cascade rea
The cascade reactions of alkyl α-diazoesters and ynones using Al(OTf)3 as the catalyst are described. A series of 4-sub......
采用化学修饰方法,在羧基化多壁碳纳米管的基础上,合成制备了酮化和吡唑化多壁碳纳米管材料.通过红外光谱、拉曼光谱、扫描电镜、......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Design, synthesis and biological evaluation of 1,4-dihydrothieno [3′,2′:5,6]thiopyrano [4,3-c]pyrazo
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
A new series of 1H-pyrazole derivatives 5a-j bearing an aryl sulfonate moiety have been synthesized by a one-pot cyclo-c......
Objective To explore the inhibition mechanism and safety of pyrazolo[1,5-a]pyrazin-4(5H)-one derivatives against prolife......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Syntheses and Structural Characterization of 1-(4-Phenyl-2-thiazolyl)-3-(4-methylphenyl)-5-(2-furyl)
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
以对-吡唑基苯甲醛(1a)[或对-1,2,4-三唑基苯甲醛(1b)]和苯乙酮经Aldol缩合反应得4-吡唑查尓酮(2a)[或4-三唑查尔酮(2b)];2a或2b与......
1,1-Diacetoacetylferrocene 1 reacted with phenylene-1,3-dioxyactyl hydrazine 2 in absolute ethanol to give the macrocycl......
Synthesis, X-ray structure and luminescent properties of Sm3+ ternary complex with novel heterocycli
A new neutral ternary samarium complex Sm(Phen)HL3 in which Phen is 1,10-phenanthroline and HL is (1,3-bis(1,3-dimethyl1......
Syntheses and Structural Characterization of 1-(4-Phenyl-2-thiazolyl)-3-(4-methylphenyl)-5-(2-furyl)
The title compounds were synthesized and characterized by IR, 1H-NMR, Mass and elementary analysis and single-crystal X-......
Synthesis, Bioactivity and Crystal Structure Analysis of Diisopropyl[(4-cyanopyrazol-3-ylamino)(2- h
The title compound, diisopropyl[(4-cyanopyrazol-3-ylamino)(2-hydroxylphenyl)-methyl] phosphonate was synthesized by the ......
Synthesis, Crystal Structure and Fungicidal Activity of 3- ( 4- Chloro- 3- ethyl- 1 -methyl- 1 H- py
The crystal structure of the title compound 3-(4-Chloro-3-ethyl-1-methyl-1H-pyrazol-5-yl)-6- (E) phenylvinyltriazolo [ 3......
A series of compounds containing oxime-ester linkage and pyrazole ring(in place of the ester linkage and the alcohol moi......
Synthesis and crystal Structure of 2[1-(1,1-dimethylethyl)-5-methyl-1-H-pyrazol-4-ylcarbonyl]-N-Phen
The crystal structure of 2[1-(1,1-dimethylethyl)-5-methyl-1-H-pyrazol-4-ylcar-bonyl]-N-phenyldrazinecarbothioamide ([C16......
Synthesis and crystal Structure of 2(1-Phenyl-3-methyl-5-chloro-1H-pyrazol-4-yl)-3-(1-naphthoylamido
The crystal structure of 2(1-phenyl-3-methyl-5-chloro-1H-pyrazol-4-yl)-3-(1- naphthoylamido)-4-thiazolidinone (C24H19ClN......
Synthesis and Crystal Structure of 3,7,7-Trimethyl-1-phenyl-4-(3-nitrophenyl)-4,5,6,7,8,9-hexahydro-
The title compound (C25H24N4O3) has been prepared by the cyclocondensation of 5-amino-3-methyl-1-phenypyrazol, m-nitrobe......
A New Approach to Ethyl 1-Aroyl/Aroylmethyl-5-methyl-3-methylthiopyrazole-4-carboxylates: High Regio
Two series, totalizing twelve, of new compounds, ethyl 1-aroyl/aroylmethyl-5-methyl-3-methylthiopyrazole-4-carboxylates ......
Synthesis and Crystal Structure of 3-(5-Amino-4-ethoxycarbonyl-3-methylthio-1-H- pyrazolyl)-5-phenyl
The crystal structure of 3-(5-amino-4-ethoxycarbonyl-3-methylthio-1-H-pyra- zolyl)-5-phenyl-1,2,4-triazine (C16H16N6O2S,......
1,3,5-Trisubstituted pyrazolines were oxidized to the corresponding pyrazoles in high yield with tris(4-bromophenyl)amin......
Synthesis and Crystal Structure of Diethyl-2,6-dimethyl-3,5-diyl-(1-(2-chlorobenzoyl)-1H-pyrazole-3-
The reaction of hydrazine hydrate with a new α,γ-diketone ester 3, derived from the reaction of 2,6-dimethyl-3,5-diace......
目的合成一系列3-芳基-1H-5-取代吡唑酰腙类化合物,用于抗癫痫和抗炎活性筛选.方法以苯乙酮(或取代苯乙酮)为起始原料与草酸二乙酯......
介绍了乙氧亚甲基乙酰乙酸乙酯及其类似物的特性,叙述了其合成方法,以及他们在有机合成特别是杂环化合物如异噁唑、吡唑、嘧啶、香......
氟虫腈是一高效、广谱的吡唑类杀虫剂，以5-氨基-3-氰基-1-（2，6-二氯-4-三氟甲基苯基）-吡唑为原料，经硫氰化、缩合、催化氧化合成了氟虫......
用取代吡唑醛与水合肼反应生成腙,后者与异氰酸酯、异硫氰酸酯反应,制得一系列新型N-(1-苯基-3-甲基-5-氯-4-吡唑亚甲胺基)-N'......
诸多抗生素类药物如青霉素、头孢菌素的药效团是β-内酰胺结构,它们的抗菌活性与作用机理有关[1].由于单环β-内酰胺抗生素也有良......
以水杨醛与丙酮缩合形成α,β不饱和酮，和硫代氨基脲关环形成吡唑硫代酰胺结构骨架，合成了7种未见文献报道的5-（2-羟基苯基）-3-甲基吡......
采用“一锅法”合成了5-苯基-1H-3-吡唑甲酸乙酯，进而合成了9种5-苯基-1H-3-吡唑酰腙化合物，通过元素分析、红外光谱、核磁共振氢谱......
采用4-氨基-3-吡啶-3-基-5-巯基-均三唑（2）在复合催化剂DMAP和TBAB催化剂下，与氯代吡唑羧酸1a～1c经环缩合反应以高收率得中间体6-（5-氯-......
采用＂一锅法＂合成3-（4-甲氧基苯基）-1H-5-吡唑甲酸乙酯,分别将吡唑环上1-位甲基化、4-位氯代后水解,得到2种吡唑羧酸;以取代羧酸和氨基......
将5-取代吡唑-3-甲酸乙酯1位甲基化，经水解反应得到3种中间体1-甲基-5-取代-1H-吡唑-3-甲酸（2a～2c）；以不同取代的羧酸为原料经一系列反......
合成了吡唑类化合物5-氯-3-甲基-1-苯基-4-吡唑甲醛，用X-单晶衍射测定了晶体结构。结果表明，晶体属单斜晶系，P2（1）／C空间群，晶胞参数a=0．63......
合成了标题化合物（C8H5F3N2S），通过元素分析和X-射线单晶衍射对其结构进行了表征。化合物的分子式是C8H5F3N2S，晶体属于单斜晶系，空间群......
取代苯肼与乙酰丙酮经过缩合反应合成取代苯基吡唑．取代苯基吡唑在Vilsmeier—Haak反应条件下，得到取代苯基吡唑醛．取代苯基吡唑醛与......
以四种不同的酮类化合物及草酸二乙酯为原料，设计合成了四种3（5）-取代-1H-吡唑甲酸化合物，通过IR及^1H NMR对所合成的化合物结构进行了......
通过1-苯基-3-（4-甲基苯基）4-甲酰基吡唑与芳氧乙酰肼的加成反应，合成了5个新型的吡唑腙类化合物（3a-3e）；3在酸性条件下环合，合成了5个新......
由吡唑啉脱氢芳构化去制备呲唑的氧化反应是被研究的.研究工作中用硅藻土固载的过氧乙酸作为氧化剂,对它在吡唑啉脱氢芳构化反应中......
为了寻找到高活性的杂环酰胺类化合物,设计、合成了6个N-（取代吡唑基）-1,2,3-噻二唑-5-酰胺类化合物;采用生长速率法,测试了化合物对......
本文通过4-（4-溴-7-（甲氨基）-2-卓酮基）-2,4-二羰基丁酸乙酯（6）和水合肼（5a）及盐酸羟胺（5b）的缩合-环化反应,首次合成了结构新颖的含有4-溴卓......
以间二甲苯为原料，经酰化、酯化、环化和缩合4步制得化合物（E）-2-（2-（（3-（2，4-二甲基苯基）-1，4-二甲基-1H-吡唑-5-基氧基）甲基）苯基）-3-甲氧基丙......
合成3种吡唑类离子液体[BuMe3Py]PF6、[BuMe3Py]BF4和[BuMe3Py]NO3,研究了它们对模拟油品中吡啶的脱除性能.选取效果较好的[BuMe3P......
在乙醇溶剂中，于温和条件下以邻苯二胺和1苯基吡唑-4-醛为原料合成了一种结构新颖的含吡唑取代基的苯骈咪唑杂环化合物，通过元素分析......
从表面消毒的滑桃树（Trewia nudiflora Linn.）根部分离得到一株内生链霉菌5B，经10升固体YMG培养3周后，从发酵产物中分离得到一个新吡唑......
为了寻求新的含吡唑双杂环先导化合物,用4-取代-1-甲基-3-乙基-5-吡唑甲酰氯与3-甲基-5-吡唑酮、3-乙基-5-吡唑甲酸乙酯等含氮杂环......
为了寻找新的高效的Strobilurin类杀菌剂,以1-取代基-3-三氟甲基吡唑啉-5-酮与N-甲氧基-N-(2-溴甲基苯基)氨基甲酸甲酯反应,合成了......
采用活性亚结构拼接和生物合理设计的方法，将4-氯-1-甲基-3-乙基-5-吡唑甲酰肼与取代苯基异氰酸酯反应得到14个新的含氨基脲的吡唑......
以4-甲基-2-（1H-吡唑-1-基）-噻唑-5-甲酰氯为原料，与取代胺作用制得10个结构新颖的4-甲基-2-吡唑基-噻唑甲酰胺类化合物，利用1HNMR和MS......
