1-[2-(N-甲基-N-取代苄基)氨基-2-(4-叔丁基苯基)乙基]-1H-1,2,4-三唑类化合物的合成及抗真菌活性

根据氮唑类和苄胺类抗真菌药物的构效关系和作用机理,设计合成了23种1-[2-(N-甲基-N-取代苄基)氨基-2-(4-叔丁基苯基)乙基]-1H-1,2,4-三唑类化合物,其结构经元素分析、红外光谱及核磁共振谱分析证实.体外抑菌实验结果表明:目标化合物对常见的9种致病真菌均有一定活性,对浅表真菌活性优于深部真菌,其中化合物3,4,6,10,12,14和15对羊毛样小孢子菌具有较强的活性.     

(Z)-1-[2-(苯基溴氯化锡基)乙烯基]-1-环己醇的晶体结构和反应机理

有机锡化合物的抗癌活性与结构的关系是人们所关注的一个重要课题[1.2].自1989年以来,我们合成了几个系列的C-Sn直接相连并在分子中存在O→Sn内配位的有机锡化合物[3]．经过抗癌活性实验,发现其中有很多种具有较高的抗癌活性．本文所报道的标题化合物分子有两种构型,迄今为止未见类似的报道．标题化合物的抗癌活性正在测试中．1实验部分1．且仪器1106型元素分析仪;锡含量用重量法分析;NicoletR。M／E四圆衍射仪．1．2标题化合物的合成（Z）－l｛2－（二苯基演化锡基）乙烯基11一环己醇（I）按照文献［"方法合成．产率80％,m．卜14…     

1-(4-取代苯基)-4-苯基-5-(2-羟基苄基)氨基-1,2,3-三唑类衍生物的合成及抑菌活性

将邻羟苯基引入1,2,3-三唑结构中, 设计合成了10个1-(4-取代苯基)-4-苯基-5-取代-1,2,3-三唑类衍生物. 首先, 以对位取代的芳胺为原料, 经重氮化、叠氮化、闭环和缩合反应制得1-(4-取代苯基)-4-苯基-5-水杨醛亚胺-1,2,3-三唑类衍生物(3a~3e), 再用硼氢化钠还原制得1-(4-取代苯基)-4-苯基-5-(2-羟基苄基)氨基-1,2,3-三唑类衍生物(4a~4e). 目标化合物的结构经核磁、IR及元素分析确认. 抑菌活性测试表明, 当质量浓度为0.1 mg/L时, 除化合物3e和4e外, 所有化合物对白色念球菌的抑菌率均达95%以上, 对大肠杆菌的抑菌率达85%以上, 具有强抑菌活性, 表明该类化合物在抗菌药物开发方面有重要应用价值.     

3-氧代-3-[3-三氟甲基-5,6-二氢[1,2,4]三唑并[4,3-α]吡嗪-7(8H)-基]-1-苯基丙烷-1-胺的合成

三唑类衍生物是重要的化工和药物合成中间体,而稠合三唑类衍生物因其独特的生理活性更是得到了广泛关注[1-2],其中3-三氟甲基-5,6,7,8-四氢[1,2,4]三唑并[4,3-α]哌嗪与β-氨基酸缩合得到的化合物是一类重要的二肽基肽酶-Ⅳ抑制剂 [3-4],可作为2型糖尿病的治疗药物,如2006年经美国FDA批准在美国上市的西他列汀(sitagliptin),此外二肽基肽酶-Ⅳ抑制剂还可用于肥胖症和高血压等疾病的预防和治疗[5].     

1—[2—（N—甲基—N—取代苄基）氨基—2—（4—叔丁基苯基）乙？…

根据氮唑类和苄胺类抗真菌药物的构效关系和作用机理,设计合成了２３种１－「２－（Ｎ－甲基－Ｎ－取代苄基）氨基－２－（４－叔丁基苯基）乙基」－１Ｈ－１,２,４－三唑类化合物,其结构经元素分析、红外光谱及核磁共振谱分析 证实。体外抑菌实验结果表明：目标化合物对常见的９种致病真菌均有一定活性,对浅表真菌活性优于深部真菌,其中化合物３,４,６,１０,１２,１４和１５对羊毛样小孢菌具有较强的活性。     

新型3-取代-6-(4-氯苯基)-7-(1H-1,2,4-三唑-1-基)-1',2',4'-三唑[3,4-b]-1",3",4"-噻二嗪衍生物的合成及抗菌活性

通过3-取代-4-氨基-5-巯基-1,2,4-三唑(3a～3m)和2-溴-2-(1H–1,2,4-三唑-1-基)-4′-氯代苯乙酮(2)的缩合反应,合成了13个新型3-取代-6-(4-氯苯基)-7-(1H-1,2,4-三唑-1-基)-1',2',4'-三唑[3,4-b]-1",3",4"-噻二嗪衍生物4a～4m.化合物结构经元素分析,1HNMR,IR和MS进行了表征.抗菌试验表明所合成的化合物对细菌表现出中等程度的抑制活性.     

2-芳胺基-5-[5′-氨基-1′-(4″-氯苯基)-1′,2′,3′-三唑-4′-基]-1,3,4-噻二唑的合成~≠

1-[5’-氨基-1’-(4”-氯苯基)-1,2,3-三唑-4’-甲酰基]-4-芳基-3-氨基硫脲在浓硫酸催化下环化得到2-芳胺基-5-[5’-氨基-1’-(4”-氯苯基)-1’,2’,3’,-三唑-4’-基]-1,3,4-噻二唑2a～i,依次法合成了九个标题化合物,收率为30～74％。化合物2i的结构用X-光衍射单晶分析确证。     

有机锡2-[(1,2,4-三唑-1-基)甲基硫代]苯甲酸酯的合成与生物活性

通过硫代水杨酸与(1-氯甲基)-1,2,4-三唑盐酸盐在碱性条件下的反应, 合成了2-[(1,2,4-三唑-1-基)甲基硫代]苯甲酸. 利用该酸与(R₃Sn)₂O(R=Et, n-Bu, Ph), Cy₃SnOH(Cy为环己基)或Et₂SnO反应, 得到了5个有机锡羧酸酯. 用X射线单晶衍射测定了三正丁基锡2-[(1,2,4-三唑-1-基)甲基硫代]苯甲酸酯的晶体结构. 在该化合物中, 锡为五配位的三角双锥结构. 该化合物通过三唑四位氮原子与锡配位, 形成一维链状配位高分子. 初步的生物活性测试结果表明, 所有的有机锡化合物都表现出了明显的抗真菌活性.     

铜配合物[Cu(AFO)2(N3)2](DMF)(H2O)的合成和晶体结构(AFO=4,5-二氮芴-9-酮)

近年来,利用晶体工程方法设计裁剪和组装具有一维、二维、三维框架结构的固体化合物材料已成为材料科学和化学学科中最活跃的研究领域之一。研究表明在这些框架内镶嵌活性组分可得到新型功能材料,如磁性材料、非线性光学材料及新型催化剂等[1]。而叠氮根是一个多功能桥联配体,它能形成一维[2],二维[3],三维[4]等配合物,有关叠氮根的磁性研究也成为分子基铁磁体研究的一个重要方面[5]。本文报道了[Cu(AFO)2(N3)2](DMF)(H2O)(DMF=N,N 二甲基甲酰胺)配合物的合成和晶体结构,并进行了元素分析和红外光谱表征。1　实验部分1 1　试剂与…     

4-叔丁基-5-(1,2,4-三唑-1-基)-2-苄亚氨基噻唑的合成、晶体结构和抗菌活性

以履代(口片)吶酮,经1,2,4-三唑取以、溴以、硫脲环合得到4-叔丁基-5-(1,2,4-三唑-1-基)-2-氨基噻唑;再与芳醛缩合合成一系列新4-叔丁基-5-(1,2,4-三唑-1-基)-2-苄亚氨基噻唑(5).用单晶X射线衍射测定了化合物5a的晶体结构.化合物5a的晶体属三斜晶系,空间群以P-1,晶胞参数以:a=0.72749(12)nm,b=0.93463(15)nm,c=1.3398(2)nm,α=70.185(2)°,β=75.669(2)°,γ=73.611(2)°;V=0.8105(2)nm3,Z=2,Dc=1.342g/cm3,F(000)=344,R1=0.0431,wR2=0.1611,S=1.01.生物活性实验结果表明:化合物5c(25mg/L)对小麦赤霉病菌、稻曲病菌、对黄瓜灰霉病菌和稻纹枯病菌的抑制率分别以100%,100%,82.8%和80.3%.化合物5d(25mg/L)对稻纹枯病菌、油菜菌核病菌、小麦赤霉病菌和稻曲病菌的抑制率分别以100%,95.5%,100%和100%.化合物5e(25mg/L)对小麦赤霉病菌的抑制率以100%.5d对小麦赤霉病菌、油菜菌核病菌和水稻纹枯病菌的EC50值分别以1.16,1.38和1.47mg/L.     

Synthesis of 6-Methyl-4-(1-methyl-2-buten-1-yl)-2-(2-cyclohexen-1-yl)- and 6-Methyl-4-(1-methyl-2-buten-1-yl)-2-(1-cyclohexen-1-yl)anilines

Alkenylation of 6-methyl-2-(2-cyclohexen-1-yl)- and 2-(1-cyclohexen-1-yl)anilines with piperylene in the presence of AlCl₃ and transformation of the resulting cyclohexenylanilines into carbazole structures were studied.__________Translated from Zhurnal Prikladnoi Khimii, Vol. 78, No. 3, 2005, pp. 441–443.Original Russian Text Copyright © 2005 by Gataullin, Ishberdina, Sotnikov, Abdrakhmanov.     

1-(Fluoren-2-yl)-2-(2-azafluoren-3-yl)ethene and 1-(fluoren-2-yl)-2-(2H,2-methylindeno[2,3-c]pyridine)ethene

Condensation of 3-methyl-2-azafluorene with 2-formylfluorene results in the formation of a compound containing a polyconjugated system and two acidic CH centers, namely, 1-(fluoren-2-yl)-2-(2-azafluoren-3-yl)ethene. The conversions of this compound upon treatment with alkali have been studied by electronic absorption spectroscopy. The methyl iodide derivative of this base was used as an intermediate in the preparation of a pseudo-azulene, 1-(fluoren-2-yl)-2-(2H, 2-methylindeno[2,3-c]pyridine)ethene.Translated from Khimiya Geterotsiklicheskikh Soedinenii No. 5, pp. 657–659, May, 1987.     

New 1-(2-chloroquinolin-3-yl)-4-dimethylamino-2-(naphthalen-1-yl)-1-phenylbutan-2-ols with antituberculosis activity

Russian Chemical Bulletin - New 4-dimethylamino-2-(naphthalen-1-yl)-1-phenyl-1-(quinolin-3-yl)butan-2-ols with antituberculosis activity were synthesized....     

Synthesis and Characterization of Novel 2-(1,2,3-Triazol-4-yl)-4,5-dihydro-1H-pyrazol-1-yl)thiazoles and 2-(4,5-Dihydro-1H-pyrazol-1-yl)-4-(1H-1,2,3-triazol-4-yl)thiazoles

Reactions of 1-(5-methyl)-1H-1,2,3-triazol-4-yl)ethan-1-ones and benzaldehydes in ethanol under basic conditions gave the corresponding chalcones. Reactions of the chalcones combined with thiosemicarbazide in dry ethanol containing sodium hydroxide afforded the corresponding pyrazolin-N-thioamides. Reactions of the synthesized pyrazolin-N-thioamides and several ketones (namely, ethyl 2-chloro-3-oxobutanoate, 2-bromoacetylbenzofuran, and hydrazonoyl chloride) gave the corresponding novel 2-(1,2,3-triazol-4-yl)-4,5-dihydro-1H-pyrazol-1-yl)thiazoles in high yields (77–90%). Additionally, 2-(4,5-dihydro-1H-pyrazol-1-yl)-4-(1H-1,2,3-triazol-4-yl)thiazoles were obtained in high yields (84–87%) from reactions with N-pyrazoline-thioamides and 4-bromoacetyl-1,2,3-triazoles under basic conditions. The structures of six of the newly synthesized heterocycles were confirmed by X-ray crystallography.     

Dipolar additions with 1-(4,6-dimethylpyrimidin-2-yl)- and 1-(4,6-dimethoxy-s-triazin-2-yl)-3-oxidopyridinium betaines

Cycloaddition to 1-(4,6-dimethylpyrimidin-2-yl)- and 1-(4,6-dimethoxy-s-triazin-2-yl)-3-oxidopyridinium betaines across the 2,6-positions of the pyridine rings with indene, acenaphthylene and ethyl cinnamate gave substituted 8-aza[3.2.1]bicycIooct-3-en-2-ones, whereas the [6π + 4π] cycloaddition reaction with 6,6-dimethylfulvene gave a tricyclo[6.3.1.0^2.6]dodeca-2,(6),4,9-trien-11-one. Structural and configurational assignments of the cycloadducts were deduced from ¹H nmr and ir spectral data.     

An X-ray and DFT Computational Study on 1-（Naphthalene-2-yl）-2-（1H-pyrazol-1-yl） ethanone O-butyl Oxime

The title compound, 1-(naphthalene-2-yl)-2-(1H-pyrazol-1-yl)ethanone O-butyl oxime, I, was synthesized. The crystal and molecular structures of I were determined by IR, 1H-NMR, mass spectrum, elemental analysis and X-ray single crystal diffraction. Molecular geometry from X-ray experiment of I in the ground state was compared using the Density Functional Theory (DFT) with B3LYP/6-311G(d,p) basis set. In addition, DFT calculation, molecular electrostatic potentials (MEP) and frontier molecular orbitals of I were performed at the B3LYP/6-311G(d,p) level of the theory.     

2-(1H-咪唑-1基)-1-(2,3,4-三甲氧基苯)乙酮的和成

联苯三醚;制备;2-(1H-咪唑-1基)-1-(2;3;4-三甲氧基苯)乙酮的和成     

Synthesis and structure of N-(4,6-dimethylpyrimidin-2-yl)-2-(5-phenyl-2H-tetrazol-2-yl)acetohydrazide and 1-(4,6-dimethylpyrimidin-2-yl)-3-[(5-phenyl-2H-tetrazol-2-yl)methyl]-1H-pyrazol-5-ol

Russian Journal of Organic Chemistry - New tetrazolyl derivatives of pyrimidine were synthesized containing various linker groups. The structure of these compounds was established by NMR...     

Synthesis,Structure and Biological Activities of 2-(1H- 1,2,3-Benzotriazol-1-yl)-1-(4-methylphenyl)-2- (1H-1,2,4-triazol-1-yl)-1-ethanone

IntroductionTriazole derivatives have become the most rapidlyexpanding group of antifungal compounds with advanta-ges of lowtoxicity, high oral bioavailability and broad-spectrum antifungal activity, which can be used againstfungi including most yeasts an…