[1-芳基甲羰基-2-(1,2,4-三唑-1-基)]乙基-N,N-二烷基二硫代氨基甲酸酯衍生物的合成、结构表征及生物活性研究

以芳香基三唑类杀菌剂三唑酮为先导物设计并合成了5个含N,N-二烷基二硫代氨基甲酸酯的芳香三唑类化合物, 通过元素分析、红外光谱、核磁共振氢谱和质谱对其结构进行了表征. 用X射线单晶衍射测定了[α-(4-甲氧基苯甲酰基)-2-(1,2,4-三唑-1-基)]乙基-N,N-二甲基二硫代氨基甲酸酯的晶体结构, 晶体属于三斜晶系, 空间群, 晶胞参数为: a＝0.73482(15) nm, b＝1.1051(2) nm, c＝1.1209(2) nm, α＝90.32(3)°, β＝101.97(3)°, γ＝105.13(3)°, V＝0.8578(3) nm³, Z＝2, D_c＝1.357 g/cm³, F(000)＝368, µ＝0.324 mm^－1. 生物测试结果显示这5种有机化合物都具有杀菌性和植物生长调节活性     

含噻二唑的新型三氮唑化合物的合成、结构表征及生物活性研究

The two compounds 1-[1-（2＇,4＇-dichlorobenzoyl）-1-（3-phenylthiazoidin-2-ylidene）methyl]-1,2,4-triazole （3a） and 1-[1-（4＇-fluorobenzoyl）-1-（3-phenylthiazolidin-2-ylidene）methyl]-1,2,4-triazole （3b） were prepared by reaction of phenyl isothiocyanate, 1,2-dibromoethane with a-（1,2,4-triazol-1-yl）-substituted-acetylbenzene. Their structures were identified by means of elemental analysis, IR, and ^1H NMR spectra. The single crystal of compound 3b was also obtained. It crystallizes in triclinic system with space group P1 and a=0.9390（2） nm, b=0.9661（2） nm, c= 1.0929（2） nm, α=111.53（3）°, β= 100.46（3）°, γ= 102.08（3）°, Z=2, V=0.8647（3） nm^3, Dc= 1.407 g/cm^3,μ =0.213 mm^-1, F（000）=380, final R1=0.073. There is obvious potentially weak C-H…Y （Y=N, F, O） intermolecular interaction between the molecules in the crystal lattice, which stabilizes the crystal structure. The result of the biological test showed that the two compounds have certain fungicidal activities.     

Synthesis, Structure and Biological Activities of Novel Triazole Compounds Containing 4,6-Dimethyl-pyrimidin-2-ylthio Group

Introduction As an important type of fungicides, triazole com-pounds are highly efficient, low poisonous and inward absorbent.1-3 At present, the studies on triazole deriva-tives are mainly concentrated on compounds with tria-zole as the only active group. The report on triazole compounds that contain both triazole group and other active group in a single molecule has rarely been found. Some pyrimidines have been used as highly efficient and lowly poisonous fungicides4 in controling powdery mi…     

含硫代酰胺新三唑类化合物的合成、结构表征及生物活性研究

以三唑、芳香基苯乙酮和异硫氰酸苯酯为原料合成了4个含硫代酰胺的芳香三唑类化合物, 对四个化合物进行了IR, EA, ¹H NMR和MS谱学表征. 培养了1-[1-苯胺硫化碳-1-(4-氟苯甲酰基)甲基]-1,2,4-三唑的单晶. 同时对这四个化合物进行了初步的生物活性测试, 结果表明它们具有一定的杀菌活性.     

含1,3-二氧戊环的新三唑类化合物的结构表征及生物活性研究

根据生物电子等排理论合成了7种含1,3-二氧戊环的新三唑类化合物。其结构通过元素分析、核磁共振氢谱、红外光谱、质谱和单晶X射线衍射法确证。采用离体平皿法对它们的杀菌活性进行了比较，同时测定了它们的植物生长调节活性。测定结果表明化合物4a对黄瓜子叶生根具有较强的促进作用，促进率达159％。     

Studies on Synthesis and Biological Activities of Novel Triazole Compounds Containing Pyrimidine or N,N-Dialkyldithiocarbamate Ring

IntroductionAs an important type of fungicides,triazolecompounds are highly efficient,low poisonous andinward absorbents[1— 4] .At present,the studies ontriazole derivatives have mainly been concentratedon the compounds with triazole group as the onlyactive group.The report of triazloe compoundsthat contain both a triazole group and other activegroups in a single molecule has rarely been found.Some pyrimidines have been used as high efficientand low poisonous fungicides[5] in control of pow-d…     

含硫代酰胺的新三唑类化合物的合成、结构表征及生物活性研究

由取代苯乙酮出发，经过多步反应，制得2-苯甲酰基-N-苯基-2-(1,2,4-三唑-1-基)硫代乙酰胺 (1) 和2-(4-氯苯甲酰基)-N-苯基-2-(1,2,4-三唑-1-基)硫代乙酰胺 (2), 通过元素分析、核磁共振氢谱、红外光谱和质谱进行表征。并利用单晶X射线衍射法测定化合物1。晶体属单斜晶系, P2₁/c空间群, a = 0.8806(2) nm, b = 1.2097(2) nm, c = 1.4809(3) nm, β=105.88˚, Z=4, V=1.5173(6) nm³, D_c=1.411 Mg/m³, μ=0.22 mm^-1, F(000)=672, R₁=0.040. 采用离体平皿法对它们的杀菌活性进行了比较，同时测定了它们的植物生长调节活性。测定结果表明化合物2对黄瓜子叶生根具有较强的促进作用，促进率达131％。     

Synthesis and Structure Characterization of Novel Triazole Compounds Containing 1,3-Dioxolane

Five novel triazole compounds containing group 1,3-dioxolane were designed and synthesized by taking difenoconazole as the start compound and changing diphenyl ether for benzyl phenyl ether. Their structure swere confirmed by elemental analyses, ^1H NMR and IR spectra. The single crystal structure of 2-[-4-(2,4-dichlorophenylmethoxy] phenyl-2-(1,2,4-triazol-l-yl ) methane-I, 3-dioxolane was determined by means of X-ray diffraction. The preliminary bioassays showed that the synthesized compounds exhibited some activities of fungicides and plant growth regulators.     

Structure and Biological Activities of Novel Triazole Compounds Containing 1,3,4-Oxadiazole Ring

Eighteen novel triazole compounds containing 1,3,4-oxadiazole groups were synthesized from 2-（1H-1,2,4-triazol-1-yl）acetohydrazide and carbon disulfide by several step reactions. The target compounds were characterized by elemental analysis, 1H NMR, 13C NMR, IR, MS, and X-ray crystallography. The results of preliminary biological tests show that all the compounds exhibit certain fungicidal activities.     

Studies on Syntheses and Biological Activities of Novel Triazole Compounds Containing Phosphorodithioate Groups

Sixteen new triazole organic phosphorus compounds were synthesized. Their structures were confirmed with IR, IH NMR, elemental analysis and MS. The primary biological tests show that the titled compounds have the fungicidal activities, which are influenced by R groups and the substituents attached to the P atom.     

Studies on Synthesis and Biological Activities of Novel Triazole Compounds Containing 1,3-Dioxolane

IntroductionTriazole compounds have attracted muchattention having been used as high efficient andwide spectrum fungicide and plant growthregulator[1— 4] .The triazole compounds containtintg1 ,3- dioxolane have the remarkable prevention ofthe control over plant diseases[5] .Propiconazol anddifenoconazole are two important representatives.But the necessary intermediate for synthesizingpropiconazol depends on imports,which leads tothe cost of production and application too high.According to th…     

新型含芳氧乙酸酯基三唑酮类化合物的合成及生物活性研究

通过芳氧乙酸与2-溴-4,4-二甲基-1-(1H-1,2,4-三唑-1-基)-3-戊酮反应, 合成了14个新型含芳氧乙酸酯基三唑酮类化合物. 所有化合物均经核磁、元素分析确证, 部分化合物进行了红外和质谱的测定. 生物活性测试表明部分化合物具有良好的生物活性.     

新型含巴比妥酸的芳香酰腙类化合物的合成、晶体结构及抑菌活性

在微波辅助下,1,3-二甲基-5-醛基巴比妥酸与芳氧基/芳胺基乙酰肼及含氮杂环乙酰肼缩合制备新型酰腙化合物,并对其抑菌活性进行评价的研究。 新化合物的结构经过元素分析、红外光谱、核磁共振谱、质谱和X射线单晶衍射等技术手段确认。 体外的抑菌活性实验显示,部分目标化合物呈现出优于环丙沙星的抑菌活性。 经过构效关系分析表明,当芳基为含氮杂环时,所形成的化合物抗菌活性与芳基为苯环时相比明显较强,抑菌活性最强的酰腙化合物2t对金黄色葡萄球菌的最小抑菌浓度(MIC)值为0.8 g/L,对大肠杆菌的最小抑菌浓度(MIC)值为1.6 g/L。     

新型含三唑及噻唑环的腙类化合物的合成及生物活性研究

为寻找具有医用或农用生物活性的新颖化合物,以对氯苯胺为起始原料,经由四步反应,制得1-对氯苯基-5-甲基-1,2,3-三唑-4-乙酮缩氨基硫脲(3),随后中间体3与ω-溴代芳基乙酮在无水乙醇中回流或在超声波辐射下反应,得到了一系列新型N-(1-对氯苯基-5-甲基-1,2,3-三唑-4-乙酰基)-N'-(4-芳基-噻唑-2-基)腙类化合物.用1H NMR MS谱和元素分析对所有化合物进行了结构表征.初步生物活性测试表明,化合物4d和4e表现出一定的生物活性.     

2,3-二取代-4-(IH-l,2,4-三唑-l-基)-5-苯基氢基噻吩的合成及生物活性研究

合成了九个以噻吩为母体环的含三唑环的化合物——2，3-二取代-4-(1H-1， 2，4．三唑-1-基)-5-苯基氨基噻吩(2a-2i)，并测定了2a的晶体结构．晶体为三斜 晶系，P-1空间群，晶胞参数为：a=0．79816(15)nm，b=1．00259(13)nm，c=1． 4478(4)nm，a=100．326(16)°，β=94．69(2)°，r=106．083(9)°，V=1．0845 (4)nm～3，z=2，D_c=1．396 g／cm～3．初步生物活性表明所有目标化合物杀菌活 性较低，有一定的植物生长调节活性．     

新型含N-吡啶基吡唑杂环的邻氨基苯甲酸酯类化合物合成，结构及生物活性研究

设计,合成了8个新的含N-吡啶基吡唑杂环的邻氨基苯甲酸酯类化合物,结构经FTIR, MS, 1H NMR 和元素分析确证,并且采用X-射线衍射分析方法确证了具有较好生物活性的化合物14d的结构。并且对这些化合物进行了杀虫活性测试,结果表明目标化合物在200 µg·mL-1对粘虫 (Mythimna separata Walker)具有一定的杀虫活性,其中14d,14f,14h在1 µg·mL-1对淡色库蚊（Culex pipiens pallens）具有很好的杀幼虫活性。     

新型呋喃基Schiff碱衍生物的合成、结构和生物活性

席夫碱类化合物具有独特的抗癌、抗菌、抗病毒等生物活性.以多羟烷基呋喃化合物为原料经氧化、脱水得到α,β-不饱和醛,活泼的醛羰基进一步与苯胺类化合物缩合得到8个新的呋喃基Schiff碱化合物,并对合成的化合物进行了初步的生物活性测试.     

Synthesis,Structure and Biological Activity of 5-Benzyl-4-amino-1,2,4- triazole-3-thione Schiff Base

A novel Schiff base was synthesized via 5-benzyl-4-amino-1,2,4-triazole-3-thione with 3-phenoxy-benzaldehyde under refluxing. The structure was characterized by elemental analysis, IR, 1H NMR, ESI-MS and single-crystal X-ray diffraction. This compound crystallizes in monoclinic, space group P21 /c with a = 16.0289(16), b = 5.8022(6), c = 20.542(2), β = 95.667(2)o, C22 H18 N4 OS, Mr = 386.46, V = 1901.1(3)3, Z = 4, Dc = 1.347 g/cm3, F(000) = 804, μ = 0.191 mm-1, the final R = 0.0453 and wR = 0.1307 for 2456 observed reflections with I 2σ(I). The crystal packing of the compound is stabilized by classical intermolecular N–H···S hydrogen bonds. Furthermore, the biological activity to four vegetable pathogens has been tested. The title compound exhibited good fungicidal activities to Gibberlla nicotiancola.     

新型吡唑酰腙类化合物的合成及其生物活性

以取代肼和取代乙酰乙酸乙酯为起始原料,依次经闭环、氯酰化、氧化、酯化及取代反应制得1,3-取代-5-氯-4-吡唑甲酰肼（7a, 7d, 7g和7j); 7分别与取代呋喃或噻吩甲醛经加成反应合成了12个新型的吡唑酰腙类化合物(9a~9l),其结构经¹H NMR, ¹³C NMR, IR和元素分析表征。初步的生物活性测试结果表明：在500 μg·mL^-1浓度下,部分化合物对烟草花叶病毒(TMV)具有一定的抑制活性,其中1-苯基-3-三氟甲基-5-氯-4-(2-噻吩)-腙基羰基吡唑(9k)的治疗活性、保护活性和钝化活性分别为63.6%, 85.7%和93.1%,与对照药宁南霉素(65.9%, 86.4%和97.8%)相当;在50 μg·mL^-1浓度下,部分化合物表现出一定的抑菌活性,其中1,3-二甲基-5-氯-4-(2-噻吩)-腙基羰基吡唑(9b)与1-甲基3-三氟甲基-5-氯-4-(2-噻吩)-腙基羰基吡唑(9e)对小麦赤霉病菌(Gibberella zeae)的抑制率分别为42.5%和46.8%。