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Nitric Oxide Releasing Derivatives of [(2-Chloroethyl)ureido] Benzoic Acid Esters as Potential Antineoplastic Agents
Nitric oxide anti-cancer agent arylchloroethylureas
2010/4/9
New series of [(2-chloroethyl)ureido] benzoic acids (compounds 3-8) and nitric oxide releasing derivatives of [(2-chloroethyl)ureido] benzoic acid esters (compounds 9-14) were synthesized as potential...
A Facile Method for the Preparation of Poly(4-vinylpyridine) Nanoparticles and their Characterization
Microgel nanogel nanoparticles nanotechnology core-shell structure biomaterials bactericidal antibiotic polymers
2010/4/9
Submicron size particles were synthesized from 4-vinylpyridine (4-VP) using an oil-in-water emulsion system. Divinyl benzene (DVB) and ethylene glycol dimethacrylate (EGDMA) were utilized as crosslink...
On the Structure Sensitivity of CO Oxidation on Alumina Supported Pd--Pt Bimetallic Catalysts
CO oxidation bimetallic catalysts palladium platinum surface segregation Monte Carlo simulation
2010/4/9
CO oxidation reaction was studied over monometallic and bimetallic palladium--platinum catalysts at 25:75, 50:50, and 75:25 Pd:Pt atomic fractions co-impregnated over a g -Al2O3 support. The size of t...
Preparation of Palladium Composite Membranes on Pore Structure Modified and Non-Modified Supports by Electroless Plating Procedure
Electroless plating palladium composite membrane support
2010/4/15
The effects of pore structure of the support on the plating morphology, thickness, and composition were investigated in an electroless plating procedure. Some of the plating studies were carried out d...
New Flame-Retardant Poly(ester-imide)s Containing Phosphine Oxide Moieties in the Main Chain: Synthesis and Properties
Flame-retardant polymers hosphine oxide moieties N-(3,3-diphenylphenyl phosphine oxide) bistrimellitimide diacid chloride romatic diols
2010/4/13
Six new flame-retardant poly(ester-imide)s (9a-f) with high inherent viscosity and containing phosphine oxide moieties in the main chain were synthesized from the polycondensation reaction of N,N-(3,3...
Lewis碱性混合萃取剂碱度的测定
Lewis碱性萃取剂 Lewis碱性混合萃取剂 碱度 测定
2008/10/23
提出一种利用萃取法间接测定Lewis碱性萃取剂碱度的简便方法, 选择常用的Lewis碱性萃取剂TOA/正辛醇和TRPO/煤油, 测定了其碱度, 为今后络合萃取剂的选择及其机理的研究提供理论指导.
首先合成了重要的磷酰异硫氰酸酯中间体3, 然后便捷、高产率且立体选择性地合成了反式-2-取代硫代氨基脲基取代的新型六元磷杂环, 其立体化学通过2D NOESY NMR确证. 所有合成的化合物均进行了元素分析和光谱表征, 其中目标产物的13C NMR表征为1,3,2-二氧磷杂环己烷衍生物的碳骨架表征提供了难得的依据. 在溶剂DMSO-d6中, 所有产物均异构化, 生成磷原子的差向异构体. 这一研究结...
α-乙酰基二硫缩烯酮α碳原子的酰化反应
α-乙酰基二硫缩烯酮 酰氯 酰化 α-乙酰基-α-酰基二硫缩烯酮
2008/9/9
进行了α-乙酰基二硫缩烯酮与酰氯的酰化反应. 以干燥的二氯甲烷为溶剂, 在四氯化钛催化下, α-乙酰基环二硫缩烯酮(1)可与脂肪及芳酰氯(2)反应, 在化合物1的α-碳原子上发生酰化反应, 以较高的产率生成各种α-乙酰基-α-酰基二硫缩烯酮(3).
利用低价钛试剂促进的2-邻硝基苯基苯并咪唑与原甲酸酯或丙酮或固体光气的反应, 合成了一系列苯并咪唑并[1,2-c]喹唑啉衍生物, 化合物的结构经IR, 1H NMR, MS和元素分析确定, 化合物4c的结构经单晶X射线衍射分析进一步确证. 该方法具有原料易得、操作简便和产率高等优点.
A Hydrogen Ion-Selective Poly(Vinyl Chloride) Membrane Electrode Based on Calix[4]arene as a Perchlorate Ion-Selective Electrode
Calix[4]arene perchlorate PVC membrane ion-selective electrode potentiometry
2010/4/16
A hydrogen ion-selective electrode was prepared using 5,11,17,23-tetra-tert-butyl-25,26,27,28-tetracyanometoxy-calix[4]arene and the possibility of its use as a perchlorate ion-selective electrode wa...
Synthesis of Vertilecanin C and Two New Derivatives of Vertilecanin A via Nicotinic Acid
Vertilecanin A Vertilecanin C diarylketones Nicotinic acid
2010/4/16
Vertilecanin C and 2 new phenyl-substituted derivatives of vertilecanin A were synthesized. Lithiation of 5-benzoylpicolinamide with BuLi at -78 °C followed by treatment with methyl bromoacetate gave ...
Catalytic Combustion of Ethyl Acetate
Catalytic combustion ethyl acetate incineration metal oxide catalysts monolith
2010/4/8
The catalytic combustion of ethyl acetate over prepared metal oxide catalysts was investigated. CeO, Co2O3, Mn2O3, Cr2O3, and CeO-Co2O3 catalysts were prepared on monolith supports and they were teste...
Synthesis of Nitrogen-Containing Heterocycles from the Reaction of Amidrazones with a-Haloesters
Amidrazones a-haloesters 4,5-dihydro-1,2,4-triazin-6-one
2010/4/16
The reaction of amidrazones 1 with a-haloesters 2 formed 1,3,5-substituted 4,5-dihydro-1,2,4-triazin-6-ones (4a-z) rather than 1,2,4-triazin-5-one derivatives (5a-z). The microanalysis and spectral da...
Synthesis of 2-Acylamino, 2-Aroylamino and Ethoxycarbonyl Imino-1,3,4-thiadiazoles as Antitumor Agents
1,3,4-Thiadiazole acetyl chloride benzoyl chloride ethyl chloro formate antitumor activity
2010/4/16
2-Amino-1,3,4-thiadiazoles compounds (2a-e) were obtained from the reaction of thiosemi carbazide with 2-cyanomethoxyphenoxyacetonitriles (1). Mono acylamino, mono aroylamino and diethoxycarbonyl imin...
GC-MS Analysis and Antibacterial Activity of Cultivated Satureja cuneifolia Ten. Essential Oil
Satureja cuneifolia Lamiaceae GC Essential oil Antibacterial activity
2010/4/19
The composition of the essential oil of Satureja cuneifolia Ten. cultivated in Konya, Turkey, was investigated by capillary GC-MS. The compounds were characterized by comparison with library searches....