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An efficient and green approach for the synthesis of vinyl aryl ethers in the presence of guanidine hydrochloride
Guanidine hydrochloride dialkyl acetylenedicarboxylates vinyl aryl ether O-vinylation water solvent
2010/12/20
A stereoselective procedure for vinyl aryl ether bond formation by direct coupling of dialkyl acetylenedicarboxylates and substituted phenols or naphthols under mild reaction conditions has been devel...
Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
1,3,4-Thiadiazole 1,2,4-triazole carbamate antimicrobial activity
2010/12/20
The synthesis of ethyl [3-(cyanomethyl)-5-alkyl-4H-1,2,4-triazol- 4-yl]carbamates (2a-d) was performed starting from ethyl 2-[ethoxy(4- (aryl)methylene]hydrazinecarboxylates (1a, 1b).
Conveinient Synthesis and Anion Recognition Property of Acylhydrazone-based Molecular Tweezer Receptors
Anion recognition molecular tweezer acylhydrazone
2010/10/19
Three acylhydrazone-based compounds were designed as novel neutral sensors for anions, and synthesized by simple steps in good yields. Their anion recognition properties were studied by UV-vis and 1H-...
Synthesis and characterization of non-symmetric tetradentate complexes of Zn(II), Co(II), and Cu(II)
Synthesis characterization non-symmetric tetradentate complexes
2010/10/15
The non-symmetrical tetradentate Schiff-base H2L was obtained using the half-unit N-(1-hydroxy-2-acetophenone)-1-amino- 2-phenyleneimine (HL) with 2-hydroxyl-1-naphthaldehyde. ZnL, CoL, and CuL compl...
Synthesis, characterization, and application of nanoporous materials based on silicon- or halogen-containing spiroketal and spirothioketal polymers
Tetra(trimethylsilyl)-9,10-anthraquinone spiroketal polymers
2010/10/14
Organic microporous materials based on silicon-containing spiroketal and spirothioketal polymers were synthesized via a 1,3-dioxol-forming polymerization reaction between 1,1a,4,4a,5,5a,8, 8a-octahydr...
Synthesis and single crystal structure analysis of three novel benzoylthiourea derivatives
Thiourea derivatives benzoylthioureas single crystal X-ray structures
2010/4/8
N,N-dimethyl-N' -(2-methylbenzoyl)thiourea, C11H14N2SO (HL1), N,N-dibutyl-N' -(2-methylben\-zoyl)thiourea, C{17}H{26}N2SO (HL2), and N,N-dihexyl-N' -(2-methylbenzoyl) thiourea, C{21}H{34}N2SO (HL3) we...
Synthesis of Hydrotalcite-like Compound Pillared by Hetero-polyacid Anions in a Hydrothermal System
synthesis hydrotalcite discussion
2009/11/13
Hetero-polyacid anions (PW12O403-)-pillared hydrotalcite-like compound is directly and hydrothermally synthesized by the hot solution method. FTIR and XRD show that PW12O403- has been incorporated int...
Synthesis and Characterization of Organic-Inorganic Nanocomposite Poly-o-anisidine Sn(IV) Arsenophosphate：Its Analytical Applications as Pb(II) Ion-Selective Membrane Electrode
Poly-o-anisidine Sn inorganic hybrid materials Organic-Inorganic Nanocomposite
2009/9/4
Poly-o-anisidine Sn(IV) arsenophosphate is a newly synthesized nanocomposite material and has been characterized on the basis of its chemical composition, ion exchange capacity, TGA-DTA, FTIR, X-RAY, ...
One-pot synthesis of amidoalkyl naphthols using NaHSO4.SiO2 as an efficient and recyclable heterogeneous catalyst
NaHSO4.SiO2 amidoalkyl naphthol multi-component reaction heterogeneous catalyst amide
2010/4/8
An efficient synthesis of amidoalkyl naphthols using silica supported sodium hydrogen sulphate as heterogeneous catalyst under a thermal solvent-free green procedure is described. This simple protoco...
Ferric Hydrogen Sulfate as an Efficient Heterogeneous Catalyst for Environmentally Friendly Greener Synthesis of 1,8-Dioxo-Octahydroxanthenes
Fe(HSO4)3 dimedone heterogeneous catalyst 1,8-dioxo-octahydroxanthene
2010/4/9
Ferric hydrogen sulfate was used as an environmentally friendly heterogeneous acidic catalyst for the greener, 1-pot, 3-component synthesis of 1,8-dioxo-octahydroxanthene via condensation reactions be...
Synthesis and Antimicrobial and Antitumor Activity of Some New [1,2,4] Triazole-5-one Derivatives
Triazole-5-one acetophenone NaBH4 antimicrobial antitumor activity
2010/4/9
4-[Arylidene-amino]-3-thiophen-2-ylmethyl-4,5-dihydro[1,2,4]triazole-5-one compounds (3a-g) with Schiff base character were obtained from the reaction of 4-amino-3-thiophen-2-ylmethyl-4,5-dihydro-1H-[...
Microwave-Assisted Synthesis of Some Metal-Free Phthalocyanine Derivatives and a Comparison with Conventional Methods of their Synthesis
Synthesis metal-free phthalocyanines microwave irradiation conventional heating lithium pentanol
2010/4/9
Synthesis of metal-free 2,9(10),16(17),23(24)-tetra(3,5- dimethylphenoxy) phthalocyanine, 2,9(10),16(17), 23(24)-tetra(4- tert-butylphenoxy) phthalocyanine, and 2,9(10),16(17),23(24)-tetra(3,5- di-ter...
Synthesis and Characterization of Tetraoxime Ligand, Bis-[(2E,3E,2´E)-3,3´-(1,2-Phenylene-Dinitrilo)dibutan-2-One Dioxime] and Its Dinuclear and Tetranuclear Copper(II)/Nickel(II) Complexes
Tetraoxime dinuclear tetranuclear copper and nickel complexes
2010/4/9
A new tetraoxime, (H4L), was prepared in EtOH by reacting biphenyl-3,3´,4,4´-tetramine with butane-2,3-dione oxime. The tetraoxime ligand was characterized by elemental analyses, H-NMR and...
Synthesis and Characterization of New Tridentate Iminooxime Ligands and Their Co(III) Complexes
1,2,3,4-tetrahydroquinazoline tetrahydroquinazoline oxime iminooxime Schiff bases cobalt(III) complexes
2010/4/15
In this study, (hydroxyimino)(2-phenyl(1,2,3,4-tetrahydroquinazolin- 2-yl))methane (H2L1) and (hydroxyimino)(2-(2-thienyl)(1,2,3,4- tetrahydroquinazolin-2-yl))methane (H2L2) were synthesized by the co...
Synthesis and Characterization of a Novel Metal Phosphonate, Zirconium (IV)-Hydroxy Ethylidene Diphosphonate, and Its Application as an Ion Exchanger
Inorganic ion exchanger metal phosphonate tetravalent metal acid salt zirconium-hydroxy ethylidene diphosphonate Zr(IV) phosphonate
2010/4/16
A novel hybrid ion exchange material, Zirconium-hydroxy ethylidene diphosphonate [ZrHEDP], of the class of tetravalent metal acid (TMA) salts has been synthesized by the sol-gel technique. The materia...