No 3, Mars 2008

Tome 53, No 3, Mars 2008

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1. I. Ben GHARBIA, R. KEFI, C. Ben NASR and A. DURIF

Structure and characterization of a new inorganicorganic hybrid complex of Zn(II) with 2-amino-4-methylpyridine

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Key words: 2-amino-4-methylpyridine, organic-inorganic hybrid, π-π interactions, Nuclear Magnetic Resonance (NMR)

2. Aurel PUI, Doina HUMELNICU, Ionel HUMELNICU and Cătălin TANASE

Synthesis of some complexes of dioxouranium(VI) with di-halogeno-tetra-methyl salen ligands

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Key words: Uraniu(VI) complexes, Schiff bases

3. Florea DUMITRAŞCU, Mino R. CAIRA, Constantin DRĂGHICI, Miron T. CĂPROIU, Loredana BARBU and Barbu MIU

New 1,10-phenanthroline derivatives with potential antitumoral activity.

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Key words: N-ylide, 1,3-dipolar cycloaddition, pyrrolophenanthrolines, antitumoral activity

4. Constantin I. TĂNASE, Florea G. COCU, Constantin DRĂGHICI and Miron T. CĂPROIU

Useful intermediates for fine organic synthesis by hydroxylation of 1,2,3,3a,4,6a-hexahydro-1,3-
pentalenedimethanol and bis OH-protected derivatives

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Key words: hexahydro-pentalenedimethanol, KMnO4 hydroxylation, NMR spectra

5. Constantin I. TĂNASE, Florea G. COCU, Constantin DRĂGHICI and Miron T. CĂPROIU

1,2,3,3a,4,6a-hexahydro-1,3-pentalenedimethanol, mono and bis OH-protected derivatives, useful
intermediates for fine organic synthesis.

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Key words: hexahydro-pentalenedimethanol, esters, ethers, NaBH4 reduction, NMR spectra

6. Alexandru CECAL, Ada MACOVEI, Gabriela TAMBA, Oana HAUTA, Karin POPA, Dumitru GANJU and Ioana RUSU

On the hydrogen production by catalyzed radiolysis of water.

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Key words: catalysts, γ-rays, hydrogen, water radiolysis, zeolites

7. Rodica PODE, Eveline POPOVICI, Erika REISZ, Laura COCHECI, Elena Mihaela SEFTEL and Vasile PODE

Sorption characteristics of phosphate and thiocyanate anions on multicomponent Mg/Ni-Altype hydrotalcites

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Key words: Mg/Ni-Al hydrotalcites, anions sorption, equilibrium, standard Gibbs energy

8. Gianina DOBRESCU, Emilia BALABANOVA, Maria ZAHARESCU and Niculae I. IONESCU

TEM micrographs fractal analysis of silica powders

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Key words: fractal dimension, sphere method, TEM micrograph, silica powders

9. Mădălina VĂDUVA and Vasile STANCIU

Separation of nitrogen from air.

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Key words: molecular sieves, adsorption, chromatography, coal

10. Alina BĂDĂNOIU, Maria GEORGESCU and Anca ZAHANAGIU

Properties of blended cements with hazardous waste content.

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Key words: hazardous waste, blended cements, stabilization/solidification, properties

11. Nacer-Eddine DJELALI et Leila DADDI OUBEKKA

Polymérisation cationique du styrène par anode soluble.
Cationic polymerization of styrene by anodic dissolution.

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Key words: électropolymérisation, oxydation, anode métallique, voltampérométrie, coulométrie

12. Silvia CURTEANU

Multiobjective optimization of a free radical polymerization. III. A hybrid method based on genetic algorithms.

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Key words: multiobjective optimization, genetic algorithms, hybrid method, polymerization process.