No 4 Avril 2011

Tome 56, No 4 Avril 2011

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Professor Alexandru T. Balaban’s 80th anniversary

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1. Liliana M. PĂCUREANU, Ludovic KURUNCZI and Zeno SIMON

 

Quantum chemistry approaches to ligand-receptor interactions in Timişoara

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Key words: quantum chemistry, aqueous solutions, saline bond, hydrogen bonds.

2. Carmen I. MITAN, Valerian DRAGUTAN and Ileana DRAGUTAN

New insights into the mechanism of alkene metathesis

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Key words: alkene, metathesis, RCM mechanism, Ru-alkylidene, Ru-methylidene

3.  Claude NICOLAU

Conformation specific therapeutic vaccines against protein misfolding diseases

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Key words: Alzheimer Disease, conformation-sensitive antibodies, liposomes, memory recovery, transgenic mice

4. Mariana Viorica BOGĂŢIAN, Gheorghe BOGĂŢIAN, Anca HÎRTOPEANU, Călin DELEANU, Alina NICOLESCU, Maria MAGANU and Petru FILIP

 

Reactions of pyrylium perchlorates having long alkyl substituents with aminoacids

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Key words: pyrylium and pyridinum perchlorates, aminoacids

5. Alexandru C. RAZUS, Liviu BIRZAN, Victorita TECUCEANU, Mihaela CRISTEA and Anamaria HANGANU

 

Benzo- and dibenzo-crown ethers substituted with (azulene-1-yl)-imino or (azulene-1-yl)-carbonyl groups

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Key words: azulene, (di)benzo-crown ethers, Schiff bases, acylation

6. Constantin TANASE, Florea G. COCU, Miron T. CAPROIU, Constantin DRAGHICI, Ionela Victoria NEAGOE and Gina MANDA

Synthesis of new oxabicyclo[3.3.0]octane nucleoside analogues with pyrimidine bases

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Key words: oxabiciclo[3.3.0]octane nucleoside, Vorbruggen nucleoside synthesis, antineoplastic activity

 

7. Adrian BETERINGHE, Ana Cristina RĂDUŢIU, Marioara BEM, Rodica Daniela BĂRĂŢOIU, Elena-Nuşa HRISTEA and Titus CONSTANTINESCU

 

Partial least squares (PLS) analysis for hydrophile-lipophile balance (HLB) of some nonionic surfactants. QSPR study

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Key words: PLS, HLB, QSPR, non-ionic surfactants, Griffin method

8. Adina ROGOZEA, Florenta SAVONEA, Agneta CARAGHEORGHEOPOL, Ioneta-Codrina BUJANCA and
Mihai DIMONIE

 

Soap free emulsion polymerization. A spin probe study of the colloid system in the early stages of reaction

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Key words: EPR, polymerization mechanism, surface-active oligomers, local viscosity

9.  Romică SANDU and Mihaela HILLEBRAND

Circular dichroism characterisation of the inclusion complexes of 2-acetyl-phenoxathiin sulphone with cyclodextrins: experimental data and TDDFT calculations

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Key words: induced circular dichroism, cyclodextrin complexes, phenoxathiin-sulphone derivatives, TDDFT calculations

10. Maria MRACEC, Tudor I. OPREA and Mircea MRACEC

Models of the algistatic activity of 5-amino-1-aryl-1H-tetrazoles

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Key words: CoMFA, MTD, PLS, MLR, algistatics

11. Dorina CASONI and Costel SÂRBU

 

Modeling of food preservatives chromatographic lipophilicity applying genetic algorithm and multiple linear regression

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Key words: lipophilicity, QSPR, multiple linear regression, genetic algorithms, food preservatives

12.  Alexandru CECAL, Liliana AIRINEI, Gheorghe NEMŢOI and Florica IONICĂ

 

The study of corrosion reactions by means of a radiometric technique

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Key words: β-rays, corrosion kinetics, radiometric technique, steels, voltammograms

13.  Gabriela TATARU, Marcel POPA and Jacques DESBRIERES

 

Microparticles of hydrogels type based on carboxymethylcellulose and gelatin for controlled release of water soluble drugs

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Key words: microparticles, interpenetrated network, carboxymethylcellulose, gelatin, hydrogel

14. Mircea GRIGORAS, Loredana VACAREANU and Teofilia IVAN

 

Synthesis of a triphenylamine-based macrocycle with rhombimine shape

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Key words: Schiff base compounds, [2+2] macrocycles, rhombimine and rhombamine macrocycles, solution interconvertable conformation

15.  Constantin I. CHIRIAC, Fulga TANASĂ and Marioara NECHIFOR

 

Sodium tetraborate-dibenzo-18-crown ether-6 complex as reagent in the synthesis of cinnamic acids from aromatic aldehydes and aliphatic carboxylic acids

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Key words: synthesis, cinnamic acids, sodium tetraborate-dibenzo-18-crown ether-6 complex

16.  Cristina PRISACARIU, Elena SCORTANU and Victor A. PRISACARIU

 

Improvement of polyurethane elastomer products performance via control of chemical structure

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Key words: polyurethanes, mechanical properties, thermal behavior, structural studies, flexible hard segments

17.  Cristina PRISACARIU and Elena SCORTANU

 

A study of stress relaxation processes in selected segmented polyurethane elastomers

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Key words: segmented polyurethane elastomers, stress relaxation, inelasticity

18. Ruxandra GHEORGHE, Carmen TISEANU and Marius ANDRUH

 

 

 

 

Homobinuclear 4f-4f complexes with 2,6- diformyl-4-methyl-phenol: investigation of luminescence properties

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Key words: lanthanide, complexes, europium, terbium, luminescence, homobinuclear complexes