No 11-12, Novembre-Decembre 2009
Tome 54, No 11-12 Novembre-Decembre 2009
1. Centennial of acad. Ecaterina Ciorănescu-Nenitzescu’s birthday
2. Angela POPESCU, Elena ANDREI, Daniela ISTRATI, Constantin DRĂGHICI, Crinu CIUCULESCU and Mircea D. BANCIU
Flow-vacuum pyrolysis of polycyclic compounds. 27. Pyrolysis of 8,9-dihydro-14H- tetrazolo[1,5a]dibenzo[c,f]azonine and 6,7,8,9-tetrahydro-tetrazolo[1,5a]benzo[c]azocine.
Key words: flow-vacuum pyrolysis, tetrazoloazonine, tetrazoloazocine, N-cyanoderivatives.
3. Emilia OLTEANU, Angela POPESCU, Constantin DRĂGHICI and Crinu CIUCULESCU
Flow-vacuum pyrolysis of polycyclic compounds.28. Pyrolysis of 1a,2,2a,6b,7, 7a-hexahydro-1β-
(hydroxymethyl)-2,7-methano-cyclo-propa[b]biphenylene.
Key words: flow-vacuum pyrolysis, benzotetracyclic primary alcohol, tetrahydro-hydroxymethyl-benzo[e]azulenes.
4. Ana Cristina RĂDUŢIU, Ion BACIU, Miron T. CĂPROIU, Constantin DRĂGHICI, Adrian BETERINGHE, Maria MAGANU, Radu SOCOTEANU, Titus CONSTANTINESCU and Alexandru T. BALABAN
Two isomeric bis-dinitrocarboxyphenyl-Kriptofix-22 derivatives: synthesis and characteristics.
Key words: K22 Isomers derivatives, 1H- and 13C-NMR, theoretical structural investigation, hydrophobic/hydrophilic balance.
5. Luminitza PÂRVULESCU, Anca MARTON, Marina MIHAI, Constantin DRĂGHICI, Richard A. VARGA and Mircea D. GHEORGHIU
6,6-dimethyl- and 6,6-diphenylfulvene as cycloaddents in reaction with Moore’s ketene.
Key words: ketenes, fulvenes, cycloadditions.
6. Sandra REEMERS, Helmut KEUL and Martin MÖLLER
Synthesis and films of dendritic poly(ε-caprolactone) hybrids.
Key words: HDI-uretdione, dendritic hybrids, hydrophobic surfaces, oleophobic, scaning force microscopy.
7. Alexandru C. RAZUS, Liviu BIRZAN, Mihaela CRISTEA, Eleonora-Mihaela UNGUREANU and
Dan-Ion CAVAL
Electrochemical behaviour of bis diazenyls containing azulenyl moieties.
Key words: azo–azulene compounds, cyclic voltammetry, ionization potentials, molecular orbital calculations.
8. Florea DUMITRAŞCU, Constantin DRĂGHICI, Miron T. CĂPROIU, Dan G. DUMITRESCU, Marcel Mirel POPA
New pyrrolo[1,2-b]pyridazine derivatives.
Key words: pyrrolo[1,2-b]pyridazine, pyridazinium N-ylides, multicomponent reaction.
9. Mariana Viorica BOGĂŢIAN, Anca HÎRTOPEANU, Alina NICOLESCU, Gheorghe BOGĂŢIAN, Călin DELEANU, Maria MAGANU and Petru FILIP
Pyrylium salts with long alkyl substituents. 2,6-dipalmitoyl- and 2,6-distearoyl-3,4-dimethyl pyrylium salts, derived pyridines and pyridinium salts.
Key words: pyrylium and pyridinium salts with long alkyl substituents, regioselectivity.
10. Paul Cătălin BALAURE, Ion COSTEA, Florin IORDACHE, Constantin DRĂGHICI and Cristian ENACHE
Synthesis of new dibenzo[b,f]azepine derivatives.
Key words: dibenzo[b,f]azepine, 10,11 dihydrodibenzo[b,f]azepine, antiepileptic drugs.
11. Michaela Dina STĂNESCU, Beatrice CALMUSCHI-CULA and Cornelia GURAN
Dibenzobicyclo[2.2.2]octane derivatives. II. Structure and decomposition evidenced by X-ray analysis.
Key words: dibenzobicyclo[2.2.2]octane derivatives, X-ray study, decomposition at complexation.
12. Magdalena Cristina STANCIU, Marieta NICHIFOR and Bogdan C. SIMIONESCU
New biocompatible polyesters based on bile acids.
Key words: polyester, bile acid, thermal behaviour, cristallinity.
13. Ion SAVA
FeS2/polyimide composite films. Synthesis and characterization.
Key words: FeS2/polyimide composite film, thermal stability, dynamic mechanical behaviour.
14. Cristina PRISACARIU and Elena SCORTANU
The thermal behaviour of selected crosslinked polyurethanes as revealed by thermogravimetry and static compression tests.
Key words: isocyanates, polyurethane elastomers, thermogravimetry, static compression tests.
15. Elena SCORTANU and Cristina PRISACARIU
New heterocyclic polymers with vicinal parabanic structures.
Key words: heterocyclization reaction, parabanic structure, thermal stability, transformation degree.
16. Simona MORARIU, Irina-Elena LĂMĂTIC and Maria BERCEA
Rheological behavior of smectite aqueous dispersions.
Key words: bentonite, smectite, viscoelastic properties, clay dispersion.
17. Irina-Elena LĂMĂTIC, Maria BERCEA and Simona MORARIU
Intrinsic viscosity of aqueous polyvinyl alcohol solutions.
Key words: polyvinyl alcohol, viscosity, Mark-Houwink relationship.
18. Constantin I. CHIRIAC, Fulga TANASA and Marioara NECHIFOR
A novel direct boron-mediated synthesis of cinnamic acids from aromatic aldehydes and aliphatic carboxylic acids.
Key words: direct condensation reaction, sodium tetraborate-lithium chloride, cinnamic acids.
19. Emil C. BURUIANĂ, Mirela ZAMFIR and Tinca BURUIANĂ
Evidence for a fluorescence enhancement of some dansyl and stilbene derivatives used as optical
chemosensors.
Key words: stilbene, dansyl, fluorescence, “turn-on” sensors.
20. Tinca BURUIANĂ, Violeta MELINTE, Florentina JITARU and Emil C. BURUIANĂ
Evaluation of some multifunctional monomers for use in dental purposes.
Key words: dimethacrylate, carboxyl, dental formulation, mechanical parameters.
21. Elena HAMCIUC, Corneliu HAMCIUC and Maria CAZACU
Comparative evaluation of some properties of two poly(ether-imide) thin films with/without fluorine in the structure.
Key words: poly(ether-imide)s, thin films, thermal stability, contact angles, water vapors sorption capacity.
22. Radu-Dan RUSU, Mariana-Dana DAMACEANU and Maria BRUMĂ
Comparative study of soluble poly(keto-naphthylimide)s.
Key words: soluble poly(keto-naphthylimide)s, high thermostability, thin films, photoluminiscence.
23. Irina BACOŞCĂ, Elena HAMCIUC, Maria BRUMĂ and Marta SZESZTAY
Modified aromatic polyimides with flexible groups.
Key words: polyimides, good solubility, thin films, thermal stability.
24. Marieta CONSTANTIN and Gheorghe FUNDUEANU
Cyclodextrin-containing poly(vinyl alcohol) as non-viral gene delivery systems. 1. Preparation of polymers.
Key words: cationic polymers, poly(vinyl alcohol), β-cyclodextrin, gene delivery system.
25. Violeta NEAGU and Ion BUNIA
Synthesis and morphologic characterization of ethylacrylate : acrylonitrile : divinylbenzene
copolymers.
Key words: acrylic copolymers, suspension polymerization, porous structure determination, swelling.
26. Sergiu COSERI
Diisocyanates reactivity with diols under pseudo-high dilution condition.
Key words: diisocyanate, diol, reactivity, oligomer, alcohol.
27. Cornel MUNTEANU, Niculae I. IONESCU, Marcel FEDER, Lucian DIAMANDESCU and
Monica CĂLDĂRARU
Catalytic and electrical properties of iron oxide in deep propane oxidation.
Key words: hematite, propane oxidation, electrical conductivity.
28. Mirela ENACHE and Elena VOLANSCHI
The influence of ionic strength on the binding of antitumor drug actinomycin D to double stranded DNA.
Key words: actinomycin D, DNA binding, ionic strength.
29. Ioana STĂNCULESCU and Cezar BENDIC
In silico study of hydroxyl radical reaction with 1,2-dimethyl-1,2,3,4-tetrahydroisoquinolines.
Key words: hydroxyl radical, tetrahydroisoquioline, transition state, AM1, IRC, CHN.
30. Marin MICUTZ, Teodora STAICU, Minodora LECA and Corneliu GHICA
Adsorption complexes of collagenous polypeptide-ionic surfactant in aqueous medium. 1. The formation of micellar structure of ionic surfactant adsorbed onto collagenous polypeptide chain.
Key words: collagen, collagen hydrolyzate, polypeptide, ionic surfactant, adsorption complexes.
31. Dorin ŞULEA and Minodora LECA
Collagen-Thuja tincture biomaterials for wound treatment. 1. Analysis of the volatile fraction from Thuja columnaris tincture by GC/MS.
Key words: volatile compounds of Thuja occidentalis var. columnaria tincture, GC-MS analysis, antimicrobial activity, wound treatment.
32. Mihaela Violeta GHICA, Mădălina Georgiana ALBU, Lăcrămioara POPA, Minodora LECA,
Lavinia BRĂZDARU, Cosmin COTRUŢ and Viorica TRANDAFIR
Drug delivery systems based on collagen-tannic acid matrices.
Key words: collagen, tannic acid, FT-IR spectral characteristics, in vitro release, enzymatic degradation.
33. Ionel POPESCU, Akos REDEY, Ioan-Cezar MARCU, Bogdan POPESCU, Eva MAKO and Ioan SĂNDULESCU
Catalytic combustion of methane over unsupported and γ-Al2O3 supported Sr2FeTaO6 and Sr2Fe0.7Co0.3TaO6 double perovskites.
Key words: double perovskites, methane, catalytic combustion.
34. Maria-Gabriela ALEXANDRU, Ioana JITARU, Polina BOUROSH, Constantin DRĂGHICI, Erwann JEANNEAU, Victor Ch. KRAVTSOV and Yurii A. SIMONOV
Two new hydrogen bonded networks obtained in MCl2·xH2O (M=Mn, Cu)- N,N’-ethylenebisacetamide system.
Key words: N,N’-ethylenebisacetamide, cocrystals, Cu(II), Mn(II), tridimensional frameworks.
35. Alexandru CECAL, Florica IONICĂ, Gheorghe NEMŢOI and Karin POPA
Use of β-rays absorption in the study of steel corrosion.
Key words: β-rays absorption, corrosive solutions, kinetics, steel, 204 Tl-radionuclide.
36. Cătălin LISA, Gabriela LISA and Silvia CURTEANU
Neural networks used for the prediction of the structure-thermal stability relation.
Key words: feedforward neural networks, modular neural networks, thermal stability, polyimides.