No 4-5 Avril-Mai 2016

Tome 61, No 4-5 Avril-Mai 2016

Download summary (PDF)

1. Balazs HARGITTAI and Istvan HARGITTAI

Alexandru T. Balaban’s symmetry: an appreciation

Download Art 1 (PDF)

2. Claude NICOLAU

Alexandru T. Balaban – my Friend of 62 years

Download Art 2 (PDF)

3. Tibor BRAUN, András SCHUBERT and Gábor SCHUBERT

On the molecular structure of the co-author network of Alexandru T. Balaban

Download Art 3 (PDF)

4. Roald HOFFMANN

A lost letter

Download Art 4 (PDF)

5. Professor Alexandru T. Balaban’s 85th anniversary – List of publications

6. Amr A. A. ATTIA, Alexandru LUPAN and R. Bruce KING

Contrasting behavior of the group 15 elements (P, As, Sb, Bi) as heteroatoms in icosahedral cobaltaboranes: effect of phosphorus atom basicity

Download Art 6 (PDF)

Download Art 6 (PDF) – sup

Key words: metallaboranes, cobalt, group 15 heteroatoms, density functional theory, DFT.

7. Elena MAFTEI, Catalin V. MAFTEI, M. Heiko FRANZ, Gerhard KELTER, Heinz-Herbert FIEBIG, Matthias TAMM and Ion NEDA

New members of the Cinchona alkaloid family: synthesis, characterisation and antitumor evaluation of novel gold(I) complexes

Download Art 7 (PDF)

Key words: Cinchona alkaloids, Quinuclidines, gold(I) complex, anti-tumor activity.

8. Slavko RADENKOVIĆ, Ivan GUTMAN, Sanja RUŽIĆ and Snežana ZDRAVKOVIĆ

Strain in strain-free benzenoid hydrocarbons: the case of chrysene and triphenylene

Download Art 8 (PDF)

Key words: energy, benzenoid hydrocarbon, chrysene, triphenylene.

9. Yenni ORTIZ, Debojit BHATACHARYA, Douglas J. KLEIN and Joel F. LIEBMAN

Super-molecules

Download Art 9 (PDF)

Key words: super-molecule, super-structure, nano-structures, nano-technology

10. Luminita SILAGHI-DUMITRESCU, Eugenia HARSAN, Julio ZUKERMAN-SCHPECTOR, Edward R.T. TIEKINK and Ionel HAIDUC

An inorganic helix in the supramolecular structure of trimethyltin diphenylarsinate, [Me3Sn(O2AsPh2)]n: A structural comparison of triorganotin arsinates and phosphinates

Download Art 10 (PDF)

Key words: trimethyltin, organotin, arsinates, phosphinates, supramolecular, inorganic helix.

11. Emilian GEORGESCU, Alina NICOLESCU, Florentina GEORGESCU, Sergiu SHOVA, Bogdan C. Simionescu and Calin DELEANU

Contributions to syntheses of pyrrolo [1,2-a]benzimidazole derivatives via 1,3-dipolar cycloaddition reactions

Download Art 11 (PDF)

Key words: pyrrolo[1,2-a]benzimidazole, ylides, cycloadditions, nitrogen
heterocycles, NMR, X-Ray.

12. Andrei BEJAN, Luminita MARIN, Bogdan CHIRICUTA, Daniela AILINCAI and Bogdan C. SIMIONESCU

A new phenothiazine blue light emitter. Synthesis, structure and photophysical properties

Download Art 12 (PDF)

Key words:  phenothiazine; blue light emitter; oxidation; carboxylic acid.

13. Maria PRODAN, Maria MITU, Domnina RAZUS and Dumitru OANCEA

Spark ignition and propagation properties of methane-air mixtures from early stages of pressure history

Download Art 13 (PDF)

Key words: spark ignition; propagation; methane; normal burning velocity; ignition delay

14. Gianina DOBRESCU and Niculae I. IONESCU

The fractal dimension of oscillations in methanoloxygen system

Download Art 14 (PDF)

Key words: fractal analysis, chemical oscillations.

15. Carmen PARASCHIV, Andrei CUCOS, Sergiu SHOVA and Marius ANDRUH

Two Zn(II) distortion isomers in a single crystal. Synthesis, supramolecular interactions and thermal analysis

Download Art 15 (PDF)

Key words: zinc(II), distortion isomers, isophthalate ligand, tris(hydroxymethyl)aminomethane, hydrogen bonds.

16. Cristina FLOREA, Cristina STAVARACHE and Horia PETRIDE

1-Cyanoformamidines. Formation during the RuO4- mediated oxidation of secondary amines

Download Art 16 (PDF)

Key words: secondary amines, oxidation, ruthenium tetraoxide, formamidines.

17. Mircea V. DIUDEA and Michel PETITJEAN

Chiral multitori as snub derivatives

Download Art 17 (PDF)

Key words: multitorus, chirality, ring signature, topological symmetry, atom equivalence class.

18. Petre T. FRANGOPOL, Aurora MOCANU, Valer ALMASAN, Corina GARBO, Reka BALINT, George BORODI, Ioan BRATU, Ossi HOROVITZ and Maria TOMOAIA-COTISEL

Synthesis and structural characterization of strontium substituted hydroxyapatites

Download Art 18 (PDF)

Key words: strontium substituted hydroxyapatite, XRD, FTIR, Raman spectra, TEM, AFM

19. Aurica P. CHIRIAC, Loredana E. NITA, Liliana TARTAU, Iordana NEAMTU, Nita TUDORACHI and Alina DIACONU

Using an alternating magnetic field for covering a metallic stent with a new magnetic composite

Download Art 19 (PDF)

Key words: magnetic composite deposited on stent, poly(maleic anhydride-co-3, 9-divinyl-2, 4, 8, 10-tetraoxaspiro [5.5] undecane); magnetite encapsulated.

20. Tinca BURUIANA, Marioara NECHIFOR, Violeta MELINTE, Cristina PREJMEREAN and Emil C. BURUIANA

Preparation of poly(acrylic acid-co-itaconic acidco-N-acryloyl-L-alanine) grafted with methacrylate groups for use in dentistry

Download Art 20 (PDF)

Key words: alanine/leucine acrylates, photopolymerizable polyalkenoates, dental material properties, morphology.

21. Marioara NECHIFOR, Viorica E. PODAŞCĂ and Emil C. BURUIANĂ

Synthesis and fluorescence properties of some tryptophan-containing polyacrylates

Download Art 21 (PDF)

Key words: tryptophan, fluorescence quenching, polyacrylates, copolymerization.

22. Mădălina ZĂNOAGĂ and Fulga TANASĂ

Critical assessment of the thermal and thermooxidative behaviour of some polypropylene-clay composites

Download Art 22 (PDF)

Key words: polymer-clay nanocomposites, thermal stability, thermal and thermo-oxidative degradation, exfoliation/intercalation.

23. Oana URSACHE, Constantin GĂINĂ, Viorica GĂINĂ and Cristian Dragos VARGANICI

Thermal properties of thermoresponsive networks based on polyurethanes

Download Art 23 (PDF)

Key words: thermoreversible, bismaleimides, thermal properties.

24. Ana-Maria-Corina DUMITRIU, Alexandra BARGAN, Mihaela BALAN, Cristian-Dragos VARGANICI, Sergiu SHOVA and Maria CAZACU

Synthesis and characterization of octakis(3-chloroammoniumpropyl) octasilsesquioxane

Download Art 24 (PDF)

Key words: cubic polyhedral silsesquioxanes; nanosized structures; synthesis; structural characterization; functionalized silica cage.

25. Loredana VACAREANU and Mircea GRIGORAS

Spectroelectrochemical properties of linear and star-shaped triphenylamine oligovinylenes

Download Art 25 (PDF)

Key words: oligoarylenevinylenes, linear and star-shaped oligomers, triphenylamine group, electrochemical polymerization, electrochromic properties.

26. Magdalena AFLORI

Embedding silver nanoparticles at PHB surfaces by means of combined plasma and chemical treatments

Download Art 26 (PDF)

Key words: polyhydroxybutyrate, helium plasma, silver nitrate, antimicrobial.

27. Luiza Madalina GRADINARU, Constantin CIOBANU, Stelian VLAD and Maria BERCEA

Rheological investigation of thermoreversible polyurethane hydrogels

Download Art 27 (PDF)

Key words: polyurethane, thermoreversible hydrogel, viscoelastic properties, elastic recovery.

28. Ion SAVA, Gabriela LISA, Elena SAVA and Nicolae HURDUC

Synthesis and characterization of some azocopolyimides

Download Art 28 (PDF)

Key words: two side azobenzene units, azo-copolyimides, photochromic behavior.

29 Claudia COBZARU, Adriana MARINOIU, Gabriela Antoaneta APOSTOLESCU, Ramona Elena TATARU-FARMUS, Nicolae APOSTOLESCU and Corina CERNATESCU

Behaviour of pretreated clinoptilolite volcanic tuff used in ion exchange process with Ca2+, Ni2+ and NH4 + ions described by a numerical study

Download Art 29 (PDF)

Key words: clinoptilolite, ion exchange process, pre-treatment procedure.

30. Adriana MARINOIU, Claudia COBZARU, Elena CARCADEA, Mircea RACEANU, Irina ATKINSON, Mihai VARLAM and Ioan STEFANESCU

An experimental approach for finding low cost alternative support material in PEM fuel cells

Download Art 30 (PDF)

Key words: fuel cells, graphene nanocomposites, chemical oxidation.

31. Gheorghiţă ZBANCIOC, Costel MOLDOVEANU, Ana Maria ZBANCIOC, Ionel HUMELNICU and Ionel I. MANGALAGIU

New insights concerning microwave mechanism in cycloaddition reactions: thermal heating versus specific effects of microwave

Download Art 31 (PDF)

Key words: microwave mechanism, thermal versus specifically microwave effects, Huisgen [3+2] dipolar cycloadditions, nitrogen liquid cooling, pyridazinium ylides.

32. Mihai MEDELEANU, Tudor OLARIU, Doina GEORGESCU, Eugen ȘIȘU, Maria MRACEC and Mircea MRACEC

Conformational analysis and formation enthalpy of (3R,5S,6R)-6-acetylamidopenicillanic acid calculated by the PM3, PM6 and PM7 semiempirical MO methods

Download Art 32 (PDF)

Download Art 32 (PDF) – sup

Key words: (3R,5S,6R)-6-acetylamidopenicillanic acid, conformational analysis, formation enthalpy, semiempirical MO methods: PM3, PM6, PM7.

%d bloggers like this: