No 2 / 2021
Academician Alexandru T. BALABAN at his 90th anniversary
1. Anca HIRTOPEANU, Cristina FLOREA and Michaela Dina STANESCU
Stereochemistry – key role in the rearrangements of dibenzo-C8 and -C9 derivatives
DOI: 10.33224/rrch.2021.66.2.01
Rev. Roum. Chim., 2021, 66(2), 105-117
Key words: dibenzoC8 compounds, dibenzoC9 compounds, solvolyses, pyrolyses, phenonium route, π route.
2. Ivan GUTMAN
On degree- and -distance-based topological indices
DOI: 10.33224/rrch.2021.66.2.02
Rev. Roum. Chim., 2021, 66(2), 119-123 degree distance Gutman index
Key words: Topological index, molecular graph, degree distance, Wiener index, Gutman index
3. Nicholas BODOR and Erik BODOR
The first 40 years of soft anticholinergic agents
DOI: 10.33224/rrch.2021.66.2.03
Rev. Roum. Chim., 2021, 66(2), 125-133
Key words: retrometabolic design, soft drugs, acetylcholine, anticholinergics, corticosteroids.
4. Mircea D. GHEORGHIU, Carlos A. VALDEZ and Ana RACOVEANU
1H NMR and conformational analysis of diastereotopic methylene protons in achiral flexible molecules
DOI: 10.33224/rrch.2021.66.2.04
Rev. Roum. Chim., 2021, 66(2), 135-148
Key words: achiral flexible molecules, conformational analysis, NMR, diastereotopic protons.
5. Ion NEDA, Ionel BALCU and Corina MACARIE
Ethoxy-tethered calix[4]arenes containing P(III) substituents and trimethylsiloxy groups as building blocks in supramolecular chemistry; cis/trans intra- and intermolecular complexation of dichloroplatinum(II) fragments
DOI: 10.33224/rrch.2021.66.2.05
Rev. Roum. Chim., 2021, 66(2), 149-160
Key words: calyx[4]arenes, supramolecular chemistry, phosphorus(III)-dichloroplatinum(II) complexes.
6. Adina Magdalena MUSUC and Dumitru OANCEA
The structure-activity relationships from DSC data
DOI: 10.33224/rrch.2021.66.2.06
Rev. Roum. Chim., 2021, 66(2), 161-166
Key words: differential scanning calorimetry, structure-property relationship, enthalpy of melting, entropy of melting, decomposition temperature.
7. Levente KISS, Sergiu SHOVA, Mihaela VLASSA, Anca SILVESTRU, Ciprian I. RAŢ and Cristian SILVESTRU
{2,6-Bis[(dimethylamino)methyl]phenyl}mercury(II) acetate,[2,6-(Me2NCH2)C6H3]Hg(OAc) – a usefulintermediate for selective palladation of1,3-(Me2NCH2)2C6H4
DOI: 10.33224/rrch.2021.66.2.07
Rev. Roum. Chim., 2021, 66(2), 167-177
Key words: direct mercuration, N,C,N-pincer ligand, organomercury(II), organopalladium(II), solution NMR spectroscopy, single-crystal X-ray diffraction.
8. Emerich BARTHA, Carmen-Irena MITAN, Constantin DRAGHICI, Miron T. CAPROIU, Petru FILIP, Laszlo TARKO and Robert MORIARTY
Program for prediction dihedral angle from vicinal coupling constant with3-sphere approach
DOI: 10.33224/rrch.2021.66.2.08
Rev. Roum. Chim., 2021, 66(2), 178-183
Key words: 3-sphere, dihedral angle, vicinal constant coupling, hypersphere trigonometric equation.
9. Robert ŢINCU, Cristina TODAŞCĂ, Victoria ARTEM and Adrian-Ionuţ NICOARĂ
Dye removal from wastewaters using grape seed residues
DOI: 10.33224/rrch.2021.66.2.09
Rev. Roum. Chim., 2021, 65(2), 185-192
Key words: grapeseed, natural adsorbent, dye removal.
10. Ion SAVA, Iuliana STOICA, Ilarion MIHAILA and Ionut TOPALA
Investigation of surface relief gratings on azo-copolyimide films using atomic force microscopy
DOI: 10.33224/rrch.2021.66.2.10
Rev. Roum. Chim., 2021, 66(2), 193-198
Key words: atomic force microscopy, structuring, surface relief gratings, azo-copolyimide films.
12. Iuliana STOICA and Elena Gabriela HITRUC
Effect of scanning speed on AFM height images and 3D surface texture parameters explored on smooth and rough polymer surfaces
DOI: 10.33224/rrch.2021.66.2.11
Rev. Roum. Chim., 2021, 66(2), 199-204
Key words: polymer surface, morphology, atomic force microscopy, scanning speed, texture parameters.
12. Petre IONITA
Synthesis and characterization of a new hydrazyl free radical, a formyl-derivative of DPPH
DOI: 10.33224/rrch.2021.66.2.12
Rev. Roum. Chim., 2021, 66(2), 205-209
Key words: hydrazyl, free radical, organic synthesis.
