No 2 / 2021

Download summary (PDF)

Academician Alexandru T. BALABAN at his 90th anniversary

Download Art (PDF)

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.

Download Art 1 (PDF)

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

Download Art 2 (PDF)

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.

Download Art 3 (PDF)

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.

Download Art 4 (PDF)

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.

Download Art 5 (PDF)

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.

Download Art 6 (PDF)

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.

Download Art 7 (PDF)

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.

Download Art 8 (PDF)

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.

Download Art 9 (PDF)

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.

Download Art 10 (PDF)

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.

Download Art 11 (PDF)

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.

Download Art 12 (PDF)