Adriana-Luminiţa Fînaru

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A new group of serotoninergic 5-HT(1A) or 5-HT(7) receptor ligands was identified. These compounds were designed and synthesized on a benzimidazolone scaffold and they enrich the well-known arylpiperazine class of 5-HT ligands. Diverse pharmacomodulations induced a shift in the affinity and selectivity profile with final identification of new potent hits.
This paper presents the comparison between 12 hydrophilic interaction liquid chromatography columns that are commercially available. The main factors influencing the retention and selectivity toward 12 neurotransmitters for these different HILIC systems have been studied. For additional information, the retention data have been analyzed statistically by(More)
Two commercial stationary phases possessing a sulfobetaine zwitterionic bonded ligand (ZIC-HILIC and Nucleodur HILIC) were compared under hydrophilic interaction chromatographic (HILIC) conditions. First of all, the separation of 12 model compounds chosen among neurotransmitters and presenting a diversity of ionization states (anionic, cationic and(More)
We report the synthesis of 46 tertiary amine-bearing N-alkylated benzo[d]imidazol-2(3H)-ones, imidazo[4,5-b]pyridin-2(3H)-ones, imidazo[4,5-c]pyridin-2(3H)-ones, benzo[d]oxazol-2(3H)-ones, oxazolo[4,5-b]pyridin-2(3H)-ones and N,N'-dialkylated benzo[d]imidazol-2(3H)-ones. These compounds were evaluated against 5-HT7R, 5-HT2AR, 5-HT1AR, and 5-HT6R as potent(More)
Structure-activity relationships of a series of bis-arylic compounds, investigated as 5-HT(7)R ligands, are reported. The main structural modifications involved a central aryl moiety (phenyl, pyridine, diazine, triazine) and the nature and position of an amine-containing aliphatic chain. The affinity of the synthesized compounds (26 nM-10 microM) was(More)
The synthesis of new 4,6-disubstituted dihydrodipyridopyrazines starting from corresponding carboxaldehydes via lithiation directed by alpha-amino alkoxides is described. The N,N,N'-trimethylethylenediamine was used as amine component for in situ formation of the alpha-amino alkoxides. After optimization, this reaction allowed easy access to new interesting(More)
This paper evaluates the performances of reversed-phase (RPLC) and ion-pairing chromatography (IPLC) coupled with UV detection for the analysis of a set of 12 catecholamines and related compounds. Different chromatographic columns (porous C18-silica, perfluorinated C18-silica, porous graphitic carbon, monolithic and fused-core silica-based C18 columns) were(More)
A novel methodology for the synthesis of isomer A of dihydrodipyridopyrazines was developed. The key transformation features a Smiles rearrangement of nitro substituted N,N'-dipyridinylamines, potential precursors of isomer B obtained by the alkylation of compounds prepared by a Pd-catalyzed reaction and subsequent cyclization.
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