Examination of growth inhibitory properties of synthetic chalcones for which antibacterial activity was predicted

D Batovska, S Parushev, B Stamboliyska… - European journal of …, 2009 - Elsevier
… distributed pathogens in humans – S. aureus and E. coli. … with S. aureus and E. coli grown
on meat-peptone agar [7]. … the growth of the Gram-positive bacterium S. aureus. Four of the …

Synthesis of some new quinoline derivatives-potential antimalarial drugs

R Vlahov, S Parushev, J Vlahov, P Nickel… - Pure and applied …, 1990 - degruyter.com
Parushev, J. Vlahov … After heating of this mixture with 2,5-dichloroaniline in the
presence of nitrobenzene, the desired 5,8-dichloro-2,4-dimethylquinoline (S) was obtained …

Preliminary study on biomarkers for the fungal resistance in Vitis vinifera leaves

…, IT Todorova, DV Nedelcheva, SP Parushev… - Journal of plant …, 2008 - Elsevier
We examined the leaf chemical composition of six seedlings obtained by self-pollination of
the Bulgarian wine-making variety Storgozia as well as the cultivar Bouquet, which is the …

Biomarkers for the prediction of the resistance and susceptibility of grapevine leaves to downy mildew

DI Batovska, IT Todorova, SP Parushev… - Journal of plant …, 2009 - Elsevier
We examined metabolic profiles of acetone and butanol extracts obtained from the leaves of
18 seedlings of the Bulgarian wine-making cultivar Storgozia. The acetone extracts …

Synthesis of galanthamine and related alkaloids-new approaches. I.

…, G Spassov, M Chinova, I Vlahov, S Parushev… - Tetrahedron, 1989 - Elsevier
Modifications of protecting groups and of the oxidative coupling conditions lead to pure
crystalline intermediates in the synthesis of galanthamine derivatives and gave dienone A in …

Seasonal variations in the chemical composition of vine-grape leaf surface

…, IT Todorova, VS Bankova, SP Parushev… - Natural product …, 2008 - Taylor & Francis
Surface leaf metabolites of two seedlings of a Bulgarian winemaking cultivar Storgozia I 1
were analyzed in two seasons – summer (July) and autumn (October). The resistance towards …

Evaluation of the radical scavenging activity of a series of synthetic hydroxychalcones towards the DPPH radical

…, BA Stamboliyska, SP Parushev - Journal of the Serbian …, 2011 - doiserbia.nb.rs
Sixteen hydroxychalcones were synthesized in sufficient purity by the Claisen-Schmidt
condensation between appropriate acetophenones and aryl aldehydes. All the compounds were …

New achievements in the field of intramolecular phenolic coupling reactions, using hypervalent (III) iodine reagent: Synthesis of galanthamine

D Krikorian, V Tarpanov, S Parushev… - Synthetic …, 2000 - Taylor & Francis
Our investigations on the oxidative possibilities of the hypervalent iodine(III) reagent established
that phenyliodine(III)bis(trifluoroacclate) (PIFA) can provide one-pot contiguous coupling…

MDR-reversal activity of chalcones

A Ivanova, D Batovska, H Engi, S Parushev… - in vivo, 2008 - iv.iiarjournals.org
… a density of 2×106/mL, resuspended in serum-free McCoy’s 5A medium and distributed
in 0.5 mL aliquots into Eppendorf centrifuge tubes. The tested compounds were added at …

Surface metabolic composition of berries collected from 13 Bulgarian grapevine plants

IT Todorova, DI Batovska, SP Parushev… - Natural Product …, 2010 - Taylor & Francis
The surface metabolic composition of berries, collected from the Bulgarian grapevine variety
Storgozia, and 12 of its seedlings were studied by GC/MS. Diverse surface metabolites …