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Publikācija: Evaluation of Antiradical Activity and Reducing Capacity of Synthesized Bispyridinium Dibromides Obtained by Quaternisation of 4-Pyridyl-1

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Publikācijas valoda English (en)
Nosaukums oriģinālvalodā Evaluation of Antiradical Activity and Reducing Capacity of Synthesized Bispyridinium Dibromides Obtained by Quaternisation of 4-Pyridyl-1,4-dihydropyridines with Propargyl Bromide
Pētniecības nozare 1. Dabaszinātnes
Pētniecības apakšnozare 1.4. Ķīmija
Autori Martins Rucins
Marina Gosteva
Sergejs Beļakovs
Arkadij Sobolev
Kārlis Pajuste
Māra Plotniece
Brigita Cekavicus
Dace Tirzīte
Aiva Plotniece
Atslēgas vārdi 1,4-DHP, quaternisation, antiradical activity, reducing capacity
Anotācija New bispyridinium dibromides based on the 1,4-dhydropyridine (1,4-DHP) cycle were synthesized in the reaction between 4-pyridyl-1,4-DHP derivatives and propargylbromide. It has been shown that variation of the substituent position on the pyridine as well as changes in the electronic nature of the 1,4-DHP cycle as a result of the substituent nature at the 3 and 5 positions do not affect the course of the reaction and in all cases the corresponding bispyridinium dibromides were formed. The antiradical activity, using 1,1-diphenyl-2-picrylhydrazine as a free radical scavenger, and the reducing capacity using phosphomolybdenum complexes have been evaluated for the newly synthesized compound. It has been shown that all tested 1,4-DHP bispyridinium dibromides possess reducing capacity and antiradical properties.
DOI: 10.1071/CH14033
Hipersaite: http://www.publish.csiro.au/ch/CH14033 
Atsauce Rucins, M., Gosteva, M., Beļakovs, S., Sobolev, A., Pajuste, K., Plotniece, M., Cekavicus, B., Tirzīte, D., Plotniece, A. Evaluation of Antiradical Activity and Reducing Capacity of Synthesized Bispyridinium Dibromides Obtained by Quaternisation of 4-Pyridyl-1,4-dihydropyridines with Propargyl Bromide. Australian Journal of Chemistry, 2015, Vol.68, No.1, 86.-92.lpp. ISSN 0004-9425. e-ISSN 1445-0038. Pieejams: doi:10.1071/CH14033
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ID 19946