Zobrazeno 1 - 6
of 6
pro vyhledávání: '"NATASA V. VALENTIC"'
Autor:
BRATISLAV Z. JOVANOVIC, GORDANA G. USCUMLIC, DUSAN Z. MIJIN, NATASA V. VALENTIC, ALEKSANDAR D. MARINKOVIC
Publikováno v:
Journal of the Serbian Chemical Society, Vol 73, Iss 5, Pp 513-524 (2008)
The 13C- and 1H-NMR chemical shifts of thirteen N(1)-(4-substituted phenyl)-3-cyano-4,6-dimethyl-2-pyridones were measured in deuterated dimethyl sulfoxide (DMSO-d6). The correlation analysis for the substituent-induced chemical shifts (SCS) with sig
Externí odkaz:
https://doaj.org/article/84a80117b1e34ceea21078a442b35a55
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 7, Pp 525-534 (2003)
The principle of linear free energy relationships was applied to the 1H chemical shifts of the b-vinyl proton atoms of 3-methylene-2-substituted-1,4-pentadienes. The correlations of the proton chemical shifts with Swain and Lupton substituent paramet
Externí odkaz:
https://doaj.org/article/359ba98a2ed649a093469b8879169629
Autor:
IVAN O. JURANIC, ARMIN DE MEIJERE, GORDANA S. USCUMLIC, SERGEI I. KOZHUSHKOV, ZELJKO VITNIK, NATASA V. VALENTIC
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 2, Pp 67-76 (2003)
The principles of linear free energy relationships were applied to the 13C substituent chemical shifts (SCS) of the carbon atoms in the unsaturated chain of 3-methylene-4-substituted-1,4-pentadienes. Correlations of the SCS with the substituent param
Externí odkaz:
https://doaj.org/article/a30bd8edaad74bfcac41dc3f37a709d8
Publikováno v:
Journal of the Serbian Chemical Society, Vol 66, Iss 8, Pp 507-516 (2001)
A number of 5-substituted-4-methyl-3-cyano-6-hydroxy-2-pyridones from cyanoacetamide and the corresponding alkyl ethyl acetoacetates were synthesized according to modified literature procedures. The alkyl ethyl acetoacetates were obtained by the reac
Externí odkaz:
https://doaj.org/article/16f21a12eb2b4d978157a75e9c21abf3
Autor:
NINA TODOROVIĆ, GORDANA S. UŠĆUMLIĆ, NATAŠA V. VALENTIĆ, DUŠAN Ž. MIJIN, ALEKSANDAR D. MARINKOVIĆ, ADEL S. ALIMMARI
Publikováno v:
Journal of the Serbian Chemical Society, Vol 75, Iss 8, Pp 1019-1032 (2010)
A series of some new pyridone arylazo dyes was synthesized from the corresponding diazonium salts and 3-cyano-4,6-diphenyl-2-pyridone using the classical reaction for the synthesis of the azo compounds. The structures of these dyes were confirmed by
Externí odkaz:
https://doaj.org/article/85975fdcecc642feb8f37a58e62e9c40
Publikováno v:
Journal of the Serbian Chemical Society, Vol 74, Iss 11, Pp 1195-1205 (2009)
Several 5-methyl-5-(3- or 4-substituted phenyl)hydantoins were prepared and their ultraviolet absorption spectra were recorded in the region 200–400 nm in twelve solvents of different polarity. The effect of solvent dipo¬larity/polarizability and
Externí odkaz:
https://doaj.org/article/869fa74625cd491dbc819062e4aa5f85